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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March

April 2014

May

Sun

Mon

Tue

Wed

Thu

Fri

Sat

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March

April 2014

May

Sun

Mon

Tue

Wed

Thu

Fri

Sat

PM 10 data are not currently available.

Date & Time (MDT)

PM 2.5 24-hour Average (µg/m3)

PM 10 24-hour Average (µg/m3)

4/17/2014 1:00:05 AM

3.4

4/17/2014 1:30:05 AM

3.4

4/17/2014 2:00:05 AM

3.6

4/17/2014 2:30:05 AM

3.6

4/17/2014 3:00:05 AM

3.8

4/17/2014 3:30:05 AM

3.8

4/17/2014 4:00:05 AM

3.9

4/17/2014 4:30:05 AM

3.9

4/17/2014 5:00:05 AM

4.1

4/17/2014 5:30:05 AM

4.1

4/17/2014 6:00:05 AM

4.2

4/17/2014 6:30:05 AM

4.2

4/17/2014 7:00:05 AM

4.3

4/17/2014 7:30:05 AM

4.3

4/17/2014 8:00:05 AM

4.4

4/17/2014 8:30:05 AM

4.4

4/17/2014 9:00:05 AM

4.6

4/17/2014 9:30:05 AM

4.6

4/17/2014 10:00:05 AM

4.6

4/17/2014 10:30:05 AM

4.6

4/17/2014 11:00:05 AM

4.7

4/17/2014 11:30:05 AM

4.7

4/17/2014 12:00:05 PM

4.8

4/17/2014 12:30:05 PM

4.8

Last

This system operates on Daylight Saving Time (MDT) on a year-round basis.

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Monitoring Total Particulate Matter

Raw 24-Hour Averages Data for Old White Rock Fire Station

What We Monitor & Why

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