Stay updated with real-time air quality in Le Mars, 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)
67
Moderate
Le Mars, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
76.13 μg/m³
0
55
155
255
425
605+
30.99 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
8.05 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Le Mars, Iowa
Le Mars, Iowa
Scroll To Air Quality MapLoading...
AQI 38
Good
6.84μg/m³
PM2.5
37.39μg/m³
PM10
23.05ppb
O3
0.52ppb
SO2
4.83ppb
NO2
0.22ppm
CO
AQI 38
Good
6.84μg/m³
PM2.5
37.24μg/m³
PM10
23.08ppb
O3
0.51ppb
SO2
4.82ppb
NO2
0.22ppm
CO
AQI 27
Good
5.21μg/m³
PM2.5
23.04μg/m³
PM10
21.01ppb
O3
0.48ppb
SO2
3.40ppb
NO2
0.23ppm
CO
AQI 44
Good
8.20μg/m³
PM2.5
33.56μg/m³
PM10
29.30ppb
O3
0.41ppb
SO2
3.12ppb
NO2
0.22ppm
CO
AQI 38
Good
6.94μg/m³
PM2.5
26.50μg/m³
PM10
23.13ppb
O3
0.47ppb
SO2
2.65ppb
NO2
0.24ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
21.39μg/m³
PM10
22.97ppb
O3
0.56ppb
SO2
2.84ppb
NO2
0.23ppm
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 Le Mars, Iowa is updated every hour for accuracy.
In the past 24 hours, the air quality in Le Mars, Iowa was at its worst at 08:00:00 on 2025-08-29.
In the last 24 hours, the best air quality in Le Mars, Iowa was observed at 03:00:00 on 2025-08-30.
As of now, the AQI in Le Mars, Iowa is 38, indicating Good conditions.
Le Mars, Iowa air has the highest levels of PM2.5.
Poor air quality in Le Mars, Iowa means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Le Mars, Iowa are currently 6.977 μg/m3.
The PM10 concentration in Le Mars, Iowa is 28.285 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Le Mars, Iowa is 0.239 ppm.
Currently, Le Mars, Iowa has a sulfur dioxide (SO2) concentration of 0.524 ppb.
The current ozone (O3) level in Le Mars, Iowa at the moment is 35.626 ppm.
Nitrogen dioxide (NO2) level in Le Mars, Iowa at the moment is 2.672 ppb.
All Rights Reserved © Ambee Inc. 2025