Air Quality in Altoona, United States

Cloudy
5.5°C · 73.8% humidity
5.5°
Feels 0.4°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 6am
25
25
38 9am
34
32
30 12pm
28
27
29 3pm
26
26
26 6pm
25
27
27 9pm
25
25
25 12am
25
25
24 3am
24
24
AD 728×90

Air Quality Index Trend

24h · 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 1.8× the WHO annual guideline of 5 µg/m³.

73.8%
Humidity
33.0 km/h
Wind ENE
1032.7 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
38
9.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.59.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.8
05-29
30.4° 5.5°
05-30
22.1° 15.2°
10.31 mm
05-31
28.8° 11.5°
06-01
28.3° 15.8°
13.5 mm
06-02
21.8° 16.7°
1.94 mm
06-03
30.5° 23.2°
06-04
24.4° 15.7°
0.44 mm
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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 2026-05-29T14:35 UTC.