Norristown, Pennsylvania, USA

Monitoring Station · Norristown, United States
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
36 8pm
25
25
37 11pm
50
50
50 2am
50
37
37 5am
25
25
25 8am
25
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Air Quality Trend (24h)

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Nearby Monitoring Stations

34
Norristown, Pennsylvania, USA
0.0 km
36
Norristown, Pennsylvania, USA
0.0 km
34
Norristown, Pennsylvania, USA
0.0 km
18
AMS ROX Station
9.1 km PM2.5: 4.2 µg/m³
17
8701 Germantown Ave
9.4 km PM2.5: 4.1 µg/m³
18
723 Wolcott Dr (2)
10.4 km PM2.5: 4.3 µg/m³
32
6237 Ridge Ave
11.5 km PM2.5: 7.8 µg/m³
18
629 E Allen Ln
11.8 km PM2.5: 4.4 µg/m³

Nearby Cities

18 Norristown 18 King of Prussia 18 Radnor 18 East Mount Airy 18 West Oak Lane 18 Lansdale 18 Havertown 18 Overbrook 18 Abington

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-11T23:03 UTC.