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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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7.2946 µg/m3 on Wednesday, July 27, 2016 1:00 AM 7.2517 µg/m3 on Wednesday, July 27, 2016 1:30 AM 7.3285 µg/m3 on Wednesday, July 27, 2016 2:00 AM 7.2473 µg/m3 on Wednesday, July 27, 2016 2:30 AM 7.1843 µg/m3 on Wednesday, July 27, 2016 3:00 AM 7.237 µg/m3 on Wednesday, July 27, 2016 3:30 AM 7.1978 µg/m3 on Wednesday, July 27, 2016 4:00 AM 7.1042 µg/m3 on Wednesday, July 27, 2016 4:30 AM 7.0743 µg/m3 on Wednesday, July 27, 2016 5:00 AM 7.0584 µg/m3 on Wednesday, July 27, 2016 5:30 AM 6.5069 µg/m3 on Wednesday, July 27, 2016 6:00 AM 7.1104 µg/m3 on Wednesday, July 27, 2016 6:30 AM 7.2163 µg/m3 on Wednesday, July 27, 2016 7:00 AM 6.6417 µg/m3 on Wednesday, July 27, 2016 7:30 AM 6.6508 µg/m3 on Wednesday, July 27, 2016 8:00 AM 6.6645 µg/m3 on Wednesday, July 27, 2016 8:30 AM 6.7462 µg/m3 on Wednesday, July 27, 2016 9:00 AM 6.7756 µg/m3 on Wednesday, July 27, 2016 9:30 AM 6.7322 µg/m3 on Wednesday, July 27, 2016 10:00 AM 6.8117 µg/m3 on Wednesday, July 27, 2016 10:30 AM 6.836 µg/m3 on Wednesday, July 27, 2016 11:00 AM 7.8384 µg/m3 on Wednesday, July 27, 2016 11:30 AM 7.8648 µg/m3 on Wednesday, July 27, 2016 12:00 PM 8.9855 µg/m3 on Wednesday, July 27, 2016 12:30 PM 9.7328 µg/m3 on Wednesday, July 27, 2016 1:00 PM 9.1054 µg/m3 on Wednesday, July 27, 2016 1:30 PM 11.7848 µg/m3 on Wednesday, July 27, 2016 2:00 PM 15.8215 µg/m3 on Wednesday, July 27, 2016 2:30 PM 13.1202 µg/m3 on Wednesday, July 27, 2016 3:00 PM 11.993 µg/m3 on Wednesday, July 27, 2016 3:30 PM 16.9478 µg/m3 on Wednesday, July 27, 2016 4:00 PM 17.1109 µg/m3 on Wednesday, July 27, 2016 4:30 PM 16.7649 µg/m3 on Wednesday, July 27, 2016 5:00 PM 17.0127 µg/m3 on Wednesday, July 27, 2016 5:30 PM 16.6882 µg/m3 on Wednesday, July 27, 2016 6:00 PM 16.6785 µg/m3 on Wednesday, July 27, 2016 6:30 PM 16.9097 µg/m3 on Wednesday, July 27, 2016 7:00 PM 16.8865 µg/m3 on Wednesday, July 27, 2016 7:30 PM 16.8342 µg/m3 on Wednesday, July 27, 2016 8:00 PM 17.0971 µg/m3 on Wednesday, July 27, 2016 8:30 PM 17.3141 µg/m3 on Wednesday, July 27, 2016 9:00 PM 17.0907 µg/m3 on Wednesday, July 27, 2016 9:30 PM 17.2603 µg/m3 on Wednesday, July 27, 2016 10:00 PM 16.9702 µg/m3 on Wednesday, July 27, 2016 10:30 PM 17.1139 µg/m3 on Wednesday, July 