HealthPhoto: News18Diwali Night Sees 800% Rise in PM2.5 and Heavy Metal Aerosols
On Diwali night, air pollution spikes dramatically due to fireworks releasing heavy metals and chemicals. Studies by IIT Bombay and others show PM2.5 levels increase by 300% to over 800%, with concentrations reaching 800-1,000 micrograms per cubic meter between 10 PM and 1 AM. Toxic gases like sulphur dioxide, nitrogen dioxide, and carbon monoxide also surge, creating hazardous air quality.
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