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Monitoring Total Particulate Matter

We measure the total particulate mass concentration in the air on a routine basis as well as during incidents that may affect ambient air.

Raw 24-Hour Averages Data for Los Alamos Medical Center

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24-hour averages provide an indication of the current air concentrations.

They can be compared to the EPA standards of 35 µg/m3 (PM 2.5) and 150 µg/m3 (PM 10)
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5.0029 µg/m3 on Saturday, April 18, 2026 1:00 AM 4.9374 µg/m3 on Saturday, April 18, 2026 1:30 AM 4.916 µg/m3 on Saturday, April 18, 2026 2:00 AM 4.9032 µg/m3 on Saturday, April 18, 2026 2:30 AM 5.0155 µg/m3 on Saturday, April 18, 2026 3:00 AM 4.8416 µg/m3 on Saturday, April 18, 2026 3:30 AM 4.966 µg/m3 on Saturday, April 18, 2026 4:00 AM 4.8936 µg/m3 on Saturday, April 18, 2026 4:30 AM 4.8871 µg/m3 on Saturday, April 18, 2026 5:00 AM 4.9441 µg/m3 on Saturday, April 18, 2026 5:30 AM 4.81 µg/m3 on Saturday, April 18, 2026 6:00 AM 4.8204 µg/m3 on Saturday, April 18, 2026 6:30 AM 4.8398 µg/m3 on Saturday, April 18, 2026 7:00 AM 4.6382 µg/m3 on Saturday, April 18, 2026 7:30 AM 4.6971 µg/m3 on Saturday, April 18, 2026 8:00 AM 4.5417 µg/m3 on Saturday, April 18, 2026 8:30 AM 4.5862 µg/m3 on Saturday, April 18, 2026 9:00 AM 4.5718 µg/m3 on Saturday, April 18, 2026 9:30 AM 4.6532 µg/m3 on Saturday, April 18, 2026 10:00 AM 4.6284 µg/m3 on Saturday, April 18, 2026 10:30 AM 4.626 µg/m3 on Saturday, April 18, 2026 11:00 AM 4.6692 µg/m3 on Saturday, April 18, 2026 11:30 AM 4.4787 µg/m3 on Saturday, April 18, 2026 12:00 PM 4.444 µg/m3 on Saturday, April 18, 2026 12:30 PM 4.2544 µg/m3 on Saturday, April 18, 2026 1:00 PM 4.1621 µg/m3 on Saturday, April 18, 2026 1:30 PM 4.068 µg/m3 on Saturday, April 18, 2026 2:00 PM 4.0537 µg/m3 on Saturday, April 18, 2026 2:30 PM 3.8289 µg/m3 on Saturday, April 18, 2026 3:00 PM 3.7727 µg/m3 on Saturday, April 18, 2026 3:30 PM 3.4613 µg/m3 on Saturday, April 18, 2026 4:00 PM 3.3354 µg/m3 on Saturday, April 18, 2026 4:30 PM 3.0363 µg/m3 on Saturday, April 18, 2026 5:00 PM 2.8719 µg/m3 on Saturday, April 18, 2026 5:30 PM 2.6183 µg/m3 on Saturday, April 18, 2026 6:00 PM 2.5554 µg/m3 on Saturday, April 18, 2026 6:30 PM 2.5044 µg/m3 on Saturday, April 18, 2026 7:00 PM 2.4689 µg/m3 