27, 2016 11:00 PM 16.9649 µg/m3 on Wednesday, July 27, 2016 11:30 PM 17.2412 µg/m3 on Thursday, July 28, 2016 12:00 AM 16.9826 µg/m3 on Thursday, July 28, 2016 12:30 AM 17.1441 µg/m3 on Thursday, July 28, 2016 1:00 AM 17.1493 µg/m3 on Thursday, July 28, 2016 1:30 AM 17.428 µg/m3 on Thursday, July 28, 2016 2:00 AM 17.2065 µg/m3 on Thursday, July 28, 2016 2:30 AM 17.3693 µg/m3 on Thursday, July 28, 2016 3:00 AM 17.5673 µg/m3 on Thursday, July 28, 2016 3:30 AM 17.5123 µg/m3 on Thursday, July 28, 2016 4:00 AM 17.6331 µg/m3 on Thursday, July 28, 2016 4:30 AM 17.8399 µg/m3 on Thursday, July 28, 2016 5:00 AM 17.9477 µg/m3 on Thursday, July 28, 2016 5:30 AM 18.1906 µg/m3 on Thursday, July 28, 2016 6:00 AM 18.1757 µg/m3 on Thursday, July 28, 2016 6:30 AM 19.0001 µg/m3 on Thursday, July 28, 2016 7:00 AM 19.1169 µg/m3 on Thursday, July 28, 2016 7:30 AM 19.0514 µg/m3 on Thursday, July 28, 2016 8:00 AM 19.2699 µg/m3 on Thursday, July 28, 2016 8:30 AM 19.1946 µg/m3 on Thursday, July 28, 2016 9:00 AM 19.462 µg/m3 on Thursday, July 28, 2016 9:30 AM 19.3773 µg/m3 on Thursday, July 28, 2016 10:00 AM 19.6686 µg/m3 on Thursday, July 28, 2016 10:30 AM 19.6327 µg/m3 on Thursday, July 28, 2016 11:00 AM 20.0068 µg/m3 on Thursday, July 28, 2016 11:30 AM 19.7798 µg/m3 on Thursday, July 28, 2016 12:00 PM 19.0362 µg/m3 on Thursday, July 28, 2016 12:30 PM 18.1857 µg/m3 on Thursday, July 28, 2016 1:00 PM 16.3238 µg/m3 on Thursday, July 28, 2016 1:30 PM 15.6538 µg/m3 on Thursday, July 28, 2016 2:00 PM 15.7798 µg/m3 on Thursday, July 28, 2016 2:30 PM 15.8518 µg/m3 on Thursday, July 28, 2016 3:00 PM 12.4222 µg/m3 on Thursday, July 28, 2016 3:30 PM 11.1938 µg/m3 on Thursday, July 28, 2016 4:00 PM 10.9301 µg/m3 on Thursday, July 28, 2016 4:30 PM 11.4221 µg/m3 on Thursday, July 28, 2016 5:00 PM 11.5167 µg/m3 on Thursday, July 28, 2016 5:30 PM 11.6212 µg/m3 on Thursday, July 28, 2016 6:00 PM 11.4858 µg/m3 on Thursday, July 28, 2016 6:30 PM 11.4058 µg/m3 on Thursday, July 28, 2016 7:00 PM 11.5924 µg/m3 on Thursday, July 28, 2016 7:30 PM 11.1979 µg/m3 on Thursday, July 28, 2016 8:00 PM 11.2279 µg/m3 on Thursday, July 28, 2016 8:30 PM 11.348 µg/m3 on Thursday, July 28, 2016 9:00 PM 11.2976 µg/m3 on Thursday, July 28, 2016 9:30 PM 11.4196 µg/m3 on Thursday, July 28, 2016 10:00 PM 11.2902 µg/m3 on Thursday, July 28, 2016 10:30 PM 11.3567 µg/m3 on Thursday, July 28, 