Air Quality in Altoona, United States

Drizzle
30.3°C · 43.5% humidity
30.3°
Feels 32.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 9am
24
24
25 12pm
24
24
24 3pm
24
24
24 6pm
24
25
25 9pm
25
25
25 12am
25
25
25 3am
25
25
25 6am
25
25
AD 728×90

Air Quality Index Trend

46h · 1 stn

Altoona'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 Altoona is 1.2× the WHO annual guideline of 5 µg/m³.

43.5%
Humidity
60.2 km/h
Wind WSW
1015.3 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Altoona?

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.55.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Altoona?

05-29
30.3° 5.2°
0.19 mm
05-30
19.9° 13.7°
6.44 mm
05-31
27.6° 6.2°
06-01
29.3° 10.9°
06-02
22.3° 6.8°
0.19 mm
06-03
24.5° 19.3°
5.63 mm
06-04
22.3° 18.3°
0.38 mm
Both models agree Avg diff: 4.6°C

Where are air quality stations near Altoona?

24
Altoona, Pennsylvania, USA
0.6 km PM2.5: 5.8 µg/m³

What cities are near Altoona?

26 Johnstown 18 State College 26 Chambersburg 26 Cumberland 25 Carlisle 57 Murrysville 53 Hagerstown 57 Plum 57 Monroeville 57 Penn Hills
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T16:08 UTC.