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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
JuneJuly 2014August
SunMonTueWedThuFriSat
293012345
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13141516171819
20212223242526
272829303112
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Select End Date
JuneJuly 2014August
SunMonTueWedThuFriSat
293012345
6789101112
13141516171819
20212223242526
272829303112
3456789

PM 10 data are not currently available.

PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 1:30 PM PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 1:00 PM PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 12:30 PM PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 12:00 PM PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 11:30 AM PM 2.5: 8.1 µg/m3 on Thursday, July 24, 2014 11:00 AM PM 2.5: 7.8 µg/m3 on Thursday, July 24, 2014 10:30 AM PM 2.5: 7.8 µg/m3 on Thursday, July 24, 2014 10:00 AM PM 2.5: 7.3 µg/m3 on Thursday, July 24, 2014 9:30 AM PM 2.5: 7.3 µg/m3 on Thursday, July 24, 2014 9:00 AM PM 2.5: 6.9 µg/m3 on Thursday, July 24, 2014 8:30 AM PM 2.5: 6.9 µg/m3 on Thursday, July 24, 2014 8:00 AM PM 2.5: 6.5 µg/m3 on Thursday, July 24, 2014 7:30 AM PM 2.5: 6.5 µg/m3 on Thursday, July 24, 2014 7:00 AM PM 2.5: 6.2 µg/m3 on Thursday, July 24, 2014 6:30 AM PM 2.5: 6.2 µg/m3 on Thursday, July 24, 2014 6:00 AM PM 2.5: 5.9 µg/m3 on Thursday, July 24, 2014 5:30 AM PM 2.5: 5.9 µg/m3 on Thursday, July 24, 2014 5:00 AM PM 2.5: 5.6 µg/m3 on Thursday, July 24, 2014 4:30 AM PM 2.5: 5.6 µg/m3 on Thursday, July 24, 2014 4:00 AM PM 2.5: 5.4 µg/m3 on Thursday, July 24, 2014 3:30 AM PM 2.5: 5.4 µg/m3 on Thursday, July 24, 2014 3:00 AM PM 2.5: 5 µg/m3 on Thursday, July 24, 2014 2:30 AM PM 2.5: 5 µg/m3 on Thursday, July 24, 2014 2:00 AM PM 2.5: 4.7 µg/m3 on Thursday, July 24, 2014 1:30 AM PM 2.5: 4.7 µg/m3 on Thursday, July 24, 2014 1:00 AM PM 2.5: 4.3 µg/m3 on Thursday, July 24, 2014 12:30 AM PM 2.5: 4.3 µg/m3 on Thursday, July 24, 2014 12:00 AM PM 2.5: 4 µg/m3 on Wednesday, July 23, 2014 11:30 PM PM 2.5: 4 µg/m3 on Wednesday, July 23, 2014 11:00 PM PM 2.5: 3.9 µg/m3 on Wednesday, July 23, 2014 10:30 PM PM 2.5: 3.9 µg/m3 on Wednesday, July 23, 2014 10:00 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 9:30 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 9:00 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 8:30 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 8:00 PM PM 2.5: 3.7 µg/m3 on Wednesday, July 23, 2014 7:30 PM PM 2.5: 3.7 µg/m3 on Wednesday, July 23, 2014 7:00 PM PM 2.5: 3.7 µg/m3 on Wednesday, July 23, 2014 6:30 PM PM 2.5: 3.7 µg/m3 on Wednesday, July 23, 2014 6:00 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 5:30 PM PM 2.5: 3.6 µg/m3 on Wednesday, July 23, 2014 5:00 PM PM 2.5: 3.2 µg/m3 on Wednesday, July 23, 2014 4:30 PM PM 2.5: 3.2 µg/m3 on Wednesday, July 23, 2014 4:00 PM PM 2.5: 2.9 µg/m3 on Wednesday, July 23, 2014 3:30 PM PM 2.5: 2.9 µg/m3 on Wednesday, July 23, 2014 3:00 PM PM 2.5: 2.9 µg/m3 on Wednesday, July 23, 2014 2:30 PM PM 2.5: 2.9 µg/m3 on Wednesday, July 23, 2014 2:00 PM PM 2.5: 2.5 µg/m3 on Wednesday, July 23, 2014 1:30 PM PM 2.5: 2.5 µg/m3 on Wednesday, July 23, 2014 1:00 PM PM 2.5: 2.2 µg/m3 on Wednesday, July 23, 2014 12:30 PM PM 2.5: 2.2 µg/m3 on Wednesday, July 23, 2014 12:00 PM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 11:30 AM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 11:00 AM PM 2.5: 1.8 µg/m3 on Wednesday, July 23, 2014 10:30 AM PM 2.5: 1.8 µg/m3 on Wednesday, July 23, 2014 10:00 AM PM 2.5: 1.8 µg/m3 on Wednesday, July 23, 2014 9:30 AM PM 2.5: 1.8 µg/m3 on Wednesday, July 23, 2014 9:00 AM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 8:30 AM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 8:00 AM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 7:30 AM PM 2.5: 1.9 µg/m3 on Wednesday, July 23, 2014 7:00 AM PM 2.5: 2 µg/m3 on Wednesday, July 23, 2014 6:30 AM PM 2.5: 2 µg/m3 on Wednesday, July 23, 2014 6:00 AM PM 2.5: 2.2 µg/m3 on Wednesday, July 23, 2014 5:30 AM PM 2.5: 2.2 µg/m3 on Wednesday, July 23, 2014 5:00 AM PM 2.5: 2.3 µg/m3 on Wednesday, July 23, 2014 4:30 AM PM 2.5: 2.3 µg/m3 on Wednesday, July 23, 2014 4:00 AM PM 2.5: 2.4 µg/m3 on Wednesday, July 23, 2014 3:30 AM PM 2.5: 2.4 µg/m3 on Wednesday, July 23, 2014 3:00 AM PM 2.5: 2.5 µg/m3 on Wednesday, July 23, 2014 2:30 AM PM 2.5: 2.5 µg/m3 on Wednesday, July 23, 2014 2:00 AM PM 2.5: 2.7 µg/m3 on Wednesday, July 23, 2014 1:30 AM PM 2.5: 2.7 µg/m3 on Wednesday, July 23, 2014 1:00 AM PM 2.5: 3 µg/m3 on Wednesday, July 23, 2014 12:30 AM PM 2.5: 3 µg/m3 on Wednesday, July 23, 2014 12:00 AM PM 2.5: 3.3 µg/m3 on Tuesday, July 22, 2014 6:00 PM PM 2.5: 3.2 µg/m3 on Tuesday, July 22, 2014 5:30 PM PM 2.5: 3.2 µg/m3 on Tuesday, July 22, 2014 5:00 PM PM 2.5: 3.3 µg/m3 on Tuesday, July 22, 2014 4:30 PM PM 2.5: 3.3 µg/m3 on Tuesday, July 22, 2014 4:00 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 3:30 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 3:00 