on Saturday, April 18, 2026 7:30 PM 2.4976 µg/m3 on Saturday, April 18, 2026 8:00 PM 2.5731 µg/m3 on Saturday, April 18, 2026 8:30 PM 2.6967 µg/m3 on Saturday, April 18, 2026 9:00 PM 2.6685 µg/m3 on Saturday, April 18, 2026 9:30 PM 2.9617 µg/m3 on Saturday, April 18, 2026 10:00 PM 3.0403 µg/m3 on Saturday, April 18, 2026 10:30 PM 3.16 µg/m3 on Saturday, April 18, 2026 11:00 PM 3.1362 µg/m3 on Saturday, April 18, 2026 11:30 PM 3.3005 µg/m3 on Sunday, April 19, 2026 12:00 AM 3.4957 µg/m3 on Sunday, April 19, 2026 12:30 AM 3.4828 µg/m3 on Sunday, April 19, 2026 1:00 AM 3.5515 µg/m3 on Sunday, April 19, 2026 1:30 AM 3.4792 µg/m3 on Sunday, April 19, 2026 2:00 AM 3.5569 µg/m3 on Sunday, April 19, 2026 2:30 AM 3.5467 µg/m3 on Sunday, April 19, 2026 3:00 AM 3.5395 µg/m3 on Sunday, April 19, 2026 3:30 AM 3.5007 µg/m3 on Sunday, April 19, 2026 4:00 AM 3.5603 µg/m3 on Sunday, April 19, 2026 4:30 AM 3.5034 µg/m3 on Sunday, April 19, 2026 5:00 AM 3.5548 µg/m3 on Sunday, April 19, 2026 5:30 AM 3.595 µg/m3 on Sunday, April 19, 2026 6:00 AM 3.713 µg/m3 on Sunday, April 19, 2026 6:30 AM 3.7538 µg/m3 on Sunday, April 19, 2026 7:00 AM 3.8396 µg/m3 on Sunday, April 19, 2026 7:30 AM 3.8161 µg/m3 on Sunday, April 19, 2026 8:00 AM 3.8316 µg/m3 on Sunday, April 19, 2026 8:30 AM 3.7159 µg/m3 on Sunday, April 19, 2026 9:00 AM 3.5976 µg/m3 on Sunday, April 19, 2026 9:30 AM 3.6876 µg/m3 on Sunday, April 19, 2026 10:00 AM 3.7206 µg/m3 on Sunday, April 19, 2026 10:30 AM 3.7581 µg/m3 on Sunday, April 19, 2026 11:00 AM 3.8086 µg/m3 on Sunday, April 19, 2026 11:30 AM 4.0229 µg/m3 on Sunday, April 19, 2026 12:00 PM 4.0049 µg/m3 on Sunday, April 19, 2026 12:30 PM 4.1771 µg/m3 on Sunday, April 19, 2026 1:00 PM 4.2505 µg/m3 on Sunday, April 19, 2026 1:30 PM 4.4429 µg/m3 on Sunday, April 19, 2026 2:00 PM 4.5325 µg/m3 on Sunday, April 19, 2026 2:30 PM 4.8082 µg/m3 on Sunday, April 19, 2026 3:00 PM 4.8052 µg/m3 on Sunday, April 19, 2026 3:30 PM 5.1453 µg/m3 on Sunday, April 19, 2026 4:00 PM 5.2621 µg/m3 on Sunday, April 19, 2026 4:30 PM 5.5007 µg/m3 on Sunday, April 19, 2026 5:00 PM 5.6554 µg/m3 on Sunday, April 19, 2026 5:30 PM 5.7552 µg/m3 on Sunday, April 19, 2026 6:00 PM 5.8853 µg/m3 on Sunday, April 19, 2026 6:30 PM 5.9659 µg/m3 on Sunday, April 19, 2026 7:00 PM 5.9914 µg/m3 on Sunday, April 19, 2026 7:30 PM 6.0491 µg/m3 on Sunday, April 19, 2026 8:00 PM 6.0896 µg/m3 