Air Quality in Harrisburg, United States

Windy
11.0°C · 78.1% humidity
11.0°
Feels 11.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 10pm
25
25
26 1am
25
25
25 4am
25
25
25 7am
27
25
25 10am
27
27
27 1pm
27
27
27 4pm
27
34
27 7pm
27
34
AD 728×90

Air Quality Index Trend

46h · 1 stn

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

78.1%
Humidity
49.6 km/h
Wind W
1003.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Harrisburg?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.56.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Harrisburg?

06-09
29.4° 11.0°
0.06 mm
06-10
25.5° 20.8°
2.25 mm
06-11
23.7° 11.1°
06-12
28.4° 16.0°
2.31 mm
06-13
28.9° 17.6°
0.56 mm
06-14
23.3° 18.0°
8.25 mm
06-15
24.4° 13.2°
0.13 mm
Both models agree Avg diff: 6.0°C

Where are air quality stations near Harrisburg?

35
Harrisburg, Pennsylvania, USA
4.3 km PM2.5: 8.4 µg/m³
36
Hershey, Pennsylvania, USA
17.2 km PM2.5: 8.6 µg/m³

What cities are near Harrisburg?

26 Carlisle 43 York 30 Hanover 29 Chambersburg 30 Westminster 26 Hunt Valley 26 Reisterstown 26 Cockeysville 28 Bel Air North 28 North Bel Air
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T05:46 UTC.