Live air quality readings for cities across the United States of America.
Ottawa PM2.5 air quality averaged 6.1 micrograms in 2022. This means Ottawa PM2.5 concentrations just exceeded the WHO annual limit of 5.0 micrograms by 122%. On the most polluted day, Ottawa air quality exceeded the recommended limit by a little under 5 times. Current Air Quality in Ottawa Air Quality …
Current New York City Air Quality (2023 Live Readings) On the most polluted day in June 2023, NYC had the worst air quality in the world, with PM2.5 levels reaching over 300 micrograms due to the wildfire in Canada. The sky turned hazy orange. This means that PM2.5 concentrations in …
Cheyenne air quality exceeded the WHO annual limits on more than one-of third of the days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Cheyenne air quality more than 3 times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2020 and …
Santa Fe air quality exceeded the WHO annual limits on almost one-tenth of the days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Santa Fe air quality averaged nearly 3 times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2021. Current …
Salt Lake City air quality exceeded the WHO annual limits on more than one-third of days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Salt Lake City air quality averaged nearly 3 times the WHO daily recommended limit of dangerous PM2.5 pollutants on its worse day …
Denver air quality exceeded the WHO annual limits on more than one-of third of the days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Denver air quality averaged nearly 3 times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2021. Current …
Current Portland Air Quality (2021 Wildfire Live Readings) Portland air quality exceeded the WHO annual limits on nearly one-fifth of days from 2020 to 2021. Despite the low percentage, Portland’s air quality averaged over 40 times the WHO recommended limit of dangerous PM2.5 pollutants on its worse day in 2020. …
Seattle air quality exceeded the WHO annual limits on about 1/6 of days from 2020 to 2021. Seattle air quality averaged nearly over 18 times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2020. Seattle’s air quality worsened to these dangerous levels largely due to …
Minneapolis air quality exceeded the WHO annual limits on nearly one-fifth of days from 2020 to 2021. Due to wildfire smoke from wildfires out west, Minneapolis air quality averaged nearly five times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2021. Current Air Quality in …
How is Los Angeles Air Quality? Los Angeles air quality exceeded the WHO annual limits on about two-third of days in 2020. Los Angeles air quality averaged nearly over twelve times the daily recommended limit of dangerous PM2.5 pollutants on its worse day in 2020. Current Air Quality in Los …