on Sunday, April 19, 2026 8:30 PM 6.1302 µg/m3 on Sunday, April 19, 2026 9:00 PM 6.1871 µg/m3 on Sunday, April 19, 2026 9:30 PM 6.1518 µg/m3 on Sunday, April 19, 2026 10:00 PM 6.1891 µg/m3 on Sunday, April 19, 2026 10:30 PM 6.2322 µg/m3 on Sunday, April 19, 2026 11:00 PM 6.0311 µg/m3 on Sunday, April 19, 2026 11:30 PM 6.0434 µg/m3 on Monday, April 20, 2026 12:00 AM 6.0857 µg/m3 on Monday, April 20, 2026 12:30 AM 6.1464 µg/m3 on Monday, April 20, 2026 1:00 AM 6.245 µg/m3 on Monday, April 20, 2026 1:30 AM 6.2611 µg/m3 on Monday, April 20, 2026 2:00 AM 6.2748 µg/m3 on Monday, April 20, 2026 2:30 AM 6.5022 µg/m3 on Monday, April 20, 2026 3:00 AM 6.5021 µg/m3 on Monday, April 20, 2026 3:30 AM 6.6771 µg/m3 on Monday, April 20, 2026 4:00 AM 6.7455 µg/m3 on Monday, April 20, 2026 4:30 AM 6.7846 µg/m3 on Monday, April 20, 2026 5:00 AM 6.8719 µg/m3 on Monday, April 20, 2026 5:30 AM 6.8619 µg/m3 on Monday, April 20, 2026 6:00 AM 6.9403 µg/m3 on Monday, April 20, 2026 6:30 AM 6.9837 µg/m3 on Monday, April 20, 2026 7:00 AM 7.0543 µg/m3 on Monday, April 20, 2026 7:30 AM 7.1284 µg/m3 on Monday, April 20, 2026 8:00 AM 7.2592 µg/m3 on Monday, April 20, 2026 8:30 AM 7.3131 µg/m3 on Monday, April 20, 2026 9:00 AM 7.3415 µg/m3 on Monday, April 20, 2026 9:30 AM 7.5812 µg/m3 on Monday, April 20, 2026 10:00 AM 7.6156 µg/m3 on Monday, April 20, 2026 10:30 AM 7.73 µg/m3 on Monday, April 20, 2026 11:00 AM 7.6933 µg/m3 on Monday, April 20, 2026 11:30 AM 7.6251 µg/m3 on Monday, April 20, 2026 12:00 PM 7.6109 µg/m3 on Monday, April 20, 2026 12:30 PM 7.5692 µg/m3 on Monday, April 20, 2026 1:00 PM 7.5676 µg/m3 on Monday, April 20, 2026 1:30 PM 7.6792 µg/m3 on Monday, April 20, 2026 2:00 PM 7.5997 µg/m3 on Monday, April 20, 2026 2:30 PM 7.5683 µg/m3 on Monday, April 20, 2026 3:00 PM 7.5468 µg/m3 on Monday, April 20, 2026 3:30 PM 7.3927 µg/m3 on Monday, April 20, 2026 4:00 PM 7.4233 µg/m3 on Monday, April 20, 2026 4:30 PM 7.4779 µg/m3 on Monday, April 20, 2026 5:00 PM 7.3706 µg/m3 on Monday, April 20, 2026 5:30 PM 7.51 µg/m3 on Monday, April 20, 2026 6:00 PM 7.4153 µg/m3 on Monday, April 20, 2026 6:30 PM 7.4223 µg/m3 on Monday, April 20, 2026 7:00 PM 7.4786 µg/m3 on Monday, April 20, 2026 7:30 PM 7.5525 µg/m3 on Monday, April 20, 2026 8:00 PM 7.4439 µg/m3 on Monday, April 20, 2026 8:30 PM 7.5582 µg/m3 on Monday, April 20, 2026 9:00 PM 7.4628 µg/m3 on Monday, April 20, 