secondary pollution (emissions)

https://doi.org/10.1351/goldbook.S05527
The products of the primary pollutants which form through photochemical and thermal reactions in the atmosphere (O3, peroxyacetyl nitrate, etc.).
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2213 [Terms] [Paper]