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 2:30 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 2:00 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 1:30 PM PM 2.5: 3.6 µg/m3 on Tuesday, July 22, 2014 1:00 PM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 12:30 PM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 12:00 PM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 11:30 AM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 11:00 AM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 10:30 AM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 10:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 9:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 9:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 8:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 8:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 7:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 7:00 AM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 6:30 AM PM 2.5: 3.8 µg/m3 on Tuesday, July 22, 2014 6:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 5:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 5:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 4:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 4:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 3:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 3:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 2:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 2:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 1:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 1:00 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 12:30 AM PM 2.5: 3.7 µg/m3 on Tuesday, July 22, 2014 12:00 AM PM 2.5: 3.8 µg/m3 on Monday, July 21, 2014 11:30 PM PM 2.5: 3.8 µg/m3 on Monday, July 21, 2014 11:00 PM PM 2.5: 4.1 µg/m3 on Monday, July 21, 2014 10:30 PM PM 2.5: 4.1 µg/m3 on Monday, July 21, 2014 10:00 PM PM 2.5: 4.1 µg/m3 on Monday, July 21, 2014 9:30 PM PM 2.5: 4.1 µg/m3 on Monday, July 21, 2014 9:00 PM PM 2.5: 4 µg/m3 on Monday, July 21, 2014 8:30 PM PM 2.5: 4 µg/m3 on Monday, July 21, 2014 8:00 PM PM 2.5: 4 µg/m3 on Monday, July 21, 2014 7:30 PM PM 2.5: 4 µg/m3 on Monday, July 21, 2014 7:00 PM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 6:30 PM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 6:00 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 5:30 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 5:00 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 4:30 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 4:00 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 3:30 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 3:00 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 2:30 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 2:00 PM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 1:30 PM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 1:00 PM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 12:30 PM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 12:00 PM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 11:30 AM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 11:00 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 10:30 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 10:00 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 9:30 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 9:00 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 8:30 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 8:00 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 7:30 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 7:00 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 6:30 AM PM 2.5: 4.2 µg/m3 on Monday, July 21, 2014 6:00 AM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 5:30 AM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 5:00 AM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 4:30 AM PM 2.5: 4.3 µg/m3 on Monday, July 21, 2014 4:00 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 3:30 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 3:00 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 2:30 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 2:00 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 1:30 AM PM 2.5: 4.4 µg/m3 on Monday, July 21, 2014 1:00 AM
Date & Time (MDT)PM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
7/21/2014 1:00:05 AM 4.4
7/21/2014 1:30:05 AM 4.4
7/21/2014 2:00:05 AM 4.4
7/21/2014 2:30:05 AM 4.4
7/21/2014 3:00:05 AM 4.4
7/21/2014 3:30:05 AM 4.4
7/21/2014 4:00:05 AM 4.3
7/21/2014 4:30:05 AM 4.3
7/21/2014 5:00:05 AM 4.3
7/21/2014 5:30:05 AM 4.3
7/21/2014 6:00:05 AM 4.2
7/21/2014 6:30:05 AM 4.2
7/21/2014 7:00:05 AM 4.2
7/21/2014 7:30:05 AM 4.2
7/21/2014 8:00:05 AM 4.2
7/21/2014 8:30:05 AM 4.2
7/21/2014 9:00:05 AM 4.2
7/21/2014 9:30:05 AM 4.2
7/21/2014 10:00:05 AM 4.2
7/21/2014 10:30:05 AM 4.2
7/21/2014 11:00:05 AM 4.3
7/21/2014 11:30:05 AM 4.3
7/21/2014 12:00:05 PM 4.4
7/21/2014 12:30:05 PM 4.4
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