Hourly Weather | Today Monday, November 3, 2025
New Haven, Connecticut
9 PM
Cloudy Night
54°
Feels Like 45°
49
Humidity: 81%
Wind: 14 mph
UV Index: 0
10 PM
Cloudy Night
52°
Feels Like 45°
20
Humidity: 73%
Wind: 15 mph
UV Index: 0
11 PM
Cloudy Night
50°
Feels Like 41°
20
Humidity: 71%
Wind: 15 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 8.46 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 8.3 µg/m³
  • O3: 0.042 ppm
  • NO2: 4.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.3 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.