Hourly Weather | Today Tuesday, September 1, 2026
Dale City, Virginia
12 PM
Cloudy Weather
88°
Feels Like 100°
0
Humidity: 60%
UV Index: 7
Wind: 6 mph
1 PM
Cloudy Weather
90°
Feels Like 100°
1
Humidity: 52%
UV Index: 7
Wind: 7 mph
2 PM
Cloudy Weather
91°
Feels Like 100°
9
Humidity: 49%
UV Index: 7
Wind: 7 mph
3 PM
Cloudy Weather
93°
Feels Like 100°
9
Humidity: 47%
UV Index: 5
Wind: 7 mph
4 PM
Cloudy Weather
93°
Feels Like 100°
13
Humidity: 44%
UV Index: 4
Wind: 7 mph
5 PM
Cloudy Weather
91°
Feels Like 97°
43
Humidity: 47%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
90°
Feels Like 93°
47
Humidity: 52%
UV Index: 1
Wind: 7 mph
7 PM
Sunny with a Chance of Thunderstorms
86°
Feels Like 90°
51
Humidity: 67%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
86°
Feels Like 91°
22
Humidity: 64%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
82°
Feels Like 88°
17
Humidity: 72%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
81°
Feels Like 84°
17
Humidity: 78%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
77°
Feels Like 82°
17
Humidity: 84%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.7 µg/m³
  • PM10: 8.18 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.86 µg/m³
  • PM10: 7.23 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.94 µg/m³
  • PM10: 6.28 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 5.55 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

4 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 5.23 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 5 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 5.44 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.77 µg/m³
  • PM10: 5.76 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.81 µg/m³
  • PM10: 6.01 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.88 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.9 µg/m³
  • PM10: 6.35 µg/m³
  • O3: 0.013 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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