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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
AugustSeptember 2014October
SunMonTueWedThuFriSat
31123456
78910111213
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2829301234
567891011
Select End Date
AugustSeptember 2014October
SunMonTueWedThuFriSat
31123456
78910111213
14151617181920
21222324252627
2829301234
567891011

PM 10 data are not currently available.

PM 2.5: 1.87125 µg/m3 on Sunday, September 21, 2014 2:30 AM PM 2.5: 1.86291666666667 µg/m3 on Sunday, September 21, 2014 2:00 AM PM 2.5: 1.87125 µg/m3 on Sunday, September 21, 2014 1:30 AM PM 2.5: 1.84625 µg/m3 on Sunday, September 21, 2014 1:00 AM PM 2.5: 1.83583333333333 µg/m3 on Sunday, September 21, 2014 12:30 AM PM 2.5: 1.815 µg/m3 on Sunday, September 21, 2014 12:00 AM PM 2.5: 1.79833333333333 µg/m3 on Saturday, September 20, 2014 11:30 PM PM 2.5: 1.77958333333333 µg/m3 on Saturday, September 20, 2014 11:00 PM PM 2.5: 1.72541666666667 µg/m3 on Saturday, September 20, 2014 10:30 PM PM 2.5: 1.70458333333333 µg/m3 on Saturday, September 20, 2014 10:00 PM PM 2.5: 1.665 µg/m3 on Saturday, September 20, 2014 9:30 PM PM 2.5: 1.615 µg/m3 on Saturday, September 20, 2014 9:00 PM PM 2.5: 1.56083333333333 µg/m3 on Saturday, September 20, 2014 8:30 PM PM 2.5: 1.51916666666667 µg/m3 on Saturday, September 20, 2014 8:00 PM PM 2.5: 1.50875 µg/m3 on Saturday, September 20, 2014 7:30 PM PM 2.5: 1.44416666666667 µg/m3 on Saturday, September 20, 2014 7:00 PM PM 2.5: 1.265 µg/m3 on Saturday, September 20, 2014 6:30 PM PM 2.5: 1.27541666666667 µg/m3 on Saturday, September 20, 2014 6:00 PM PM 2.5: 1.373125 µg/m3 on Saturday, September 20, 2014 5:30 PM PM 2.5: 1.44583333333333 µg/m3 on Saturday, September 20, 2014 5:00 PM PM 2.5: 1.51854166666667 µg/m3 on Saturday, September 20, 2014 4:30 PM PM 2.5: 1.49145833333333 µg/m3 on Saturday, September 20, 2014 4:00 PM PM 2.5: 1.49145833333333 µg/m3 on Saturday, September 20, 2014 3:30 PM PM 2.5: 1.48958333333333 µg/m3 on Saturday, September 20, 2014 3:00 PM PM 2.5: 1.48958333333333 µg/m3 on Saturday, September 20, 2014 2:30 PM PM 2.5: 1.48958333333333 µg/m3 on Saturday, September 20, 2014 2:00 PM PM 2.5: 1.48958333333333 µg/m3 on Saturday, September 20, 2014 1:30 PM PM 2.5: 1.485625 µg/m3 on Saturday, September 20, 2014 1:00 PM PM 2.5: 1.485625 µg/m3 on Saturday, September 20, 2014 12:30 PM PM 2.5: 1.47333333333333 µg/m3 on Saturday, September 20, 2014 12:00 PM PM 2.5: 1.47333333333333 µg/m3 on Saturday, September 20, 2014 11:30 AM PM 2.5: 1.47333333333333 µg/m3 on Saturday, September 20, 2014 11:00 AM PM 2.5: 1.48145833333333 µg/m3 on Saturday, September 20, 2014 10:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 10:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 9:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 9:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 8:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 8:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 7:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 7:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 6:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 6:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 5:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 5:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 4:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 4:00 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 3:30 AM PM 2.5: 1.3 µg/m3 on Saturday, September 20, 2014 3:00 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 