Washington, District of Columbia
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.54 µg/m³
- O3:
0.047 ppm
- NO2:
1.2 ppb
- SO2:
0.3 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.52 µg/m³
- O3:
0.044 ppm
- NO2:
1.1 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.5 µg/m³
- O3:
0.043 ppm
- NO2:
1 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.5 µg/m³
- O3:
0.042 ppm
- NO2:
1 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.5 µg/m³
- O3:
0.042 ppm
- NO2:
1 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.5 µg/m³
- O3:
0.042 ppm
- NO2:
1 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.5 µg/m³
- O3:
0.042 ppm
- NO2:
1.2 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.51 µg/m³
- O3:
0.042 ppm
- NO2:
1.6 ppb
- SO2:
0.3 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.51 µg/m³
- O3:
0.043 ppm
- NO2:
1.5 ppb
- SO2:
0.3 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.51 µg/m³
- O3:
0.044 ppm
- NO2:
1.2 ppb
- SO2:
0.4 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.51 µg/m³
- O3:
0.048 ppm
- NO2:
0.9 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.54 µg/m³
- O3:
0.052 ppm
- NO2:
0.6 ppb
- SO2:
0.3 ppb
- CO:
0.13 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.5 µg/m³
- PM10:
0.63 µg/m³
- O3:
0.054 ppm
- NO2:
0.5 ppb
- SO2:
0.3 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.54 µg/m³
- PM10:
0.72 µg/m³
- O3:
0.056 ppm
- NO2:
0.4 ppb
- SO2:
0.2 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.58 µg/m³
- PM10:
0.76 µg/m³
- O3:
0.058 ppm
- NO2:
0.4 ppb
- SO2:
0.2 ppb
- CO:
0.12 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.58 µg/m³
- PM10:
0.75 µg/m³
- O3:
0.058 ppm
- NO2:
0.4 ppb
- SO2:
0.2 ppb
- CO:
0.12 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.56 µg/m³
- PM10:
0.76 µg/m³
- O3:
0.058 ppm
- NO2:
0.5 ppb
- SO2:
0.2 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.59 µg/m³
- PM10:
0.83 µg/m³
- O3:
0.057 ppm
- NO2:
0.8 ppb
- SO2:
0.2 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.58 µg/m³
- PM10:
0.88 µg/m³
- O3:
0.057 ppm
- NO2:
1 ppb
- SO2:
0.3 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.55 µg/m³
- PM10:
0.92 µg/m³
- O3:
0.055 ppm
- NO2:
1.1 ppb
- SO2:
0.4 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.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.63 µg/m³
- PM10:
1.1 µg/m³
- O3:
0.054 ppm
- NO2:
1.2 ppb
- SO2:
0.4 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.76 µg/m³
- PM10:
1.34 µg/m³
- O3:
0.053 ppm
- NO2:
1.3 ppb
- SO2:
0.5 ppb
- CO:
0.14 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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