Norristown, Pennsylvania, USA

Monitoring Station · Norristown, United States
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
31 2pm
37
37
37 5pm
37
37
37 8pm
37
37
37 11pm
50
50
50 2am
50
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— 5am
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— 11am
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Air Quality Trend (24h)

Nearby Monitoring Stations

30
Norristown, Pennsylvania, USA
0.0 km
36
AMS ROX Station
9.1 km PM2.5: 8.7 µg/m³
44
8701 Germantown Ave
9.4 km PM2.5: 10.5 µg/m³
46
723 Wolcott Dr (2)
10.4 km PM2.5: 11.0 µg/m³
37
6237 Ridge Ave
11.5 km PM2.5: 8.9 µg/m³
40
629 E Allen Ln
11.8 km PM2.5: 9.6 µg/m³
36
6735 Germantown Ave
12.4 km PM2.5: 8.6 µg/m³
35
5029 Ridge ave
13.5 km PM2.5: 8.5 µg/m³

Nearby Cities

36 Norristown 36 King of Prussia 35 Radnor 35 East Mount Airy 35 West Oak Lane 40 Lansdale 35 Havertown 35 Overbrook 35 Abington

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T17:05 UTC.