Air quality officials are warning San Joaquin Valley residents of potential health hazards because of increasing ozone levels and smoke from lingering wildfires.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/california-fires-prompt-air-quality-warning
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-york-times-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/california
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/forest-fires
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us