MIXING RATIO OF SURFACE OZONE IN PARTS PER BILLION STATION ASO 6m AGL MONTH NOV YEAR 2011 EQUIPMENT TEI O3 ANALYZER MODEL 49I GMT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MEAN MAX DATE 1 28.6 29.2 29.4 29.6 29.4 29.2 29.1 28.7 28.7 29.0 29.4 29.8 30.1 30.3 30.3 30.2 29.6 28.9 27.8 27.1 26.6 26.3 26.0 25.7 28.7 30.3 2 25.3 25.1 24.9 24.8 24.7 24.6 24.5 24.8 25.1 25.3 25.7 26.1 26.6 27.2 27.5 27.7 28.2 28.8 29.2 29.8 30.2 30.4 30.5 30.7 27.0 30.7 3 30.7 30.0 29.6 29.8 30.5 30.7 30.9 30.7 30.2 30.5 31.4 32.0 32.4 32.9 33.1 33.6 34.2 34.8 35.2 35.4 35.6 35.3 34.5 33.9 32.4 35.6 4 31.8 31.5 33.7 33.1 33.0 34.6 35.6 36.3 36.2 35.7 35.2 34.9 34.9 35.0 35.1 35.3 35.6 35.9 36.1 36.3 36.4 36.6 36.8 37.0 35.1 37.0 5 37.2 37.1 36.9 36.3 35.7 34.8 34.2 33.8 33.8 33.7 33.3 33.2 33.5 34.2 34.5 33.8 33.1 33.0 33.2 33.4 33.2 33.0 33.0 33.5 34.2 37.2 6 34.1 34.5 35.2 35.6 36.3 35.2 32.8 31.7 31.6 31.5 31.4 31.1 30.7 30.7 30.6 30.4 30.1 29.9 29.8 29.8 29.9 30.0 30.1 30.1 31.8 36.3 7 30.3 30.6 30.7 999.9 999.9 31.9 31.1 31.0 30.8 29.7 30.2 30.0 29.6 29.3 29.8 30.7 31.2 31.6 32.0 32.0 32.0 31.7 32.2 34.1 31.0 34.1 8 35.0 35.2 35.3 35.1 34.9 34.9 34.6 33.8 32.8 32.3 32.0 32.0 32.0 31.7 31.3 31.0 30.7 30.6 30.4 30.2 29.9 29.9 30.1 30.2 32.3 35.3 9 30.4 30.4 30.4 30.3 30.1 30.0 30.0 29.9 29.8 29.9 30.0 30.2 30.5 30.7 30.7 30.9 30.9 30.8 30.8 30.8 30.8 30.8 30.9 31.1 30.5 31.1 10 31.5 31.9 32.4 32.8 32.9 32.5 31.9 31.4 31.4 31.7 32.0 32.1 32.2 32.3 32.6 33.0 33.4 33.8 33.9 34.1 34.1 34.2 34.4 34.5 32.8 34.5 11 34.7 34.7 34.8 34.9 34.7 34.6 34.2 33.9 33.7 33.4 32.9 33.1 33.8 34.0 33.7 33.1 32.8 32.3 32.5 32.9 32.9 32.8 32.7 32.8 33.6 34.9 12 32.8 32.7 32.6 32.3 32.0 31.9 32.0 32.0 32.1 32.2 32.2 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.3 32.5 32.6 32.8 32.7 32.7 32.4 32.8 13 32.6 32.4 32.3 32.3 32.2 31.9 31.9 31.5 31.4 31.4 31.7 32.2 32.7 32.9 33.2 33.1 33.1 33.5 33.6 33.6 33.7 33.6 33.5 33.3 32.7 33.7 14 33.2 999.9 999.9 33.3 33.2 33.2 33.0 32.9 33.0 33.2 33.2 33.3 33.4 33.6 33.6 33.6 33.5 33.4 33.4 33.6 33.7 33.7 33.5 33.2 33.4 33.7 15 33.1 33.2 33.3 33.2 33.2 33.1 33.1 33.0 32.7 32.4 32.2 32.3 32.6 33.1 33.6 33.8 33.8 34.2 34.4 34.1 33.9 34.0 33.8 32.7 33.3 34.4 16 32.0 32.3 32.7 32.7 32.6 32.6 32.9 33.1 33.4 33.7 33.9 34.1 34.3 34.5 34.7 34.7 34.7 34.8 35.0 35.2 35.4 35.6 35.8 35.9 34.0 35.9 17 36.1 36.2 36.4 36.4 36.5 36.6 37.0 37.6 38.1 38.7 39.0 38.9 38.8 38.7 38.7 38.7 38.5 38.3 37.9 37.4 36.9 36.5 35.8 35.3 37.5 39.0 18 35.4 36.0 36.7 37.1 37.2 36.8 36.1 35.4 35.0 34.6 34.5 34.5 34.4 34.2 34.1 33.9 33.6 33.5 33.4 33.4 33.5 33.9 34.2 34.4 34.8 37.2 19 34.4 34.5 34.5 34.6 34.8 34.9 35.0 35.0 35.2 35.2 35.3 35.5 35.8 36.2 36.6 36.9 37.1 37.3 37.5 37.6 37.8 37.9 38.1 38.1 36.1 38.1 20 38.2 38.3 38.2 38.2 38.3 38.3 38.2 37.7 37.4 36.9 36.7 37.6 37.8 37.8 37.8 37.6 37.5 37.2 36.1 36.3 36.5 36.2 35.5 34.5 37.3 38.3 21 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 33.6 33.4 33.0 32.7 32.7 33.1 33.6 22 32.6 32.5 32.2 31.8 31.6 31.4 31.6 32.0 32.5 33.1 33.8 34.3 34.6 34.8 35.1 35.4 35.6 35.8 35.5 35.0 34.8 34.9 35.6 36.0 33.8 36.0 23 36.0 35.7 35.7 35.7 35.5 35.7 36.1 36.1 36.1 36.0 35.8 35.5 35.0 34.6 33.9 33.6 32.6 32.6 32.6 32.4 32.7 33.1 34.2 35.5 34.7 36.1 24 36.9 37.5 37.9 38.1 37.9 37.4 37.0 36.3 35.3 34.7 34.3 33.7 33.4 33.0 32.8 32.6 32.6 32.4 32.4 32.2 31.5 30.3 29.9 29.3 34.1 38.1 25 28.1 27.3 27.5 28.1 29.0 29.8 31.5 33.8 36.0 36.8 37.4 37.7 38.2 37.7 36.5 36.1 35.7 35.6 35.7 35.7 35.7 35.7 35.8 36.0 34.1 38.2 26 36.2 36.4 36.4 36.1 35.8 36.2 36.6 36.7 36.9 36.9 36.5 36.2 36.0 36.0 36.0 35.9 35.9 36.0 35.9 35.8 35.8 35.8 35.9 36.0 36.2 36.9 27 36.1 36.2 36.2 36.3 36.4 36.5 36.7 36.9 37.0 37.2 37.1 37.3 37.5 37.2 36.4 36.7 37.5 39.0 41.8 43.5 999.9 999.9 999.9 999.9 37.5 43.5 28 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 29 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 30 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 31 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 Mean 33.2 33.3 33.4 33.5 33.5 33.4 33.4 33.3 33.3 33.3 33.4 33.5 33.6 33.7 33.6 33.6 33.6 33.7 33.8 33.8 33.4 33.4 33.4 33.4 33.5 35.6