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)
33
Good
Fort Madison, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.58 μg/m³
0
55
155
255
425
605+
22.67 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
1.21 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fort Madison, Iowa
Fort Madison, Iowa
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AQI 33
Good
6.21μg/m³
PM2.5
27.77μg/m³
PM10
24.10ppb
O3
0.29ppb
SO2
1.15ppb
NO2
0.15ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
21.00μg/m³
PM10
23.77ppb
O3
0.33ppb
SO2
1.31ppb
NO2
0.15ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
18.78μg/m³
PM10
18.88ppb
O3
0.38ppb
SO2
1.66ppb
NO2
0.31ppm
CO
AQI 33
Good
5.54μg/m³
PM2.5
23.81μg/m³
PM10
25.50ppb
O3
0.31ppb
SO2
1.54ppb
NO2
0.16ppm
CO
AQI 49
Good
8.88μg/m³
PM2.5
38.92μg/m³
PM10
31.57ppb
O3
0.20ppb
SO2
2.12ppb
NO2
0.19ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
22.30μg/m³
PM10
26.65ppb
O3
0.34ppb
SO2
1.41ppb
NO2
0.26ppm
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 04:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Fort Madison, Iowa was observed at 12:00:00 on 2026-01-23.
The current air quality in Fort Madison, Iowa is 33, categorized as Good based on real-time data.
The most common pollutant in Fort Madison, Iowa is PM2.5.
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 5.715 μg/m3.
The current PM10 concentration at Fort Madison, Iowa is 24.58 μg/m3.
The current carbon monoxide (CO) concentration at Fort Madison, Iowa is 0.147 ppm.
The current sulfur dioxide (SO2) concentration at Fort Madison, Iowa is 0.301 ppb.
The current ozone (O3) concentration at Fort Madison, Iowa is 22.67 ppm.
The current nitrogen dioxide (NO2) concentration at Fort Madison, Iowa is 1.209 ppb.
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