Framingham, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
0.67 µg/m³
- PM10:
1.37 µg/m³
- O3:
0.048 ppm
- NO2:
2 ppb
- SO2:
0.4 ppb
- CO:
0.15 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:
0.74 µg/m³
- PM10:
1.43 µg/m³
- O3:
0.048 ppm
- NO2:
2.5 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
0.7 µg/m³
- PM10:
1.38 µg/m³
- O3:
0.047 ppm
- NO2:
2.4 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
0.68 µg/m³
- PM10:
1.33 µg/m³
- O3:
0.048 ppm
- NO2:
2.2 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
0.7 µg/m³
- PM10:
1.23 µg/m³
- O3:
0.049 ppm
- NO2:
1.8 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
0.8 µg/m³
- PM10:
1.32 µg/m³
- O3:
0.051 ppm
- NO2:
1.5 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
1 µg/m³
- PM10:
1.51 µg/m³
- O3:
0.052 ppm
- NO2:
1.4 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:
1.32 µg/m³
- PM10:
1.84 µg/m³
- O3:
0.054 ppm
- NO2:
1.4 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
1.63 µg/m³
- PM10:
2.16 µg/m³
- O3:
0.054 ppm
- NO2:
1.4 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
1.82 µg/m³
- PM10:
2.37 µg/m³
- O3:
0.054 ppm
- NO2:
1.5 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
1.9 µg/m³
- PM10:
2.45 µg/m³
- O3:
0.054 ppm
- NO2:
1.7 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
1.98 µg/m³
- PM10:
2.57 µg/m³
- O3:
0.052 ppm
- NO2:
2.4 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
2 µg/m³
- PM10:
2.66 µg/m³
- O3:
0.051 ppm
- NO2:
2.5 ppb
- SO2:
0.3 ppb
- CO:
0.15 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:
2.07 µg/m³
- PM10:
2.84 µg/m³
- O3:
0.050 ppm
- NO2:
2.6 ppb
- SO2:
0.3 ppb
- CO:
0.16 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:
2.24 µg/m³
- PM10:
3.13 µg/m³
- O3:
0.049 ppm
- NO2:
2.9 ppb
- SO2:
0.3 ppb
- CO:
0.16 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:
2.49 µg/m³
- PM10:
3.53 µg/m³
- O3:
0.048 ppm
- NO2:
3.1 ppb
- SO2:
0.3 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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