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Table 4 <br />Air Quality Monitoring Summary <br />Pollutant (Standard)' <br />Year <br />2018 <br />2019 <br />2020 <br />Ozone: <br />Maximum 1-Hour Concentration (ppm) <br />Days > CAAQS (0.09 ppm) <br />Maximum 8-Hour Concentration (ppm) <br />Days > NAAQS (0.070 ppm) <br />Days > CAAQS (0.070 ppm) <br />0.112 <br />0.096 <br />0.142 <br />1 <br />1 <br />6 <br />0.071 <br />0.082 <br />0.098 <br />1 <br />1 <br />15 <br />1 <br />1 <br />16 <br />Carbon <br />Monoxide: <br />Maximum 8-Hour Concentration (ppm) <br />Days > CAAQS (9 ppm) <br />Days > NAAQS (9 ppm) <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Nitrogen Dioxide: <br />Maximum 1-Hour Concentration (ppm) <br />Days > CAAQS (0.18 ppm) <br />0.066 <br />0.059 <br />0.071 <br />0 <br />0 <br />0 <br />Inhalable <br />Particulates <br />(PM10): <br />Maximum 24-Hour Concentration (µg/m3) <br />Days > NAAQS (150 µg/m3) <br />Days > CAAQS (50 µg/m3) <br />Annual Average (µg/m3) <br />94.6 <br />127.6 <br />74.8 <br />0 <br />0 <br />0 <br />2 <br />4 <br />5 <br />17.9 <br />24.6 <br />30.8 <br />Ultra -Fine <br />Particulates <br />(PM2.5):Z <br />Maximum 24-Hour Concentration (µg/m3) <br />Days > NAAQS (35 µg/m3) <br />Annual Average (µg/m3) <br />68.0 <br />37.1 <br />64.8 <br />7 <br />4 <br />12 <br />11.4 <br />9.3 <br />12.2 <br />Notes: <br />Source: http://www.arb.ca.gov/adam/topfour/topfourl.php. Data from the Anaheim -Pampas Lane Monitoring Station, <br />unless otherwise noted. <br />(1) CAAQS = California Ambient Air Quality Standard; NAAQS = National Ambient Air Quality Standard; ppm = parts per million <br />" Means there was insufficient data available to determine value. <br />Cabrillo at First Mixed -Use Residential Project <br />931dih Air Quality, Global Climate Change, HRA and Energy Impact Analysis <br />23 19386 <br />