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Deerfield (Illinois) (US)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
-7°C
Cloudy
Humidity
78.9%
Wind
6 m/s
Pressure
1021.6 hPa
Direction
200°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-7° / -4°
Precip.
0.2mm
Max wind
5.9 m/s

Hourly Forecast

02.02
Now
Weather
-7°
6
02.02
03:00
Weather
-7°
6
02.02
04:00
Weather
-7°
5
02.02
05:00
Weather
-7°
5
02.02
06:00
Weather
-6°
0.1
5
02.02
07:00
Weather
-6°
0.1
02.02
08:00
Weather
-6°
02.02
09:00
Weather
-6°
02.02
10:00
Weather
-6°
02.02
11:00
Weather
-6°
02.02
12:00
Weather
-6°
02.02
13:00
Weather
-5°
02.02
14:00
Weather
-5°
02.02
15:00
Weather
-5°
02.02
16:00
Weather
-4°
02.02
17:00
Weather
-4°
02.02
18:00
Weather
-4°
02.02
19:00
Weather
-4°
02.02
20:00
Weather
-4°
02.02
21:00
Weather
-4°
02.02
22:00
Weather
-4°
02.02
23:00
Weather
-5°
03.02
00:00
Weather
-6°
03.02
01:00
Weather
-6°

Temperature

-4°C
-7°C
02:00
-7°C
03:00
-7°C
04:00
-7°C
05:00
-7°C
06:00
-6°C
07:00
-6°C
08:00
-6°C
09:00
-6°C
10:00
-6°C
11:00
-6°C
12:00
-6°C
13:00
-5°C
14:00
-5°C
15:00
-5°C
16:00
-4°C
17:00
-4°C
18:00
-4°C
19:00
-4°C
20:00
-4°C
21:00
-4°C
22:00
-4°C
23:00
-5°C
00:00
-6°C
01:00
-6°C
02:00 13:00 01:00

Precipitation

0.1mm
0mm
06:00
0.1mm
07:00
0.1mm
02:00 13:00 01:00

Wind

5.9m/s
0m/s
02:00
5.9 m/s
03:00
5.8 m/s
04:00
5.3 m/s
05:00
5.2 m/s
06:00
5.4 m/s
07:00
5 m/s
08:00
4.8 m/s
09:00
4.8 m/s
10:00
4.3 m/s
11:00
4.2 m/s
12:00
4.4 m/s
13:00
4.4 m/s
14:00
4.2 m/s
15:00
4.4 m/s
16:00
4.3 m/s
17:00
4.7 m/s
18:00
4.8 m/s
19:00
4.9 m/s
20:00
4.8 m/s
21:00
4.7 m/s
22:00
4.5 m/s
23:00
4.4 m/s
00:00
4.5 m/s
01:00
4.2 m/s
02:00 13:00 01:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
30.3 km
109
36.3%

Measurement time: 2026-02-02 03:00

Calculated from PM2.5/PM10

PM2.5
30.3 km
39 µg/m3
46.4%

Measurement time: 2026-02-02 03:00

source: Aqicn

About Air Quality in Deerfield

Air quality in Deerfield is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Deerfield

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Deerfield?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Deerfield

If you're planning outdoor activities in Deerfield, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.