Norristown, Pennsylvania, USA Air Quality

Monitoring Station · Norristown, United States
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
27 1am
27
27
27 4am
27
27
20 7am
20
20
27 10am
27
20
20 1pm
20
20
— 4pm
—
—
— 7pm
—
—
— 10pm
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CAMS model adj -7
34
34
34
34
34
34
27
27
27
34
34
27
27
27
27

Air Quality Forecast (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

14
Norristown, Pennsylvania, USA
0.0 km PM2.5: 3.4 µg/m³
19
C077 ( 945 Manatawna Ave)
7.7 km PM2.5: 4.6 µg/m³
19
AMS ROX Station
9.2 km PM2.5: 4.6 µg/m³
18
8701 Germantown Ave
9.4 km PM2.5: 4.3 µg/m³
20
723 Wolcott Dr (2)
10.4 km PM2.5: 4.8 µg/m³
16
6237 Ridge Ave
11.5 km PM2.5: 3.8 µg/m³
19
629 E Allen Ln
11.8 km PM2.5: 4.6 µg/m³
18
6735 Germantown Ave
12.4 km PM2.5: 4.4 µg/m³

Nearby Cities

42 Norristown 42 King of Prussia 45 Radnor 45 East Mount Airy 45 West Oak Lane 42 Lansdale 46 Havertown 47 Overbrook 44 Abington

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T04:49 UTC.