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

Which pollutant is driving the AQI?

PM2.5▲
38
9.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Altoona?

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
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.8

What is the 7-day forecast for Altoona?

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
Both models agree Avg diff: 5.2°C

Where are air quality stations near Altoona?

90
Carpenter, Des Moines, Iowa, USA
15.5 km PM2.5: 30.6 µg/m³
70
Carpenter, Des Moines, Iowa, USA
15.5 km PM2.5: 21.1 µg/m³

What cities are near Altoona?

38 Des Moines 38 Ankeny 38 Johnston 38 Urbandale 38 West Des Moines 38 Clive 39 Indianola 38 Waukee 39 Ames 37 Marshalltown
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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.