smog index

in atmospheric chemistry
https://doi.org/10.1351/goldbook.S05718
A mathematical correlation between
smog
and meteorological and/or pollutant concentrations associated with it. These are qualitative indices which are sometimes used in some urban communities to predict the degree of the
air pollution
which is expected for the coming
day
.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2214 [Terms] [Paper]