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West Hartford (Connecticut) (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

Couverture nuageuse partielle
9°C
Couverture nuageuse partielle
Humidity
49.1%
Wind
4 m/s
Pressure
1020.8 hPa
Direction
281°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
-2° / 10°
Precip.
0mm
Max wind
4.6 m/s

Hourly Forecast

20.04
Now
Weather
20.04
18:00
Weather
10°
20.04
19:00
Weather
20.04
20:00
Weather
20.04
21:00
Weather
20.04
22:00
Weather
20.04
23:00
Weather
21.04
00:00
Weather
21.04
01:00
Weather
21.04
02:00
Weather
21.04
03:00
Weather
21.04
04:00
Weather
21.04
05:00
Weather
21.04
06:00
Weather
21.04
07:00
Weather
-0°
21.04
08:00
Weather
-1°
21.04
09:00
Weather
-1°
21.04
10:00
Weather
-2°
21.04
11:00
Weather
-1°
21.04
12:00
Weather
21.04
13:00
Weather
21.04
14:00
Weather
21.04
15:00
Weather
21.04
16:00
Weather

Temperature

10°C
-2°C
17:00
9°C
18:00
10°C
19:00
9°C
20:00
9°C
21:00
9°C
22:00
8°C
23:00
7°C
00:00
5°C
01:00
4°C
02:00
3°C
03:00
3°C
04:00
2°C
05:00
1°C
06:00
1°C
07:00
-0°C
08:00
-1°C
09:00
-1°C
10:00
-2°C
11:00
-1°C
12:00
1°C
13:00
3°C
14:00
4°C
15:00
6°C
16:00
7°C
17:00 04:00 16:00

Precipitation

0mm
0mm
17:00 04:00 16:00

Wind

4.6m/s
0m/s
17:00
3.5 m/s
18:00
3.9 m/s
19:00
4 m/s
20:00
4.2 m/s
21:00
4.6 m/s
22:00
4.4 m/s
23:00
3.6 m/s
00:00
3.5 m/s
01:00
3.5 m/s
02:00
3.3 m/s
03:00
3 m/s
04:00
2.8 m/s
05:00
3 m/s
06:00
3 m/s
07:00
2.9 m/s
08:00
2.6 m/s
09:00
2.4 m/s
10:00
2.2 m/s
11:00
2.3 m/s
12:00
1.8 m/s
13:00
1.8 m/s
14:00
2 m/s
15:00
1.3 m/s
16:00
1.2 m/s
17:00 04:00 16:00

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
74.1 km
4
1.3%

Measurement time: 2026-04-20 16:26

Calculated from PM2.5/PM10

O3
74.1 km
119.97 µg/m3
75%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

PM2.5
74.1 km
0.96 µg/m3
1.1%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

CO
74.1 km
0.14663 mg/m3
1%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

PM10
74.1 km
1.43 µg/m3
1%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

NO2
74.1 km
1.68 µg/m3
0.8%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

SO2
74.1 km
0.85 µg/m3
0.2%

Measurement time: 2026-04-20 16:26

source: OpenWeatherMap

Info


Latitude: 41.76204
Longitude: -72.74204


Solar Energy

Moderate
434.2 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for West Hartford

About Air Quality in West Hartford

Air quality in West Hartford 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 West Hartford

  • 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 West Hartford?

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 West Hartford

If you're planning outdoor activities in West Hartford, 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.