Is time to run? ⚠️☢️☣️

Lake Barcroft (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
11°C
Cloudy
Humidity
88.6%
Wind
6 m/s
Pressure
1026.7 hPa
Direction
211°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
11° / 22°
Precip.
0.5mm
Max wind
6.1 m/s

Hourly Forecast

30.03
Now
Weather
11°
6
30.03
15:00
Weather
12°
30.03
16:00
Weather
15°
5
30.03
17:00
Weather
16°
5
30.03
18:00
Weather
19°
6
30.03
19:00
Weather
19°
5
30.03
20:00
Weather
21°
5
30.03
21:00
Weather
22°
6
30.03
22:00
Weather
21°
0.1
30.03
23:00
Weather
18°
0.4
5
31.03
00:00
Weather
17°
31.03
01:00
Weather
17°
31.03
02:00
Weather
17°
31.03
03:00
Weather
17°
5
31.03
04:00
Weather
17°
6
31.03
05:00
Weather
17°
6
31.03
06:00
Weather
17°
6
31.03
07:00
Weather
17°
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°

Temperature

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

Precipitation

0.4mm
0mm
22:00
0.1mm
23:00
0.4mm
14:00 01:00 13:00

Wind

6.1m/s
0m/s
14:00
5.7 m/s
15:00
5 m/s
16:00
5.4 m/s
17:00
5.4 m/s
18:00
5.5 m/s
19:00
5.2 m/s
20:00
5.4 m/s
21:00
5.5 m/s
22:00
4.8 m/s
23:00
5.3 m/s
00:00
4.8 m/s
01:00
4.1 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 01:00 13:00

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
34.9 km
71
23.7%

Measurement time: 2026-03-30 14:00

Calculated from PM2.5/PM10

O3
13.8 km
86.03 µg/m3
53.8%

Measurement time: 2026-03-30 16:02

source: OpenWeatherMap

PM2.5
34.9 km
22 µg/m3
26.2%

Measurement time: 2026-03-30 14:00

source: Aqicn

PM10
34.9 km
12 µg/m3
8.6%

Measurement time: 2026-03-30 14:00

source: Aqicn

NO2
34.9 km
3 µg/m3
1.5%

Measurement time: 2026-03-30 14:00

source: Aqicn

CO
13.8 km
0.14057 mg/m3
1%

Measurement time: 2026-03-30 16:02

source: OpenWeatherMap

SO2
13.8 km
1.92 µg/m3
0.5%

Measurement time: 2026-03-30 16:02

source: OpenWeatherMap

About Air Quality in Lake Barcroft

Air quality in Lake Barcroft 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 Lake Barcroft

  • 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 Lake Barcroft?

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 Lake Barcroft

If you're planning outdoor activities in Lake Barcroft, 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.