They wanted breathable air! The first piece to the Los Angeles smog puzzle was its smell, which was different from the sulfurous smog that claimed lives in Donora, Pa., and London, England. In those ...

No smog disasters have been reported either ... sprawling cities like London and Los Angeles. In general, odor control has not been shown to be a public-health problem, but unwanted odors concern ...

Unlike London’s coal-driven smog or Los Angeles automotive exhaust, Delhi’s severe air quality emergency is a perfect storm ...

The best times to visit Los Angeles are from March to May and between ... the heat coupled with heavy smog levels often drive visitors and residents alike to the already crowded oceanside ...