1948 31 Dec. 1/ It also has started a movement for control of air pollutants through local ordinance calling for local inspection and regulation.
1992 P. W. Birnie & A. E. Boyle x. i. 391 One purpose of the convention's definition is to indicate that it is concerned with stratospheric ozone, and not with low-level ozone, which..is an air pollutant.