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Air quality in Delhi recovers again by Saturday night. (File)
Even three days after Divali, fireworks polluters, burning strings and local sources continued to show their effect with Delhi-NCR, which still suffers from "serious" air quality on Saturday.
Despite having shown improvement from heavy-plus to heavy in the last 24 hours, air quality Delhi-NCR fell again on Saturday night with the rise in pollutants.
Air Quality Index (AKI) in Delhi at 4h. He was 401, while he was 6 o'clock. she fell to 406 – both are considered "tough". Delhi AKI on Friday at 423.
Insufficient meteorological conditions such as very low wind speeds and lower temperatures stop PM2.5 and PM10, or particles of diameter less than 2.5 and 10 mm from spraying.
The average concentration of PM2.5 and PM10 in Delhi was 269 and 424 micrograms per cubic meter in 4 hours, which increased to 275 and 432 units at 6 hours. In the meantime, the PM2.5 and PM10 concentration in the 49 NCR areas was 256 and 409 units in 4 hours, which increased to 261 and 416 units by 6 hours.
Time analysts expect a slight improvement from Monday onwards.
"At present, Delhi receives very calm winds from the east and southeast, which are not enough to disperse pollutants and become calm during the night. The situation can be improved on Monday," said Mahesh Palavat, director of the private weather agency Skimet.
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