Air Quality in Radnor, United States

Partly Cloudy
18.9°C · 63.6% humidity
18.9°
Feels 18.9°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
62 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
29 8pm
29
29
26 11pm
29
29
29 2am
29
29
29 5am
29
29
29 8am
27
27
27 11am
27
27
27 2pm
27
27
27 5pm
29
29
Station readings
18
20
29
CAMS model adj +2
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

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

63.6%
Humidity
9.7 km/h
Wind ESE
1016.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
26
6.16 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.56.16 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
6.16
Median
6.17
Average
4.92
Low
8.43
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.1
07-22
24.8° 18.9°
1.06 mm
07-23
28.9° 17.7°
16.06 mm
07-24
26.1° 18.7°
1.06 mm
07-25
31.3° 21.0°
6.31 mm
07-26
24.8° 19.2°
6.69 mm
07-27
26.6° 22.9°
0.44 mm
07-28
33.6° 21.7°
4.88 mm
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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 2026-07-22T03:13 UTC.