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)
56
Moderate
South St. Paul, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.13 μg/m³
0
55
155
255
425
605+
20.87 ppb
0
55
71
86
201
201+
1.26 ppb
0
36
76
186
605
1005+
18.77 ppb
0
54
101
361
1250
2050+
0.43 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 26
Good
3.56μg/m³
PM2.5
12.45μg/m³
PM10
27.70ppb
O3
0.57ppb
SO2
3.44ppb
NO2
0.20ppm
CO
AQI 27
Good
4.85μg/m³
PM2.5
21.51μg/m³
PM10
24.94ppb
O3
0.56ppb
SO2
5.24ppb
NO2
0.23ppm
CO
AQI 24
Good
3.44μg/m³
PM2.5
14.66μg/m³
PM10
26.06ppb
O3
0.56ppb
SO2
5.05ppb
NO2
0.23ppm
CO
AQI 26
Good
3.60μg/m³
PM2.5
15.65μg/m³
PM10
27.89ppb
O3
0.57ppb
SO2
3.35ppb
NO2
0.20ppm
CO
AQI 22
Good
4.05μg/m³
PM2.5
17.75μg/m³
PM10
24.18ppb
O3
0.54ppb
SO2
6.85ppb
NO2
0.25ppm
CO
AQI 25
Good
2.95μg/m³
PM2.5
12.22μg/m³
PM10
27.05ppb
O3
0.58ppb
SO2
4.25ppb
NO2
0.21ppm
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 09:00:00 on 2025-11-11.
In the last 24 hours, the best air quality in South St. Paul, Minnesota was observed at 03:00:00 on 2025-11-12.
As of now, the AQI in South St. Paul, Minnesota is 25, indicating Good conditions.
South St. Paul, Minnesota air has the highest levels of O3.
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 3.736 μg/m3.
The PM10 concentration in South St. Paul, Minnesota is 16.282 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South St. Paul, Minnesota is 0.225 ppm.
Currently, South St. Paul, Minnesota has a sulfur dioxide (SO2) concentration of 0.529 ppb.
The current ozone (O3) level in South St. Paul, Minnesota at the moment is 26.63 ppm.
Nitrogen dioxide (NO2) level in South St. Paul, Minnesota at the moment is 7.707 ppb.
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