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)
54
Moderate
Fort Madison, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.85 μg/m³
0
55
155
255
425
605+
14.04 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
4.21 ppb
0
54
101
361
1250
2050+
0.20 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 52
Moderate
9.98μg/m³
PM2.5
44.41μg/m³
PM10
15.81ppb
O3
0.31ppb
SO2
3.98ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.83μg/m³
PM2.5
48.00μg/m³
PM10
18.00ppb
O3
0.32ppb
SO2
4.51ppb
NO2
0.21ppm
CO
AQI 64
Moderate
16.13μg/m³
PM2.5
65.08μg/m³
PM10
24.74ppb
O3
0.36ppb
SO2
4.65ppb
NO2
0.17ppm
CO
AQI 49
Good
9.42μg/m³
PM2.5
44.55μg/m³
PM10
17.19ppb
O3
0.32ppb
SO2
4.60ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.84μg/m³
PM2.5
70.75μg/m³
PM10
18.36ppb
O3
0.16ppb
SO2
5.16ppb
NO2
0.18ppm
CO
AQI 56
Moderate
11.71μg/m³
PM2.5
62.26μg/m³
PM10
17.52ppb
O3
0.18ppb
SO2
4.57ppb
NO2
0.18ppm
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 2025-12-06.
In the last 24 hrs, the best air quality in Fort Madison, Iowa was observed at 04:00:00 on 2025-12-07.
The current air quality in Fort Madison, Iowa is 54, categorized as Moderate 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 11.055 μg/m3.
The current PM10 concentration at Fort Madison, Iowa is 48.849 μg/m3.
The current carbon monoxide (CO) concentration at Fort Madison, Iowa is 0.202 ppm.
The current sulfur dioxide (SO2) concentration at Fort Madison, Iowa is 0.307 ppb.
The current ozone (O3) concentration at Fort Madison, Iowa is 14.036 ppm.
The current nitrogen dioxide (NO2) concentration at Fort Madison, Iowa is 4.206 ppb.
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