“High air pollution levels in Delhi have been generally associated with winters, when atmospheric inversion traps pollutants close to the ground and causes smog. It’s time to revise that view. Of late, the air quality continues to be poor even when temperatures are high, indicating that bad air in the capital is not longer just a seasonal phenomenon accentuated by weather conditions. In fact, in summer it’s a double whammy, say experts. Not only do levels of fine, respirable particles (PM2.5) remain fairly high, there’s a rise in toxic ozone (O3), making Delhi’s summer air dangerous for health.” The Times of India. Read it on delhiair.org.