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)
44
Good
Monticello, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.12 μg/m³
0
55
155
255
425
605+
17.48 ppb
0
55
71
86
201
201+
0.88 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Monticello, Minnesota
Scroll To Air Quality MapLoading...
AQI 62
Moderate
14.89μg/m³
PM2.5
56.79μg/m³
PM10
21.48ppb
O3
0.74ppb
SO2
10.36ppb
NO2
0.41ppm
CO
AQI 49
Good
9.10μg/m³
PM2.5
40.97μg/m³
PM10
18.98ppb
O3
0.73ppb
SO2
9.93ppb
NO2
0.42ppm
CO
AQI 49
Good
9.26μg/m³
PM2.5
36.60μg/m³
PM10
15.84ppb
O3
0.75ppb
SO2
8.29ppb
NO2
0.42ppm
CO
AQI 49
Good
9.39μg/m³
PM2.5
38.40μg/m³
PM10
18.02ppb
O3
0.72ppb
SO2
10.56ppb
NO2
0.41ppm
CO
AQI 62
Moderate
15.17μg/m³
PM2.5
54.43μg/m³
PM10
22.86ppb
O3
0.73ppb
SO2
10.79ppb
NO2
0.41ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
31.65μg/m³
PM10
15.83ppb
O3
0.72ppb
SO2
11.07ppb
NO2
0.41ppm
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 2026-03-06.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 09:00:00 on 2026-03-06.
The current air quality in Monticello, Minnesota is 56, categorized as Moderate 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 12.258 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 32.366 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.413 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.746 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 21.97 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 11.233 ppb.
All Rights Reserved © Ambee Inc. 2025