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)
54
Moderate
Waterloo, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
48.84 μg/m³
0
55
155
255
425
605+
27.82 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
2.50 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waterloo, Iowa
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AQI 54
Moderate
10.60μg/m³
PM2.5
47.59μg/m³
PM10
30.43ppb
O3
0.15ppb
SO2
2.52ppb
NO2
0.22ppm
CO
AQI 52
Moderate
10.43μg/m³
PM2.5
39.83μg/m³
PM10
31.76ppb
O3
0.19ppb
SO2
2.57ppb
NO2
0.21ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
33.87μg/m³
PM10
37.24ppb
O3
0.30ppb
SO2
1.96ppb
NO2
0.16ppm
CO
AQI 54
Moderate
10.53μg/m³
PM2.5
46.10μg/m³
PM10
29.69ppb
O3
0.10ppb
SO2
2.30ppb
NO2
0.18ppm
CO
AQI 54
Moderate
10.50μg/m³
PM2.5
47.00μg/m³
PM10
30.00ppb
O3
0.10ppb
SO2
2.28ppb
NO2
0.18ppm
CO
AQI 33
Good
6.23μg/m³
PM2.5
27.68μg/m³
PM10
32.84ppb
O3
0.20ppb
SO2
1.95ppb
NO2
0.16ppm
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 10:00:00 on 2026-07-13.
In the last 24 hours, the best air quality in Waterloo, Iowa was observed at 08:00:00 on 2026-07-12.
As of now, the AQI in Waterloo, Iowa is 54, 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 10.989 μg/m3.
The PM10 concentration in Waterloo, Iowa is 48.839 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waterloo, Iowa is 0.187 ppm.
Currently, Waterloo, Iowa has a sulfur dioxide (SO2) concentration of 0.149 ppb.
The current ozone (O3) level in Waterloo, Iowa at the moment is 27.817 ppm.
Nitrogen dioxide (NO2) level in Waterloo, Iowa at the moment is 2.505 ppb.
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