2026 9:30 PM 7.4725 µg/m3 on Monday, April 20, 2026 10:00 PM 7.463 µg/m3 on Monday, April 20, 2026 10:30 PM 7.5434 µg/m3 on Monday, April 20, 2026 11:00 PM 7.7007 µg/m3 on Monday, April 20, 2026 11:30 PM 7.536 µg/m3 on Tuesday, April 21, 2026 12:00 AM 7.8607 µg/m3 on Tuesday, April 21, 2026 12:30 AM 7.938 µg/m3 on Tuesday, April 21, 2026 1:00 AM 8.1307 µg/m3 on Tuesday, April 21, 2026 1:30 AM 8.1679 µg/m3 on Tuesday, April 21, 2026 2:00 AM 8.214 µg/m3 on Tuesday, April 21, 2026 2:30 AM 8.1095 µg/m3 on Tuesday, April 21, 2026 3:00 AM 8.1423 µg/m3 on Tuesday, April 21, 2026 3:30 AM 8.0938 µg/m3 on Tuesday, April 21, 2026 4:00 AM 8.1568 µg/m3 on Tuesday, April 21, 2026 4:30 AM 8.0899 µg/m3 on Tuesday, April 21, 2026 5:00 AM 8.0652 µg/m3 on Tuesday, April 21, 2026 5:30 AM 8.0817 µg/m3 on Tuesday, April 21, 2026 6:00 AM 8.1458 µg/m3 on Tuesday, April 21, 2026 6:30 AM 8.1973 µg/m3 on Tuesday, April 21, 2026 7:00 AM 8.2606 µg/m3 on Tuesday, April 21, 2026 7:30 AM 8.3573 µg/m3 on Tuesday, April 21, 2026 8:00 AM 8.4152 µg/m3 on Tuesday, April 21, 2026 8:30 AM 8.5392 µg/m3 on Tuesday, April 21, 2026 9:00 AM 8.3154 µg/m3 on Tuesday, April 21, 2026 9:30 AM 8.5584 µg/m3 on Tuesday, April 21, 2026 10:00 AM 8.378 µg/m3 on Tuesday, April 21, 2026 10:30 AM 8.4908 µg/m3 on Tuesday, April 21, 2026 11:00 AM 8.7573 µg/m3 on Tuesday, April 21, 2026 11:30 AM 8.4024 µg/m3 on Tuesday, April 21, 2026 12:00 PM 8.362 µg/m3 on Tuesday, April 21, 2026 12:30 PM 8.5487 µg/m3 on Tuesday, April 21, 2026 1:00 PM 8.6737 µg/m3 on Tuesday, April 21, 2026 1:30 PM 8.5562 µg/m3 on Tuesday, April 21, 2026 2:00 PM 8.7892 µg/m3 on Tuesday, April 21, 2026 2:30 PM 8.7725 µg/m3 on Tuesday, April 21, 2026 3:00 PM 8.4897 µg/m3 on Tuesday, April 21, 2026 3:30 PM 8.8504 µg/m3 on Tuesday, April 21, 2026 4:00 PM 8.8603 µg/m3 on Tuesday, April 21, 2026 4:30 PM 8.6641 µg/m3 on Tuesday, April 21, 2026 5:00 PM 8.6071 µg/m3 on Tuesday, April 21, 2026 5:30 PM 8.4476 µg/m3 on Tuesday, April 21, 2026 6:00 PM 8.5364 µg/m3 on Tuesday, April 21, 2026 6:30 PM 8.4667 µg/m3 on Tuesday, April 21, 2026 7:00 PM 8.4902 µg/m3 on Tuesday, April 21, 2026 7:30 PM 1.6864 µg/m3 on Saturday, April 18, 2026 1:00 AM 1.7646 µg/m3 on Saturday, April 18, 2026 1:30 AM 1.7892 µg/m3 on Saturday, April 18, 2026 2:00 AM 1.803 µg/m3 on Saturday, April 18, 2026 2:30 AM 1.9107 µg/m3 on Saturday, April 18, 2026 3:00 AM 1.8075 