Air Quality in Ottumwa, United States
Clear
30.0°C · 48.3% humidity
30.0°
Feels 32.8°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Ottumwa's air quality — share it
AQI Forecast
25
7am
25
25
26
10am
25
25
25
1pm
25
25
25
4pm
25
25
25
7pm
25
25
25
10pm
24
24
24
1am
24
25
25
4am
25
27
Air Quality Index Trend
25h · 1 stnOttumwa'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 Ottumwa is 1.2× the WHO annual guideline of 5 µg/m³.
48.3%
Humidity
20.0 km/h
Wind SSW
1019.2 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Ottumwa?
Temperature & Precipitation
PM2.5 Trend
25h · 1 stationPM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
What is the 7-day forecast for Ottumwa?
05-29
30.0° 5.4°
05-30
21.5° 16.0°
13.06 mm
05-31
29.0° 11.8°
06-01
27.0° 16.9°
14.38 mm
06-02
22.0° 15.8°
4.44 mm
06-03
29.2° 23.8°
06-04
24.7° 15.0°
0.75 mm
Both models agree
Avg diff: 5.0°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T15:23 UTC.