Maxima for NO_x (episodes)

Unit: µg(NO2)/m3	NO2 (hour)     1994
Station Copenhagen/1257 Odense/9155 Aalborg/8151 Ll. Valby/2090	Max. 3 hours Day:hour Max. hour Day:hour 150 940728: 9 157 940728: 7 114 940321:9 208 941108: 8 116 940510: 9 176 941222:13 57 940217:22 64 940422: 7
Warning limit	350       -       -       -

The warning limit is a part of the national smog warning system.
With reference to the warning limit crirerias the lowest one hour value is identified for every consequtive three hour period. The highest of these one hour values are listed in the table in the column Max. 3 hour.

Overview of NO_x