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Chevy Chase (Washington, D.C.) (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

Heavy rain
8°C
Heavy rain
Humidity
99%
Wind
3 m/s
Pressure
1012.7 hPa
Direction
63°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
2° / 9°
Precip.
3.4mm
Max wind
9.3 m/s

Hourly Forecast

10.01
Now
Weather
2.4
10.01
22:00
Weather
0.9
10.01
23:00
Weather
0.1
11.01
00:00
Weather
11.01
01:00
Weather
11.01
02:00
Weather
11.01
03:00
Weather
11.01
04:00
Weather
11.01
05:00
Weather
11.01
06:00
Weather
11.01
07:00
Weather
5
11.01
08:00
Weather
6
11.01
09:00
Weather
5
11.01
10:00
Weather
5
11.01
11:00
Weather
6
11.01
12:00
Weather
6
11.01
13:00
Weather
5
11.01
14:00
Weather
11.01
15:00
Weather
11.01
16:00
Weather
11.01
17:00
Weather
8
11.01
18:00
Weather
8
11.01
19:00
Weather
9
11.01
20:00
Weather
9

Temperature

9°C
2°C
21:00
8°C
22:00
8°C
23:00
8°C
00:00
8°C
01:00
8°C
02:00
9°C
03:00
8°C
04:00
8°C
05:00
8°C
06:00
8°C
07:00
9°C
08:00
9°C
09:00
8°C
10:00
7°C
11:00
5°C
12:00
4°C
13:00
2°C
14:00
3°C
15:00
4°C
16:00
6°C
17:00
7°C
18:00
6°C
19:00
6°C
20:00
5°C
21:00 08:00 20:00

Precipitation

2.4mm
0mm
21:00
2.4mm
22:00
0.9mm
23:00
0.1mm
21:00 08:00 20:00

Wind

9.3m/s
0m/s
21:00
3.2 m/s
22:00
4 m/s
23:00
2.6 m/s
00:00
1.5 m/s
01:00
2.2 m/s
02:00
3 m/s
03:00
3.4 m/s
04:00
3.5 m/s
05:00
3.5 m/s
06:00
4 m/s
07:00
5.4 m/s
08:00
5.6 m/s
09:00
5.2 m/s
10:00
5.3 m/s
11:00
5.7 m/s
12:00
5.5 m/s
13:00
5.2 m/s
14:00
4.4 m/s
15:00
4.3 m/s
16:00
4.5 m/s
17:00
7.5 m/s
18:00
8.1 m/s
19:00
8.7 m/s
20:00
9.3 m/s
21:00 08:00 20:00

Radiation

0.08 uSv
42.5 km
10%

source: safecast

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About Air Quality in Chevy Chase

Air quality in Chevy Chase 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 Chevy Chase

  • 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 Chevy Chase?

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 Chevy Chase

If you're planning outdoor activities in Chevy Chase, 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.