Hourly Weather | Today Wednesday, March 18, 2026
Richmond, Virginia
1 PM
Cloudy Weather
43°
Feels Like 48°
0
Humidity: 27%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
43°
Feels Like 50°
0
Humidity: 27%
UV Index: 5
Wind: 6 mph
3 PM
Cloudy Weather
45°
Feels Like 50°
0
Humidity: 26%
UV Index: 4
Wind: 6 mph
4 PM
Cloudy Weather
45°
Feels Like 48°
0
Humidity: 26%
UV Index: 3
Wind: 6 mph
5 PM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 26%
UV Index: 2
Wind: 6 mph
6 PM
Sunny Weather
45°
Feels Like 45°
0
Humidity: 29%
UV Index: 1
Wind: 6 mph
7 PM
Sunny Weather
43°
Feels Like 41°
0
Humidity: 32%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 38%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
37°
Feels Like 36°
0
Humidity: 45%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
36°
Feels Like 32°
0
Humidity: 54%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
34°
Feels Like 30°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 2.37 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

2 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

3 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.3 µg/m³
  • PM10: 2.89 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.23 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 2.74 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.52 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 4.12 µg/m³
  • O3: 0.048 ppm
  • NO2: 4.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.65 µg/m³
  • PM10: 5.07 µg/m³
  • O3: 0.044 ppm
  • NO2: 6 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 6.03 µg/m³
  • O3: 0.042 ppm
  • NO2: 6.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 6.9 µg/m³
  • O3: 0.041 ppm
  • NO2: 6.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 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: 5.52 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.039 ppm
  • NO2: 6.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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