Air Quality in Radnor, United States

Clear
10.4°C · 43.7% humidity
10.4°
Feels 10.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
61 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
37 7pm
36
25
34 10pm
34
47
47 1am
47
47
47 4am
47
47
47 7am
47
72
72 10am
72
72
72 1pm
72
72
72 4pm
47
47
Station readings
37
36
25
CAMS model adj -3
37
37
37
37
37
50
50
50
50
50
50
50
50
50
75
75
75
75
75
75
75
75
50
50
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
43.7%
Humidity
33.8 km/h
Wind SSW
1031.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Radnor?

Temperature & Precipitation

PM2.59.24 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (61 stations within 25 km)
9.24
Median
9.29
Average
6.02
Low
11.29
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +8.4

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: 2.9°C

Where are air quality stations near Radnor?

40
AMS ROX Station
10.1 km PM2.5: 9.6 µg/m³
39
6906 City Ave
10.9 km PM2.5: 9.4 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
37
6237 Ridge Ave
12.2 km PM2.5: 8.8 µg/m³
44
723 Wolcott Dr (2)
12.8 km PM2.5: 10.5 µg/m³
36
5029 Ridge ave
13.0 km PM2.5: 8.6 µg/m³
44
8701 Germantown Ave
13.4 km PM2.5: 10.6 µg/m³
38
1620 N 52nd St
13.7 km PM2.5: 9.0 µg/m³
39
51 N 57th St
14.2 km PM2.5: 9.4 µg/m³

What cities are near Radnor?

39 King of Prussia 38 Havertown 39 Norristown 38 Overbrook 38 Drexel Hill 38 Haddington 38 East Mount Airy 38 Cobbs Creek 42 Phoenixville 38 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 2026-04-09T22:09 UTC.