Hourly Weather | Today Tuesday, January 13, 2026
Portsmouth, Virginia
7 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 41%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Night
46°
Feels Like 39°
0
Humidity: 44%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Night
45°
Feels Like 37°
0
Humidity: 47%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Night
45°
Feels Like 37°
0
Humidity: 48%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy Night
43°
Feels Like 37°
0
Humidity: 49%
Wind: 10 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 5.97 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 6.22 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.43 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.92 µg/m³
  • PM10: 7.08 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.9 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 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: 6.54 µg/m³
  • PM10: 7.72 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.9 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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