Stay updated with real-time air quality in Willmar, Minnesota 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
Willmar, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.38 μg/m³
0
55
155
255
425
605+
26.28 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
4.80 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Willmar, Minnesota
Willmar, Minnesota
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AQI 22
Good
3.81μg/m³
PM2.5
16.35μg/m³
PM10
14.89ppb
O3
0.31ppb
SO2
7.03ppb
NO2
0.21ppm
CO
AQI 27
Good
4.90μg/m³
PM2.5
21.00μg/m³
PM10
6.33ppb
O3
0.99ppb
SO2
15.21ppb
NO2
0.50ppm
CO
AQI 27
Good
4.93μg/m³
PM2.5
21.08μg/m³
PM10
6.93ppb
O3
0.99ppb
SO2
15.35ppb
NO2
0.50ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
21.02μg/m³
PM10
6.48ppb
O3
0.99ppb
SO2
15.25ppb
NO2
0.50ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
23.86μg/m³
PM10
16.04ppb
O3
0.29ppb
SO2
4.77ppb
NO2
0.20ppm
CO
AQI 27
Good
4.60μg/m³
PM2.5
14.77μg/m³
PM10
23.01ppb
O3
0.96ppb
SO2
15.88ppb
NO2
0.50ppm
CO
The air quality data for Minnesota, 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 Willmar, Minnesota are available every hour.
Willmar, Minnesota experienced its worst air quality at 11:00:00, 2025-11-13.
The best air quality in Willmar, Minnesota was observed at 03:00:00 on 2025-11-12.
The air quality in Willmar, Minnesota right now is Good, with an AQI of 27.
In Willmar, Minnesota, PM2.5 is the most frequently found pollutant.
When air quality in Willmar, Minnesota is compromised, staying indoors and wearing a mask can reduce health risks.
Willmar, Minnesota currently has a PM2.5 concentration of 4.576 μg/m3.
Willmar, Minnesota currently has a PM10 concentration of 19.73 μg/m3.
The current carbon monoxide (CO) level in Willmar, Minnesota is 0.199 ppm.
The current sulfur dioxide (SO2) concentration in Willmar, Minnesota is 0.291 ppb.
Willmar, Minnesota currently has an ozone (O3) concentration of 13.373 ppm.
The current level of nitrogen dioxide (NO2) in Willmar, Minnesota is 5.976 ppb.
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