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)
16
Good
Willmar, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.19 μg/m³
0
55
155
255
425
605+
16.52 ppb
0
55
71
86
201
201+
0.04 ppb
0
36
76
186
605
1005+
1.85 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Willmar, Minnesota
Willmar, Minnesota
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AQI 18
Good
2.28μg/m³
PM2.5
9.14μg/m³
PM10
18.65ppb
O3
0.12ppb
SO2
2.17ppb
NO2
0.18ppm
CO
AQI 19
Good
3.10μg/m³
PM2.5
14.00μg/m³
PM10
20.74ppb
O3
0.39ppb
SO2
6.80ppb
NO2
0.30ppm
CO
AQI 19
Good
3.15μg/m³
PM2.5
14.08μg/m³
PM10
20.98ppb
O3
0.39ppb
SO2
6.72ppb
NO2
0.29ppm
CO
AQI 19
Good
3.11μg/m³
PM2.5
14.01μg/m³
PM10
20.80ppb
O3
0.39ppb
SO2
6.78ppb
NO2
0.30ppm
CO
AQI 16
Good
3.22μg/m³
PM2.5
14.09μg/m³
PM10
16.02ppb
O3
0.04ppb
SO2
1.61ppb
NO2
0.16ppm
CO
AQI 24
Good
3.01μg/m³
PM2.5
13.90μg/m³
PM10
26.25ppb
O3
0.37ppb
SO2
5.19ppb
NO2
0.30ppm
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 08:00:00, 2025-12-06.
The best air quality in Willmar, Minnesota was observed at 07:00:00 on 2025-12-07.
The air quality in Willmar, Minnesota right now is Good, with an AQI of 16.
In Willmar, Minnesota, O3 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 2.555 μg/m3.
Willmar, Minnesota currently has a PM10 concentration of 10.188 μg/m3.
The current carbon monoxide (CO) level in Willmar, Minnesota is 0.17 ppm.
The current sulfur dioxide (SO2) concentration in Willmar, Minnesota is 0.044 ppb.
Willmar, Minnesota currently has an ozone (O3) concentration of 16.52 ppm.
The current level of nitrogen dioxide (NO2) in Willmar, Minnesota is 1.85 ppb.
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