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)
18
Good
Willmar, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.00 μg/m³
0
55
155
255
425
605+
18.83 ppb
0
55
71
86
201
201+
0.03 ppb
0
36
76
186
605
1005+
0.82 ppb
0
54
101
361
1250
2050+
0.14 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
1.57μg/m³
PM2.5
6.00μg/m³
PM10
19.44ppb
O3
0.04ppb
SO2
0.76ppb
NO2
0.14ppm
CO
AQI 33
Good
5.50μg/m³
PM2.5
24.00μg/m³
PM10
25.17ppb
O3
0.41ppb
SO2
3.18ppb
NO2
0.16ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
23.97μg/m³
PM10
25.42ppb
O3
0.41ppb
SO2
3.18ppb
NO2
0.16ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
24.00μg/m³
PM10
25.23ppb
O3
0.41ppb
SO2
3.18ppb
NO2
0.16ppm
CO
AQI 17
Good
1.80μg/m³
PM2.5
7.83μg/m³
PM10
18.23ppb
O3
0.02ppb
SO2
0.94ppb
NO2
0.14ppm
CO
AQI 38
Good
6.51μg/m³
PM2.5
27.20μg/m³
PM10
28.46ppb
O3
0.38ppb
SO2
3.31ppb
NO2
0.17ppm
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 05:00:00, 2026-01-22.
The best air quality in Willmar, Minnesota was observed at 09:00:00 on 2026-01-23.
The air quality in Willmar, Minnesota right now is Good, with an AQI of 18.
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 1.748 μg/m3.
Willmar, Minnesota currently has a PM10 concentration of 7 μg/m3.
The current carbon monoxide (CO) level in Willmar, Minnesota is 0.139 ppm.
The current sulfur dioxide (SO2) concentration in Willmar, Minnesota is 0.027 ppb.
Willmar, Minnesota currently has an ozone (O3) concentration of 18.833 ppm.
The current level of nitrogen dioxide (NO2) in Willmar, Minnesota is 0.825 ppb.
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