µg/m3 on Saturday, April 18, 2026 3:30 AM 1.8838 µg/m3 on Saturday, April 18, 2026 4:00 AM 1.8777 µg/m3 on Saturday, April 18, 2026 4:30 AM 1.8833 µg/m3 on Saturday, April 18, 2026 5:00 AM 1.9569 µg/m3 on Saturday, April 18, 2026 5:30 AM 1.9177 µg/m3 on Saturday, April 18, 2026 6:00 AM 1.9393 µg/m3 on Saturday, April 18, 2026 6:30 AM 1.9861 µg/m3 on Saturday, April 18, 2026 7:00 AM 1.9009 µg/m3 on Saturday, April 18, 2026 7:30 AM 1.9945 µg/m3 on Saturday, April 18, 2026 8:00 AM 1.8772 µg/m3 on Saturday, April 18, 2026 8:30 AM 1.982 µg/m3 on Saturday, April 18, 2026 9:00 AM 1.9687 µg/m3 on Saturday, April 18, 2026 9:30 AM 2.039 µg/m3 on Saturday, April 18, 2026 10:00 AM 2.0693 µg/m3 on Saturday, April 18, 2026 10:30 AM 2.0294 µg/m3 on Saturday, April 18, 2026 11:00 AM 2.0586 µg/m3 on Saturday, April 18, 2026 11:30 AM 1.975 µg/m3 on Saturday, April 18, 2026 12:00 PM 1.9852 µg/m3 on Saturday, April 18, 2026 12:30 PM 1.9087 µg/m3 on Saturday, April 18, 2026 1:00 PM 1.8748 µg/m3 on Saturday, April 18, 2026 1:30 PM 1.826 µg/m3 on Saturday, April 18, 2026 2:00 PM 1.8615 µg/m3 on Saturday, April 18, 2026 2:30 PM 1.7273 µg/m3 on Saturday, April 18, 2026 3:00 PM 1.7169 µg/m3 on Saturday, April 18, 2026 3:30 PM 1.5819 µg/m3 on Saturday, April 18, 2026 4:00 PM 1.5496 µg/m3 on Saturday, April 18, 2026 4:30 PM 1.4823 µg/m3 on Saturday, April 18, 2026 5:00 PM 1.4412 µg/m3 on Saturday, April 18, 2026 5:30 PM 1.3547 µg/m3 on Saturday, April 18, 2026 6:00 PM 1.3553 µg/m3 on Saturday, April 18, 2026 6:30 PM 1.3527 µg/m3 on Saturday, April 18, 2026 7:00 PM 1.3409 µg/m3 on Saturday, April 18, 2026 7:30 PM 1.3496 µg/m3 on Saturday, April 18, 2026 8:00 PM 1.4018 µg/m3 on Saturday, April 18, 2026 8:30 PM 1.4217 µg/m3 on Saturday, April 18, 2026 9:00 PM 1.3844 µg/m3 on Saturday, April 18, 2026 9:30 PM 1.5249 µg/m3 on Saturday, April 18, 2026 10:00 PM 1.5518 µg/m3 on Saturday, April 18, 2026 10:30 PM 1.6141 µg/m3 on Saturday, April 18, 2026 11:00 PM 1.591 µg/m3 on Saturday, April 18, 2026 11:30 PM 1.648 µg/m3 on Sunday, April 19, 2026 12:00 AM 1.7891 µg/m3 on Sunday, April 19, 2026 12:30 AM 1.7562 µg/m3 on Sunday, April 19, 2026 1:00 AM 1.777 µg/m3 on Sunday, April 19, 2026 1:30 AM 1.7383 µg/m3 on Sunday, April 19, 2026 2:00 AM 1.7936 µg/m3 on Sunday, April 19, 2026 2:30 AM 1.7721 µg/m3 on Sunday, April 19, 2026 3:00 AM 1.7233 µg/m3 on Sunday, April 19, 2026 