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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 Old White Rock Fire Station

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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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10.5784 µg/m3 on Thursday, May 2, 2024 1:00 AM 10.5469 µg/m3 on Thursday, May 2, 2024 1:30 AM 10.6655 µg/m3 on Thursday, May 2, 2024 2:00 AM 10.6351 µg/m3 on Thursday, May 2, 2024 3:00 AM 10.9246 µg/m3 on Thursday, May 2, 2024 3:30 AM 11.0061 µg/m3 on Thursday, May 2, 2024 4:00 AM 11.0252 µg/m3 on Thursday, May 2, 2024 4:30 AM 10.9814 µg/m3 on Thursday, May 2, 2024 5:00 AM 11.2332 µg/m3 on Thursday, May 2, 2024 5:30 AM 11.3177 µg/m3 on Thursday, May 2, 2024 6:00 AM 11.4366 µg/m3 on Thursday, May 2, 2024 6:30 AM 11.5267 µg/m3 on Thursday, May 2, 2024 7:00 AM 11.6977 µg/m3 on Thursday, May 2, 2024 7:30 AM 11.9365 µg/m3 on Thursday, May 2, 2024 8:00 AM 11.8982 µg/m3 on Thursday, May 2, 2024 8:30 AM 11.7235 µg/m3 on Thursday, May 2, 2024 9:05 AM 11.6392 µg/m3 on Thursday, May 2, 2024 9:30 AM 11.2891 µg/m3 on Thursday, May 2, 2024 10:08 AM 11.2801 µg/m3 on Thursday, May 2, 2024 10:30 AM 11.0432 µg/m3 on Thursday, May 2, 2024 11:00 AM 10.6176 µg/m3 on Thursday, May 2, 2024 11:30 AM 10.4855 µg/m3 on Thursday, May 2, 2024 12:00 PM 10.1919 µg/m3 on Thursday, May 2, 2024 12:30 PM 10.2971 µg/m3 on Thursday, May 2, 2024 1:00 PM 10.0244 µg/m3 on Thursday, May 2, 2024 1:30 PM 10.0311 µg/m3 on Thursday, May 2, 2024 2:00 PM 9.9269 µg/m3 on Thursday, May 2, 2024 2:30 PM 9.9414 µg/m3 on Thursday, May 2, 2024 3:00 PM 9.7429 µg/m3 on Thursday, May 2, 2024 3:30 PM 9.7417 µg/m3 on Thursday, May 2, 2024 4:00 PM 9.6597 µg/m3 on Thursday, May 2, 2024 4:30 PM 9.6672 µg/m3 on Thursday, May 2, 2024 5:00 PM 9.6018 µg/m3 on Thursday, May 2, 2024 5:30 PM 9.5934 µg/m3 on Thursday, May 2, 2024 6:00 PM 9.8024 µg/m3 on Thursday, May 2, 2024 6:30 PM 9.8587 µg/m3 on Thursday, May 2, 2024 7:00 PM 9.8892 µg/m3 on Thursday, May 2, 2024 7:30 PM 9.9095 µg/m3 on Thursday, May 2, 2024 8:00 PM 9.9884 µg/m3 on Thursday, May 2, 2024 8:30 PM 10.0067 µg/m3 on Thursday, May 2, 2024 9:00 PM 9.979 µg/m3 on Thursday, May 2, 2024 9:30 PM 9.9509 µg/m3 on Thursday, May 2, 2024 10:00 PM 9.8724 µg/m3 on Thursday, May 2, 2024 10:30 PM 9.7763 µg/m3 on Thursday, May 2, 2024 11:00 PM 9.7943 µg/m3 on Thursday, May 2, 2024 11:30 PM 9.8772 µg/m3 on