2016 11:00 PM 11.3819 µg/m3 on Thursday, July 28, 2016 11:30 PM 11.4014 µg/m3 on Friday, July 29, 2016 12:00 AM 11.4816 µg/m3 on Friday, July 29, 2016 12:30 AM 11.2333 µg/m3 on Friday, July 29, 2016 1:00 AM 10.4833 µg/m3 on Friday, July 29, 2016 1:30 AM 11.6056 µg/m3 on Friday, July 29, 2016 2:00 AM 11.3831 µg/m3 on Friday, July 29, 2016 2:30 AM 10.4124 µg/m3 on Friday, July 29, 2016 3:00 AM 10.3971 µg/m3 on Friday, July 29, 2016 3:30 AM 10.5502 µg/m3 on Friday, July 29, 2016 4:00 AM 10.4968 µg/m3 on Friday, July 29, 2016 4:30 AM 10.5094 µg/m3 on Friday, July 29, 2016 5:00 AM 10.4564 µg/m3 on Friday, July 29, 2016 5:30 AM 10.5412 µg/m3 on Friday, July 29, 2016 6:00 AM 10.4829 µg/m3 on Friday, July 29, 2016 6:30 AM 10.5687 µg/m3 on Friday, July 29, 2016 7:00 AM 10.5791 µg/m3 on Friday, July 29, 2016 7:30 AM 10.5922 µg/m3 on Friday, July 29, 2016 8:00 AM 10.7058 µg/m3 on Friday, July 29, 2016 8:30 AM 10.7441 µg/m3 on Friday, July 29, 2016 9:00 AM 10.7758 µg/m3 on Friday, July 29, 2016 9:30 AM 10.7208 µg/m3 on Friday, July 29, 2016 10:00 AM 10.9646 µg/m3 on Friday, July 29, 2016 10:30 AM 10.9492 µg/m3 on Friday, July 29, 2016 11:00 AM 11.0854 µg/m3 on Friday, July 29, 2016 11:30 AM 11.1246 µg/m3 on Friday, July 29, 2016 12:00 PM 10.9095 µg/m3 on Friday, July 29, 2016 12:30 PM 11.255 µg/m3 on Friday, July 29, 2016 1:00 PM 11.1213 µg/m3 on Friday, July 29, 2016 1:30 PM 11.5122 µg/m3 on Friday, July 29, 2016 2:00 PM 11.4605 µg/m3 on Friday, July 29, 2016 2:30 PM 11.7288 µg/m3 on Friday, July 29, 2016 3:00 PM 11.7252 µg/m3 on Friday, July 29, 2016 3:30 PM 11.9932 µg/m3 on Friday, July 29, 2016 4:00 PM 11.7952 µg/m3 on Friday, July 29, 2016 4:30 PM 11.1309 µg/m3 on Friday, July 29, 2016 5:00 PM 11.5526 µg/m3 on Friday, July 29, 2016 5:30 PM 12.2163 µg/m3 on Friday, July 29, 2016 6:00 PM 11.8553 µg/m3 on Friday, July 29, 2016 6:30 PM 12.0308 µg/m3 on Friday, July 29, 2016 7:00 PM 12.6543 µg/m3 on Friday, July 29, 2016 7:30 PM 12.6278 µg/m3 on Friday, July 29, 2016 8:00 PM 12.7288 µg/m3 on Friday, July 29, 2016 8:30 PM 12.8108 µg/m3 on Friday, July 29, 2016 9:00 PM 12.8754 µg/m3 on Friday, July 29, 2016 9:30 PM 12.7906 µg/m3 on Friday, July 29, 2016 10:00 PM 12.9225 µg/m3 on Friday, July 29, 2016 10:30 PM 12.7978 µg/m3 on Friday, July 29, 2016 11:00 PM 12.9281 µg/m3 on Friday, July 29, 2016 11:30 PM 12.8741 µg/m3 on Saturday, July 30, 