Stay updated with real-time air quality in Ottumwa, Iowa featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
38
Good
Ottumwa, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.04 μg/m³
0
55
155
255
425
605+
41.45 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
2.69 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ottumwa, Iowa
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AQI 35
Good
4.83μg/m³
PM2.5
21.00μg/m³
PM10
38.41ppb
O3
0.28ppb
SO2
0.78ppb
NO2
0.15ppm
CO
AQI 35
Good
4.96μg/m³
PM2.5
21.06μg/m³
PM10
38.49ppb
O3
0.28ppb
SO2
0.88ppb
NO2
0.15ppm
CO
AQI 35
Good
3.86μg/m³
PM2.5
17.00μg/m³
PM10
38.07ppb
O3
0.41ppb
SO2
0.73ppb
NO2
0.15ppm
CO
AQI 34
Good
5.50μg/m³
PM2.5
23.62μg/m³
PM10
37.13ppb
O3
0.30ppb
SO2
1.10ppb
NO2
0.15ppm
CO
AQI 37
Good
5.34μg/m³
PM2.5
23.07μg/m³
PM10
39.65ppb
O3
0.39ppb
SO2
3.15ppb
NO2
0.22ppm
CO
AQI 34
Good
4.89μg/m³
PM2.5
21.14μg/m³
PM10
36.78ppb
O3
0.37ppb
SO2
0.73ppb
NO2
0.15ppm
CO
Air quality data and pollutant measurements for Iowa, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Ottumwa, Iowa is updated every hour.
The worst air quality in Ottumwa, Iowa in the last 24 hours was observed at 07:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Ottumwa, Iowa was observed at 03:00:00 on 2026-03-09.
The current air quality in Ottumwa, Iowa is 38, categorized as Good based on real-time data.
The most common pollutant in Ottumwa, Iowa is O3.
If the air quality in Ottumwa, Iowa is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Ottumwa, Iowa is 6.437 μg/m3.
The current PM10 concentration at Ottumwa, Iowa is 30.037 μg/m3.
The current carbon monoxide (CO) concentration at Ottumwa, Iowa is 0.219 ppm.
The current sulfur dioxide (SO2) concentration at Ottumwa, Iowa is 0.326 ppb.
The current ozone (O3) concentration at Ottumwa, Iowa is 41.448 ppm.
The current nitrogen dioxide (NO2) concentration at Ottumwa, Iowa is 2.685 ppb.
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