Stay updated with real-time air quality in Northfield, 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)
60
Moderate
Northfield, Minnesota
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
13.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
67.52 μg/m³
0
55
155
255
425
605+
41.70 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
3.95 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Northfield, Minnesota
Northfield, Minnesota
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AQI 60
Moderate
14.14μg/m³
PM2.5
54.62μg/m³
PM10
45.39ppb
O3
0.71ppb
SO2
3.94ppb
NO2
0.21ppm
CO
AQI 56
Moderate
12.34μg/m³
PM2.5
55.35μg/m³
PM10
50.53ppb
O3
0.73ppb
SO2
3.69ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.08μg/m³
PM2.5
59.29μg/m³
PM10
50.38ppb
O3
0.74ppb
SO2
3.04ppb
NO2
0.20ppm
CO
AQI 58
Moderate
12.93μg/m³
PM2.5
57.81μg/m³
PM10
49.16ppb
O3
0.73ppb
SO2
3.59ppb
NO2
0.21ppm
CO
AQI 88
Moderate
9.79μg/m³
PM2.5
129.67μg/m³
PM10
44.54ppb
O3
0.75ppb
SO2
3.50ppb
NO2
0.21ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
61.63μg/m³
PM10
45.26ppb
O3
0.77ppb
SO2
4.69ppb
NO2
0.21ppm
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 Northfield, Minnesota is updated on an hourly basis.
The worst air quality in Northfield, Minnesota was recorded at 10:00:00 on 2025-06-05.
The best air quality in Northfield, Minnesota was recorded at 03:00:00 on 2025-06-06.
The real-time air quality index in Northfield, Minnesota is 60, currently categorized as Moderate.
The most common pollutant in Northfield, Minnesota is PM2.5.
If the air quality in Northfield, Minnesota is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Northfield, Minnesota at present are 13.583 μg/m3.
The current PM10 levels in Northfield, Minnesota are 67.524 μg/m3.
The current carbon monoxide (CO) level in Northfield, Minnesota is 0.226 ppm.
The current sulfur dioxide (SO2) levels in Northfield, Minnesota are 0.6 ppb.
The current ozone (O3) levels at Northfield, Minnesota is 41.702 ppm.
The current nitrogen dioxide (NO2) levels at Northfield, Minnesota is 3.952 ppb.
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