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Montgomery Cnty(C+SE), MD
 Details for Montgomery Cnty(C+SE), MD Test Message
 Montgomery Cnty(NW), MD
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NOAA KHB36 Manassas

  • KHB36 Manassas

NOAA WXM42 Hagerstown

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Realtime PurpleAir Sensor Air Quality

Updated: Fri, 14-Mar-2025 2:20am EDT
 
52 Moderate
51-100: Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
 
Sensor 1

53
13 μg/m3

50
11.9 μg/m3

52
12.7 μg/m3

52
12.7 μg/m3

50
12 μg/m3

33
8 μg/m3
Real-Time
(page load)		 Short Term 30 Minutes 1 Hour 6 Hours 24 Hours
Sensor 2

53
13.2 μg/m3

53
13.2 μg/m3

55
13.8 μg/m3

55
13.8 μg/m3

53
13.1 μg/m3

36
8.7 μg/m3
Real-Time
(page load)		 Short Term 30 Minutes 1 Hour 6 Hours 24 Hours