Air Quality in King of Prussia, United States

Partly Cloudy
19.9°C · 59.8% humidity
19.9°
Feels 19.9°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
39 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
8 3pm
8
8
20 6pm
17
14
12 9pm
11
10
10 12am
9
9
9 3am
8
8
8 6am
8
8
8 9am
8
8
7 12pm
7
8
Station readings
11
8
10
6
CAMS model adj -17
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
25
AD 728×90

Air Quality Index Trend

34h · 1 stn

King of Prussia's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

59.8%
Humidity
14.5 km/h
Wind SSW
1019.5 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.84 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for King of Prussia?

Temperature & Precipitation

PM2.5 Trend

34h · 1 station
PM2.54.84 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (39 stations within 25 km)
4.84
Median
4.88
Average
4.48
Low
5.85
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +1.2

What is the 7-day forecast for King of Prussia?

05-28
25.2° 20.2°
0.5 mm
05-29
20.2° 11.3°
0.06 mm
05-30
23.2° 10.2°
15.38 mm
05-31
28.8° 9.7°
06-01
28.0° 13.8°
06-02
21.9° 12.3°
06-03
25.5° 18.2°
3.69 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near King of Prussia?

33
Norristown, Pennsylvania, USA
7.8 km PM2.5: 7.9 µg/m³
20
C077 ( 945 Manatawna Ave)
13.9 km PM2.5: 4.9 µg/m³
19
AMS ROX Station
13.9 km PM2.5: 4.5 µg/m³
20
8701 Germantown Ave
16.0 km PM2.5: 4.7 µg/m³
20
723 Wolcott Dr (2)
16.2 km PM2.5: 4.8 µg/m³
19
6237 Ridge Ave
16.3 km PM2.5: 4.6 µg/m³
20
6906 City Ave
16.4 km PM2.5: 4.8 µg/m³
20
C029 (5400 Lincoln Hwy)
17.0 km PM2.5: 4.7 µg/m³
19
CAMP - OEEC Installation 9
17.4 km PM2.5: 4.5 µg/m³
19
5029 Ridge ave
17.6 km PM2.5: 4.5 µg/m³

What cities are near King of Prussia?

20 Radnor 20 Norristown 20 Phoenixville 20 Havertown 19 Overbrook 20 East Mount Airy 20 Drexel Hill 24 Limerick 20 Haddington 20 Lansdale
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T22:57 UTC.