Friday, May 3, 2024 12:00 AM 9.8148 µg/m3 on Friday, May 3, 2024 12:30 AM 9.8079 µg/m3 on Friday, May 3, 2024 1:00 AM 9.7786 µg/m3 on Friday, May 3, 2024 1:30 AM 9.727 µg/m3 on Friday, May 3, 2024 2:00 AM 9.8157 µg/m3 on Friday, May 3, 2024 2:30 AM 9.7364 µg/m3 on Friday, May 3, 2024 3:00 AM 9.6883 µg/m3 on Friday, May 3, 2024 3:30 AM 9.6922 µg/m3 on Friday, May 3, 2024 4:00 AM 9.4589 µg/m3 on Friday, May 3, 2024 4:30 AM 9.3577 µg/m3 on Friday, May 3, 2024 5:00 AM 9.2366 µg/m3 on Friday, May 3, 2024 5:30 AM 9.2173 µg/m3 on Friday, May 3, 2024 6:00 AM 9.1055 µg/m3 on Friday, May 3, 2024 6:30 AM 9.0119 µg/m3 on Friday, May 3, 2024 7:00 AM 9.0346 µg/m3 on Friday, May 3, 2024 7:30 AM 8.8167 µg/m3 on Friday, May 3, 2024 8:00 AM 9.033 µg/m3 on Friday, May 3, 2024 8:30 AM 8.8447 µg/m3 on Friday, May 3, 2024 9:00 AM 8.6555 µg/m3 on Friday, May 3, 2024 9:30 AM 8.6438 µg/m3 on Friday, May 3, 2024 10:00 AM 9.2647 µg/m3 on Friday, May 3, 2024 10:30 AM 9.285 µg/m3 on Friday, May 3, 2024 11:00 AM 9.7082 µg/m3 on Friday, May 3, 2024 11:30 AM 10.0016 µg/m3 on Friday, May 3, 2024 12:00 PM 10.1709 µg/m3 on Friday, May 3, 2024 12:30 PM 10.498 µg/m3 on Friday, May 3, 2024 1:00 PM 10.5593 µg/m3 on Friday, May 3, 2024 1:30 PM 10.6759 µg/m3 on Friday, May 3, 2024 2:00 PM 10.7135 µg/m3 on Friday, May 3, 2024 2:30 PM 10.8322 µg/m3 on Friday, May 3, 2024 3:00 PM 10.881 µg/m3 on Friday, May 3, 2024 3:30 PM 10.9436 µg/m3 on Friday, May 3, 2024 4:00 PM 11.0293 µg/m3 on Friday, May 3, 2024 4:30 PM 10.9856 µg/m3 on Friday, May 3, 2024 5:00 PM 11.0054 µg/m3 on Friday, May 3, 2024 5:30 PM 10.9055 µg/m3 on Friday, May 3, 2024 6:00 PM 10.9245 µg/m3 on Friday, May 3, 2024 6:30 PM 11.0001 µg/m3 on Friday, May 3, 2024 7:00 PM 10.9635 µg/m3 on Friday, May 3, 2024 7:30 PM 10.9551 µg/m3 on Friday, May 3, 2024 8:00 PM 11.1922 µg/m3 on Friday, May 3, 2024 8:30 PM 11.2116 µg/m3 on Friday, May 3, 2024 9:00 PM 11.3522 µg/m3 on Friday, May 3, 2024 9:30 PM 11.2627 µg/m3 on Friday, May 3, 2024 10:00 PM 11.3658 µg/m3 on Friday, May 3, 2024 10:30 PM 11.3795 µg/m3 on Friday, May 3, 2024 11:00 PM 11.3653 µg/m3 on Friday, May 3, 2024 11:30 PM 11.4139 µg/m3 on Saturday, May 4, 2024 12:00 AM 11.4446 µg/m3 on Saturday, May 4, 2024 12:30 AM 11.5347 µg/m3 on Saturday, May 4, 2024 1:00 AM 11.5978 µg/m3 on Saturday, May 4, 2024 1:30 AM 11.5732 µg/m3 on Saturday, May 4, 2024 2:00 AM 11.6217 µg/m3 on Saturday, May 4, 2024 2:30 AM 11.7137 µg/m3 