The move is usually reserved for severe human rights violations.
New research suggests current air pollution standards are failing to protect human health and life.
Pollution in New Delhi peaked this month, reaching levels not seen in three years. In some parts of the city, the Air Quality Index approached 1,000—more than three times what is considered hazardous.
Scientists carried out the study after seeing exaggerated claims about the purifying powers of plants online.
During this time private cars with even number plates will only be permitted to drive on even dates and private cars with odd number plates will be restricted to odd dates.
Several fires are currently raging in various parts of the state.
"If possible, stay inside with windows and doors closed until smoke levels subside," the Bay Area Air District warned residents.
The now-20 strong panel will reconvene to consider the various known and unknown affects of particulate matter on human health and based on the current science, calculate how much air pollution (with an adequate margin of safety) is passable without being a significant threat to human health.
A smoke map using National Oceanic and Atmospheric Administration forecasts shows how pollution from the California fires spread to the U.S. East Coast.
The Camp Fire in California's Butte County created so much smoke that it made the air quality hazardous to breathe.
The Bay Area has been shrouded in a polluted haze due to nearby wildfires.
A norovirus outbreak has spread across evacuation shelters for the Camp Fire in California as smoke decreases the air quality to hazardous.
The air quality is extremely poor in some areas of California, and the National Weather Service in Sacramento has instructed residents to stay indoors.
"This measure, eagerly awaited by the inhabitants, is the fruit of an important partnership between the prefecture of police, mayors of the district and neighborhood associations," Mayor Anne Hidalgo said.
Local residents have been advised to shelter in place while officials get the blaze under control.
Satellite data from NASA shows the concentration of the carbon monoxide drifting eastward from California.
From pasteurized milk to saving bees from extinction, the remedy is often worse than the ailment.
Obama used the Clean Air Act's provisions to allow the EPA to create the Clean Power Plan.
Experts couldn't measure just how bad the air pollution was because the sandstorm caused traditional measuring instruments to break.
Paris joins Athens, Madrid and Mexico City in banning diesel by 2025.