2016 12:00 AM 12.2276 µg/m3 on Saturday, July 30, 2016 12:30 AM 12.9224 µg/m3 on Saturday, July 30, 2016 1:00 AM 12.878 µg/m3 on Saturday, July 30, 2016 1:30 AM 12.314 µg/m3 on Saturday, July 30, 2016 2:00 AM 13.3035 µg/m3 on Saturday, July 30, 2016 2:30 AM 12.9489 µg/m3 on Saturday, July 30, 2016 3:00 AM 12.9636 µg/m3 on Saturday, July 30, 2016 3:30 AM 12.9153 µg/m3 on Saturday, July 30, 2016 4:00 AM 12.7263 µg/m3 on Saturday, July 30, 2016 4:30 AM 12.5153 µg/m3 on Saturday, July 30, 2016 5:00 AM 12.4834 µg/m3 on Saturday, July 30, 2016 5:30 AM 12.2805 µg/m3 on Saturday, July 30, 2016 6:00 AM 12.2782 µg/m3 on Saturday, July 30, 2016 6:30 AM 12.0632 µg/m3 on Saturday, July 30, 2016 7:00 AM 12.0498 µg/m3 on Saturday, July 30, 2016 7:30 AM 11.8779 µg/m3 on Saturday, July 30, 2016 8:00 AM 1.8378 µg/m3 on Wednesday, July 27, 2016 1:00 AM 1.8119 µg/m3 on Wednesday, July 27, 2016 1:30 AM 1.854 µg/m3 on Wednesday, July 27, 2016 2:00 AM 1.8167 µg/m3 on Wednesday, July 27, 2016 2:30 AM 1.7969 µg/m3 on Wednesday, July 27, 2016 3:00 AM 1.8558 µg/m3 on Wednesday, July 27, 2016 3:30 AM 1.8306 µg/m3 on Wednesday, July 27, 2016 4:00 AM 1.7988 µg/m3 on Wednesday, July 27, 2016 4:30 AM 1.7723 µg/m3 on Wednesday, July 27, 2016 5:00 AM 1.7806 µg/m3 on Wednesday, July 27, 2016 5:30 AM 1.7666 µg/m3 on Wednesday, July 27, 2016 6:00 AM 1.8049 µg/m3 on Wednesday, July 27, 2016 6:30 AM 1.8796 µg/m3 on Wednesday, July 27, 2016 7:00 AM 1.8742 µg/m3 on Wednesday, July 27, 2016 7:30 AM 1.8601 µg/m3 on Wednesday, July 27, 2016 8:00 AM 1.7565 µg/m3 on Wednesday, July 27, 2016 8:30 AM 1.9639 µg/m3 on Wednesday, July 27, 2016 9:00 AM 1.9753 µg/m3 on Wednesday, July 27, 2016 9:30 AM 1.9564 µg/m3 on Wednesday, July 27, 2016 10:00 AM 1.9834 µg/m3 on Wednesday, July 27, 2016 10:30 AM 1.9935 µg/m3 on Wednesday, July 27, 2016 11:00 AM 2.142 µg/m3 on Wednesday, July 27, 2016 11:30 AM 2.0581 µg/m3 on Wednesday, July 27, 2016 12:00 PM 2.2235 µg/m3 on Wednesday, July 27, 2016 12:30 PM 2.2754 µg/m3 on Wednesday, July 27, 2016 1:00 PM 2.3 µg/m3 on Wednesday, July 27, 2016 1:30 PM 2.4603 µg/m3 on Wednesday, July 27, 2016 2:00 PM 2.5347 µg/m3 on Wednesday, July 27, 2016 2:30 PM 2.4776 µg/m3 on Wednesday, July 27, 2016 3:00 PM 2.5243 µg/m3 on Wednesday, July 27, 2016 3:30 PM 2.5065 µg/m3 on Wednesday, July 27, 2016 4:00 PM 2.5451 µg/m3 on Wednesday, July 27, 2016 4:30 PM 