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

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.64 μg/m³
0
55
155
255
425
605+
19.36 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
10.51 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monticello, Minnesota
Monticello, Minnesota
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AQI 49
Good
8.80μg/m³
PM2.5
33.31μg/m³
PM10
14.55ppb
O3
0.87ppb
SO2
8.12ppb
NO2
0.41ppm
CO
AQI 44
Good
7.80μg/m³
PM2.5
34.01μg/m³
PM10
17.99ppb
O3
0.88ppb
SO2
11.66ppb
NO2
0.41ppm
CO
AQI 49
Good
8.72μg/m³
PM2.5
36.69μg/m³
PM10
14.86ppb
O3
0.87ppb
SO2
8.48ppb
NO2
0.42ppm
CO
AQI 44
Good
8.03μg/m³
PM2.5
33.80μg/m³
PM10
17.54ppb
O3
0.88ppb
SO2
11.80ppb
NO2
0.41ppm
CO
AQI 49
Good
8.89μg/m³
PM2.5
34.96μg/m³
PM10
14.40ppb
O3
0.87ppb
SO2
11.31ppb
NO2
0.40ppm
CO
AQI 49
Good
8.86μg/m³
PM2.5
35.66μg/m³
PM10
14.47ppb
O3
0.88ppb
SO2
11.94ppb
NO2
0.40ppm
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 Monticello, Minnesota is updated every hour.
The worst air quality in Monticello, Minnesota in the last 24 hours was observed at 11:00:00 on 2026-08-11.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 02:00:00 on 2026-08-11.
The current air quality in Monticello, Minnesota is 49, categorized as Good based on real-time data.
The most common pollutant in Monticello, Minnesota is PM2.5.
If the air quality in Monticello, Minnesota is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Monticello, Minnesota is 8.789 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 33.365 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.411 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.872 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 14.576 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 9.043 ppb.
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