on Saturday, May 4, 2024 3:00 AM 11.7294 µg/m3 on Saturday, May 4, 2024 3:30 AM 11.7226 µg/m3 on Saturday, May 4, 2024 4:00 AM 11.8143 µg/m3 on Saturday, May 4, 2024 4:30 AM 11.8055 µg/m3 on Saturday, May 4, 2024 5:00 AM 11.8771 µg/m3 on Saturday, May 4, 2024 5:30 AM 12.0784 µg/m3 on Saturday, May 4, 2024 6:00 AM 11.938 µg/m3 on Saturday, May 4, 2024 6:30 AM 12.0223 µg/m3 on Saturday, May 4, 2024 7:00 AM 12.1543 µg/m3 on Saturday, May 4, 2024 7:30 AM 12.2264 µg/m3 on Saturday, May 4, 2024 8:00 AM 12.4986 µg/m3 on Saturday, May 4, 2024 8:30 AM 12.7162 µg/m3 on Saturday, May 4, 2024 9:00 AM 13.0617 µg/m3 on Saturday, May 4, 2024 9:30 AM 13.5367 µg/m3 on Saturday, May 4, 2024 10:00 AM 13.5022 µg/m3 on Saturday, May 4, 2024 10:30 AM 14.5316 µg/m3 on Saturday, May 4, 2024 11:00 AM 14.5217 µg/m3 on Saturday, May 4, 2024 11:30 AM 15.3878 µg/m3 on Saturday, May 4, 2024 12:00 PM 15.3798 µg/m3 on Saturday, May 4, 2024 12:30 PM 16.0793 µg/m3 on Saturday, May 4, 2024 1:00 PM 16.3417 µg/m3 on Saturday, May 4, 2024 1:30 PM 16.601 µg/m3 on Saturday, May 4, 2024 2:00 PM 16.6996 µg/m3 on Saturday, May 4, 2024 2:30 PM 16.8571 µg/m3 on Saturday, May 4, 2024 3:00 PM 17.1207 µg/m3 on Saturday, May 4, 2024 3:30 PM 17.2224 µg/m3 on Saturday, May 4, 2024 4:00 PM 17.4043 µg/m3 on Saturday, May 4, 2024 4:30 PM 17.4626 µg/m3 on Saturday, May 4, 2024 5:00 PM 17.5679 µg/m3 on Saturday, May 4, 2024 5:30 PM 17.7602 µg/m3 on Saturday, May 4, 2024 6:00 PM 17.6936 µg/m3 on Saturday, May 4, 2024 6:30 PM 17.7704 µg/m3 on Saturday, May 4, 2024 7:00 PM 17.8953 µg/m3 on Saturday, May 4, 2024 7:30 PM 18.1438 µg/m3 on Saturday, May 4, 2024 8:00 PM 17.926 µg/m3 on Saturday, May 4, 2024 8:30 PM 18.2257 µg/m3 on Saturday, May 4, 2024 9:00 PM 18.2944 µg/m3 on Saturday, May 4, 2024 9:30 PM 18.397 µg/m3 on Saturday, May 4, 2024 10:00 PM 18.3202 µg/m3 on Saturday, May 4, 2024 10:30 PM 18.337 µg/m3 on Saturday, May 4, 2024 11:00 PM 18.3946 µg/m3 on Saturday, May 4, 2024 11:30 PM 18.3974 µg/m3 on Sunday, May 5, 2024 12:00 AM 18.582 µg/m3 on Sunday, May 5, 2024 12:30 AM 18.4147 µg/m3 on Sunday, May 5, 2024 1:00 AM 18.2801 µg/m3 on Sunday, May 5, 2024 1:30 AM 18.4388 µg/m3 on Sunday, May 5, 2024 2:00 AM 18.2983 µg/m3 on Sunday, May 5, 2024 2:30 AM 18.4843 µg/m3 on Sunday, May 5, 2024 3:00 AM 18.5135 µg/m3 on Sunday, May 5, 2024 3:30 AM 18.5934 µg/m3 on Sunday, May 5, 2024 4:00 AM 18.6276 µg/m3 on Sunday, May 5, 2024 4:30 AM 18.8429 