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)
39
Good
Monticello, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.76 μg/m³
0
55
155
255
425
605+
42.00 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
5.75 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Monticello, Minnesota
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AQI 38
Good
2.18μg/m³
PM2.5
8.64μg/m³
PM10
41.00ppb
O3
0.67ppb
SO2
4.87ppb
NO2
0.35ppm
CO
AQI 42
Good
1.71μg/m³
PM2.5
7.03μg/m³
PM10
44.99ppb
O3
0.67ppb
SO2
4.91ppb
NO2
0.36ppm
CO
AQI 40
Good
2.28μg/m³
PM2.5
8.09μg/m³
PM10
42.95ppb
O3
1.43ppb
SO2
4.91ppb
NO2
0.35ppm
CO
AQI 41
Good
1.94μg/m³
PM2.5
8.30μg/m³
PM10
44.26ppb
O3
0.67ppb
SO2
5.01ppb
NO2
0.35ppm
CO
AQI 39
Good
2.13μg/m³
PM2.5
8.55μg/m³
PM10
42.46ppb
O3
0.67ppb
SO2
4.85ppb
NO2
0.35ppm
CO
AQI 39
Good
2.55μg/m³
PM2.5
9.83μg/m³
PM10
41.73ppb
O3
0.68ppb
SO2
4.71ppb
NO2
0.36ppm
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 2026-03-09.
In the last 24 hrs, the best air quality in Monticello, Minnesota was observed at 02:00:00 on 2026-03-09.
The current air quality in Monticello, Minnesota is 39, 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 2.125 μg/m3.
The current PM10 concentration at Monticello, Minnesota is 7.758 μg/m3.
The current carbon monoxide (CO) concentration at Monticello, Minnesota is 0.354 ppm.
The current sulfur dioxide (SO2) concentration at Monticello, Minnesota is 0.627 ppb.
The current ozone (O3) concentration at Monticello, Minnesota is 42.001 ppm.
The current nitrogen dioxide (NO2) concentration at Monticello, Minnesota is 5.748 ppb.
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