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)
58
Moderate
Waterloo, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
60.91 μg/m³
0
55
155
255
425
605+
18.60 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
4.84 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waterloo, Iowa
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AQI 58
Moderate
12.50μg/m³
PM2.5
61.07μg/m³
PM10
18.89ppb
O3
0.20ppb
SO2
4.83ppb
NO2
0.22ppm
CO
AQI 54
Moderate
10.52μg/m³
PM2.5
51.69μg/m³
PM10
19.55ppb
O3
0.20ppb
SO2
4.86ppb
NO2
0.22ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
30.00μg/m³
PM10
14.54ppb
O3
0.07ppb
SO2
2.26ppb
NO2
0.18ppm
CO
AQI 49
Good
8.79μg/m³
PM2.5
38.71μg/m³
PM10
18.29ppb
O3
0.19ppb
SO2
4.85ppb
NO2
0.21ppm
CO
AQI 49
Good
8.60μg/m³
PM2.5
38.00μg/m³
PM10
18.27ppb
O3
0.19ppb
SO2
4.84ppb
NO2
0.21ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.00μg/m³
PM10
14.19ppb
O3
0.16ppb
SO2
3.97ppb
NO2
0.20ppm
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 05:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Waterloo, Iowa was observed at 03:00:00 on 2025-12-06.
As of now, the AQI in Waterloo, Iowa is 58, 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 13.38 μg/m3.
The PM10 concentration in Waterloo, Iowa is 60.906 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterloo, Iowa is 0.219 ppm.
Currently, Waterloo, Iowa has a sulfur dioxide (SO2) concentration of 0.218 ppb.
The current ozone (O3) level in Waterloo, Iowa at the moment is 18.604 ppm.
Nitrogen dioxide (NO2) level in Waterloo, Iowa at the moment is 4.84 ppb.
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