What is the air quality in Harrisburg today?

The current Air Quality Index (AQI) in Harrisburg is 42 (Good). PM2.5 concentration is 10.09 µg/m³.

What is the temperature in Harrisburg right now?

The current temperature in Harrisburg is 25.7°C (feels like 25.7°C). Humidity is 53.3% and wind speed is 11.3 km/h.

Is it safe to go outside in Harrisburg?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Harrisburg, United States

Partly Cloudy

25.7°C · 53.3% humidity

25.7°

Feels 25.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

25 7pm

42 10pm

31 1am

27 4am

25 7am

24 10am

25 1pm

25 4pm

Air Quality Index Trend

44h · 7 stn

View full history →

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.

53.3%

Humidity

11.3 km/h

Wind ESE

1013.4 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.09 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Harrisburg?

Temperature & Precipitation

PM2.5 Trend

44h · 7 stations

PM2.510.09 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

10.09

Median

10.07

Average

9.1

Low

11.0

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -3.6

What is the 7-day forecast for Harrisburg?

07-22

25.7° 18.9°

1.06 mm

07-23

27.9° 16.5°

42.63 mm

07-24

26.9° 15.0°

2.63 mm

07-25

24.0° 19.5°

2.31 mm

07-26

28.0° 18.1°

5.44 mm

07-27

25.6° 22.0°

0.19 mm

07-28

33.4° 20.6°

2.94 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Harrisburg?

Harrisburg, Pennsylvania, USA

4.3 km PM2.5: 6.0 µg/m³

Hershey, Pennsylvania, USA

17.2 km PM2.5: 6.7 µg/m³

What cities are near Harrisburg?

45 Carlisle 30 York 34 Hanover 35 Chambersburg 32 Westminster 34 Hunt Valley 32 Reisterstown 34 Cockeysville 33 Bel Air North 33 North Bel Air

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-07-22T02:58 UTC.