2.4346 µg/m3 on Wednesday, July 27, 2016 5:00 PM 2.4835 µg/m3 on Wednesday, July 27, 2016 5:30 PM 2.3979 µg/m3 on Wednesday, July 27, 2016 6:00 PM 2.3945 µg/m3 on Wednesday, July 27, 2016 6:30 PM 2.4852 µg/m3 on Wednesday, July 27, 2016 7:00 PM 2.3821 µg/m3 on Wednesday, July 27, 2016 7:30 PM 2.399 µg/m3 on Wednesday, July 27, 2016 8:00 PM 2.4997 µg/m3 on Wednesday, July 27, 2016 8:30 PM 2.5559 µg/m3 on Wednesday, July 27, 2016 9:00 PM 2.481 µg/m3 on Wednesday, July 27, 2016 9:30 PM 2.4689 µg/m3 on Wednesday, July 27, 2016 10:00 PM 2.4119 µg/m3 on Wednesday, July 27, 2016 10:30 PM 2.394 µg/m3 on Wednesday, July 27, 2016 11:00 PM 2.4243 µg/m3 on Wednesday, July 27, 2016 11:30 PM 2.431 µg/m3 on Thursday, July 28, 2016 12:00 AM 2.3942 µg/m3 on Thursday, July 28, 2016 12:30 AM 2.3763 µg/m3 on Thursday, July 28, 2016 1:00 AM 2.4196 µg/m3 on Thursday, July 28, 2016 1:30 AM 2.438 µg/m3 on Thursday, July 28, 2016 2:00 AM 2.435 µg/m3 on Thursday, July 28, 2016 2:30 AM 2.4173 µg/m3 on Thursday, July 28, 2016 3:00 AM 2.4715 µg/m3 on Thursday, July 28, 2016 3:30 AM 2.5007 µg/m3 on Thursday, July 28, 2016 4:00 AM 2.5419 µg/m3 on Thursday, July 28, 2016 4:30 AM 2.5654 µg/m3 on Thursday, July 28, 2016 5:00 AM 2.682 µg/m3 on Thursday, July 28, 2016 5:30 AM 2.7101 µg/m3 on Thursday, July 28, 2016 6:00 AM 2.7626 µg/m3 on Thursday, July 28, 2016 6:30 AM 2.7901 µg/m3 on Thursday, July 28, 2016 7:00 AM 2.8465 µg/m3 on Thursday, July 28, 2016 7:30 AM 2.9011 µg/m3 on Thursday, July 28, 2016 8:00 AM 2.8696 µg/m3 on Thursday, July 28, 2016 8:30 AM 2.9202 µg/m3 on Thursday, July 28, 2016 9:00 AM 2.9342 µg/m3 on Thursday, July 28, 2016 9:30 AM 2.9827 µg/m3 on Thursday, July 28, 2016 10:00 AM 3.0071 µg/m3 on Thursday, July 28, 2016 10:30 AM 3.068 µg/m3 on Thursday, July 28, 2016 11:00 AM 3.041 µg/m3 on Thursday, July 28, 2016 11:30 AM 3.1177 µg/m3 on Thursday, July 28, 2016 12:00 PM 2.9907 µg/m3 on Thursday, July 28, 2016 12:30 PM 2.9611 µg/m3 on Thursday, July 28, 2016 1:00 PM 2.7927 µg/m3 on Thursday, July 28, 2016 1:30 PM 2.7976 µg/m3 on Thursday, July 28, 2016 2:00 PM 2.8039 µg/m3 on Thursday, July 28, 2016 2:30 PM 2.8901 µg/m3 on Thursday, July 28, 2016 3:00 PM 2.9376 µg/m3 on Thursday, July 28, 2016 3:30 PM 2.8657 µg/m3 on Thursday, July 28, 2016 4:00 PM 2.8794 µg/m3 on Thursday, July 28, 2016 4:30 PM 2.9103 µg/m3 on Thursday, July 28, 2016 5:00 PM 