Stay updated with real-time air quality in Grimes, 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)
17
Good
Grimes, Iowa
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.51 μg/m³
0
55
155
255
425
605+
18.46 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
4.23 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Grimes, Iowa
Grimes, Iowa
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AQI 18
Good
2.87μg/m³
PM2.5
11.85μg/m³
PM10
19.22ppb
O3
0.79ppb
SO2
4.61ppb
NO2
0.17ppm
CO
AQI 19
Good
2.92μg/m³
PM2.5
13.55μg/m³
PM10
19.61ppb
O3
0.44ppb
SO2
5.36ppb
NO2
0.17ppm
CO
AQI 19
Good
2.80μg/m³
PM2.5
14.79μg/m³
PM10
20.36ppb
O3
0.79ppb
SO2
6.19ppb
NO2
0.17ppm
CO
AQI 17
Good
3.00μg/m³
PM2.5
14.57μg/m³
PM10
18.03ppb
O3
0.81ppb
SO2
4.63ppb
NO2
0.17ppm
CO
AQI 19
Good
2.94μg/m³
PM2.5
14.79μg/m³
PM10
20.29ppb
O3
0.79ppb
SO2
6.45ppb
NO2
0.17ppm
CO
AQI 18
Good
3.33μg/m³
PM2.5
16.02μg/m³
PM10
18.90ppb
O3
0.44ppb
SO2
4.56ppb
NO2
0.17ppm
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 Grimes, Iowa are available every hour.
Grimes, Iowa experienced its worst air quality at 03:00:00, 2025-10-21.
The best air quality in Grimes, Iowa was observed at 03:00:00 on 2025-10-22.
The air quality in Grimes, Iowa right now is Good, with an AQI of 17.
In Grimes, Iowa, O3 is the most frequently found pollutant.
When air quality in Grimes, Iowa is compromised, staying indoors and wearing a mask can reduce health risks.
Grimes, Iowa currently has a PM2.5 concentration of 1.982 μg/m3.
Grimes, Iowa currently has a PM10 concentration of 8.514 μg/m3.
The current carbon monoxide (CO) level in Grimes, Iowa is 0.118 ppm.
The current sulfur dioxide (SO2) concentration in Grimes, Iowa is 0.571 ppb.
Grimes, Iowa currently has an ozone (O3) concentration of 18.458 ppm.
The current level of nitrogen dioxide (NO2) in Grimes, Iowa is 4.232 ppb.
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