Stay updated with real-time air quality in South 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)
58
Moderate
South St. Paul, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
58.92 μg/m³
0
55
155
255
425
605+
16.36 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
7.89 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South St. Paul, Minnesota
South St. Paul, Minnesota
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AQI 58
Moderate
13.36μg/m³
PM2.5
46.77μg/m³
PM10
15.97ppb
O3
0.72ppb
SO2
8.71ppb
NO2
0.34ppm
CO
AQI 54
Moderate
10.86μg/m³
PM2.5
48.34μg/m³
PM10
18.10ppb
O3
0.73ppb
SO2
8.28ppb
NO2
0.32ppm
CO
AQI 60
Moderate
14.35μg/m³
PM2.5
62.32μg/m³
PM10
14.98ppb
O3
0.73ppb
SO2
7.50ppb
NO2
0.31ppm
CO
AQI 58
Moderate
13.38μg/m³
PM2.5
46.26μg/m³
PM10
13.65ppb
O3
0.72ppb
SO2
6.83ppb
NO2
0.33ppm
CO
AQI 58
Moderate
13.21μg/m³
PM2.5
58.72μg/m³
PM10
19.36ppb
O3
0.72ppb
SO2
8.91ppb
NO2
0.32ppm
CO
AQI 64
Moderate
15.67μg/m³
PM2.5
69.94μg/m³
PM10
13.82ppb
O3
0.73ppb
SO2
7.24ppb
NO2
0.31ppm
CO
Air quality and pollutant data for Minnesota, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for South St. Paul, Minnesota is updated every hour for accuracy.
In the past 24 hours, the air quality in South St. Paul, Minnesota was at its worst at 02:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in South St. Paul, Minnesota was observed at 12:00:00 on 2026-08-12.
As of now, the AQI in South St. Paul, Minnesota is 58, indicating Moderate conditions.
South St. Paul, Minnesota air has the highest levels of PM2.5.
Poor air quality in South St. Paul, Minnesota means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in South St. Paul, Minnesota are currently 13.311 μg/m3.
The PM10 concentration in South St. Paul, Minnesota is 58.984 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South St. Paul, Minnesota is 0.383 ppm.
Currently, South St. Paul, Minnesota has a sulfur dioxide (SO2) concentration of 0.918 ppb.
The current ozone (O3) level in South St. Paul, Minnesota at the moment is 24.212 ppm.
Nitrogen dioxide (NO2) level in South St. Paul, Minnesota at the moment is 12.302 ppb.
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