µg/m3 on Sunday, May 5, 2024 5:00 AM 18.8556 µg/m3 on Sunday, May 5, 2024 5:30 AM 19.0621 µg/m3 on Sunday, May 5, 2024 6:00 AM 19.1129 µg/m3 on Sunday, May 5, 2024 6:30 AM 19.1439 µg/m3 on Sunday, May 5, 2024 7:00 AM 19.1518 µg/m3 on Sunday, May 5, 2024 7:30 AM 19.3129 µg/m3 on Sunday, May 5, 2024 8:00 AM 19.3961 µg/m3 on Sunday, May 5, 2024 8:30 AM 19.3458 µg/m3 on Sunday, May 5, 2024 9:00 AM 18.7634 µg/m3 on Sunday, May 5, 2024 9:30 AM 18.2671 µg/m3 on Sunday, May 5, 2024 10:00 AM 17.7928 µg/m3 on Sunday, May 5, 2024 10:30 AM 17.244 µg/m3 on Sunday, May 5, 2024 11:00 AM 16.8684 µg/m3 on Sunday, May 5, 2024 11:30 AM 16.3016 µg/m3 on Sunday, May 5, 2024 12:00 PM 15.9497 µg/m3 on Sunday, May 5, 2024 12:30 PM 15.4253 µg/m3 on Sunday, May 5, 2024 1:00 PM 15.186 µg/m3 on Sunday, May 5, 2024 1:30 PM 14.7568 µg/m3 on Sunday, May 5, 2024 2:00 PM 14.5826 µg/m3 on Sunday, May 5, 2024 2:30 PM 1.5758 µg/m3 on Thursday, May 2, 2024 1:00 AM 1.5578 µg/m3 on Thursday, May 2, 2024 1:30 AM 1.6317 µg/m3 on Thursday, May 2, 2024 2:00 AM 1.5518 µg/m3 on Thursday, May 2, 2024 3:00 AM 1.729 µg/m3 on Thursday, May 2, 2024 3:30 AM 1.7498 µg/m3 on Thursday, May 2, 2024 4:00 AM 1.7723 µg/m3 on Thursday, May 2, 2024 4:30 AM 1.7588 µg/m3 on Thursday, May 2, 2024 5:00 AM 1.9076 µg/m3 on Thursday, May 2, 2024 5:30 AM 1.9054 µg/m3 on Thursday, May 2, 2024 6:00 AM 2.0092 µg/m3 on Thursday, May 2, 2024 6:30 AM 2.0385 µg/m3 on Thursday, May 2, 2024 7:00 AM 2.0814 µg/m3 on Thursday, May 2, 2024 7:30 AM 2.243 µg/m3 on Thursday, May 2, 2024 8:00 AM 2.2273 µg/m3 on Thursday, May 2, 2024 8:30 AM 2.2221 µg/m3 on Thursday, May 2, 2024 9:05 AM 2.2857 µg/m3 on Thursday, May 2, 2024 9:30 AM 2.2402 µg/m3 on Thursday, May 2, 2024 10:08 AM 2.2297 µg/m3 on Thursday, May 2, 2024 10:30 AM 2.1971 µg/m3 on Thursday, May 2, 2024 11:00 AM 2.167 µg/m3 on Thursday, May 2, 2024 11:30 AM 2.0858 µg/m3 on Thursday, May 2, 2024 12:00 PM 2.0589 µg/m3 on Thursday, May 2, 2024 12:30 PM 2.153 µg/m3 on Thursday, May 2, 2024 1:00 PM 2.0131 µg/m3 on Thursday, May 2, 2024 1:30 PM 2.0849 µg/m3 on Thursday, May 2, 2024 2:00 PM 1.9965 µg/m3 on Thursday, May 2, 2024 2:30 PM 2.0227 µg/m3 on Thursday, May 2, 2024 3:00 PM 1.9737 µg/m3 on Thursday, May 2, 2024 3:30 PM 2.0092 µg/m3 on Thursday, May 2, 2024 4:00 PM 1.9552 µg/m3 on Thursday, May 2, 2024 4:30 PM 1.9706 µg/m3 on Thursday, May 2, 2024 5:00 PM 1.9037 µg/m3 on Thursday, May 2, 2024 5:30 PM 