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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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View 30-Minute Averages

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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
FebruaryMarch 2014April
SunMonTueWedThuFriSat
2324252627281
2345678
9101112131415
16171819202122
23242526272829
303112345
Select End Date
FebruaryMarch 2014April
SunMonTueWedThuFriSat
2324252627281
2345678
9101112131415
16171819202122
23242526272829
303112345

PM 10 data are not currently available.

PM 2.5: 1.7 µg/m3 on Saturday, March 08, 2014 5:00 AM PM 2.5: 1.8 µg/m3 on Saturday, March 08, 2014 4:30 AM PM 2.5: 1.8 µg/m3 on Saturday, March 08, 2014 4:00 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 3:30 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 3:00 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 2:30 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 2:00 AM PM 2.5: 2.1 µg/m3 on Saturday, March 08, 2014 1:30 AM PM 2.5: 2.1 µg/m3 on Saturday, March 08, 2014 1:00 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 12:30 AM PM 2.5: 2 µg/m3 on Saturday, March 08, 2014 12:00 AM PM 2.5: 2 µg/m3 on Friday, March 07, 2014 11:30 PM PM 2.5: 2 µg/m3 on Friday, March 07, 2014 11:00 PM PM 2.5: 2 µg/m3 on Friday, March 07, 2014 10:30 PM PM 2.5: 2 µg/m3 on Friday, March 07, 2014 10:00 PM PM 2.5: 2.1 µg/m3 on Friday, March 07, 2014 9:30 PM PM 2.5: 2.1 µg/m3 on Friday, March 07, 2014 9:00 PM PM 2.5: 2.2 µg/m3 on Friday, March 07, 2014 8:30 PM PM 2.5: 2.2 µg/m3 on Friday, March 07, 2014 8:00 PM PM 2.5: 2.3 µg/m3 on Friday, March 07, 2014 7:30 PM PM 2.5: 2.3 µg/m3 on Friday, March 07, 2014 7:00 PM PM 2.5: 2.5 µg/m3 on Friday, March 07, 2014 6:30 PM PM 2.5: 2.5 µg/m3 on Friday, March 07, 2014 6:00 PM PM 2.5: 2.7 µg/m3 on Friday, March 07, 2014 5:30 PM PM 2.5: 2.7 µg/m3 on Friday, March 07, 2014 5:00 PM PM 2.5: 2.6 µg/m3 on Friday, March 07, 2014 4:30 PM PM 2.5: 2.6 µg/m3 on Friday, March 07, 2014 4:00 PM PM 2.5: 2.7 µg/m3 on Friday, March 07, 2014 3:30 PM PM 2.5: 2.7 µg/m3 on Friday, March 07, 2014 3:00 PM PM 2.5: 2.6 µg/m3 on Friday, March 07, 2014 2:30 PM PM 2.5: 2.6 µg/m3 on Friday, March 07, 2014 2:00 PM PM 2.5: 2.4 µg/m3 on Friday, March 07, 2014 1:30 PM PM 2.5: 2.4 µg/m3 on Friday, March 07, 2014 1:00 PM PM 2.5: 2.1 µg/m3 on Friday, March 07, 2014 12:30 PM PM 2.5: 2.1 µg/m3 on Friday, March 07, 2014 12:00 PM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 11:30 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 11:00 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 10:30 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 10:00 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 9:30 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 9:00 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 8:30 AM PM 2.5: 1.9 µg/m3 on Friday, March 07, 2014 8:00 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 7:30 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 7:00 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 6:30 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 6:00 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 5:30 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 5:00 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 4:30 AM PM 2.5: 1.8 µg/m3 on Friday, March 07, 2014 4:00 AM PM 2.5: 1.7 µg/m3 on Friday, March 07, 2014 3:30 AM PM 2.5: 1.7 µg/m3 on Friday, March 07, 2014 3:00 AM PM 2.5: 1.6 µg/m3 on Friday, March 07, 2014 2:30 AM PM 2.5: 1.6 µg/m3 on Friday, March 07, 2014 2:00 AM PM 2.5: 1.5 µg/m3 on Friday, March 07, 2014 1:30 AM PM 2.5: 1.5 µg/m3 on Friday, March 07, 2014 1:00 AM PM 2.5: 1.5 µg/m3 on Friday, March 07, 2014 12:30 AM PM 2.5: 1.5 µg/m3 on Friday, March 07, 2014 12:00 AM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 11:30 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 11:00 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 10:30 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 10:00 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 9:30 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 9:00 PM PM 2.5: 1.6 µg/m3 on Thursday, March 06, 2014 8:30 PM PM 2.5: 1.6 µg/m3 on Thursday, March 06, 2014 8:00 PM PM 2.5: 1.6 µg/m3 on Thursday, March 06, 2014 7:30 PM PM 2.5: 1.6 µg/m3 on Thursday, March 06, 2014 7:00 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 6:30 PM PM 2.5: 1.5 µg/m3 on Thursday, March 06, 2014 6:00 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 5:30 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 5:00 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 4:30 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 4:00 PM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 3:30 PM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 3:00 PM PM 2.5: 1.2 µg/m3 on Thursday, March 06, 2014 2:30 PM PM 2.5: 1.2 µg/m3 on Thursday, March 06, 2014 2:00 