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Havre de Grace (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
-1°C
Cloudy
Humidity
86.1%
Wind
2 m/s
Pressure
1022 hPa
Direction
20°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-8° / -1°
Precip.
0mm
Max wind
4.9 m/s

Hourly Forecast

04.02
Now
Weather
-1°
04.02
08:00
Weather
-1°
04.02
09:00
Weather
-1°
04.02
10:00
Weather
-1°
04.02
11:00
Weather
-1°
04.02
12:00
Weather
-2°
04.02
13:00
Weather
-2°
04.02
14:00
Weather
-3°
04.02
15:00
Weather
-4°
04.02
16:00
Weather
-4°
04.02
17:00
Weather
-4°
04.02
18:00
Weather
-3°
04.02
19:00
Weather
-3°
04.02
20:00
Weather
-3°
04.02
21:00
Weather
-3°
04.02
22:00
Weather
-4°
04.02
23:00
Weather
-5°
05.02
00:00
Weather
-5°
05.02
01:00
Weather
-5°
05.02
02:00
Weather
-6°
05.02
03:00
Weather
-6°
05.02
04:00
Weather
-6°
05.02
05:00
Weather
-7°
05.02
06:00
Weather
-8°

Temperature

-1°C
-8°C
07:00
-1°C
08:00
-1°C
09:00
-1°C
10:00
-1°C
11:00
-1°C
12:00
-2°C
13:00
-2°C
14:00
-3°C
15:00
-4°C
16:00
-4°C
17:00
-4°C
18:00
-3°C
19:00
-3°C
20:00
-3°C
21:00
-3°C
22:00
-4°C
23:00
-5°C
00:00
-5°C
01:00
-5°C
02:00
-6°C
03:00
-6°C
04:00
-6°C
05:00
-7°C
06:00
-8°C
07:00 18:00 06:00

Precipitation

0mm
0mm
07:00 18:00 06:00

Wind

4.9m/s
0m/s
07:00
2.3 m/s
08:00
3.2 m/s
09:00
3 m/s
10:00
3.2 m/s
11:00
3.2 m/s
12:00
3.5 m/s
13:00
4.1 m/s
14:00
4.9 m/s
15:00
4.9 m/s
16:00
4.5 m/s
17:00
4.2 m/s
18:00
4.1 m/s
19:00
4.1 m/s
20:00
3.7 m/s
21:00
4 m/s
22:00
2.8 m/s
23:00
2.6 m/s
00:00
2.8 m/s
01:00
2.6 m/s
02:00
2.8 m/s
03:00
3.4 m/s
04:00
3.8 m/s
05:00
3.6 m/s
06:00
3.6 m/s
07:00 18:00 06:00

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
69.3 km
170
56.7%

Measurement time: 2026-02-04 06:00

Calculated from PM2.5/PM10

PM2.5
69.3 km
93 µg/m3
110.7%

Measurement time: 2026-02-04 06:00

source: Aqicn

PM10
78.1 km
39.39 µg/m3
28.1%

Measurement time: 2026-02-04 07:49

source: OpenWeatherMap

NO2
69.3 km
33.5 µg/m3
16.8%

Measurement time: 2026-02-04 06:00

source: Aqicn

O3
78.1 km
24.75 µg/m3
15.5%

Measurement time: 2026-02-04 07:49

source: OpenWeatherMap

CO
78.1 km
0.39559 mg/m3
2.8%

Measurement time: 2026-02-04 07:49

source: OpenWeatherMap

SO2
78.1 km
3.14 µg/m3
0.9%

Measurement time: 2026-02-04 07:49

source: OpenWeatherMap

Info


Region: Maryland
Latitude: 39.54928
Longitude: -76.09162

About Air Quality in Havre de Grace

Air quality in Havre de Grace 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 Havre de Grace

  • 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 Havre de Grace?

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 Havre de Grace

If you're planning outdoor activities in Havre de Grace, 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.