Current Wildfire Smoke Density
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This layer displays the density of current smoke plumes from wildfires. Data is updated daily.
Air Quality – Fine Particulate Matter (PM2.5) by Census Tract, 2012
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This layer displays the percentage of days with concetrations of ozone matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter.
Air Quality – Fine Particulate Matter (PM2.5) by Census Tract, 2014
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This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2014.
Air Quality – Ozone Levels (O3) by Census Tract, 2014
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This layer displays the daily average concentration of ozone and the percentage of days with concetrations of ozone above the National Ambient Air Quality Standard (NAAQS) of 0.075 parts per million in 2014.
Air Quality – Fine Particulate Matter (PM2.5) by Census Tract, 2016
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This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2016.
Air Quality – Ozone Levels (O3) by Census Tract, 2015
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This layer displays the daily average concentration of ozone and the percentage of days with concetrations of ozone above the National Ambient Air Quality Standard (NAAQS) of 0.075 parts per million in 2015.