2:30 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 2:00 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 1:30 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 1:00 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 12:30 AM PM 2.5: 1.2 µg/m3 on Saturday, September 20, 2014 12:00 AM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 11:30 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 11:00 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 10:30 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 10:00 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 9:30 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 9:00 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 8:30 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 8:00 PM PM 2.5: 3.4 µg/m3 on Friday, September 19, 2014 7:30 PM PM 2.5: 3.4 µg/m3 on Friday, September 19, 2014 7:00 PM PM 2.5: 4.3 µg/m3 on Friday, September 19, 2014 6:30 PM PM 2.5: 4.3 µg/m3 on Friday, September 19, 2014 6:00 PM PM 2.5: 3.7 µg/m3 on Friday, September 19, 2014 5:30 PM PM 2.5: 3.7 µg/m3 on Friday, September 19, 2014 5:00 PM PM 2.5: 1.9 µg/m3 on Friday, September 19, 2014 4:30 PM PM 2.5: 1.9 µg/m3 on Friday, September 19, 2014 4:00 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 3:30 PM PM 2.5: 1.4 µg/m3 on Friday, September 19, 2014 3:00 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 2:30 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 2:00 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 1:30 PM PM 2.5: 1.3 µg/m3 on Friday, September 19, 2014 1:00 PM PM 2.5: 1.2 µg/m3 on Friday, September 19, 2014 12:30 PM PM 2.5: 1.2 µg/m3 on Friday, September 19, 2014 12:00 PM PM 2.5: 4.10604166666667 µg/m3 on Friday, September 19, 2014 11:30 AM PM 2.5: 4.10604166666667 µg/m3 on Friday, September 19, 2014 11:00 AM PM 2.5: 4.09791666666667 µg/m3 on Friday, September 19, 2014 10:30 AM PM 2.5: 4.08354166666667 µg/m3 on Friday, September 19, 2014 10:00 AM PM 2.5: 4.054375 µg/m3 on Friday, September 19, 2014 9:30 AM PM 2.5: 4.05854166666667 µg/m3 on Friday, September 19, 2014 9:00 AM PM 2.5: 4.10645833333333 µg/m3 on Friday, September 19, 2014 8:30 AM PM 2.5: 4.11895833333333 µg/m3 on Friday, September 19, 2014 8:00 AM PM 2.5: 4.141875 µg/m3 on Friday, September 19, 2014 7:30 AM PM 2.5: 4.10854166666667 µg/m3 on Friday, September 19, 2014 7:00 AM PM 2.5: 4.104375 µg/m3 on Friday, September 19, 2014 6:30 AM PM 2.5: 4.12083333333333 µg/m3 on Friday, September 19, 2014 6:00 AM PM 2.5: 4.116875 µg/m3 on Friday, September 19, 2014 5:30 AM PM 2.5: 4.115 µg/m3 on Friday, September 19, 2014 5:00 AM PM 2.5: 4.09020833333333 µg/m3 on Friday, September 19, 2014 4:30 AM PM 2.5: 4.08 µg/m3 on Friday, September 19, 2014 4:00 AM PM 2.5: 4.06354166666667 µg/m3 on Friday, September 19, 2014 3:30 AM PM 2.5: 4.06354166666667 µg/m3 on Friday, September 19, 2014 3:00 AM PM 2.5: 4.06354166666667 µg/m3 on Friday, September 19, 2014 2:30 AM PM 2.5: 4.06354166666667 µg/m3 on Friday, September 19, 2014 2:00 AM PM 2.5: 4.06354166666667 µg/m3 on Friday, September 19, 2014 1:30 AM PM 2.5: 4.0575 µg/m3 on Friday, September 19, 2014 1:00 AM PM 2.5: 4.024375 µg/m3 on Friday, September 19, 2014 12:30 AM PM 2.5: 3.98083333333333 µg/m3 on Friday, September 19, 2014 12:00 AM PM 2.5: 3.91229166666667 µg/m3 on Thursday, September 18, 2014 11:30 PM PM 2.5: 3.85625 µg/m3 on Thursday, September 18, 2014 11:00 PM PM 2.5: 3.79604166666667 µg/m3 on Thursday, September 18, 2014 10:30 PM PM 2.5: 3.73583333333333 µg/m3 on Thursday, September 18, 