Air Quality in Altoona, United States
Clear
26.2°C · 30.2% humidity
26.2°
Feels 26.2°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Altoona's air quality — share it
AQI Forecast
25
11pm
25
25
41
2am
36
33
31
5am
29
28
27
8am
26
26
26
11am
26
27
27
2pm
27
27
27
5pm
27
27
27
8pm
27
27
Air Quality Index Trend
46h · 1 stnAltoona's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
30.2%
Humidity
33.9 km/h
Wind NNW
1012.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.75 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Altoona?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.59.75 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Altoona?
08-03
26.2° 18.4°
9.13 mm
08-04
32.9° 15.4°
0.06 mm
08-05
33.3° 13.9°
2.0 mm
08-06
27.9° 16.9°
08-07
31.4° 17.4°
5.19 mm
08-08
33.6° 17.3°
1.37 mm
08-09
34.5° 19.9°
0.06 mm
Both models agree
Avg diff: 3.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T06:38 UTC.