1.9784 µg/m3 on Thursday, May 2, 2024 6:00 PM 1.9833 µg/m3 on Thursday, May 2, 2024 6:30 PM 2.0443 µg/m3 on Thursday, May 2, 2024 7:00 PM 2.0184 µg/m3 on Thursday, May 2, 2024 7:30 PM 2.0554 µg/m3 on Thursday, May 2, 2024 8:00 PM 2.0987 µg/m3 on Thursday, May 2, 2024 8:30 PM 2.1223 µg/m3 on Thursday, May 2, 2024 9:00 PM 2.0977 µg/m3 on Thursday, May 2, 2024 9:30 PM 2.1082 µg/m3 on Thursday, May 2, 2024 10:00 PM 2.0755 µg/m3 on Thursday, May 2, 2024 10:30 PM 2.0255 µg/m3 on Thursday, May 2, 2024 11:00 PM 2.0226 µg/m3 on Thursday, May 2, 2024 11:30 PM 2.111 µg/m3 on Friday, May 3, 2024 12:00 AM 2.0349 µg/m3 on Friday, May 3, 2024 12:30 AM 2.0127 µg/m3 on Friday, May 3, 2024 1:00 AM 2.0144 µg/m3 on Friday, May 3, 2024 1:30 AM 1.9519 µg/m3 on Friday, May 3, 2024 2:00 AM 1.9608 µg/m3 on Friday, May 3, 2024 2:30 AM 1.8982 µg/m3 on Friday, May 3, 2024 3:00 AM 1.8605 µg/m3 on Friday, May 3, 2024 3:30 AM 1.8851 µg/m3 on Friday, May 3, 2024 4:00 AM 1.7767 µg/m3 on Friday, May 3, 2024 4:30 AM 1.7462 µg/m3 on Friday, May 3, 2024 5:00 AM 1.6819 µg/m3 on Friday, May 3, 2024 5:30 AM 1.6579 µg/m3 on Friday, May 3, 2024 6:00 AM 1.6109 µg/m3 on Friday, May 3, 2024 6:30 AM 1.5133 µg/m3 on Friday, May 3, 2024 7:00 AM 1.5449 µg/m3 on Friday, May 3, 2024 7:30 AM 1.431 µg/m3 on Friday, May 3, 2024 8:00 AM 1.448 µg/m3 on Friday, May 3, 2024 8:30 AM 1.3481 µg/m3 on Friday, May 3, 2024 9:00 AM 1.28 µg/m3 on Friday, May 3, 2024 9:30 AM 1.2776 µg/m3 on Friday, May 3, 2024 10:00 AM 1.421 µg/m3 on Friday, May 3, 2024 10:30 AM 1.3982 µg/m3 on Friday, May 3, 2024 11:00 AM 1.4807 µg/m3 on Friday, May 3, 2024 11:30 AM 1.5857 µg/m3 on Friday, May 3, 2024 12:00 PM 1.5697 µg/m3 on Friday, May 3, 2024 12:30 PM 1.7369 µg/m3 on Friday, May 3, 2024 1:00 PM 1.7805 µg/m3 on Friday, May 3, 2024 1:30 PM 1.8133 µg/m3 on Friday, May 3, 2024 2:00 PM 1.8903 µg/m3 on Friday, May 3, 2024 2:30 PM 1.8689 µg/m3 on Friday, May 3, 2024 3:00 PM 1.9215 µg/m3 on Friday, May 3, 2024 3:30 PM 1.9123 µg/m3 on Friday, May 3, 2024 4:00 PM 1.9419 µg/m3 on Friday, May 3, 2024 4:30 PM 1.9195 µg/m3 on Friday, May 3, 2024 5:00 PM 1.922 µg/m3 on Friday, May 3, 2024 5:30 PM 1.9425 µg/m3 on Friday, May 3, 2024 6:00 PM 1.9392 µg/m3 on Friday, May 3, 2024 6:30 PM 2.0201 µg/m3 on Friday, May 3, 2024 7:00 PM 1.9559 µg/m3 on Friday, May 3, 2024 7:30 PM 1.9339 µg/m3 on Friday, May 3, 2024 8:00 PM 2.1157 µg/m3 on Friday, May 3, 2024 8:30 PM 2.1322 µg/m3 on