Framingham, Massachusetts
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.31 µg/m³
- PM10:
8.67 µg/m³
- O3:
0.014 ppm
- NO2:
7.7 ppb
- SO2:
0.2 ppb
- CO:
0.21 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.51 µg/m³
- PM10:
8.95 µg/m³
- O3:
0.014 ppm
- NO2:
7.9 ppb
- SO2:
0.2 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.73 µg/m³
- PM10:
9.29 µg/m³
- O3:
0.015 ppm
- NO2:
6.6 ppb
- SO2:
0.2 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.65 µg/m³
- PM10:
9.11 µg/m³
- O3:
0.022 ppm
- NO2:
5.8 ppb
- SO2:
0.5 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
6.74 µg/m³
- PM10:
9.07 µg/m³
- O3:
0.026 ppm
- NO2:
5.4 ppb
- SO2:
0.5 ppb
- CO:
0.22 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
7.47 µg/m³
- PM10:
9.66 µg/m³
- O3:
0.032 ppm
- NO2:
4.9 ppb
- SO2:
0.6 ppb
- CO:
0.21 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:
5.58 µg/m³
- PM10:
6.86 µg/m³
- O3:
0.053 ppm
- NO2:
2 ppb
- SO2:
0.6 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:
5.6 µg/m³
- PM10:
6.72 µg/m³
- O3:
0.058 ppm
- NO2:
1 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.61 µg/m³
- PM10:
6.77 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.53 µg/m³
- PM10:
6.77 µg/m³
- O3:
0.061 ppm
- NO2:
0.7 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.43 µg/m³
- PM10:
6.75 µg/m³
- O3:
0.062 ppm
- NO2:
0.8 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.13 µg/m³
- PM10:
6.48 µg/m³
- O3:
0.061 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.85 µg/m³
- PM10:
6.26 µg/m³
- O3:
0.058 ppm
- NO2:
1.8 ppb
- SO2:
0.4 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.
Moderate air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.53 µg/m³
- PM10:
6.01 µg/m³
- O3:
0.055 ppm
- NO2:
2.9 ppb
- SO2:
0.4 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.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.12 µg/m³
- PM10:
5.68 µg/m³
- O3:
0.052 ppm
- NO2:
3.5 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:
3.57 µg/m³
- PM10:
5.22 µg/m³
- O3:
0.049 ppm
- NO2:
3.7 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:
3.12 µg/m³
- PM10:
4.86 µg/m³
- O3:
0.047 ppm
- NO2:
3.9 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:
2.77 µg/m³
- PM10:
4.56 µg/m³
- O3:
0.046 ppm
- NO2:
4 ppb
- SO2:
0.4 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
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