Stay updated with real-time air quality in Fort Madison, 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)
36
Good
Fort Madison, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.30 μg/m³
0
55
155
255
425
605+
38.73 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
0.65 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Fort Madison, Iowa
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AQI 35
Good
5.53μg/m³
PM2.5
23.32μg/m³
PM10
38.35ppb
O3
0.36ppb
SO2
0.74ppb
NO2
0.15ppm
CO
AQI 35
Good
6.06μg/m³
PM2.5
27.00μg/m³
PM10
38.14ppb
O3
0.35ppb
SO2
0.64ppb
NO2
0.15ppm
CO
AQI 36
Good
5.37μg/m³
PM2.5
26.91μg/m³
PM10
39.03ppb
O3
0.59ppb
SO2
2.46ppb
NO2
0.21ppm
CO
AQI 36
Good
6.00μg/m³
PM2.5
26.77μg/m³
PM10
39.32ppb
O3
0.39ppb
SO2
1.15ppb
NO2
0.16ppm
CO
AQI 36
Good
5.10μg/m³
PM2.5
25.08μg/m³
PM10
38.89ppb
O3
0.69ppb
SO2
3.33ppb
NO2
0.20ppm
CO
AQI 38
Good
6.44μg/m³
PM2.5
30.04μg/m³
PM10
41.45ppb
O3
0.33ppb
SO2
2.69ppb
NO2
0.22ppm
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 Fort Madison, Iowa is updated every hour.
The worst air quality in Fort Madison, Iowa in the last 24 hours was observed at 09:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Fort Madison, Iowa was observed at 04:00:00 on 2026-03-09.
The current air quality in Fort Madison, Iowa is 36, categorized as Good based on real-time data.
The most common pollutant in Fort Madison, Iowa is O3.
If the air quality in Fort Madison, Iowa is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Fort Madison, Iowa is 5.888 μg/m3.
The current PM10 concentration at Fort Madison, Iowa is 26.304 μg/m3.
The current carbon monoxide (CO) concentration at Fort Madison, Iowa is 0.151 ppm.
The current sulfur dioxide (SO2) concentration at Fort Madison, Iowa is 0.369 ppb.
The current ozone (O3) concentration at Fort Madison, Iowa is 38.725 ppm.
The current nitrogen dioxide (NO2) concentration at Fort Madison, Iowa is 0.654 ppb.
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