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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)

Select Start Date
JulyAugust 2016September
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Select End Date
JulyAugust 2016September
SunMonTueWedThuFriSat
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-1 µg/m3 on Monday, August 29, 2016 9:30 AM -1 µg/m3 on Monday, August 29, 2016 10:00 AM -1 µg/m3 on Monday, August 29, 2016 10:30 AM 4.7045 µg/m3 on Monday, August 29, 2016 11:00 AM 4.4538 µg/m3 on Monday, August 29, 2016 11:30 AM 4.3478 µg/m3 on Monday, August 29, 2016 12:00 PM 4.5564 µg/m3 on Monday, August 29, 2016 12:30 PM 4.2525 µg/m3 on Monday, August 29, 2016 1:00 PM 4.1352 µg/m3 on Monday, August 29, 2016 1:30 PM 4.1615 µg/m3 on Monday, August 29, 2016 2:00 PM 4.1436 µg/m3 on Monday, August 29, 2016 2:30 PM 4.186 µg/m3 on Monday, August 29, 2016 3:00 PM 4.0831 µg/m3 on Monday, August 29, 2016 3:30 PM 4.0773 µg/m3 on Monday, August 29, 2016 4:00 PM 4.1247 µg/m3 on Monday, August 29, 2016 4:30 PM 4.1963 µg/m3 on Monday, August 29, 2016 5:00 PM 4.2178 µg/m3 on Monday, August 29, 2016 5:30 PM 4.5043 µg/m3 on Tuesday, August 30, 2016 10:00 AM 4.4207 µg/m3 on Tuesday, August 30, 2016 10:30 AM 4.2887 µg/m3 on Tuesday, August 30, 2016 11:00 AM 4.4862 µg/m3 on Tuesday, August 30, 2016 11:30 AM 4.6544 µg/m3 on Tuesday, August 30, 2016 12:00 PM 4.7647 µg/m3 on Tuesday, August 30, 2016 12:30 PM 4.8904 µg/m3 on Tuesday, August 30, 2016 1:00 PM 5.0543 µg/m3 on Tuesday, August 30, 2016 1:30 PM 4.9641 µg/m3 on Tuesday, August 30, 2016 2:00 PM 5.1999 µg/m3 on Tuesday, August 30, 2016 2:30 PM 5.2987 µg/m3 on Tuesday, August 30, 2016 3:00 PM 5.2273 µg/m3 on Tuesday, August 30, 2016 3:30 PM 5.3202 µg/m3 on Tuesday, August 30, 2016 4:00 PM 5.1443 µg/m3 on Tuesday, August 30, 2016 4:30 PM 5.4047 µg/m3 on Tuesday, August 30, 2016 5:00 PM 5.346 µg/m3 on Tuesday, August 30, 2016 5:30 PM 5.1901 µg/m3 on Tuesday, August 30, 2016 6:00 PM 5.7286 µg/m3 on Tuesday, August 30, 2016 6:30 PM 5.5913 µg/m3 on Tuesday, August 30, 2016 7:00 PM 5.461 µg/m3 on Tuesday, August 30, 2016 7:30 PM 6.2645 µg/m3 on Tuesday, August 30, 2016 8:00 PM 6.3536 µg/m3 on Tuesday, August 30, 2016 8:30 PM 6.49 µg/m3 on Tuesday, August 30, 2016 9:00 PM 6.615 µg/m3 on Tuesday, August 30, 2016 9:30 PM 6.7045 µg/m3 on Tuesday, August 30, 2016 10:00 PM 6.7395 µg/m3 on Tuesday, August 30, 2016 10:30 PM 6.7367 µg/m3 on Tuesday, August 30, 2016 11:00 PM 6.7625 µg/m3 on Tuesday, August 30, 2016 11:30 PM 6.781 µg/m3 on Wednesday, August 31, 2016 12:00 AM 6.8418 µg/m3 on Wednesday, August 31, 2016 12:30 AM 6.7775 µg/m3 on Wednesday, August 31, 2016 1:00 AM 6.7847 µg/m3 on Wednesday, August 31, 2016 1:30 AM 6.7016 µg/m3 on Wednesday, August 31, 2016 2:00 AM 6.708 µg/m3 on Wednesday, August 31, 2016 2:30 AM 6.5928 µg/m3 on Wednesday, August 31, 2016 3:00 AM -1 µg/m3 on Monday, August 29, 2016 9:30 AM -1 µg/m3 on Monday, August 29, 2016 10:00 AM -1 µg/m3 on Monday, August 29, 2016 10:30 AM 0.6088 µg/m3 on Monday, August 29, 2016 11:00 AM 0.394 µg/m3 on Monday, August 29, 2016 11:30 AM 0.3801 µg/m3 on Monday, August 29, 2016 12:00 PM 0.5225 µg/m3 on Monday, August 29, 2016 12:30 PM 0.363 µg/m3 on Monday, August 29, 