3:30 AM 1.6711 µg/m3 on Sunday, April 19, 2026 4:00 AM 1.6975 µg/m3 on Sunday, April 19, 2026 4:30 AM 1.6211 µg/m3 on Sunday, April 19, 2026 5:00 AM 1.6757 µg/m3 on Sunday, April 19, 2026 5:30 AM 1.6315 µg/m3 on Sunday, April 19, 2026 6:00 AM 1.7195 µg/m3 on Sunday, April 19, 2026 6:30 AM 1.7258 µg/m3 on Sunday, April 19, 2026 7:00 AM 1.796 µg/m3 on Sunday, April 19, 2026 7:30 AM 1.728 µg/m3 on Sunday, April 19, 2026 8:00 AM 1.6788 µg/m3 on Sunday, April 19, 2026 8:30 AM 1.5466 µg/m3 on Sunday, April 19, 2026 9:00 AM 1.4615 µg/m3 on Sunday, April 19, 2026 9:30 AM 1.4538 µg/m3 on Sunday, April 19, 2026 10:00 AM 1.4871 µg/m3 on Sunday, April 19, 2026 10:30 AM 1.4351 µg/m3 on Sunday, April 19, 2026 11:00 AM 1.4826 µg/m3 on Sunday, April 19, 2026 11:30 AM 1.4767 µg/m3 on Sunday, April 19, 2026 12:00 PM 1.4432 µg/m3 on Sunday, April 19, 2026 12:30 PM 1.4552 µg/m3 on Sunday, April 19, 2026 1:00 PM 1.4978 µg/m3 on Sunday, April 19, 2026 1:30 PM 1.5185 µg/m3 on Sunday, April 19, 2026 2:00 PM 1.5761 µg/m3 on Sunday, April 19, 2026 2:30 PM 1.6137 µg/m3 on Sunday, April 19, 2026 3:00 PM 1.6304 µg/m3 on Sunday, April 19, 2026 3:30 PM 1.6922 µg/m3 on Sunday, April 19, 2026 4:00 PM 1.6997 µg/m3 on Sunday, April 19, 2026 4:30 PM 1.811 µg/m3 on Sunday, April 19, 2026 5:00 PM 1.8695 µg/m3 on Sunday, April 19, 2026 5:30 PM 1.8617 µg/m3 on Sunday, April 19, 2026 6:00 PM 1.8961 µg/m3 on Sunday, April 19, 2026 6:30 PM 1.9102 µg/m3 on Sunday, April 19, 2026 7:00 PM 1.9145 µg/m3 on Sunday, April 19, 2026 7:30 PM 1.902 µg/m3 on Sunday, April 19, 2026 8:00 PM 1.9344 µg/m3 on Sunday, April 19, 2026 8:30 PM 1.9438 µg/m3 on Sunday, April 19, 2026 9:00 PM 1.9331 µg/m3 on Sunday, April 19, 2026 9:30 PM 1.945 µg/m3 on Sunday, April 19, 2026 10:00 PM 1.9233 µg/m3 on Sunday, April 19, 2026 10:30 PM 1.949 µg/m3 on Sunday, April 19, 2026 11:00 PM 1.8052 µg/m3 on Sunday, April 19, 2026 11:30 PM 1.8269 µg/m3 on Monday, April 20, 2026 12:00 AM 1.8351 µg/m3 on Monday, April 20, 2026 12:30 AM 1.8344 µg/m3 on Monday, April 20, 2026 1:00 AM 1.8391 µg/m3 on Monday, April 20, 2026 1:30 AM 1.8533 µg/m3 on Monday, April 20, 2026 2:00 AM 1.8527 µg/m3 on Monday, April 20, 2026 2:30 AM 1.9783 µg/m3 on Monday, April 20, 2026 3:00 AM 1.946 µg/m3 on Monday, April 20, 2026 3:30 AM 2.0615 µg/m3 on Monday, April 20, 2026 4:00 AM 2.0855 µg/m3 on Monday, April 20, 2026 4:30 AM 2.1211 µg/m3 on