Norristown, Pennsylvania, USA

Monitoring Station · Norristown, United States
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
58 6pm
37
37
37 9pm
37
37
50 12am
50
50
50 3am
50
50
50 6am
50
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— 9am
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— 12pm
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— 3pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

43
AMS ROX Station
9.1 km PM2.5: 10.4 µg/m³
50
8701 Germantown Ave
9.4 km PM2.5: 12.0 µg/m³
44
723 Wolcott Dr (2)
10.4 km PM2.5: 10.6 µg/m³
39
6237 Ridge Ave
11.5 km PM2.5: 9.3 µg/m³
42
629 E Allen Ln
11.8 km PM2.5: 10.0 µg/m³
40
6735 Germantown Ave
12.4 km PM2.5: 9.5 µg/m³
37
5029 Ridge ave
13.5 km PM2.5: 8.8 µg/m³
45
60 W Chelten Ave
14.2 km PM2.5: 10.9 µg/m³

Nearby Cities

39 Norristown 40 King of Prussia 39 Radnor 38 East Mount Airy 38 West Oak Lane 43 Lansdale 38 Havertown 38 Overbrook 38 Abington

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T21:12 UTC.