Stay updated with real-time air quality in Waterloo, 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)
56
Moderate
Waterloo, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.16 μg/m³
0
55
155
255
425
605+
33.41 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
3.67 ppb
0
54
101
361
1250
2050+
0.61 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waterloo, Iowa
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AQI 27
Good
5.21μg/m³
PM2.5
22.56μg/m³
PM10
22.00ppb
O3
0.82ppb
SO2
4.39ppb
NO2
0.30ppm
CO
AQI 31
Good
5.28μg/m³
PM2.5
25.39μg/m³
PM10
33.25ppb
O3
0.81ppb
SO2
4.49ppb
NO2
0.30ppm
CO
AQI 44
Good
8.48μg/m³
PM2.5
37.00μg/m³
PM10
37.86ppb
O3
0.10ppb
SO2
3.00ppb
NO2
0.17ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
27.57μg/m³
PM10
21.11ppb
O3
1.17ppb
SO2
3.02ppb
NO2
0.28ppm
CO
AQI 33
Good
6.37μg/m³
PM2.5
28.86μg/m³
PM10
21.94ppb
O3
1.29ppb
SO2
2.93ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.68μg/m³
PM2.5
47.39μg/m³
PM10
29.57ppb
O3
0.09ppb
SO2
2.88ppb
NO2
0.18ppm
CO
Air quality and pollutant data for Iowa, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Waterloo, Iowa is updated every hour for accuracy.
In the past 24 hours, the air quality in Waterloo, Iowa was at its worst at 08:00:00 on 2025-07-18.
In the last 24 hours, the best air quality in Waterloo, Iowa was observed at 11:00:00 on 2025-07-19.
As of now, the AQI in Waterloo, Iowa is 22, indicating Good conditions.
Waterloo, Iowa air has the highest levels of PM2.5.
Poor air quality in Waterloo, Iowa means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Waterloo, Iowa are currently 3.633 μg/m3.
The PM10 concentration in Waterloo, Iowa is 16.175 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterloo, Iowa is 0.296 ppm.
Currently, Waterloo, Iowa has a sulfur dioxide (SO2) concentration of 0.838 ppb.
The current ozone (O3) level in Waterloo, Iowa at the moment is 20.625 ppm.
Nitrogen dioxide (NO2) level in Waterloo, Iowa at the moment is 4.344 ppb.
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