Hourly Weather | Today Friday, September 18, 2026
Newport Beach, California
9 PM
Cloudy Night
70°
Feels Like 70°
0
Humidity: 82%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 84%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
68°
Feels Like 68°
0
Humidity: 86%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.45 µg/m³
  • PM10: 21.82 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.75 µg/m³
  • PM10: 23.04 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.98 µg/m³
  • PM10: 24.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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