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)
33
Good
Monticello, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.08 μg/m³
0
55
155
255
425
605+
21.42 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
2.44 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monticello, Minnesota
Monticello, Minnesota
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AQI 33
Good
5.75μg/m³
PM2.5
25.87μg/m³
PM10
23.02ppb
O3
0.26ppb
SO2
2.45ppb
NO2
0.19ppm
CO
AQI 33
Good
6.50μg/m³
PM2.5
28.98μg/m³
PM10
19.64ppb
O3
0.24ppb
SO2
2.56ppb
NO2
0.20ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
25.53μg/m³
PM10
23.25ppb
O3
0.28ppb
SO2
2.43ppb
NO2
0.20ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
27.77μg/m³
PM10
19.75ppb
O3
0.23ppb
SO2
2.61ppb
NO2
0.20ppm
CO
AQI 33
Good
6.03μg/m³
PM2.5
26.70μg/m³
PM10
19.95ppb
O3
0.21ppb
SO2
2.52ppb
NO2
0.19ppm
CO
AQI 33
Good
5.93μg/m³
PM2.5
26.21μg/m³
PM10
23.32ppb
O3
0.18ppb
SO2
2.60ppb
NO2
0.20ppm
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 04:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 03:00:00 on 2026-01-22.
The current air quality in Monticello, Minnesota is 33, 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 5.893 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 26.08 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.196 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.271 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 21.42 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 2.445 ppb.
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