Air Quality in State College, United States
Drizzle
21.7°C · 82.8% humidity
21.7°
Feels 21.7°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
State College's air quality — share it
AQI Forecast
25
4pm
25
25
61
7pm
51
45
38
10pm
34
32
29
1am
27
27
26
4am
25
25
25
7am
24
24
24
10am
25
25
25
1pm
24
24
Air Quality Index Trend
48h · 1 stnState College's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in State College is 1.1× the WHO 24-hour guideline of 15 µg/m³.
82.8%
Humidity
0.9 km/h
Wind WNW
1014.2 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.0 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for State College?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.517.0 µg/m³
×1.1 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX1.4
Low
What is the 7-day forecast for State College?
07-21
26.6° 18.4°
2.5 mm
07-22
21.7° 17.3°
2.06 mm
07-23
21.7° 15.0°
8.5 mm
07-24
24.6° 11.4°
2.38 mm
07-25
26.7° 16.9°
4.0 mm
07-26
26.5° 14.5°
5.06 mm
07-27
25.1° 20.0°
0.19 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near State College?
What cities are near State College?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:42 UTC.