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)
21
Good
Monticello, Minnesota
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
1.15 μg/m³
0
55
155
255
425
605+
22.84 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
1.12 ppb
0
54
101
361
1250
2050+
0.12 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 20
Good
0.28μg/m³
PM2.5
1.00μg/m³
PM10
22.50ppb
O3
0.11ppb
SO2
1.09ppb
NO2
0.12ppm
CO
AQI 21
Good
0.40μg/m³
PM2.5
1.78μg/m³
PM10
22.98ppb
O3
0.16ppb
SO2
1.37ppb
NO2
0.12ppm
CO
AQI 21
Good
0.25μg/m³
PM2.5
1.05μg/m³
PM10
22.80ppb
O3
0.10ppb
SO2
1.05ppb
NO2
0.12ppm
CO
AQI 20
Good
0.38μg/m³
PM2.5
1.07μg/m³
PM10
22.48ppb
O3
0.16ppb
SO2
1.39ppb
NO2
0.12ppm
CO
AQI 20
Good
0.45μg/m³
PM2.5
1.50μg/m³
PM10
22.12ppb
O3
0.14ppb
SO2
1.30ppb
NO2
0.12ppm
CO
AQI 19
Good
0.34μg/m³
PM2.5
1.18μg/m³
PM10
21.36ppb
O3
0.16ppb
SO2
1.42ppb
NO2
0.12ppm
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 07:00:00 on 2025-10-21.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 03:00:00 on 2025-10-21.
The current air quality in Monticello, Minnesota is 21, 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 0.339 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 1.148 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.123 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.115 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 22.84 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 1.122 ppb.
All Rights Reserved © Ambee Inc. 2025