2.9298 µg/m3 on Thursday, July 28, 2016 5:30 PM 2.8342 µg/m3 on Thursday, July 28, 2016 6:00 PM 2.7461 µg/m3 on Thursday, July 28, 2016 6:30 PM 2.6699 µg/m3 on Thursday, July 28, 2016 7:00 PM 2.7281 µg/m3 on Thursday, July 28, 2016 7:30 PM 2.4987 µg/m3 on Thursday, July 28, 2016 8:00 PM 2.5586 µg/m3 on Thursday, July 28, 2016 8:30 PM 2.5842 µg/m3 on Thursday, July 28, 2016 9:00 PM 2.6005 µg/m3 on Thursday, July 28, 2016 9:30 PM 2.651 µg/m3 on Thursday, July 28, 2016 10:00 PM 2.5633 µg/m3 on Thursday, July 28, 2016 10:30 PM 2.5757 µg/m3 on Thursday, July 28, 2016 11:00 PM 2.5399 µg/m3 on Thursday, July 28, 2016 11:30 PM 2.5704 µg/m3 on Friday, July 29, 2016 12:00 AM 2.5748 µg/m3 on Friday, July 29, 2016 12:30 AM 2.7014 µg/m3 on Friday, July 29, 2016 1:00 AM 2.3995 µg/m3 on Friday, July 29, 2016 1:30 AM 2.6469 µg/m3 on Friday, July 29, 2016 2:00 AM 2.774 µg/m3 on Friday, July 29, 2016 2:30 AM 2.6386 µg/m3 on Friday, July 29, 2016 3:00 AM 2.606 µg/m3 on Friday, July 29, 2016 3:30 AM 2.7101 µg/m3 on Friday, July 29, 2016 4:00 AM 2.682 µg/m3 on Friday, July 29, 2016 4:30 AM 2.6938 µg/m3 on Friday, July 29, 2016 5:00 AM 2.6639 µg/m3 on Friday, July 29, 2016 5:30 AM 2.7584 µg/m3 on Friday, July 29, 2016 6:00 AM 2.7148 µg/m3 on Friday, July 29, 2016 6:30 AM 2.731 µg/m3 on Friday, July 29, 2016 7:00 AM 2.7572 µg/m3 on Friday, July 29, 2016 7:30 AM 2.7232 µg/m3 on Friday, July 29, 2016 8:00 AM 2.8046 µg/m3 on Friday, July 29, 2016 8:30 AM 2.7914 µg/m3 on Friday, July 29, 2016 9:00 AM 2.8225 µg/m3 on Friday, July 29, 2016 9:30 AM 2.7682 µg/m3 on Friday, July 29, 2016 10:00 AM 2.862 µg/m3 on Friday, July 29, 2016 10:30 AM 2.8381 µg/m3 on Friday, July 29, 2016 11:00 AM 2.8641 µg/m3 on Friday, July 29, 2016 11:30 AM 2.8944 µg/m3 on Friday, July 29, 2016 12:00 PM 2.8745 µg/m3 on Friday, July 29, 2016 12:30 PM 2.9789 µg/m3 on Friday, July 29, 2016 1:00 PM 2.9198 µg/m3 on Friday, July 29, 2016 1:30 PM 3.0367 µg/m3 on Friday, July 29, 2016 2:00 PM 3.0863 µg/m3 on Friday, July 29, 2016 2:30 PM 3.1562 µg/m3 on Friday, July 29, 2016 3:00 PM 2.9952 µg/m3 on Friday, July 29, 2016 3:30 PM 3.1742 µg/m3 on Friday, July 29, 2016 4:00 PM 3.1929 µg/m3 on Friday, July 29, 2016 4:30 PM 2.9254 µg/m3 on Friday, July 29, 2016 5:00 PM 2.9914 µg/m3 on Friday, July 29, 2016 5:30 PM 3.1188 µg/m3 on Friday, July 29, 2016 6:00 PM 3.226 µg/m3 on Friday, July 29, 2016 