N.C. Department of Environment and Natural Resources
 Welcome to the North Carolina Division of Air Quality
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM AIR QUALITY SUMMARY REPORT



Mar. 30, 2012



MSA: Not in a MSA JAN 2011 FEB 2011



01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 3 0 3 4 1 3 1 1 3 26 13 6 4 3 6 3 17 6 4 1 3 26 4 7 6 7 1 4 1 4 11 S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M 7 1 3 7 3 1 4 1 4 4 3 7 1 1 1 3 1 3 3 7 1 1 7 7 1 4 1 1 T W H F S U M T W H F S U M T W H F S U M T W H F S U M



MAR 2011



0 3 4 1 1 3 1 4 1 0 1 0 3 1 1 0 0 1 1 1 0 0 0 0 4 4 1 1 14 3 21 T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W H



APR 2011



45 44 51 51 38 47 67 54 25 34 38 47 47 74 58 46 45 64 74 47 42 34 30 43 36 30 31 43 47 46 F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S



MAY 2011



41 51 42 42 41 47 46 39 47 47 43 28 32 32 36 32 31 33 34 42 43 48 42 40 54 58 38 42 41 45 49 U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M T



JUN 2011



46 64 80 109 48 71 87 54 61 49 58 46 51 46 43 84 71 46 37 46 49 44 26 48 47 48 64 49 58 64 W H F S U M T W H F S U M T W H F S U M T W H F S U M T W H



JUL 2011



84 97 67 49 47 50 58 48 44 46 50 71 47 41 34 27 32 47 42 48 80 71 39 36 32 47 54 67 49 49 46 F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U



AUG 2011



50 67 58 58 36 42 45 47 47 48 49 58 44 42 44 50 67 61 45 74 45 41 49 50 64 32 42 43 42 47 74 M T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W



SEP 2011



104 74 67 48 31 21 42 37 47 39 46 48 48 58 50 20 18 31 31 34 18 19 29 26 22 26 39 42 38 35 H F S U M T W H F S U M T W H F S U M T W H F S U M T W H F



YEAR: OCT 2011



25 31 29 32 36 36 42 43 36 46 31 21 20 34 35 40 51 47 26 19 23 29 39 38 39 47 47 20 28 32 33 S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M



D A Y O F M O N T H



2011 NOV 2011 3 4 1 1 4 3 4 4 3 1 3 3 3 1 1 0 1 3 1 1 7 1 1 3 1 1 0 0 0 1



DEC 2011



1 4 7 4 10 0 3 1 4 6 6 7 1 3 1 1 1 1 3 1 1 0 1 1 3 3 1 1 1 3 1 H F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W



No. of Days with AQI Values: Highest AQI/YR = Days CO =0



Good < or = 50 317 109



Moderate 51-100 46 Unhealthy for Sensitive Groups 101-150 2 Unhealthy 151-200 0 Very Unhealthy 201-300 0 ------Hazardous----->301 0



Total Days with AQI Values = 365



Days O3 = 214 Days SO2 =151 Days NO2 = 0 Days PM2.5 = 0 Days PM10 = 0



Page 1 of 2





UNITED STATES ENVIRONMENTAL PROTECTION AGENCY AIR QUALITY SYSTEM AIR QUALITY SUMMARY REPORT



Mar. 30, 2012



MSA: Greensboro-Winston Salem-High Point,NC JAN 2011 FEB 2011 MAR 2011 APR 2011



01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 71 15 34 47 57 35 26 21 31 30 32 31 35 48 59 55 60 57 25 33 20 35 59 56 73 23 47 48 39 52 57 S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M 61 31 30 36 20 35 44 29 28 42 54 30 28 35 28 47 58 61 15 18 37 40 36 47 30 38 49 37 T W H F S U M T W H F S U M T W H F S U M T W H F S U M 25 34 24 28 22 11 23 24 24 18 21 35 44 34 35 31 35 48 29 26 39 52 49 18 29 31 26 44 41 33 25 T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W H 44 43 50 48 38 46 67 64 37 29 56 47 48 77 61 43 45 61 71 47 40 34 31 42 37 29 31 44 48 51 F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S



MAY 2011



47 54 42 43 42 47 49 44 51 90 52 90 61 43 38 29 29 36 36 44 50 56 56 48 84 58 39 50 57 57 61 U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M T



JUN 2011



75 114 104 101 55 80 114 90 96 101 84 46 54 47 50 90 97 50 37 51 67 46 28 49 49 51 74 51 64 93 W H F S U M T W H F S U M T W H F S U M T W H F S U M T W H



JUL 2011



84 122 74 60 71 53 71 60 45 54 87 100 60 45 38 31 36 58 62 97 90 116 53 42 42 50 74 77 67 72 58 F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U



AUG 2011



61 77 80 64 64 49 47 49 47 51 67 77 47 44 45 54 71 80 74 67 52 40 58 54 67 44 39 55 54 50 93 M T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W



SEP 2011



111 100 67 56 49 25 42 40 50 43 47 54 67 97 58 23 22 30 33 34 20 20 31 27 23 24 41 45 40 36 H F S U M T W H F S U M T W H F S U M T W H F S U M T W H F



YEAR: OCT 2011



25 31 29 34 42 43 45 45 38 45 41 23 23 36 36 40 64 55 25 22 28 35 49 47 42 52 49 21 29 35 33 S U M T W H F S U M T W H F S U M T W H F S U M T W H F S U M



D A Y O F M O N T H



2011 NOV 2011 42 52 44 34 19 29 31 53 46 40 34 41 40 43 34 32 25 33 49 47 44 45 14 32 38 38 15 9 11 20



DEC 2011



43 60 52 59 56 19 15 30 57 42 33 40 61 54 38 32 28 47 37 46 24 25 19 37 44 26 17 24 43 37 39 H F S U M T W H F S U M T W H F S U M T W H F S U M T W H F S T W H F S U M T W H F S U M T W H F S U M T W H F S U M T W



No. of Days with AQI Values: Highest AQI/YR = Days CO =0



Good < or = 50 244 122



Moderate 51-100 113 Unhealthy for Sensitive Groups 101-150 8 Unhealthy 151-200 0 Very Unhealthy 201-300 0 ------Hazardous----->301 0



Total Days with AQI Values = 365



Days O3 = 159 Days SO2 =0 Days NO2 = 9 Days PM2.5 = 197 Days PM10 = 0



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