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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Saturday, September 20, 2025
Washington, District of Columbia
7 AM
Partly Sunny with Showers
66°
Feels Like 63°
40
Humidity: 77%
Wind: 7 mph
UV Index: 0
8 AM
Cloudy Weather
64°
Feels Like 64°
7
Humidity: 77%
Wind: 7 mph
UV Index: 10
9 AM
Cloudy Weather
66°
Feels Like 66°
4
Humidity: 70%
Wind: 8 mph
UV Index: 19
10 AM
Cloudy Weather
70°
Feels Like 72°
4
Humidity: 63%
Wind: 8 mph
UV Index: 29
11 AM
Cloudy Weather
73°
Feels Like 75°
4
Humidity: 57%
Wind: 8 mph
UV Index: 41
12 PM
Cloudy Weather
75°
Feels Like 79°
4
Humidity: 55%
Wind: 8 mph
UV Index: 48
1 PM
Cloudy Weather
75°
Feels Like 81°
4
Humidity: 55%
Wind: 8 mph
UV Index: 53
2 PM
Cloudy Weather
79°
Feels Like 79°
4
Humidity: 55%
Wind: 8 mph
UV Index: 33
3 PM
Cloudy Weather
79°
Feels Like 81°
4
Humidity: 54%
Wind: 8 mph
UV Index: 27
4 PM
Cloudy Weather
79°
Feels Like 79°
4
Humidity: 57%
Wind: 8 mph
UV Index: 19
5 PM
Cloudy Weather
77°
Feels Like 77°
4
Humidity: 61%
Wind: 8 mph
UV Index: 13
6 PM
Cloudy Weather
75°
Feels Like 75°
4
Humidity: 64%
Wind: 8 mph
UV Index: 7
7 PM
Cloudy Weather
73°
Feels Like 72°
5
Humidity: 72%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
72°
Feels Like 70°
7
Humidity: 80%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
70°
Feels Like 68°
7
Humidity: 84%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
70°
Feels Like 66°
7
Humidity: 85%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
66°
Feels Like 66°
7
Humidity: 88%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.07 µg/m³
  • PM10: 18.06 µg/m³
  • O₃: 22.32 ppb
  • NO₂: 15.69 ppb
  • SO₂: 2.13 ppb
  • CO: 357.54 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.21 µg/m³
  • PM10: 14.07 µg/m³
  • O₃: 20.71 ppb
  • NO₂: 13.57 ppb
  • SO₂: 1.99 ppb
  • CO: 309.93 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.79 µg/m³
  • PM10: 9.06 µg/m³
  • O₃: 20.96 ppb
  • NO₂: 9.80 ppb
  • SO₂: 2.31 ppb
  • CO: 242.75 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.61 µg/m³
  • PM10: 7.95 µg/m³
  • O₃: 24.28 ppb
  • NO₂: 8.37 ppb
  • SO₂: 2.26 ppb
  • CO: 220.11 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.67 µg/m³
  • PM10: 8.03 µg/m³
  • O₃: 27.60 ppb
  • NO₂: 6.95 ppb
  • SO₂: 2.21 ppb
  • CO: 197.46 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.40 µg/m³
  • PM10: 8.81 µg/m³
  • O₃: 36.89 ppb
  • NO₂: 5.74 ppb
  • SO₂: 2.16 ppb
  • CO: 193.84 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.86 µg/m³
  • PM10: 10.34 µg/m³
  • O₃: 46.17 ppb
  • NO₂: 4.54 ppb
  • SO₂: 2.11 ppb
  • CO: 190.22 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.48 µg/m³
  • PM10: 12.04 µg/m³
  • O₃: 55.45 ppb
  • NO₂: 3.33 ppb
  • SO₂: 2.07 ppb
  • CO: 186.60 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.73 µg/m³
  • PM10: 13.33 µg/m³
  • O₃: 57.36 ppb
  • NO₂: 3.31 ppb
  • SO₂: 1.99 ppb
  • CO: 186.54 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.12 µg/m³
  • PM10: 13.73 µg/m³
  • O₃: 59.27 ppb
  • NO₂: 3.29 ppb
  • SO₂: 1.91 ppb
  • CO: 186.48 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.04 µg/m³
  • PM10: 13.66 µg/m³
  • O₃: 61.17 ppb
  • NO₂: 3.27 ppb
  • SO₂: 1.83 ppb
  • CO: 186.42 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.04 µg/m³
  • PM10: 13.64 µg/m³
  • O₃: 53.20 ppb
  • NO₂: 7.04 ppb
  • SO₂: 1.86 ppb
  • CO: 213.38 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.79 µg/m³
  • PM10: 14.31 µg/m³
  • O₃: 45.22 ppb
  • NO₂: 10.81 ppb
  • SO₂: 1.88 ppb
  • CO: 240.33 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.11 µg/m³
  • PM10: 15.61 µg/m³
  • O₃: 37.24 ppb
  • NO₂: 14.57 ppb
  • SO₂: 1.90 ppb
  • CO: 267.28 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.46 µg/m³
  • PM10: 16.09 µg/m³
  • O₃: 36.03 ppb
  • NO₂: 13.04 ppb
  • SO₂: 1.74 ppb
  • CO: 253.92 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 13.86 µg/m³
  • PM10: 14.75 µg/m³
  • O₃: 34.82 ppb
  • NO₂: 11.50 ppb
  • SO₂: 1.58 ppb
  • CO: 240.56 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
63 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.09 µg/m³
  • PM10: 13.24 µg/m³
  • O₃: 33.61 ppb
  • NO₂: 9.97 ppb
  • SO₂: 1.42 ppb
  • CO: 227.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

Current Real-Time Air Quality Report