NO2 <16ug/m3 NO2 16-19 ug/m3 NO2 19-22 ug/m3 NO2 22-25 ug/m3 NO2 25-28 ug/m3 NO2 28-31 ug/m3 NO2 31-34 ug/m3 NO2 34-37 ug/m3 NO2 37-40 ug/m3 NO2 40-43 ug/m3 NO2 43-46 ug/m3 NO2 46-49 ug/m3 NO2 49-52 ug/m3 NO2 52-55 ug/m3 NO2 55-58 ug/m3 NO2 58-61 ug/m3 NO2 61-64 ug/m3 NO2 64-67 ug/m3 NO2 67-70 ug/m3 NO2 70-73 ug/m3 NO2 73-76 ug/m3 NO2 76-79 ug/m3 NO2 79-82 ug/m3 NO2 82-85 ug/m3 NO2 85-88 ug/m3 NO2 88-91 ug/m3 NO2 91-94 ug/m3 NO2 94-97 ug/m3 NO2 >97 ug/m3
<16 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70 73 76 79 82 85 88 91 94 >97
Passes annual mean objective Fails annual mean objective