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Fairfax Station (Virginia) (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
18°C
Cloudy
Humidity
56.1%
Wind
6 m/s
Pressure
1024.2 hPa
Direction
219°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
15° / 25°
Precip.
1.4mm
Max wind
6.1 m/s

Hourly Forecast

30.03
Now
Weather
18°
6
30.03
19:00
Weather
18°
5
30.03
20:00
Weather
20°
6
30.03
21:00
Weather
21°
0.6
5
30.03
22:00
Weather
20°
0.5
30.03
23:00
Weather
17°
0.3
5
31.03
00:00
Weather
18°
31.03
01:00
Weather
17°
31.03
02:00
Weather
17°
31.03
03:00
Weather
16°
5
31.03
04:00
Weather
16°
6
31.03
05:00
Weather
17°
6
31.03
06:00
Weather
17°
6
31.03
07:00
Weather
16°
6
31.03
08:00
Weather
16°
6
31.03
09:00
Weather
16°
6
31.03
10:00
Weather
15°
5
31.03
11:00
Weather
15°
31.03
12:00
Weather
15°
31.03
13:00
Weather
17°
31.03
14:00
Weather
19°
31.03
15:00
Weather
21°
31.03
16:00
Weather
23°
31.03
17:00
Weather
25°
5

Temperature

25°C
15°C
18:00
18°C
19:00
18°C
20:00
20°C
21:00
21°C
22:00
20°C
23:00
17°C
00:00
18°C
01:00
17°C
02:00
17°C
03:00
16°C
04:00
16°C
05:00
17°C
06:00
17°C
07:00
16°C
08:00
16°C
09:00
16°C
10:00
15°C
11:00
15°C
12:00
15°C
13:00
17°C
14:00
19°C
15:00
21°C
16:00
23°C
17:00
25°C
18:00 05:00 17:00

Precipitation

0.6mm
0mm
21:00
0.6mm
22:00
0.5mm
23:00
0.3mm
18:00 05:00 17:00

Wind

6.1m/s
0m/s
18:00
5.5 m/s
19:00
5.2 m/s
20:00
5.5 m/s
21:00
5.4 m/s
22:00
4.8 m/s
23:00
5.3 m/s
00:00
4.8 m/s
01:00
3.9 m/s
02:00
4.8 m/s
03:00
5.1 m/s
04:00
5.6 m/s
05:00
5.8 m/s
06:00
6.1 m/s
07:00
6.1 m/s
08:00
5.8 m/s
09:00
5.7 m/s
10:00
5.3 m/s
11:00
5 m/s
12:00
4.8 m/s
13:00
4.6 m/s
14:00
4.7 m/s
15:00
4.9 m/s
16:00
4.9 m/s
17:00
5.3 m/s
18:00 05:00 17:00

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
43 km
18
6%

Measurement time: 2026-03-30 19:19

Calculated from PM2.5/PM10

O3
43 km
100.07 µg/m3
62.5%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

PM10
43 km
12.71 µg/m3
9.1%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

PM2.5
43 km
4.5 µg/m3
5.4%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

CO
43 km
0.13707 mg/m3
1%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

NO2
43 km
1.61 µg/m3
0.8%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

SO2
43 km
2.15 µg/m3
0.6%

Measurement time: 2026-03-30 19:19

source: OpenWeatherMap

About Air Quality in Fairfax Station

Air quality in Fairfax Station 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 Fairfax Station

  • 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 Fairfax Station?

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 Fairfax Station

If you're planning outdoor activities in Fairfax Station, 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.