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)
20
Good
Norwalk, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.26 μg/m³
0
55
155
255
425
605+
21.80 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
5.05 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Norwalk, Iowa
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AQI 19
Good
1.60μg/m³
PM2.5
7.37μg/m³
PM10
21.14ppb
O3
0.56ppb
SO2
4.29ppb
NO2
0.12ppm
CO
AQI 19
Good
0.91μg/m³
PM2.5
4.00μg/m³
PM10
21.30ppb
O3
0.55ppb
SO2
4.29ppb
NO2
0.12ppm
CO
AQI 19
Good
1.54μg/m³
PM2.5
7.44μg/m³
PM10
20.95ppb
O3
0.56ppb
SO2
4.28ppb
NO2
0.12ppm
CO
AQI 19
Good
1.90μg/m³
PM2.5
9.66μg/m³
PM10
19.66ppb
O3
0.55ppb
SO2
4.04ppb
NO2
0.12ppm
CO
AQI 19
Good
1.76μg/m³
PM2.5
8.19μg/m³
PM10
20.30ppb
O3
0.57ppb
SO2
4.26ppb
NO2
0.12ppm
CO
AQI 19
Good
1.44μg/m³
PM2.5
6.55μg/m³
PM10
20.88ppb
O3
0.55ppb
SO2
4.27ppb
NO2
0.12ppm
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 10:00:00, 2025-10-21.
The best air quality in Norwalk, Iowa was observed at 03:00:00 on 2025-10-22.
The air quality in Norwalk, Iowa right now is Good, with an AQI of 20.
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 1.718 μg/m3.
Norwalk, Iowa currently has a PM10 concentration of 8.262 μg/m3.
The current carbon monoxide (CO) level in Norwalk, Iowa is 0.173 ppm.
The current sulfur dioxide (SO2) concentration in Norwalk, Iowa is 0.707 ppb.
Norwalk, Iowa currently has an ozone (O3) concentration of 21.804 ppm.
The current level of nitrogen dioxide (NO2) in Norwalk, Iowa is 5.051 ppb.
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