Air so clean, Obama would have liked it: The Economic Times.

“It’s probably the best time to be outdoors in the city. After inhaling highly-polluted air for months, Delhiites seem to be breathing easy with PM 2.5 (fine, respirable particles) levels remaining within the safe limits. The sudden spell of showers on Sunday and Monday washed out the suspended particles from the air, a rare phenomenon in Delhi.” The Economic Times. Read it on DelhiAir.org.

Air so clean, Obama would have liked it