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Westbrook (Maine) (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

Nieve
-5°C
Nieve
Humidity
76.7%
Wind
11 m/s
Pressure
997 hPa
Direction
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-7° / -3°
Precip.
5mm
Max wind
12.7 m/s

Hourly Forecast

23.02
Now
Weather
-5°
0.6
11
23.02
19:00
Weather
-4°
0.7
13
23.02
20:00
Weather
-4°
0.8
13
23.02
21:00
Weather
-4°
0.9
12
23.02
22:00
Weather
-4°
0.6
11
23.02
23:00
Weather
-4°
0.5
11
24.02
00:00
Weather
-4°
0.4
11
24.02
01:00
Weather
-4°
0.3
10
24.02
02:00
Weather
-4°
0.2
9
24.02
03:00
Weather
-4°
9
24.02
04:00
Weather
-5°
8
24.02
05:00
Weather
-5°
8
24.02
06:00
Weather
-5°
8
24.02
07:00
Weather
-6°
8
24.02
08:00
Weather
-6°
7
24.02
09:00
Weather
-6°
7
24.02
10:00
Weather
-7°
7
24.02
11:00
Weather
-7°
6
24.02
12:00
Weather
-7°
6
24.02
13:00
Weather
-7°
6
24.02
14:00
Weather
-6°
6
24.02
15:00
Weather
-5°
6
24.02
16:00
Weather
-4°
24.02
17:00
Weather
-3°

Temperature

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

Precipitation

0.9mm
0mm
18:00
0.6mm
19:00
0.7mm
20:00
0.8mm
21:00
0.9mm
22:00
0.6mm
23:00
0.5mm
00:00
0.4mm
01:00
0.3mm
02:00
0.2mm
18:00 05:00 17:00

Wind

12.7m/s
0m/s
18:00
10.8 m/s
19:00
12.7 m/s
20:00
12.6 m/s
21:00
12 m/s
22:00
11.2 m/s
23:00
11 m/s
00:00
10.6 m/s
01:00
9.9 m/s
02:00
9.2 m/s
03:00
8.6 m/s
04:00
8.2 m/s
05:00
8.1 m/s
06:00
8.1 m/s
07:00
7.9 m/s
08:00
7.2 m/s
09:00
6.9 m/s
10:00
6.7 m/s
11:00
6 m/s
12:00
5.5 m/s
13:00
5.6 m/s
14:00
5.7 m/s
15:00
5.5 m/s
16:00
5 m/s
17:00
4.4 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
73.5 km
50
16.7%

Measurement time: 2026-02-23 17:00

Calculated from PM2.5/PM10

O3
63.3 km
94.59 µg/m3
59.1%

Measurement time: 2026-02-23 17:55

source: OpenWeatherMap

PM2.5
73.5 km
12 µg/m3
14.3%

Measurement time: 2026-02-23 17:00

source: Aqicn

PM10
73.5 km
10 µg/m3
7.1%

Measurement time: 2026-02-23 17:00

source: Aqicn

NO2
63.3 km
2.68 µg/m3
1.3%

Measurement time: 2026-02-23 17:55

source: OpenWeatherMap

CO
63.3 km
0.15211 mg/m3
1.1%

Measurement time: 2026-02-23 17:55

source: OpenWeatherMap

SO2
73.5 km
0.9 µg/m3
0.3%

Measurement time: 2026-02-23 17:00

source: Aqicn

Info


Region: Maine
Latitude: 43.67703
Longitude: -70.37116


Solar Energy

Low
172.4 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Westbrook

About Air Quality in Westbrook

Air quality in Westbrook 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 Westbrook

  • 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 Westbrook?

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 Westbrook

If you're planning outdoor activities in Westbrook, 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.