Air Quality in Harrisburg, United States

Clear
28.5°C · 27.6% humidity
28.5°
Feels 28.5°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 8pm
27
27
41 11pm
44
41
59 2am
58
57
56 5am
55
55
28 8am
25
25
25 11am
25
25
27 2pm
27
34
34 5pm
27
34
AD 728×90

Air Quality Index Trend

39h · 3 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.

27.6%
Humidity
33.1 km/h
Wind N
1011.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
41
9.75 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Harrisburg?

Temperature & Precipitation

PM2.5 Trend

39h · 3 stations
PM2.59.75 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Harrisburg?

08-03
28.5° 19.1°
2.94 mm
08-04
35.9° 18.7°
0.19 mm
08-05
33.5° 17.9°
0.25 mm
08-06
30.3° 19.0°
08-07
35.0° 19.2°
2.94 mm
08-08
36.3° 19.2°
0.38 mm
08-09
36.9° 22.0°
Both models agree Avg diff: 3.7°C

Where are air quality stations near Harrisburg?

22
Harrisburg, Pennsylvania, USA
4.3 km PM2.5: 5.3 µg/m³
25
Hershey, Pennsylvania, USA
17.2 km PM2.5: 6.0 µg/m³

What cities are near Harrisburg?

41 Carlisle 41 York 37 Hanover 35 Chambersburg 24 Westminster 49 Hunt Valley 49 Reisterstown 49 Cockeysville 49 Bel Air North 38 North Bel Air
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:27 UTC.