Monday, April 20, 2026 5:00 AM 2.1493 µg/m3 on Monday, April 20, 2026 5:30 AM 2.1569 µg/m3 on Monday, April 20, 2026 6:00 AM 2.1705 µg/m3 on Monday, April 20, 2026 6:30 AM 2.2108 µg/m3 on Monday, April 20, 2026 7:00 AM 2.2398 µg/m3 on Monday, April 20, 2026 7:30 AM 2.2446 µg/m3 on Monday, April 20, 2026 8:00 AM 2.3198 µg/m3 on Monday, April 20, 2026 8:30 AM 2.3403 µg/m3 on Monday, April 20, 2026 9:00 AM 2.3563 µg/m3 on Monday, April 20, 2026 9:30 AM 2.4965 µg/m3 on Monday, April 20, 2026 10:00 AM 2.5362 µg/m3 on Monday, April 20, 2026 10:30 AM 2.6075 µg/m3 on Monday, April 20, 2026 11:00 AM 2.6003 µg/m3 on Monday, April 20, 2026 11:30 AM 2.6371 µg/m3 on Monday, April 20, 2026 12:00 PM 2.6248 µg/m3 on Monday, April 20, 2026 12:30 PM 2.6231 µg/m3 on Monday, April 20, 2026 1:00 PM 2.629 µg/m3 on Monday, April 20, 2026 1:30 PM 2.7007 µg/m3 on Monday, April 20, 2026 2:00 PM 2.7409 µg/m3 on Monday, April 20, 2026 2:30 PM 2.7175 µg/m3 on Monday, April 20, 2026 3:00 PM 2.7616 µg/m3 on Monday, April 20, 2026 3:30 PM 2.7031 µg/m3 on Monday, April 20, 2026 4:00 PM 2.7597 µg/m3 on Monday, April 20, 2026 4:30 PM 2.7043 µg/m3 on Monday, April 20, 2026 5:00 PM 2.757 µg/m3 on Monday, April 20, 2026 5:30 PM 2.8169 µg/m3 on Monday, April 20, 2026 6:00 PM 2.7464 µg/m3 on Monday, April 20, 2026 6:30 PM 2.7556 µg/m3 on Monday, April 20, 2026 7:00 PM 2.7915 µg/m3 on Monday, April 20, 2026 7:30 PM 2.8142 µg/m3 on Monday, April 20, 2026 8:00 PM 2.7385 µg/m3 on Monday, April 20, 2026 8:30 PM 2.7908 µg/m3 on Monday, April 20, 2026 9:00 PM 2.7673 µg/m3 on Monday, April 20, 2026 9:30 PM 2.7422 µg/m3 on Monday, April 20, 2026 10:00 PM 2.7506 µg/m3 on Monday, April 20, 2026 10:30 PM 2.7362 µg/m3 on Monday, April 20, 2026 11:00 PM 2.7751 µg/m3 on Monday, April 20, 2026 11:30 PM 2.6908 µg/m3 on Tuesday, April 21, 2026 12:00 AM 2.8192 µg/m3 on Tuesday, April 21, 2026 12:30 AM 2.8661 µg/m3 on Tuesday, April 21, 2026 1:00 AM 2.9125 µg/m3 on Tuesday, April 21, 2026 1:30 AM 2.9633 µg/m3 on Tuesday, April 21, 2026 2:00 AM 2.9785 µg/m3 on Tuesday, April 21, 2026 2:30 AM 2.8906 µg/m3 on Tuesday, April 21, 2026 3:00 AM 2.9188 µg/m3 on Tuesday, April 21, 2026 3:30 AM 2.8666 µg/m3 on Tuesday, April 21, 2026 4:00 AM 2.8979 µg/m3 on Tuesday, April 21, 2026 4:30 AM 2.8489 µg/m3 on Tuesday, April 21, 2026 5:00 AM 2.8077 µg/m3 on Tuesday, April 21, 2026 5:30 AM 2.8255 µg/m3 on