1. US air quality report finds a sharp uptick in pollution, with the hardest-hit cities in California  CNN
2. Wildfires are increasingly contributing to unhealthy air  NPR
3. 137 million in US live with unhealthy levels of air pollution: American Lung Association  The Hill
4. Local air quality, still lagging badly, improves in some respects  The Bakersfield Californian
5. American Lung Association: NYC’s air quality is improving, but still gets a failing grade  Gothamist
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Source: Google Finance – Market News