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)
40
Good
St. Paul, Minnesota
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.95 μg/m³
0
55
155
255
425
605+
43.13 ppb
0
55
71
86
201
201+
0.68 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.19 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 49
Good
8.53μg/m³
PM2.5
38.58μg/m³
PM10
43.31ppb
O3
0.61ppb
SO2
4.77ppb
NO2
0.20ppm
CO
AQI 56
Moderate
12.00μg/m³
PM2.5
53.58μg/m³
PM10
41.90ppb
O3
0.68ppb
SO2
4.10ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.32μg/m³
PM2.5
46.73μg/m³
PM10
44.29ppb
O3
0.50ppb
SO2
5.73ppb
NO2
0.21ppm
CO
AQI 49
Good
9.47μg/m³
PM2.5
37.33μg/m³
PM10
44.09ppb
O3
0.71ppb
SO2
3.99ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.47μg/m³
PM2.5
47.38μg/m³
PM10
44.25ppb
O3
0.50ppb
SO2
5.72ppb
NO2
0.21ppm
CO
AQI 54
Moderate
11.46μg/m³
PM2.5
51.19μg/m³
PM10
41.92ppb
O3
0.65ppb
SO2
4.29ppb
NO2
0.20ppm
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 12:00:00 on 2025-06-06.
The best air quality in St. Paul, Minnesota was recorded at 05:00:00 on 2025-06-05.
The real-time air quality index in St. Paul, Minnesota is 40, currently categorized as Good.
The most common pollutant in St. Paul, Minnesota is O3.
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 5.915 μg/m3.
The current PM10 levels in St. Paul, Minnesota are 26.946 μg/m3.
The current carbon monoxide (CO) level in St. Paul, Minnesota is 0.193 ppm.
The current sulfur dioxide (SO2) levels in St. Paul, Minnesota are 0.677 ppb.
The current ozone (O3) levels at St. Paul, Minnesota is 43.13 ppm.
The current nitrogen dioxide (NO2) levels at St. Paul, Minnesota is 4.315 ppb.
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