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)
79
Moderate
Waterloo, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
23.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
104.32 μg/m³
0
55
155
255
425
605+
41.48 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
4.02 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waterloo, Iowa
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AQI 77
Moderate
22.69μg/m³
PM2.5
98.23μg/m³
PM10
45.47ppb
O3
0.29ppb
SO2
4.35ppb
NO2
0.23ppm
CO
AQI 71
Moderate
20.35μg/m³
PM2.5
57.81μg/m³
PM10
45.72ppb
O3
0.29ppb
SO2
3.04ppb
NO2
0.22ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
27.89μg/m³
PM10
23.87ppb
O3
0.33ppb
SO2
18.20ppb
NO2
0.30ppm
CO
AQI 81
Moderate
24.61μg/m³
PM2.5
106.03μg/m³
PM10
43.00ppb
O3
0.38ppb
SO2
6.62ppb
NO2
0.27ppm
CO
AQI 81
Moderate
24.99μg/m³
PM2.5
108.89μg/m³
PM10
45.81ppb
O3
0.40ppb
SO2
6.63ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.30μg/m³
PM2.5
45.75μg/m³
PM10
31.88ppb
O3
0.18ppb
SO2
5.53ppb
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 09:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Waterloo, Iowa was observed at 07:00:00 on 2025-06-05.
As of now, the AQI in Waterloo, Iowa is 79, indicating Moderate 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 23.752 μg/m3.
The PM10 concentration in Waterloo, Iowa is 104.317 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterloo, Iowa is 0.228 ppm.
Currently, Waterloo, Iowa has a sulfur dioxide (SO2) concentration of 0.296 ppb.
The current ozone (O3) level in Waterloo, Iowa at the moment is 41.48 ppm.
Nitrogen dioxide (NO2) level in Waterloo, Iowa at the moment is 4.02 ppb.
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