Air Quality in Altoona, United States

Clear
24.1°C · 48.8% humidity
24.1°
Feels 24.1°
78
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
24 5pm
24
24
78 8pm
64
53
45 11pm
39
35
32 2am
30
29
28 5am
27
26
25 8am
26
26
25 11am
25
25
25 2pm
25
25
AD 728×90

Air Quality Index Trend

41h · 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 1.7× the WHO 24-hour guideline of 15 µg/m³.

48.8%
Humidity
5.3 km/h
Wind W
1011.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
78
24.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Altoona?

Temperature & Precipitation

PM2.5 Trend

41h · 1 station
PM2.524.9 µg/m³ ×1.7 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (1 station within 25 km)
24.9
Median
24.9
Average
24.9
Low
24.9
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -19.0

What is the 7-day forecast for Altoona?

06-09
29.8° 15.7°
06-10
25.8° 18.0°
3.81 mm
06-11
27.6° 20.0°
06-12
29.2° 21.4°
2.94 mm
06-13
26.5° 23.1°
3.19 mm
06-14
30.0° 9.2°
19.31 mm
06-15
28.9° 23.1°
0.25 mm
Both models agree Avg diff: 5.6°C

Where are air quality stations near Altoona?

46
Carpenter, Des Moines, Iowa, USA
15.5 km PM2.5: 11.0 µg/m³
41
Carpenter, Des Moines, Iowa, USA
15.5 km PM2.5: 9.8 µg/m³

What cities are near Altoona?

78 Des Moines 78 Ankeny 78 Johnston 78 Urbandale 78 West Des Moines 78 Clive 37 Indianola 78 Waukee 37 Ames 36 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 2026-06-09T01:01 UTC.