Friday, May 3, 2024 9:00 PM 2.1412 µg/m3 on Friday, May 3, 2024 9:30 PM 2.1221 µg/m3 on Friday, May 3, 2024 10:00 PM 2.1265 µg/m3 on Friday, May 3, 2024 10:30 PM 2.1103 µg/m3 on Friday, May 3, 2024 11:00 PM 2.1322 µg/m3 on Friday, May 3, 2024 11:30 PM 2.1202 µg/m3 on Saturday, May 4, 2024 12:00 AM 2.1735 µg/m3 on Saturday, May 4, 2024 12:30 AM 2.2536 µg/m3 on Saturday, May 4, 2024 1:00 AM 2.2839 µg/m3 on Saturday, May 4, 2024 1:30 AM 2.2669 µg/m3 on Saturday, May 4, 2024 2:00 AM 2.2678 µg/m3 on Saturday, May 4, 2024 2:30 AM 2.3901 µg/m3 on Saturday, May 4, 2024 3:00 AM 2.3694 µg/m3 on Saturday, May 4, 2024 3:30 AM 2.4266 µg/m3 on Saturday, May 4, 2024 4:00 AM 2.4714 µg/m3 on Saturday, May 4, 2024 4:30 AM 2.4461 µg/m3 on Saturday, May 4, 2024 5:00 AM 2.5143 µg/m3 on Saturday, May 4, 2024 5:30 AM 2.7209 µg/m3 on Saturday, May 4, 2024 6:00 AM 2.5888 µg/m3 on Saturday, May 4, 2024 6:30 AM 2.6061 µg/m3 on Saturday, May 4, 2024 7:00 AM 2.7975 µg/m3 on Saturday, May 4, 2024 7:30 AM 2.774 µg/m3 on Saturday, May 4, 2024 8:00 AM 2.8558 µg/m3 on Saturday, May 4, 2024 8:30 AM 2.9304 µg/m3 on Saturday, May 4, 2024 9:00 AM 2.9245 µg/m3 on Saturday, May 4, 2024 9:30 AM 3.0015 µg/m3 on Saturday, May 4, 2024 10:00 AM 2.9618 µg/m3 on Saturday, May 4, 2024 10:30 AM 3.0916 µg/m3 on Saturday, May 4, 2024 11:00 AM 3.0678 µg/m3 on Saturday, May 4, 2024 11:30 AM 3.1448 µg/m3 on Saturday, May 4, 2024 12:00 PM 3.1088 µg/m3 on Saturday, May 4, 2024 12:30 PM 3.1679 µg/m3 on Saturday, May 4, 2024 1:00 PM 3.1807 µg/m3 on Saturday, May 4, 2024 1:30 PM 3.1946 µg/m3 on Saturday, May 4, 2024 2:00 PM 3.2515 µg/m3 on Saturday, May 4, 2024 2:30 PM 3.2737 µg/m3 on Saturday, May 4, 2024 3:00 PM 3.2048 µg/m3 on Saturday, May 4, 2024 3:30 PM 3.314 µg/m3 on Saturday, May 4, 2024 4:00 PM 3.2135 µg/m3 on Saturday, May 4, 2024 4:30 PM 3.2144 µg/m3 on Saturday, May 4, 2024 5:00 PM 3.2312 µg/m3 on Saturday, May 4, 2024 5:30 PM 3.3203 µg/m3 on Saturday, May 4, 2024 6:00 PM 3.1788 µg/m3 on Saturday, May 4, 2024 6:30 PM 3.1875 µg/m3 on Saturday, May 4, 2024 7:00 PM 3.2335 µg/m3 on Saturday, May 4, 2024 7:30 PM 3.2134 µg/m3 on Saturday, May 4, 2024 8:00 PM 3.0535 µg/m3 on Saturday, May 4, 2024 8:30 PM 3.2491 µg/m3 on Saturday, May 4, 2024 9:00 PM 3.2076 µg/m3 on Saturday, May 4, 2024 9:30 PM 3.2653 µg/m3 on Saturday, May 4, 2024 10:00 PM 3.1764 µg/m3 on Saturday, May 4, 2024 10:30 PM 3.241 µg/m3 on Saturday, May 4, 2024 11:00 PM 