Diwali fireworks worsen winter air pollution across South Asia and beyond
One billion people celebrate Diwali this Sunday while hazardous winter air and seasonal wildfires create dangerous conditions globally.
Regional pollution sources vary widely
Northern India faces smog from traffic, factories, and crop burning alongside holiday fireworks. Pakistan and China experience trapped cold air that holds pollutants near the ground. Western Hemisphere nations deal with smoke from summer wildfires crossing large areas.
Simple steps reduce exposure risks
Experts recommend checking the air quality index before going outside during celebrations. Wearing a well-fitting mask helps protect people from harmful pollutants in the air. Using air purifiers inside homes can also lower personal exposure to dangerous levels.
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