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Toronto downtown: July 13, 2010

Air Quality for Toronto downtown Date Time AQI Category Cause Note: AQI readings on this web page are based on automatically polled data and have not undergone final verification. 13-Jul-10 11:00 PM EDT 38 Ozone (O3) 13-Jul-10 10:00 PM EDT 37 Ozone (O3) 13-Jul-10 9:00 PM EDT 40 Ozone (O3) 13-Jul-10 8:00 PM EDT 37 Ozone (O3) 13-Jul-10 7:00 PM EDT 39 Ozone (O3) 13-Jul-10 6:00 PM EDT 39 Ozone (O3) 13-Jul-10 5:00 PM EDT 39 Ozone (O3) 13-Jul-10 4:00 PM EDT 40 Ozone (O3) 13-Jul-10 3:00 PM EDT 47 Ozone (O3) 13-Jul-10 2:00 PM EDT 43 Ozone (O3) 13-Jul-10 1:00 PM EDT 41 Ozone (O3) 13-Jul-10 12:00 PM EDT 36 Ozone (O3) 13-Jul-10 11:00 AM EDT 34 Fine Particulate Matter (PM2.5) 13-Jul-10 10:00 AM EDT 32 Fine Particulate Matter (PM2.5) 13-Jul-10 9:00 AM EDT 27 Fine Particulate Matter (PM2.5) 13-Jul-10 8:00 AM EDT 24 Fine Particulate Matter (PM2.5) 13-Jul-10 7:00 AM EDT 23 Fine Particulate Matter (PM2.5) 13-Jul-10 6:00 AM EDT 25 Ozone (O3) 13-Jul-10 5:00 AM EDT 22 Ozone (O3) 13-Jul-10 4:00 AM EDT 26 Ozone (O3) 13-Jul-10 3:00 AM EDT 31 Ozone (O3) 13-Jul-10 2:00 AM EDT 30 Ozone (O3) 13-Jul-10 1:00 AM EDT 31 Ozone (O3) 13-Jul-10 12:00 AM EDT 28 Ozone (O3)

Air Quality Index (AQI) Categories AQI Colour 0-15 Very Good 16-31 Good 32-49 Moderate 50-99 Poor 100+ Very Poor

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