Air Quality in Northfield, United States
Windy
26.6°C · 68.1% humidity
26.6°
Feels 26.6°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Northfield's air quality — share it
AQI Forecast
24
1pm
24
24
51
4pm
43
38
34
7pm
32
30
29
10pm
28
26
25
1am
25
25
24
4am
25
25
25
7am
54
66
83
10am
84
84
Air Quality Index Trend
29h · 2 stnNorthfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
68.1%
Humidity
44.6 km/h
Wind SSE
1012.9 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.26 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Northfield?
Temperature & Precipitation
PM2.5 Trend
29h · 2 stationsPM2.512.26 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Northfield?
07-21
27.0° 22.8°
0.62 mm
07-22
26.6° 17.8°
6.31 mm
07-23
22.2° 16.6°
0.19 mm
07-24
28.7° 15.6°
4.44 mm
07-25
26.6° 16.4°
0.06 mm
07-26
26.0° 20.5°
1.19 mm
07-27
33.1° 16.7°
Both models agree
Avg diff: 4.0°C
What cities are near Northfield?
Get AQI alerts for Northfield
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:49 UTC.