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Waterville (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
75%
Wind
9 m/s
Pressure
998.6 hPa
Direction
359°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-7° / -3°
Precip.
5mm
Max wind
9.4 m/s

Hourly Forecast

23.02
Now
Weather
-5°
0.6
9
23.02
21:00
Weather
-5°
0.8
9
23.02
22:00
Weather
-5°
0.8
9
23.02
23:00
Weather
-5°
0.6
9
24.02
00:00
Weather
-5°
0.5
9
24.02
01:00
Weather
-5°
0.6
8
24.02
02:00
Weather
-5°
0.6
8
24.02
03:00
Weather
-5°
0.3
7
24.02
04:00
Weather
-5°
0.2
7
24.02
05:00
Weather
-5°
7
24.02
06:00
Weather
-5°
7
24.02
07:00
Weather
-6°
7
24.02
08:00
Weather
-6°
7
24.02
09:00
Weather
-6°
6
24.02
10:00
Weather
-6°
6
24.02
11:00
Weather
-7°
6
24.02
12:00
Weather
-7°
6
24.02
13:00
Weather
-7°
24.02
14:00
Weather
-6°
5
24.02
15:00
Weather
-5°
5
24.02
16:00
Weather
-4°
5
24.02
17:00
Weather
-4°
24.02
18:00
Weather
-3°
24.02
19:00
Weather
-3°

Temperature

-3°C
-7°C
20:00
-5°C
21:00
-5°C
22:00
-5°C
23:00
-5°C
00:00
-5°C
01:00
-5°C
02:00
-5°C
03:00
-5°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
-6°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
-4°C
18:00
-3°C
19:00
-3°C
20:00 07:00 19:00

Precipitation

0.8mm
0mm
20:00
0.6mm
21:00
0.8mm
22:00
0.8mm
23:00
0.6mm
00:00
0.5mm
01:00
0.6mm
02:00
0.6mm
03:00
0.3mm
04:00
0.2mm
20:00 07:00 19:00

Wind

9.4m/s
0m/s
20:00
9 m/s
21:00
9.4 m/s
22:00
9.4 m/s
23:00
9 m/s
00:00
8.6 m/s
01:00
8 m/s
02:00
7.6 m/s
03:00
7.4 m/s
04:00
7.4 m/s
05:00
7.4 m/s
06:00
7.2 m/s
07:00
7 m/s
08:00
6.7 m/s
09:00
6.2 m/s
10:00
6.3 m/s
11:00
6.3 m/s
12:00
5.7 m/s
13:00
4.7 m/s
14:00
5.3 m/s
15:00
5.4 m/s
16:00
5.2 m/s
17:00
4.9 m/s
18:00
4.8 m/s
19:00
4.6 m/s
20:00 07:00 19:00

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
74 km
52
17.3%

Measurement time: 2026-02-23 20:00

Calculated from PM2.5/PM10

O3
65.7 km
92.32 µg/m3
57.7%

Measurement time: 2026-02-23 21:17

source: OpenWeatherMap

PM2.5
74 km
13 µg/m3
15.5%

Measurement time: 2026-02-23 20:00

source: Aqicn

PM10
74 km
9 µg/m3
6.4%

Measurement time: 2026-02-23 20:00

source: Aqicn

CO
65.7 km
0.1394 mg/m3
1%

Measurement time: 2026-02-23 21:17

source: OpenWeatherMap

NO2
65.7 km
1.08 µg/m3
0.5%

Measurement time: 2026-02-23 21:17

source: OpenWeatherMap

SO2
65.7 km
0.2 µg/m3
0.1%

Measurement time: 2026-02-23 21:17

source: OpenWeatherMap

Info


Region: Maine
Latitude: 44.55201
Longitude: -69.63171

Cities in the area:


Solar Energy

Very low
9.6 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Waterville

About Air Quality in Waterville

Air quality in Waterville 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 Waterville

  • 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 Waterville?

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 Waterville

If you're planning outdoor activities in Waterville, 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.