Norristown, Pennsylvania, USA Air Quality

Monitoring Station · Norristown, United States
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 4am
14
30
30 7am
30
30
30 10am
30
30
37 1pm
37
37
37 4pm
57
57
— 7pm
—
—
— 10pm
—
—
— 1am
—
—
Station readings
26
14
CAMS model adj +3
27
27
27
27
27
27
27
27
27
34
34
34
34
54
54

Air Quality Forecast (24h)

PM2.53.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
C077 ( 945 Manatawna Ave)
7.7 km PM2.5: 4.3 µg/m³
30
AMS ROX Station
9.1 km PM2.5: 7.1 µg/m³
18
8701 Germantown Ave
9.4 km PM2.5: 4.2 µg/m³
18
723 Wolcott Dr (2)
10.4 km PM2.5: 4.4 µg/m³
17
6237 Ridge Ave
11.5 km PM2.5: 4.0 µg/m³
18
629 E Allen Ln
11.8 km PM2.5: 4.3 µg/m³
18
6735 Germantown Ave
12.4 km PM2.5: 4.4 µg/m³
18
5029 Ridge ave
13.5 km PM2.5: 4.2 µg/m³

Nearby Cities

19 Norristown 18 King of Prussia 19 Radnor 18 East Mount Airy 19 West Oak Lane 19 Lansdale 18 Havertown 17 Overbrook 19 Abington

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T07:44 UTC.