Tuesday, April 21, 2026 6:00 AM 2.8739 µg/m3 on Tuesday, April 21, 2026 6:30 AM 2.8586 µg/m3 on Tuesday, April 21, 2026 7:00 AM 2.8979 µg/m3 on Tuesday, April 21, 2026 7:30 AM 2.8821 µg/m3 on Tuesday, April 21, 2026 8:00 AM 2.9198 µg/m3 on Tuesday, April 21, 2026 8:30 AM 2.9912 µg/m3 on Tuesday, April 21, 2026 9:00 AM 2.8563 µg/m3 on Tuesday, April 21, 2026 9:30 AM 3.0012 µg/m3 on Tuesday, April 21, 2026 10:00 AM 2.9474 µg/m3 on Tuesday, April 21, 2026 10:30 AM 2.9592 µg/m3 on Tuesday, April 21, 2026 11:00 AM 3.0005 µg/m3 on Tuesday, April 21, 2026 11:30 AM 2.9274 µg/m3 on Tuesday, April 21, 2026 12:00 PM 2.9617 µg/m3 on Tuesday, April 21, 2026 12:30 PM 2.911 µg/m3 on Tuesday, April 21, 2026 1:00 PM 2.9853 µg/m3 on Tuesday, April 21, 2026 1:30 PM 2.9331 µg/m3 on Tuesday, April 21, 2026 2:00 PM 3.0967 µg/m3 on Tuesday, April 21, 2026 2:30 PM 2.9741 µg/m3 on Tuesday, April 21, 2026 3:00 PM 2.9241 µg/m3 on Tuesday, April 21, 2026 3:30 PM 3.0168 µg/m3 on Tuesday, April 21, 2026 4:00 PM 3.0298 µg/m3 on Tuesday, April 21, 2026 4:30 PM 2.9737 µg/m3 on Tuesday, April 21, 2026 5:00 PM 2.9393 µg/m3 on Tuesday, April 21, 2026 5:30 PM 2.9115 µg/m3 on Tuesday, April 21, 2026 6:00 PM 2.9538 µg/m3 on Tuesday, April 21, 2026 6:30 PM 2.881 µg/m3 on Tuesday, April 21, 2026 7:00 PM 2.8997 µg/m3 on Tuesday, April 21, 2026 7:30 PM
Date & TimePM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
4/21/2026 6:30:00 PM (MDT) 2.9 8.4902
4/21/2026 6:00:00 PM (MDT) 2.88 8.4667
4/21/2026 5:30:00 PM (MDT) 2.95 8.5364
4/21/2026 5:00:00 PM (MDT) 2.91 8.4476
4/21/2026 4:30:00 PM (MDT) 2.94 8.6071
4/21/2026 4:00:00 PM (MDT) 2.97 8.6641
4/21/2026 3:30:00 PM (MDT) 3.03 8.8603
4/21/2026 3:00:00 PM (MDT) 3.02 8.8504
4/21/2026 2:30:00 PM (MDT) 2.92 8.4897
4/21/2026 2:00:00 PM (MDT) 2.97 8.7725
4/21/2026 1:30:00 PM (MDT) 3.1 8.7892
4/21/2026 1:00:00 PM (MDT) 2.93 8.5562
4/21/2026 12:30:00 PM (MDT) 2.99 8.6737
4/21/2026 12:00:00 PM (MDT) 2.91 8.5487
4/21/2026 11:30:00 AM (MDT) 2.96 8.362
4/21/2026 11:00:00 AM (MDT) 2.93 8.4024
4/21/2026 10:30:00 AM (MDT) 3 8.7573
4/21/2026 10:00:00 AM (MDT) 2.96 8.4908
4/21/2026 9:30:00 AM (MDT) 2.95 8.378
4/21/2026 9:00:00 AM (MDT) 3 8.5584
4/21/2026 8:30:00 AM (MDT) 2.86 8.3154
4/21/2026 8:00:00 AM (MDT) 2.99 8.5392
4/21/2026 7:30:00 AM (MDT) 2.92 8.4152
4/21/2026 7:00:00 AM (MDT) 2.88 8.3573
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