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Sandy Mazza's Blog

Can't find the data you need? Consider collecting it yourself, as reporter Sandy Mazza did... more »
posted 10/23/18
New tech tools could offer faster, more accurate air quality readings for people living in highly... more »
posted 10/24/17

Sandy Mazza's Work

Do you live near an oil or gas production facility in Southern California? Look up your neighborhood here.
The ports of LA and Long Beach together emit 100 tons of smog daily, according to air quality officials. Even more toxic chemicals are spewed by traffic, refineries and rail yards.
Nick Serrano, a San Pedro High School senior, learned that his family’s Sunday afternoon barbecues create toxic pollution spikes outside his home based on data from a PurpleAir monitor installed there by Southern California News Group.