Stay updated with real-time air quality in Cottage Grove, 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)
49
Good
Cottage Grove, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.61 μg/m³
0
55
155
255
425
605+
31.25 ppb
0
55
71
86
201
201+
1.10 ppb
0
36
76
186
605
1005+
5.75 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Cottage Grove, Minnesota
Cottage Grove, Minnesota
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AQI 52
Moderate
9.62μg/m³
PM2.5
47.92μg/m³
PM10
29.94ppb
O3
1.07ppb
SO2
6.34ppb
NO2
0.34ppm
CO
AQI 44
Good
8.31μg/m³
PM2.5
37.46μg/m³
PM10
29.86ppb
O3
1.01ppb
SO2
7.20ppb
NO2
0.35ppm
CO
AQI 49
Good
8.96μg/m³
PM2.5
39.70μg/m³
PM10
30.02ppb
O3
1.02ppb
SO2
7.07ppb
NO2
0.34ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
49.20μg/m³
PM10
29.88ppb
O3
1.19ppb
SO2
5.35ppb
NO2
0.33ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
43.98μg/m³
PM10
30.07ppb
O3
1.02ppb
SO2
6.86ppb
NO2
0.33ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
40.41μg/m³
PM10
30.06ppb
O3
1.02ppb
SO2
7.02ppb
NO2
0.34ppm
CO
Air quality data and pollutant measurements for Minnesota, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Cottage Grove, Minnesota is updated every hour.
The worst air quality in Cottage Grove, Minnesota in the last 24 hours was observed at 03:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Cottage Grove, Minnesota was observed at 03:00:00 on 2026-04-23.
The current air quality in Cottage Grove, Minnesota is 49, categorized as Good based on real-time data.
The most common pollutant in Cottage Grove, Minnesota is PM2.5.
If the air quality in Cottage Grove, Minnesota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Cottage Grove, Minnesota is 9.241 μg/m3.
The current PM10 concentration at Cottage Grove, Minnesota is 46.611 μg/m3.
The current carbon monoxide (CO) concentration at Cottage Grove, Minnesota is 0.331 ppm.
The current sulfur dioxide (SO2) concentration at Cottage Grove, Minnesota is 1.1 ppb.
The current ozone (O3) concentration at Cottage Grove, Minnesota is 31.245 ppm.
The current nitrogen dioxide (NO2) concentration at Cottage Grove, Minnesota is 5.751 ppb.
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