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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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FebruaryMarch 2014April
SunMonTueWedThuFriSat
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Select End Date
FebruaryMarch 2014April
SunMonTueWedThuFriSat
2324252627281
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9101112131415
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23242526272829
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PM 10 data are not currently available.

PM 2.5: 0.1 µg/m3 on Tuesday, March 11, 2014 9:30 AM PM 2.5: 0.1 µg/m3 on Tuesday, March 11, 2014 9:00 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 8:30 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 8:00 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 7:30 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 7:00 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 6:30 AM PM 2.5: 0.2 µg/m3 on Tuesday, March 11, 2014 6:00 AM PM 2.5: 0.1 µg/m3 on Tuesday, March 11, 2014 5:30 AM PM 2.5: 0.1 µg/m3 on Tuesday, March 11, 2014 5:00 AM PM 2.5: 0.762916666666667 µg/m3 on Tuesday, March 11, 2014 4:30 AM PM 2.5: 0.742083333333334 µg/m3 on Tuesday, March 11, 2014 4:00 AM PM 2.5: 0.727708333333334 µg/m3 on Tuesday, March 11, 2014 3:30 AM PM 2.5: 0.727708333333334 µg/m3 on Tuesday, March 11, 2014 3:00 AM PM 2.5: 0.709166666666667 µg/m3 on Tuesday, March 11, 2014 2:30 AM PM 2.5: 0.690625 µg/m3 on Tuesday, March 11, 2014 2:00 AM PM 2.5: 0.690625 µg/m3 on Tuesday, March 11, 2014 1:30 AM PM 2.5: 0.696666666666667 µg/m3 on Tuesday, March 11, 2014 1:00 AM PM 2.5: 0.700625 µg/m3 on Tuesday, March 11, 2014 12:30 AM PM 2.5: 0.698541666666667 µg/m3 on Tuesday, March 11, 2014 12:00 AM PM 2.5: 0.704583333333334 µg/m3 on Monday, March 10, 2014 11:30 PM PM 2.5: 0.727291666666667 µg/m3 on Monday, March 10, 2014 11:00 PM PM 2.5: 0.723125 µg/m3 on Monday, March 10, 2014 10:30 PM PM 2.5: 0.727291666666667 µg/m3 on Monday, March 10, 2014 10:00 PM PM 2.5: 0.716875 µg/m3 on Monday, March 10, 2014 9:30 PM PM 2.5: 0.685625 µg/m3 on Monday, March 10, 2014 9:00 PM PM 2.5: 0.681458333333334 µg/m3 on Monday, March 10, 2014 8:30 PM PM 2.5: 0.652291666666667 µg/m3 on Monday, March 10, 2014 8:00 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 7:30 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 7:00 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 6:30 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 6:00 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 5:30 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 5:00 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 4:30 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 4:00 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 3:30 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 3:00 PM PM 2.5: 0.5 µg/m3 on Monday, March 10, 2014 2:30 PM PM 2.5: 0.5 µg/m3 on Monday, March 10, 2014 2:00 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 1:30 PM PM 2.5: 0.4 µg/m3 on Monday, March 10, 2014 1:00 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 12:30 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 12:00 PM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 11:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 11:00 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 10:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 10:00 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 9:30 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 9:00 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 8:30 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 8:00 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 7:30 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 7:00 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 6:30 AM PM 2.5: 0.1 µg/m3 on Monday, March 10, 2014 6:00 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 5:30 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 5:00 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 4:30 AM PM 2.5: 0.2 µg/m3 on Monday, March 10, 2014 4:00 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 3:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 3:00 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 2:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 2:00 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 1:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 1:00 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 12:30 AM PM 2.5: 0.3 µg/m3 on Monday, March 10, 2014 12:00 AM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 11:30 PM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 11:00 PM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 10:30 PM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 10:00 PM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 9:30 PM PM 2.5: 0.2 µg/m3 on Sunday, March 09, 2014 9:00 PM PM 2.5: 0.3 µg/m3 on Sunday, March 09, 2014 8:30 PM PM 2.5: 0.3 µg/m3 on Sunday, March 09, 2014 8:00 PM PM 2.5: 0.4 