Norristown, Pennsylvania, USA Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 10pm
25
55
35 1am
35
35
35 4am
35
35
28 7am
28
28
35 10am
35
28
— 1pm
—
—
— 4pm
—
—
— 7pm
—
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Station readings
30
25
CAMS model adj +1
27
34
54
34
34
34
34
34
34
27
27
27
34
34
27

Air Quality Forecast (24h)

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

19
C077 ( 945 Manatawna Ave)
7.7 km PM2.5: 4.6 µg/m³
20
AMS ROX Station
9.2 km PM2.5: 4.7 µg/m³
21
8701 Germantown Ave
9.4 km PM2.5: 5.0 µg/m³
22
723 Wolcott Dr (2)
10.4 km PM2.5: 5.2 µg/m³
18
6237 Ridge Ave
11.5 km PM2.5: 4.3 µg/m³
19
629 E Allen Ln
11.8 km PM2.5: 4.5 µg/m³
20
6735 Germantown Ave
12.4 km PM2.5: 4.9 µg/m³
24
5029 Ridge ave
13.5 km PM2.5: 5.7 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 2026-08-08T01:36 UTC.