Hourly Weather | Today | Saturday, August 23, 2025
Hartford, Connecticut
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 70°
0
Humidity: 63%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 73%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
66°
Feels Like 64°
0
Humidity: 84%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
64 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.69 µg/m³
  • PM10: 9.58 µg/m³
  • O₃: 50.61 ppb
  • NO₂: 6.28 ppb
  • SO₂: 0.54 ppb
  • CO: 292.51 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
59 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.32 µg/m³
  • PM10: 9.14 µg/m³
  • O₃: 47.37 ppb
  • NO₂: 5.54 ppb
  • SO₂: 0.55 ppb
  • CO: 266.08 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
52 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.62 µg/m³
  • PM10: 8.54 µg/m³
  • O₃: 41.71 ppb
  • NO₂: 3.16 ppb
  • SO₂: 0.60 ppb
  • CO: 152.95 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.