2014 10:00 PM PM 2.5: 3.65479166666667 µg/m3 on Thursday, September 18, 2014 9:30 PM PM 2.5: 3.588125 µg/m3 on Thursday, September 18, 2014 9:00 PM PM 2.5: 3.57979166666667 µg/m3 on Thursday, September 18, 2014 8:30 PM PM 2.5: 3.52770833333333 µg/m3 on Thursday, September 18, 2014 8:00 PM PM 2.5: 2.30916666666667 µg/m3 on Thursday, September 18, 2014 7:30 PM PM 2.5: 1.43020833333333 µg/m3 on Thursday, September 18, 2014 7:00 PM PM 2.5: 0.734583333333334 µg/m3 on Thursday, September 18, 2014 6:30 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 6:00 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 5:30 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 5:00 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 4:30 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 4:00 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 3:30 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 3:00 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 2:30 PM PM 2.5: 0.438958333333334 µg/m3 on Thursday, September 18, 2014 2:00 PM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 1:30 PM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 1:00 PM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 12:30 PM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 12:00 PM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 11:30 AM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 11:00 AM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 10:30 AM PM 2.5: 0.438958333333333 µg/m3 on Thursday, September 18, 2014 10:00 AM PM 2.5: 0.426666666666667 µg/m3 on Thursday, September 18, 2014 9:30 AM PM 2.5: 0.41 µg/m3 on Thursday, September 18, 2014 9:00 AM PM 2.5: 0.349583333333333 µg/m3 on Thursday, September 18, 2014 8:30 AM PM 2.5: 0.31 µg/m3 on Thursday, September 18, 2014 8:00 AM PM 2.5: 0.285 µg/m3 on Thursday, September 18, 2014 7:30 AM PM 2.5: 0.312083333333333 µg/m3 on Thursday, September 18, 2014 7:00 AM PM 2.5: 0.34125 µg/m3 on Thursday, September 18, 2014 6:30 AM PM 2.5: 0.335 µg/m3 on Thursday, September 18, 2014 6:00 AM PM 2.5: 0.349375 µg/m3 on Thursday, September 18, 2014 5:30 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 5:00 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 4:30 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 4:00 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 3:30 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 3:00 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 2:30 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 2:00 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 1:30 AM PM 2.5: 0.35125 µg/m3 on Thursday, September 18, 2014 1:00 AM
Date & Time (MDT)PM 2.5 24-hour Average (µg/m3)PM 10 24-hour Average (µg/m3)
9/18/2014 1:00:05 AM 0.35
9/18/2014 1:30:05 AM 0.35
9/18/2014 2:00:05 AM 0.35
9/18/2014 2:30:05 AM 0.35
9/18/2014 3:00:05 AM 0.35
9/18/2014 3:30:05 AM 0.35
9/18/2014 4:00:05 AM 0.35
9/18/2014 4:30:05 AM 0.35
9/18/2014 5:00:05 AM 0.35
9/18/2014 5:30:05 AM 0.35
9/18/2014 6:00:05 AM 0.34
9/18/2014 6:30:05 AM 0.34
9/18/2014 7:00:05 AM 0.31
9/18/2014 7:30:05 AM 0.28
9/18/2014 8:00:05 AM 0.31
9/18/2014 8:30:05 AM 0.35
9/18/2014 9:00:05 AM 0.41
9/18/2014 9:30:05 AM 0.43
9/18/2014 10:00:05 AM 0.44
9/18/2014 10:30:05 AM 0.44
9/18/2014 11:00:05 AM 0.44
9/18/2014 11:30:05 AM 0.44
9/18/2014 12:00:05 PM 0.44
9/18/2014 12:30:05 PM 0.44
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This system operates on Daylight Saving Time (MDT) on a year-round basis.

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