Air Quality in Radnor, United States

Windy
13.3°C · 33.5% humidity
13.3°
Feels 13.3°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
61 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 3pm
34
35
34 6pm
32
32
32 9pm
32
32
45 12am
45
45
45 3am
45
45
45 6am
45
45
70 9am
70
70
70 12pm
70
70
Station readings
33
34
35
34
CAMS model adj -5
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
50
50
50
75
75
75
75
75
75
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
33.5%
Humidity
42.7 km/h
Wind S
1034.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Radnor?

Temperature & Precipitation

PM2.58.72 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (61 stations within 25 km)
8.72
Median
8.84
Average
7.32
Low
11.16
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +8.9

What is the 7-day forecast for Radnor?

04-09
13.3° 2.6°
04-10
17.9° 6.3°
04-11
21.1° 10.1°
04-12
19.8° 10.0°
04-13
22.3° 12.1°
04-14
26.7° 17.5°
04-15
24.0° 19.9°
0.31 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Radnor?

32
Norristown, Pennsylvania, USA
8.5 km
40
AMS ROX Station
10.1 km PM2.5: 9.7 µg/m³
37
6906 City Ave
10.9 km PM2.5: 8.8 µg/m³
35
C029 (5400 Lincoln Hwy)
11.8 km PM2.5: 8.4 µg/m³
35
CAMP - OEEC Installation 9
12.0 km PM2.5: 8.4 µg/m³
40
6237 Ridge Ave
12.2 km PM2.5: 9.6 µg/m³
47
723 Wolcott Dr (2)
12.8 km PM2.5: 11.2 µg/m³
36
5029 Ridge ave
13.0 km PM2.5: 8.7 µg/m³
45
8701 Germantown Ave
13.4 km PM2.5: 10.9 µg/m³
39
1620 N 52nd St
13.7 km PM2.5: 9.4 µg/m³

What cities are near Radnor?

38 King of Prussia 36 Havertown 37 Norristown 36 Overbrook 36 Drexel Hill 36 Haddington 36 East Mount Airy 36 Cobbs Creek 39 Phoenixville 36 Kingsessing

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:56 UTC.