6:30 PM 3.3993 µg/m3 on Friday, July 29, 2016 7:00 PM 3.4102 µg/m3 on Friday, July 29, 2016 7:30 PM 3.4157 µg/m3 on Friday, July 29, 2016 8:00 PM 3.4697 µg/m3 on Friday, July 29, 2016 8:30 PM 3.5524 µg/m3 on Friday, July 29, 2016 9:00 PM 3.5845 µg/m3 on Friday, July 29, 2016 9:30 PM 3.5765 µg/m3 on Friday, July 29, 2016 10:00 PM 3.6024 µg/m3 on Friday, July 29, 2016 10:30 PM 3.5855 µg/m3 on Friday, July 29, 2016 11:00 PM 3.6861 µg/m3 on Friday, July 29, 2016 11:30 PM 3.6695 µg/m3 on Saturday, July 30, 2016 12:00 AM 3.6638 µg/m3 on Saturday, July 30, 2016 12:30 AM 3.7665 µg/m3 on Saturday, July 30, 2016 1:00 AM 3.7342 µg/m3 on Saturday, July 30, 2016 1:30 AM 3.5557 µg/m3 on Saturday, July 30, 2016 2:00 AM 3.7472 µg/m3 on Saturday, July 30, 2016 2:30 AM 3.566 µg/m3 on Saturday, July 30, 2016 3:00 AM 3.5693 µg/m3 on Saturday, July 30, 2016 3:30 AM 3.575 µg/m3 on Saturday, July 30, 2016 4:00 AM 3.4599 µg/m3 on Saturday, July 30, 2016 4:30 AM 3.3986 µg/m3 on Saturday, July 30, 2016 5:00 AM 3.3474 µg/m3 on Saturday, July 30, 2016 5:30 AM 3.2881 µg/m3 on Saturday, July 30, 2016 6:00 AM 3.2843 µg/m3 on Saturday, July 30, 2016 6:30 AM 3.202 µg/m3 on Saturday, July 30, 2016 7:00 AM 3.1958 µg/m3 on Saturday, July 30, 2016 7:30 AM 3.1484 µg/m3 on Saturday, July 30, 2016 8:00 AM
Date & TimePM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
7/30/2016 7:00:00 AM (MDT) 3.15 11.8779
7/30/2016 6:30:00 AM (MDT) 3.2 12.0498
7/30/2016 6:00:00 AM (MDT) 3.2 12.0632
7/30/2016 5:30:00 AM (MDT) 3.28 12.2782
7/30/2016 5:00:00 AM (MDT) 3.29 12.2805
7/30/2016 4:30:00 AM (MDT) 3.35 12.4834
7/30/2016 4:00:00 AM (MDT) 3.4 12.5153
7/30/2016 3:30:00 AM (MDT) 3.46 12.7263
7/30/2016 3:00:00 AM (MDT) 3.58 12.9153
7/30/2016 2:30:00 AM (MDT) 3.57 12.9636
7/30/2016 2:00:00 AM (MDT) 3.57 12.9489
7/30/2016 1:30:00 AM (MDT) 3.75 13.3035
7/30/2016 1:00:00 AM (MDT) 3.56 12.314
7/30/2016 12:30:00 AM (MDT) 3.73 12.878
7/30/2016 12:00:00 AM (MDT) 3.77 12.9224
7/29/2016 11:30:00 PM (MDT) 3.66 12.2276
7/29/2016 11:00:00 PM (MDT) 3.67 12.8741
7/29/2016 10:30:00 PM (MDT) 3.69 12.9281
7/29/2016 10:00:00 PM (MDT) 3.59 12.7978
7/29/2016 9:30:00 PM (MDT) 3.6 12.9225
7/29/2016 9:00:00 PM (MDT) 3.58 12.7906
7/29/2016 8:30:00 PM (MDT) 3.58 12.8754
7/29/2016 8:00:00 PM (MDT) 3.55 12.8108
7/29/2016 7:30:00 PM (MDT) 3.47 12.7288
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