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)
28
Good
Monticello, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.54 μg/m³
0
55
155
255
425
605+
29.73 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
7.09 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monticello, Minnesota
Monticello, Minnesota
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AQI 28
Good
4.54μg/m³
PM2.5
21.81μg/m³
PM10
29.99ppb
O3
0.84ppb
SO2
6.38ppb
NO2
0.26ppm
CO
AQI 29
Good
4.60μg/m³
PM2.5
19.99μg/m³
PM10
31.00ppb
O3
0.84ppb
SO2
6.33ppb
NO2
0.27ppm
CO
AQI 27
Good
4.78μg/m³
PM2.5
20.99μg/m³
PM10
29.07ppb
O3
0.86ppb
SO2
6.38ppb
NO2
0.27ppm
CO
AQI 29
Good
4.80μg/m³
PM2.5
19.23μg/m³
PM10
30.76ppb
O3
0.84ppb
SO2
6.21ppb
NO2
0.26ppm
CO
AQI 28
Good
4.53μg/m³
PM2.5
21.89μg/m³
PM10
30.07ppb
O3
0.82ppb
SO2
6.30ppb
NO2
0.26ppm
CO
AQI 27
Good
5.17μg/m³
PM2.5
16.95μg/m³
PM10
29.37ppb
O3
0.81ppb
SO2
6.26ppb
NO2
0.26ppm
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 08:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 12:00:00 on 2026-06-08.
The current air quality in Monticello, Minnesota is 28, categorized as Good based on real-time data.
The most common pollutant in Monticello, Minnesota is O3.
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 4.997 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 19.536 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.291 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.93 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 29.73 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 7.09 ppb.
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