Stay updated with real-time air quality in St. Paul, 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)
16
Good
St. Paul, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.79 μg/m³
0
55
155
255
425
605+
9.34 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
12.07 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
St. Paul, Minnesota
St. Paul, Minnesota
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AQI 33
Good
5.66μg/m³
PM2.5
25.37μg/m³
PM10
10.32ppb
O3
1.05ppb
SO2
12.34ppb
NO2
0.37ppm
CO
AQI 44
Good
7.86μg/m³
PM2.5
35.08μg/m³
PM10
9.61ppb
O3
0.97ppb
SO2
12.53ppb
NO2
0.36ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
34.92μg/m³
PM10
12.03ppb
O3
1.18ppb
SO2
12.62ppb
NO2
0.39ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
25.57μg/m³
PM10
9.64ppb
O3
0.96ppb
SO2
12.33ppb
NO2
0.35ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
35.22μg/m³
PM10
12.03ppb
O3
1.18ppb
SO2
12.63ppb
NO2
0.40ppm
CO
AQI 44
Good
7.58μg/m³
PM2.5
32.88μg/m³
PM10
9.59ppb
O3
0.99ppb
SO2
12.43ppb
NO2
0.36ppm
CO
Air quality measurements for Minnesota, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for St. Paul, Minnesota is updated on an hourly basis.
The worst air quality in St. Paul, Minnesota was recorded at 03:00:00 on 2026-07-11.
The best air quality in St. Paul, Minnesota was recorded at 04:00:00 on 2026-07-11.
The real-time air quality index in St. Paul, Minnesota is 16, currently categorized as Good.
The most common pollutant in St. Paul, Minnesota is PM2.5.
If the air quality in St. Paul, Minnesota is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in St. Paul, Minnesota at present are 3.278 μg/m3.
The current PM10 levels in St. Paul, Minnesota are 14.79 μg/m3.
The current carbon monoxide (CO) level in St. Paul, Minnesota is 0.36 ppm.
The current sulfur dioxide (SO2) levels in St. Paul, Minnesota are 0.983 ppb.
The current ozone (O3) levels at St. Paul, Minnesota is 9.335 ppm.
The current nitrogen dioxide (NO2) levels at St. Paul, Minnesota is 12.069 ppb.
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