Garinger High School, northeast of downtown Charlotte:



Montclaire, south of downtown Charlotte:




PM2.5 is small particulate matter pollution, O3 is ground-level ozone gas pollution, and PM10 is large particulate matter pollution. Average particle pollution AQI in Charlotte is 30-60.

All pollutants are monitored in the USA as a part of the Clean Air Act. Some stations monitor a wider variety of pollutants than others.

Contact for more information about the display: Brian Magi (Faculty at UNC Charlotte). Contributions to design and implementation: Keenan Reed (Staff at UNC Charlotte) and Warren Pettee (Graduate Student at UNC Charlotte). Air quality data graphs are from http://waqi.info/, with location data graphs from http://aqicn.org/city/usa/north-carolina/garinger/ and http://aqicn.org/city/usa/north-carolina/montclaire/. Mecklenburg County air quality data is collected and managed by staff at http://airquality.charmeck.org/, and this data is archived at http://airnowtech.org/. For detailed USA air quality discussions, visit http://airnow.gov/ and http://epa.gov/.

In one of the most polluted cities: Beijing, China



Data from air quality stations around the world: