Air Quality in Williamsport, United States

Heavy Rain
21.0°C · 95.4% humidity
21.0°
Feels 21.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 2pm
24
25
25 5pm
25
25
25 8pm
25
25
25 11pm
25
25
25 2am
25
25
25 5am
25
25
25 8am
24
24
24 11am
24
24
AD 728×90

Air Quality Index Trend

32h · 1 stn

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

95.4%
Humidity
48.1 km/h
Wind WSW
1014.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
25
6.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

32h · 1 station
PM2.56.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
05-29
19.0° 5.8°
0.06 mm
05-30
21.0° 10.8°
19.56 mm
05-31
28.5° 8.4°
06-01
28.2° 12.3°
0.56 mm
06-02
20.3° 7.3°
0.56 mm
06-03
25.2° 19.1°
2.94 mm
06-04
21.9° 18.3°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T21:09 UTC.