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Berwyn (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

Intensywny deszcz
16°C
Intensywny deszcz
Humidity
81.5%
Wind
8 m/s
Pressure
991.3 hPa
Direction
192°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-4° / 16°
Precip.
47mm
Max wind
11.4 m/s

Hourly Forecast

15.03
Now
Weather
16°
3.1
8
15.03
21:00
Weather
14°
2.2
8
15.03
22:00
Weather
15°
4.5
7
15.03
23:00
Weather
14°
11.6
6
16.03
00:00
Weather
5.3
8
16.03
01:00
Weather
5.8
9
16.03
02:00
Weather
6.3
8
16.03
03:00
Weather
1.6
10
16.03
04:00
Weather
0.8
11
16.03
05:00
Weather
0.8
9
16.03
06:00
Weather
-0°
0.3
8
16.03
07:00
Weather
-1°
0.5
8
16.03
08:00
Weather
-1°
0.6
7
16.03
09:00
Weather
-2°
0.5
7
16.03
10:00
Weather
-3°
0.6
7
16.03
11:00
Weather
-3°
0.4
7
16.03
12:00
Weather
-4°
0.4
7
16.03
13:00
Weather
-4°
0.4
7
16.03
14:00
Weather
-4°
0.5
8
16.03
15:00
Weather
-4°
0.3
9
16.03
16:00
Weather
-4°
0.2
11
16.03
17:00
Weather
-4°
0.2
11
16.03
18:00
Weather
-4°
0.1
11
16.03
19:00
Weather
-4°
10

Temperature

16°C
-4°C
20:00
16°C
21:00
14°C
22:00
15°C
23:00
14°C
00:00
4°C
01:00
3°C
02:00
2°C
03:00
1°C
04:00
1°C
05:00
1°C
06:00
-0°C
07:00
-1°C
08:00
-1°C
09:00
-2°C
10:00
-3°C
11:00
-3°C
12:00
-4°C
13:00
-4°C
14:00
-4°C
15:00
-4°C
16:00
-4°C
17:00
-4°C
18:00
-4°C
19:00
-4°C
20:00 07:00 19:00

Precipitation

11.6mm
0mm
20:00
3.1mm
21:00
2.2mm
22:00
4.5mm
23:00
11.6mm
00:00
5.3mm
01:00
5.8mm
02:00
6.3mm
03:00
1.6mm
04:00
0.8mm
05:00
0.8mm
06:00
0.3mm
07:00
0.5mm
08:00
0.6mm
09:00
0.5mm
10:00
0.6mm
11:00
0.4mm
12:00
0.4mm
13:00
0.4mm
14:00
0.5mm
15:00
0.3mm
16:00
0.2mm
17:00
0.2mm
18:00
0.1mm
20:00 07:00 19:00

Wind

11.4m/s
0m/s
20:00
8 m/s
21:00
7.5 m/s
22:00
7 m/s
23:00
5.6 m/s
00:00
7.6 m/s
01:00
9.1 m/s
02:00
7.8 m/s
03:00
9.6 m/s
04:00
10.7 m/s
05:00
9.3 m/s
06:00
8 m/s
07:00
7.5 m/s
08:00
6.9 m/s
09:00
6.5 m/s
10:00
6.5 m/s
11:00
7.1 m/s
12:00
7.3 m/s
13:00
7.4 m/s
14:00
7.8 m/s
15:00
9.3 m/s
16:00
10.7 m/s
17:00
11.4 m/s
18:00
11.3 m/s
19:00
10.1 m/s
20:00 07:00 19:00

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
7.7 km
131
43.7%

Measurement time: 2026-03-15 21:00

Calculated from PM2.5/PM10

PM2.5
7.7 km
48 µg/m3
57.1%

Measurement time: 2026-03-15 21:00

source: Aqicn

About Air Quality in Berwyn

Air quality in Berwyn 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 Berwyn

  • 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 Berwyn?

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 Berwyn

If you're planning outdoor activities in Berwyn, 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.