Air Quality in Chambersburg, United States
Cloudy
21.0°C · 83.3% humidity
21.0°
Feels 21.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Chambersburg's air quality — share it
AQI Forecast
24
8am
24
24
26
11am
24
24
24
2pm
24
24
24
5pm
24
24
25
8pm
25
25
25
11pm
25
25
25
2am
25
25
25
5am
25
25
Air Quality Index Trend
37h · 1 stnChambersburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Chambersburg is 1.2× the WHO annual guideline of 5 µg/m³.
83.3%
Humidity
20.9 km/h
Wind ESE
1018.4 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.19 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chambersburg?
Temperature & Precipitation
PM2.5 Trend
37h · 1 stationPM2.56.19 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Chambersburg?
05-29
21.0° 9.0°
0.06 mm
05-30
25.4° 15.7°
7.69 mm
05-31
26.2° 7.7°
06-01
28.7° 11.9°
06-02
23.0° 8.3°
06-03
24.1° 20.3°
4.5 mm
06-04
21.9° 18.9°
0.13 mm
Both models agree
Avg diff: 4.3°C
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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 2026-05-29T15:23 UTC.