Stay updated with real-time air quality in Norwalk, 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)
44
Good
Norwalk, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.20 μg/m³
0
55
155
255
425
605+
47.16 ppb
0
55
71
86
201
201+
4.15 ppb
0
36
76
186
605
1005+
3.32 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Norwalk, Iowa
Scroll To Air Quality MapLoading...
AQI 34
Good
1.81μg/m³
PM2.5
9.50μg/m³
PM10
36.80ppb
O3
0.60ppb
SO2
3.41ppb
NO2
0.39ppm
CO
AQI 34
Good
1.38μg/m³
PM2.5
5.92μg/m³
PM10
37.45ppb
O3
0.60ppb
SO2
3.38ppb
NO2
0.40ppm
CO
AQI 34
Good
2.10μg/m³
PM2.5
9.95μg/m³
PM10
36.66ppb
O3
0.60ppb
SO2
3.41ppb
NO2
0.39ppm
CO
AQI 31
Good
2.57μg/m³
PM2.5
15.24μg/m³
PM10
33.01ppb
O3
0.48ppb
SO2
3.34ppb
NO2
0.38ppm
CO
AQI 35
Good
2.59μg/m³
PM2.5
12.12μg/m³
PM10
37.79ppb
O3
0.60ppb
SO2
3.43ppb
NO2
0.40ppm
CO
AQI 35
Good
1.73μg/m³
PM2.5
7.37μg/m³
PM10
38.48ppb
O3
0.60ppb
SO2
3.39ppb
NO2
0.40ppm
CO
The air quality data for Iowa, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Norwalk, Iowa are available every hour.
Norwalk, Iowa experienced its worst air quality at 08:00:00, 2026-06-10.
The best air quality in Norwalk, Iowa was observed at 10:00:00 on 2026-06-11.
The air quality in Norwalk, Iowa right now is Good, with an AQI of 36.
In Norwalk, Iowa, O3 is the most frequently found pollutant.
When air quality in Norwalk, Iowa is compromised, staying indoors and wearing a mask can reduce health risks.
Norwalk, Iowa currently has a PM2.5 concentration of 2.038 μg/m3.
Norwalk, Iowa currently has a PM10 concentration of 8.97 μg/m3.
The current carbon monoxide (CO) level in Norwalk, Iowa is 0.389 ppm.
The current sulfur dioxide (SO2) concentration in Norwalk, Iowa is 0.474 ppb.
Norwalk, Iowa currently has an ozone (O3) concentration of 38.915 ppm.
The current level of nitrogen dioxide (NO2) in Norwalk, Iowa is 3.39 ppb.
All Rights Reserved © Ambee Inc. 2025