2016 1:00 PM 0.1802 µg/m3 on Monday, August 29, 2016 1:30 PM 0.2333 µg/m3 on Monday, August 29, 2016 2:00 PM 0.1856 µg/m3 on Monday, August 29, 2016 2:30 PM 0.2571 µg/m3 on Monday, August 29, 2016 3:00 PM 0.0506 µg/m3 on Monday, August 29, 2016 3:30 PM 0.0443 µg/m3 on Monday, August 29, 2016 4:00 PM 0.0554 µg/m3 on Monday, August 29, 2016 4:30 PM 0.0436 µg/m3 on Monday, August 29, 2016 5:00 PM 0.0682 µg/m3 on Monday, August 29, 2016 5:30 PM 0.152 µg/m3 on Tuesday, August 30, 2016 10:00 AM 0.1048 µg/m3 on Tuesday, August 30, 2016 10:30 AM 0 µg/m3 on Tuesday, August 30, 2016 11:00 AM 0.0938 µg/m3 on Tuesday, August 30, 2016 11:30 AM 0.176 µg/m3 on Tuesday, August 30, 2016 12:00 PM 0.2485 µg/m3 on Tuesday, August 30, 2016 12:30 PM 0.3066 µg/m3 on Tuesday, August 30, 2016 1:00 PM 0.3908 µg/m3 on Tuesday, August 30, 2016 1:30 PM 0.2677 µg/m3 on Tuesday, August 30, 2016 2:00 PM 0.3622 µg/m3 on Tuesday, August 30, 2016 2:30 PM 0.4027 µg/m3 on Tuesday, August 30, 2016 3:00 PM 0.3648 µg/m3 on Tuesday, August 30, 2016 3:30 PM 0.3783 µg/m3 on Tuesday, August 30, 2016 4:00 PM 0.2632 µg/m3 on Tuesday, August 30, 2016 4:30 PM 0.4581 µg/m3 on Tuesday, August 30, 2016 5:00 PM 0.4051 µg/m3 on Tuesday, August 30, 2016 5:30 PM 0.295 µg/m3 on Tuesday, August 30, 2016 6:00 PM 0.3887 µg/m3 on Tuesday, August 30, 2016 6:30 PM 0.3744 µg/m3 on Tuesday, August 30, 2016 7:00 PM 0.333 µg/m3 on Tuesday, August 30, 2016 7:30 PM 0.5171 µg/m3 on Tuesday, August 30, 2016 8:00 PM 0.561 µg/m3 on Tuesday, August 30, 2016 8:30 PM 0.6667 µg/m3 on Tuesday, August 30, 2016 9:00 PM 0.7131 µg/m3 on Tuesday, August 30, 2016 9:30 PM 0.7588 µg/m3 on Tuesday, August 30, 2016 10:00 PM 0.911 µg/m3 on Tuesday, August 30, 2016 10:30 PM 0.9262 µg/m3 on Tuesday, August 30, 2016 11:00 PM 0.9509 µg/m3 on Tuesday, August 30, 2016 11:30 PM 1.0505 µg/m3 on Wednesday, August 31, 2016 12:00 AM 1.1083 µg/m3 on Wednesday, August 31, 2016 12:30 AM 1.1549 µg/m3 on Wednesday, August 31, 2016 1:00 AM 1.1631 µg/m3 on Wednesday, August 31, 2016 1:30 AM 1.1814 µg/m3 on Wednesday, August 31, 2016 2:00 AM 1.1894 µg/m3 on Wednesday, August 31, 2016 2:30 AM 1.1872 µg/m3 on Wednesday, August 31, 2016 3:00 AM
Date & TimePM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
8/31/2016 2:00:00 AM (MDT) 1.19 6.5928
8/31/2016 1:30:00 AM (MDT) 1.19 6.708
8/31/2016 1:00:00 AM (MDT) 1.18 6.7016
8/31/2016 12:30:00 AM (MDT) 1.16 6.7847
8/31/2016 12:00:00 AM (MDT) 1.15 6.7775
8/30/2016 11:30:00 PM (MDT) 1.11 6.8418
8/30/2016 11:00:00 PM (MDT) 1.05 6.781
8/30/2016 10:30:00 PM (MDT) 0.95 6.7625
8/30/2016 10:00:00 PM (MDT) 0.93 6.7367
8/30/2016 9:30:00 PM (MDT) 0.91 6.7395
8/30/2016 9:00:00 PM (MDT) 0.76 6.7045
8/30/2016 8:30:00 PM (MDT) 0.71 6.615
8/30/2016 8:00:00 PM (MDT) 0.67 6.49
8/30/2016 7:30:00 PM (MDT) 0.56 6.3536
8/30/2016 7:00:00 PM (MDT) 0.52 6.2645
8/30/2016 6:30:00 PM (MDT) 0.33 5.461
8/30/2016 6:00:00 PM (MDT) 0.37 5.5913
8/30/2016 5:30:00 PM (MDT) 0.39 5.7286
8/30/2016 5:00:00 PM (MDT) 0.3 5.1901
8/30/2016 4:30:00 PM (MDT) 0.41 5.346
8/30/2016 4:00:00 PM (MDT) 0.46 5.4047
8/30/2016 3:30:00 PM (MDT) 0.26 5.1443
8/30/2016 3:00:00 PM (MDT) 0.38 5.3202
8/30/2016 2:30:00 PM (MDT) 0.36 5.2273
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