Is time to run? ⚠️☢️☣️

Charlton (Massachusetts) (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
3°C
Cloudy
Humidity
74%
Wind
4 m/s
Pressure
1013.1 hPa
Direction
165°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
0° / 9°
Precip.
12.2mm
Max wind
7.8 m/s

Hourly Forecast

22.03
Now
Weather
22.03
14:00
Weather
22.03
15:00
Weather
8
22.03
16:00
Weather
1
7
22.03
17:00
Weather
0.6
6
22.03
18:00
Weather
0.4
6
22.03
19:00
Weather
0.4
5
22.03
20:00
Weather
0.1
22.03
21:00
Weather
22.03
22:00
Weather
22.03
23:00
Weather
23.03
00:00
Weather
23.03
01:00
Weather
0.2
23.03
02:00
Weather
0.3
23.03
03:00
Weather
0.8
23.03
04:00
Weather
1.4
23.03
05:00
Weather
0.5
23.03
06:00
Weather
1
23.03
07:00
Weather
1.6
23.03
08:00
Weather
1
23.03
09:00
Weather
1.3
5
23.03
10:00
Weather
1.1
23.03
11:00
Weather
0.5
23.03
12:00
Weather

Temperature

9°C
0°C
13:00
3°C
14:00
4°C
15:00
7°C
16:00
9°C
17:00
8°C
18:00
8°C
19:00
8°C
20:00
9°C
21:00
9°C
22:00
9°C
23:00
8°C
00:00
8°C
01:00
7°C
02:00
7°C
03:00
7°C
04:00
7°C
05:00
6°C
06:00
4°C
07:00
3°C
08:00
2°C
09:00
1°C
10:00
1°C
11:00
1°C
12:00
0°C
13:00 00:00 12:00

Precipitation

1.6mm
0mm
16:00
1mm
17:00
0.6mm
18:00
0.4mm
19:00
0.4mm
20:00
0.1mm
01:00
0.2mm
02:00
0.3mm
03:00
0.8mm
04:00
1.4mm
05:00
0.5mm
06:00
1mm
07:00
1.6mm
08:00
1mm
09:00
1.3mm
10:00
1.1mm
11:00
0.5mm
13:00 00:00 12:00

Wind

7.8m/s
0m/s
13:00
4.3 m/s
14:00
4.7 m/s
15:00
7.8 m/s
16:00
7.3 m/s
17:00
6 m/s
18:00
5.8 m/s
19:00
5.2 m/s
20:00
4.4 m/s
21:00
4.2 m/s
22:00
3.1 m/s
23:00
2.9 m/s
00:00
2.8 m/s
01:00
2.5 m/s
02:00
1.8 m/s
03:00
1.8 m/s
04:00
3.3 m/s
05:00
4.9 m/s
06:00
4.6 m/s
07:00
4.6 m/s
08:00
4.8 m/s
09:00
5.4 m/s
10:00
5 m/s
11:00
4.9 m/s
12:00
4.9 m/s
13:00 00:00 12:00

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
61.5 km
37
12.3%

Measurement time: 2026-03-22 12:00

Calculated from PM2.5/PM10

O3
82.5 km
104.92 µg/m3
65.6%

Measurement time: 2026-03-22 12:33

source: OpenWeatherMap

PM2.5
61.5 km
9 µg/m3
10.7%

Measurement time: 2026-03-22 12:00

source: Aqicn

PM10
82.5 km
11.27 µg/m3
8.1%

Measurement time: 2026-03-22 12:33

source: OpenWeatherMap

CO
47.5 km
0.20981 mg/m3
1.5%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

NO2
47.5 km
2.83 µg/m3
1.4%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

SO2
47.5 km
0.81 µg/m3
0.2%

Measurement time: 2026-03-22 11:01

source: OpenWeatherMap

Info


Latitude: 42.13565
Longitude: -71.97007


Solar Energy

Low
275.4 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Charlton

About Air Quality in Charlton

Air quality in Charlton 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 Charlton

  • 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 Charlton?

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 Charlton

If you're planning outdoor activities in Charlton, 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.