Norristown, Pennsylvania, USA Air Quality

Monitoring Station · Norristown, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 11pm
55
35
35 2am
35
35
35 5am
35
28
28 8am
28
35
35 11am
28
28
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
CAMS model adj +1
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
C077 ( 945 Manatawna Ave)
7.7 km PM2.5: 4.2 µg/m³
18
AMS ROX Station
9.2 km PM2.5: 4.4 µg/m³
19
8701 Germantown Ave
9.4 km PM2.5: 4.5 µg/m³
20
723 Wolcott Dr (2)
10.4 km PM2.5: 4.9 µg/m³
16
6237 Ridge Ave
11.5 km PM2.5: 3.8 µg/m³
18
629 E Allen Ln
11.8 km PM2.5: 4.3 µg/m³
19
6735 Germantown Ave
12.4 km PM2.5: 4.5 µg/m³
20
5029 Ridge ave
13.5 km PM2.5: 4.8 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 2026-08-08T02:34 UTC.