Current air quality index in the United States and parts of Canada 🇺🇸

Air quality index (AQI) value for ozone and particulate matter from regulatory monitors. Good for: Looking at past, current, forecast air quality one day at a time.

Current AQI across the world from IQAir  🌎

AQI values, locations of fire, and wind patterns from a proprietary, low-cost ground monitoring network. Good for: Looking at current global air quality index values.

Current AQI for PM2.5 from PurpleAir  🌎

Current PM2.5 values from individuals who have purchased an at home monitor from proprietary, low-cost ground monitoring network. Good for: Quick look at hyper local PM2.5 air quality.

Current AQI readings and more from Breezometer 🌎

Current values of PM2.5, PM10, O3, NO2, SO2, and CO from ground measurements and satellite data. Good for: Current readings of some of the criteria air pollutants and fire locations in the world.

Average air quality indicators in the United States 🇺🇸

Environmental justice indicators, pollution sources, and socioeconomic indicators from the EPA. Good for: Comparing environmental indicators to different socioeconomic indicators.

Pollution averages from 2018-2020 in each county across the United States 🇺🇸

Ozone, particulate matter, and groups at risk from the EPA. Good for: Comparing the pollution and groups at risk in your city to a different city.

Five years (2014-2018) of industrial pollution data in the United States 🇺🇸

Industrial air pollution estimated from EPA air toxic emissions. Good for: Looking at industrial, cancer-causing pollution hotspots in the United States and estimating risk.

The average over three years in California for equity metrics and pollutant concentration, including health  🇺🇸

Exposure, environmental effect, sensitive population, and socioeconomic indicators from different local and federal agencies. Good for: Comparing pollution burden to different population characteristics such as low birth rate or poverty.