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)
27
Good
Monticello, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.12 μg/m³
0
55
155
255
425
605+
15.09 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
2.80 ppb
0
54
101
361
1250
2050+
0.51 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monticello, Minnesota
Monticello, Minnesota
Scroll To Air Quality MapLoading...
AQI 27
Good
5.32μg/m³
PM2.5
23.39μg/m³
PM10
16.96ppb
O3
0.80ppb
SO2
2.76ppb
NO2
0.51ppm
CO
AQI 27
Good
5.30μg/m³
PM2.5
22.98μg/m³
PM10
21.99ppb
O3
0.81ppb
SO2
2.64ppb
NO2
0.52ppm
CO
AQI 27
Good
5.41μg/m³
PM2.5
24.22μg/m³
PM10
15.48ppb
O3
0.81ppb
SO2
2.86ppb
NO2
0.51ppm
CO
AQI 27
Good
5.31μg/m³
PM2.5
21.83μg/m³
PM10
21.58ppb
O3
0.82ppb
SO2
2.64ppb
NO2
0.53ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
23.16μg/m³
PM10
19.37ppb
O3
0.81ppb
SO2
2.67ppb
NO2
0.53ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
20.97μg/m³
PM10
16.12ppb
O3
0.82ppb
SO2
2.65ppb
NO2
0.55ppm
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 03:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 10:00:00 on 2026-09-07.
The current air quality in Monticello, Minnesota is 27, 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 5.405 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 24.121 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.51 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.805 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 15.093 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 2.802 ppb.
All Rights Reserved © Ambee Inc. 2025