PM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 1:30 PM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 1:00 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 12:30 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 12:00 PM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 11:30 AM PM 2.5: 1.4 µg/m3 on Thursday, March 06, 2014 11:00 AM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 10:30 AM PM 2.5: 1.3 µg/m3 on Thursday, March 06, 2014 10:00 AM PM 2.5: 1.2 µg/m3 on Thursday, March 06, 2014 9:30 AM PM 2.5: 1.2 µg/m3 on Thursday, March 06, 2014 9:00 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 8:30 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 8:00 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 7:30 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 7:00 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 6:30 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 6:00 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 5:30 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 5:00 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 4:30 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 4:00 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 3:30 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 3:00 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 2:30 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 2:00 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 1:30 AM PM 2.5: 1.1 µg/m3 on Thursday, March 06, 2014 1:00 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 12:30 AM PM 2.5: 1 µg/m3 on Thursday, March 06, 2014 12:00 AM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 11:30 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 11:00 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 10:30 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 10:00 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 9:30 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 9:00 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 8:30 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 8:00 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 7:30 PM PM 2.5: 1 µg/m3 on Wednesday, March 05, 2014 7:00 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 6:30 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 6:00 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 5:30 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 5:00 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 4:30 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 4:00 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 3:30 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 3:00 PM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 2:30 PM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 2:00 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 1:30 PM PM 2.5: 1.1 µg/m3 on Wednesday, March 05, 2014 1:00 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 12:30 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 12:00 PM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 11:30 AM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 11:00 AM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 10:30 AM PM 2.5: 1.2 µg/m3 on Wednesday, March 05, 2014 10:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 9:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 9:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 8:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 8:00 AM PM 2.5: 1.4 µg/m3 on Wednesday, March 05, 2014 7:30 AM PM 2.5: 1.4 µg/m3 on Wednesday, March 05, 2014 7:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 6:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 6:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 5:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 5:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 4:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 4:00 AM PM 2.5: 1.4 µg/m3 on Wednesday, March 05, 2014 3:30 AM PM 2.5: 1.4 µg/m3 on Wednesday, March 05, 2014 3:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 2:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 2:00 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 1:30 AM PM 2.5: 1.3 µg/m3 on Wednesday, March 05, 2014 1:00 AM
Date & Time (MST)PM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
3/5/2014 12:00:05 AM 1.3
3/5/2014 12:30:05 AM 1.3
3/5/2014 1:00:05 AM 1.3
3/5/2014 1:30:05 AM 1.3
3/5/2014 2:00:05 AM 1.4
3/5/2014 2:30:05 AM 1.4
3/5/2014 3:00:05 AM 1.3
3/5/2014 3:30:05 AM 1.3
3/5/2014 4:00:05 AM 1.3
3/5/2014 4:30:05 AM 1.3
3/5/2014 5:00:05 AM 1.3
3/5/2014 5:30:05 AM 1.3
3/5/2014 6:00:05 AM 1.4
3/5/2014 6:30:05 AM 1.4
3/5/2014 7:00:05 AM 1.3
3/5/2014 7:30:05 AM 1.3
3/5/2014 8:00:05 AM 1.3
3/5/2014 8:30:05 AM 1.3
3/5/2014 9:00:05 AM 1.2
3/5/2014 9:30:05 AM 1.2
3/5/2014 10:00:05 AM 1.2
3/5/2014 10:30:05 AM 1.2
3/5/2014 11:00:05 AM 1.2
3/5/2014 11:30:05 AM 1.2
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