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North Potomac (Maryland) (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

Clear sky
27°C
Clear sky
Humidity
49.6%
Wind
2 m/s
Pressure
1020.7 hPa
Direction
196°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
19° / 29°
Precip.
7mm
Max wind
6.8 m/s

Hourly Forecast

04.04
Now
Weather
27°
04.04
17:00
Weather
28°
04.04
18:00
Weather
29°
04.04
19:00
Weather
29°
04.04
20:00
Weather
29°
5
04.04
21:00
Weather
29°
6
04.04
22:00
Weather
28°
5
04.04
23:00
Weather
26°
05.04
00:00
Weather
25°
5
05.04
01:00
Weather
24°
6
05.04
02:00
Weather
23°
6
05.04
03:00
Weather
23°
6
05.04
04:00
Weather
22°
6
05.04
05:00
Weather
22°
6
05.04
06:00
Weather
22°
6
05.04
07:00
Weather
21°
7
05.04
08:00
Weather
21°
7
05.04
09:00
Weather
20°
7
05.04
10:00
Weather
20°
6
05.04
11:00
Weather
20°
6
05.04
12:00
Weather
20°
7
05.04
13:00
Weather
21°
1.1
7
05.04
14:00
Weather
20°
1.9
7
05.04
15:00
Weather
19°
4
5

Temperature

29°C
19°C
16:00
27°C
17:00
28°C
18:00
29°C
19:00
29°C
20:00
29°C
21:00
29°C
22:00
28°C
23:00
26°C
00:00
25°C
01:00
24°C
02:00
23°C
03:00
23°C
04:00
22°C
05:00
22°C
06:00
22°C
07:00
21°C
08:00
21°C
09:00
20°C
10:00
20°C
11:00
20°C
12:00
20°C
13:00
21°C
14:00
20°C
15:00
19°C
16:00 03:00 15:00

Precipitation

4mm
0mm
13:00
1.1mm
14:00
1.9mm
15:00
4mm
16:00 03:00 15:00

Wind

6.8m/s
0m/s
16:00
1.9 m/s
17:00
2.3 m/s
18:00
3.3 m/s
19:00
4.3 m/s
20:00
5.1 m/s
21:00
5.7 m/s
22:00
5.2 m/s
23:00
4.9 m/s
00:00
5.3 m/s
01:00
5.6 m/s
02:00
6.2 m/s
03:00
5.7 m/s
04:00
6.1 m/s
05:00
6.2 m/s
06:00
6.3 m/s
07:00
6.5 m/s
08:00
6.5 m/s
09:00
6.6 m/s
10:00
6.4 m/s
11:00
6 m/s
12:00
6.5 m/s
13:00
6.7 m/s
14:00
6.8 m/s
15:00
5.3 m/s
16:00 03:00 15:00

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
36.9 km
78
26%

Measurement time: 2026-04-04 17:00

Calculated from PM2.5/PM10

O3
40.1 km
83.4 µg/m3
52.1%

Measurement time: 2026-04-04 17:48

source: OpenWeatherMap

PM2.5
36.9 km
25 µg/m3
29.8%

Measurement time: 2026-04-04 17:00

source: Aqicn

PM10
40.1 km
7.84 µg/m3
5.6%

Measurement time: 2026-04-04 17:48

source: OpenWeatherMap

CO
40.1 km
0.13071 mg/m3
0.9%

Measurement time: 2026-04-04 17:48

source: OpenWeatherMap

NO2
40.1 km
1.33 µg/m3
0.7%

Measurement time: 2026-04-04 17:48

source: OpenWeatherMap

SO2
40.1 km
1.18 µg/m3
0.3%

Measurement time: 2026-04-04 17:48

source: OpenWeatherMap

About Air Quality in North Potomac

Air quality in North Potomac 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 North Potomac

  • 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 North Potomac?

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 North Potomac

If you're planning outdoor activities in North Potomac, 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.