µg/m3 on Sunday, March 09, 2014 7:30 PM PM 2.5: 0.4 µg/m3 on Sunday, March 09, 2014 7:00 PM PM 2.5: 0.5 µg/m3 on Sunday, March 09, 2014 6:30 PM PM 2.5: 0.5 µg/m3 on Sunday, March 09, 2014 6:00 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 5:30 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 5:00 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 4:30 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 4:00 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 3:30 PM PM 2.5: 0.8 µg/m3 on Sunday, March 09, 2014 3:00 PM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 2:30 PM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 2:00 PM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 1:30 PM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 1:00 PM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 12:30 PM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 12:00 PM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 11:30 AM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 11:00 AM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 10:30 AM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 10:00 AM PM 2.5: 1.1 µg/m3 on Sunday, March 09, 2014 9:30 AM PM 2.5: 1.1 µg/m3 on Sunday, March 09, 2014 9:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 8:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 8:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 7:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 7:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 6:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 6:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 5:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 5:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 4:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 4:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 3:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 3:00 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 2:30 AM PM 2.5: 0.9 µg/m3 on Sunday, March 09, 2014 2:00 AM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 1:30 AM PM 2.5: 1 µg/m3 on Sunday, March 09, 2014 1:00 AM PM 2.5: 1.1 µg/m3 on Sunday, March 09, 2014 12:30 AM PM 2.5: 1.1 µg/m3 on Sunday, March 09, 2014 12:00 AM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 11:30 PM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 11:00 PM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 10:30 PM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 10:00 PM PM 2.5: 1.4 µg/m3 on Saturday, March 08, 2014 9:30 PM PM 2.5: 1.4 µg/m3 on Saturday, March 08, 2014 9:00 PM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 8:30 PM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 8:00 PM PM 2.5: 1.2 µg/m3 on Saturday, March 08, 2014 7:30 PM PM 2.5: 1.2 µg/m3 on Saturday, March 08, 2014 7:00 PM PM 2.5: 1.1 µg/m3 on Saturday, March 08, 2014 6:30 PM PM 2.5: 1.1 µg/m3 on Saturday, March 08, 2014 6:00 PM PM 2.5: 0.6 µg/m3 on Saturday, March 08, 2014 5:30 PM PM 2.5: 0.6 µg/m3 on Saturday, March 08, 2014 5:00 PM PM 2.5: 0.7 µg/m3 on Saturday, March 08, 2014 4:30 PM PM 2.5: 0.7 µg/m3 on Saturday, March 08, 2014 4:00 PM PM 2.5: 0.7 µg/m3 on Saturday, March 08, 2014 3:30 PM PM 2.5: 0.7 µg/m3 on Saturday, March 08, 2014 3:00 PM PM 2.5: 0.8 µg/m3 on Saturday, March 08, 2014 2:30 PM PM 2.5: 0.8 µg/m3 on Saturday, March 08, 2014 2:00 PM PM 2.5: 0.9 µg/m3 on Saturday, March 08, 2014 1:30 PM PM 2.5: 0.9 µg/m3 on Saturday, March 08, 2014 1:00 PM PM 2.5: 1 µg/m3 on Saturday, March 08, 2014 12:30 PM PM 2.5: 1 µg/m3 on Saturday, March 08, 2014 12:00 PM PM 2.5: 1.2 µg/m3 on Saturday, March 08, 2014 11:30 AM PM 2.5: 1.2 µg/m3 on Saturday, March 08, 2014 11:00 AM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 10:30 AM PM 2.5: 1.3 µg/m3 on Saturday, March 08, 2014 10:00 AM PM 2.5: 1.4 µg/m3 on Saturday, March 08, 2014 9:30 AM PM 2.5: 1.4 µg/m3 on Saturday, March 08, 2014 9:00 AM PM 2.5: 1.5 µg/m3 on Saturday, March 08, 2014 8:30 AM PM 2.5: 1.5 µg/m3 on Saturday, March 08, 2014 8:00 AM PM 2.5: 1.6 µg/m3 on Saturday, March 08, 2014 7:30 AM PM 2.5: 1.6 µg/m3 on Saturday, March 08, 2014 7:00 AM PM 2.5: 1.7 µg/m3 on Saturday, March 08, 2014 6:30 AM PM 2.5: 1.7 µg/m3 on Saturday, March 08, 2014 6:00 AM PM 2.5: 1.7 µg/m3 on Saturday, March 08, 2014 5:30 AM 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
Date & Time (MST)PM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
3/8/2014 12:00:05 AM 2.1
3/8/2014 12:30:05 AM 2.1
3/8/2014 1:00:05 AM 2
3/8/2014 1:30:05 AM 2
3/8/2014 2:00:05 AM 2
3/8/2014 2:30:05 AM 2
3/8/2014 3:00:05 AM 1.8
3/8/2014 3:30:05 AM 1.8
3/8/2014 4:00:05 AM 1.7
3/8/2014 4:30:05 AM 1.7
3/8/2014 5:00:05 AM 1.7
3/8/2014 5:30:05 AM 1.7
3/8/2014 6:00:05 AM 1.6
3/8/2014 6:30:05 AM 1.6
3/8/2014 7:00:05 AM 1.5
3/8/2014 7:30:05 AM 1.5
3/8/2014 8:00:05 AM 1.4
3/8/2014 8:30:05 AM 1.4
3/8/2014 9:00:05 AM 1.3
3/8/2014 9:30:05 AM 1.3
3/8/2014 10:00:05 AM 1.2
3/8/2014 10:30:05 AM 1.2
3/8/2014 11:00:05 AM 1
3/8/2014 11:30:05 AM 1
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