With North Texans ordered indoors to slow the spread of the new
coronavirus, air quality in the area could be improving.
NASA satellite maps of nitrogen dioxide levels in Texas show lower levels from
March 16 through April 10 across the state than the previous 26 days. Nitrogen
dioxide is a pollutant that contributes to smog, according to the Environmental
Protection Agency.
Multiple closures and shelter-in-place orders were implemented during the most
recent 26-day span for which data was available.
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