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Reisterstown (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

Cloudy
5°C
Cloudy
Humidity
46.2%
Wind
3 m/s
Pressure
1026.2 hPa
Direction
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
1° / 11°
Precip.
0.3mm
Max wind
7.3 m/s

Hourly Forecast

15.03
Now
Weather
15.03
03:00
Weather
15.03
04:00
Weather
15.03
05:00
Weather
15.03
06:00
Weather
15.03
07:00
Weather
15.03
08:00
Weather
15.03
09:00
Weather
15.03
10:00
Weather
15.03
11:00
Weather
15.03
12:00
Weather
5
15.03
13:00
Weather
15.03
14:00
Weather
6
15.03
15:00
Weather
6
15.03
16:00
Weather
7
15.03
17:00
Weather
7
15.03
18:00
Weather
7
15.03
19:00
Weather
10°
7
15.03
20:00
Weather
11°
7
15.03
21:00
Weather
11°
7
15.03
22:00
Weather
11°
0.2
7
15.03
23:00
Weather
0.1
6
16.03
00:00
Weather
7
16.03
01:00
Weather
7

Temperature

11°C
1°C
02:00
5°C
03:00
5°C
04:00
4°C
05:00
3°C
06:00
3°C
07:00
2°C
08:00
2°C
09:00
2°C
10:00
1°C
11:00
1°C
12:00
1°C
13:00
3°C
14:00
5°C
15:00
7°C
16:00
8°C
17:00
9°C
18:00
9°C
19:00
10°C
20:00
11°C
21:00
11°C
22:00
11°C
23:00
9°C
00:00
9°C
01:00
9°C
02:00 13:00 01:00

Precipitation

0.2mm
0mm
22:00
0.2mm
23:00
0.1mm
02:00 13:00 01:00

Wind

7.3m/s
0m/s
02:00
3.1 m/s
03:00
3.2 m/s
04:00
3.3 m/s
05:00
3 m/s
06:00
3.1 m/s
07:00
3.5 m/s
08:00
3.8 m/s
09:00
4 m/s
10:00
4.4 m/s
11:00
4.8 m/s
12:00
5.1 m/s
13:00
5 m/s
14:00
5.8 m/s
15:00
6.3 m/s
16:00
6.8 m/s
17:00
7.1 m/s
18:00
7.2 m/s
19:00
7.3 m/s
20:00
7.3 m/s
21:00
6.8 m/s
22:00
6.6 m/s
23:00
6.4 m/s
00:00
6.6 m/s
01:00
6.8 m/s
02:00 13:00 01:00

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
17.2 km
61
20.3%

Measurement time: 2026-03-15 01:00

Calculated from PM2.5/PM10

O3
21.4 km
77.11 µg/m3
48.2%

Measurement time: 2026-03-15 01:38

source: OpenWeatherMap

PM2.5
17.2 km
17 µg/m3
20.2%

Measurement time: 2026-03-15 01:00

source: Aqicn

NO2
21.4 km
12.79 µg/m3
6.4%

Measurement time: 2026-03-15 01:38

source: OpenWeatherMap

PM10
21.4 km
4.44 µg/m3
3.2%

Measurement time: 2026-03-15 01:38

source: OpenWeatherMap

CO
21.4 km
0.21506 mg/m3
1.5%

Measurement time: 2026-03-15 01:38

source: OpenWeatherMap

SO2
21.4 km
0.86 µg/m3
0.2%

Measurement time: 2026-03-15 01:38

source: OpenWeatherMap

About Air Quality in Reisterstown

Air quality in Reisterstown 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 Reisterstown

  • 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 Reisterstown?

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 Reisterstown

If you're planning outdoor activities in Reisterstown, 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.