Search for the weather and air quality in your city
Enter the desired city, state, or zip code into the search bar. Once you’ve submitted your search, you’ll be presented with the Air Quality Index (AQI), the weather, and specific air quality elements.
Air Pollutant Glossary
Air Quality is represented by a scale of 0 - 500
> OZONE (O3) – Ozone is a harmful pollutant produced by a chemical reaction between the sun light, organic gasses, and nitrogen oxides. Scale represents parts per billion (PPB).
> PM2.5 AND PM10 – PM10 and PM2.5 - Small solid particles and liquid droplets with a diameter smaller than 10 micrometers and 2.5 micrometers. Results are reported as micrograms per cubic meter.
> NITROGEN DIOXIDE (NO2) – A gas and a major component of central city air pollution. It mainly comes from vehicles, industry, power stations, and heating. Scale represents parts per billion (PPB).
> CARBON MONOXIDE (CO) – A gas from motor vehicles or machinery that burns fossil fuels. Scale represents parts per million (PPM).
> SULFUR DIOXIDE (SO2) – A toxic gas with a pungent, irritating odor. It can come from electric industries that burn fossil fuels, petrol refineries, cement manufacturing, and volcano emissions. Scale represents parts per billion (PPB).
These pollutants can have health implications when in high concentration. To learn more about particles and other pollutants, visit the following resources.
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Ozone (O3)
Ozone is a harmful pollutant produced by a chemical reaction between the sun light, organic gasses, and nitrogen oxides. Scale represents parts per billion (PPB).
PM2.5 and PM10
PM10 and PM2.5 are small solid particles and liquid droplets with a diameter smaller than 10 micrometers and 2.5 micrometers. Results are reported as micrograms per cubic meter.
Nitrogen Dioxide (NO2)
A gas and a major component of central city air pollution. It mainly comes from vehicles, industry, power stations, and heating. Scale represents parts per billion (PPB).
Carbon Monoxide (CO)
A gas from motor vehicles or machinery that burns fossil fuels. Scale represents parts per million (PPM).
Sulfur Dioxide (SO2)
A toxic gas with a pungent, irritating odor. It can come from electric industries that burn fossil fuels, petrol refineries, cement manufacturing, and volcano emissions. Scale represents parts per billion (PPB).
Air Quality Explained
Air Quality is represented by a scale of 0 – 500
Air Pollutant Details
These pollutants can have health implications when in high concentration. To learn more about particles and other pollutants, visit the following resources.