Stay updated with real-time air quality in Richfield, 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)
31
Good
Richfield, Minnesota
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.37 μg/m³
0
55
155
255
425
605+
33.52 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
8.86 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richfield, Minnesota
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AQI 32
Good
4.16μg/m³
PM2.5
18.62μg/m³
PM10
35.07ppb
O3
0.69ppb
SO2
6.80ppb
NO2
0.34ppm
CO
AQI 31
Good
4.45μg/m³
PM2.5
21.26μg/m³
PM10
33.88ppb
O3
0.70ppb
SO2
8.63ppb
NO2
0.30ppm
CO
AQI 31
Good
4.43μg/m³
PM2.5
20.32μg/m³
PM10
33.34ppb
O3
0.70ppb
SO2
8.97ppb
NO2
0.30ppm
CO
AQI 35
Good
4.94μg/m³
PM2.5
25.38μg/m³
PM10
38.39ppb
O3
0.71ppb
SO2
5.05ppb
NO2
0.32ppm
CO
AQI 35
Good
4.54μg/m³
PM2.5
19.66μg/m³
PM10
38.24ppb
O3
0.71ppb
SO2
6.55ppb
NO2
0.32ppm
CO
AQI 32
Good
4.77μg/m³
PM2.5
21.41μg/m³
PM10
34.91ppb
O3
0.70ppb
SO2
7.44ppb
NO2
0.31ppm
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 Richfield, Minnesota is updated on an hourly basis.
The worst air quality in Richfield, Minnesota was recorded at 02:00:00 on 2026-03-09.
The best air quality in Richfield, Minnesota was recorded at 10:00:00 on 2026-03-09.
The real-time air quality index in Richfield, Minnesota is 31, currently categorized as Good.
The most common pollutant in Richfield, Minnesota is O3.
If the air quality in Richfield, Minnesota is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Richfield, Minnesota at present are 4.379 μg/m3.
The current PM10 levels in Richfield, Minnesota are 20.371 μg/m3.
The current carbon monoxide (CO) level in Richfield, Minnesota is 0.301 ppm.
The current sulfur dioxide (SO2) levels in Richfield, Minnesota are 0.7 ppb.
The current ozone (O3) levels at Richfield, Minnesota is 33.52 ppm.
The current nitrogen dioxide (NO2) levels at Richfield, Minnesota is 8.861 ppb.
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