3.2127 µg/m3 on Saturday, May 4, 2024 11:30 PM 3.2091 µg/m3 on Sunday, May 5, 2024 12:00 AM 3.2198 µg/m3 on Sunday, May 5, 2024 12:30 AM 3.108 µg/m3 on Sunday, May 5, 2024 1:00 AM 3.0438 µg/m3 on Sunday, May 5, 2024 1:30 AM 3.0434 µg/m3 on Sunday, May 5, 2024 2:00 AM 3.0138 µg/m3 on Sunday, May 5, 2024 2:30 AM 3.0339 µg/m3 on Sunday, May 5, 2024 3:00 AM 3.1231 µg/m3 on Sunday, May 5, 2024 3:30 AM 3.0028 µg/m3 on Sunday, May 5, 2024 4:00 AM 3.0775 µg/m3 on Sunday, May 5, 2024 4:30 AM 3.1087 µg/m3 on Sunday, May 5, 2024 5:00 AM 3.1001 µg/m3 on Sunday, May 5, 2024 5:30 AM 3.1346 µg/m3 on Sunday, May 5, 2024 6:00 AM 3.1679 µg/m3 on Sunday, May 5, 2024 6:30 AM 3.0067 µg/m3 on Sunday, May 5, 2024 7:00 AM 3.021 µg/m3 on Sunday, May 5, 2024 7:30 AM 3.0227 µg/m3 on Sunday, May 5, 2024 8:00 AM 3.0372 µg/m3 on Sunday, May 5, 2024 8:30 AM 3.0739 µg/m3 on Sunday, May 5, 2024 9:00 AM 3.046 µg/m3 on Sunday, May 5, 2024 9:30 AM 2.8899 µg/m3 on Sunday, May 5, 2024 10:00 AM 2.958 µg/m3 on Sunday, May 5, 2024 10:30 AM 2.8884 µg/m3 on Sunday, May 5, 2024 11:00 AM 2.898 µg/m3 on Sunday, May 5, 2024 11:30 AM 2.8475 µg/m3 on Sunday, May 5, 2024 12:00 PM 2.826 µg/m3 on Sunday, May 5, 2024 12:30 PM 2.7027 µg/m3 on Sunday, May 5, 2024 1:00 PM 2.6898 µg/m3 on Sunday, May 5, 2024 1:30 PM 2.6015 µg/m3 on Sunday, May 5, 2024 2:00 PM 2.616 µg/m3 on Sunday, May 5, 2024 2:30 PM
Date & TimePM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
5/5/2024 1:30:00 PM (MDT) 2.62 14.5826
5/5/2024 1:00:00 PM (MDT) 2.6 14.7568
5/5/2024 12:30:00 PM (MDT) 2.69 15.186
5/5/2024 12:00:00 PM (MDT) 2.7 15.4253
5/5/2024 11:30:00 AM (MDT) 2.83 15.9497
5/5/2024 11:00:00 AM (MDT) 2.85 16.3016
5/5/2024 10:30:00 AM (MDT) 2.9 16.8684
5/5/2024 10:00:00 AM (MDT) 2.89 17.244
5/5/2024 9:30:00 AM (MDT) 2.96 17.7928
5/5/2024 9:00:00 AM (MDT) 2.89 18.2671
5/5/2024 8:30:00 AM (MDT) 3.05 18.7634
5/5/2024 8:00:00 AM (MDT) 3.07 19.3458
5/5/2024 7:30:00 AM (MDT) 3.04 19.3961
5/5/2024 7:00:00 AM (MDT) 3.02 19.3129
5/5/2024 6:30:00 AM (MDT) 3.02 19.1518
5/5/2024 6:00:00 AM (MDT) 3.01 19.1439
5/5/2024 5:30:00 AM (MDT) 3.17 19.1129
5/5/2024 5:00:00 AM (MDT) 3.13 19.0621
5/5/2024 4:30:00 AM (MDT) 3.1 18.8556
5/5/2024 4:00:00 AM (MDT) 3.11 18.8429
5/5/2024 3:30:00 AM (MDT) 3.08 18.6276
5/5/2024 3:00:00 AM (MDT) 3 18.5934
5/5/2024 2:30:00 AM (MDT) 3.12 18.5135
5/5/2024 2:00:00 AM (MDT) 3.03 18.4843
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