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 2018

May

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March

April 2018

May

Sun

Mon

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Sat

Date & Time

PM 2.5 24-hour Average (µg/m3)

PM 10 24-hour Average (µg/m3)

4/22/2018 1:00:00 PM (MDT)

1.85

7.1305

4/22/2018 12:30:00 PM (MDT)

1.78

6.9982

4/22/2018 12:00:00 PM (MDT)

1.91

7.3077

4/22/2018 11:30:00 AM (MDT)

1.84

7.1582

4/22/2018 11:00:00 AM (MDT)

1.97

7.4679

4/22/2018 10:30:00 AM (MDT)

1.96

7.4109

4/22/2018 10:00:00 AM (MDT)

2.04

7.6732

4/22/2018 9:30:00 AM (MDT)

2.1

7.8438

4/22/2018 9:00:00 AM (MDT)

2.03

7.7463

4/22/2018 8:30:00 AM (MDT)

2.06

7.85

4/22/2018 8:00:00 AM (MDT)

2.01

7.8138

4/22/2018 7:30:00 AM (MDT)

2.05

7.9601

4/22/2018 7:00:00 AM (MDT)

2.12

8.1051

4/22/2018 6:30:00 AM (MDT)

2.05

8.0436

4/22/2018 6:00:00 AM (MDT)

2.09

8.1659

4/22/2018 5:30:00 AM (MDT)

2.11

8.1979

4/22/2018 5:00:00 AM (MDT)

2.11

8.3383

4/22/2018 4:30:00 AM (MDT)

2.06

8.3724

4/22/2018 4:00:00 AM (MDT)

2.05

8.2861

4/22/2018 3:30:00 AM (MDT)

2.06

8.3379

4/22/2018 3:00:00 AM (MDT)

1.99

8.3253

4/22/2018 2:30:00 AM (MDT)

1.91

8.1997

4/22/2018 2:00:00 AM (MDT)

1.93

8.2238

4/22/2018 1:30:00 AM (MDT)

1.9

8.2262

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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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