Harrisburg, Pennsylvania, USA Air Quality
Monitoring Station
· Harrisburg, United States
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
39
10am
39
78
39
1pm
39
41
41
4pm
41
41
41
7pm
41
41
48
10pm
41
41
—
1am
—
—
—
4am
—
—
—
7am
—
—
Station readings
78
CAMS model
adj +14
25
25
27
25
25
27
27
27
27
27
27
27
34
27
27
Air Quality Forecast (24h)
PM2.524.9 µg/m³
×1.7 WHO
Moderate
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T13:50 UTC.