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Why has smog hit presence in New Delhi?

Exposure fell greatly in Delhi today as a hazardous mixture of smoke and fog shrouded the Indian capital even previously winter season sets in.

Here is a take a look at the issue, and what triggered it.

HOW BAD WAS THE SMOG?

Delhi was bound in 'thick' to 'very thick' smog early on Wednesday and Thursday. Exposure in the 'very dense' category falls into a variety of zero to 50 m (164 ft), while 'thick'. describes presence over 50 m to 200 m (164 ft to 656 feet).

The smog dispersed somewhat on Thursday, when visibility. stayed above 300 m (984 feet), after being too thick to see. through in some areas the previous day, such as around the. city's worldwide airport.

WHAT CAUSED THE SMOG?

Officials blamed weather conditions such as high humidity. that allows the development of fog droplets, low wind speed, and a. minor drop in minimum temperature, to 16.1 degrees Celsius (61. degrees F) on Thursday from 17.9 C (64 F) on Tuesday.

WAS POLLUTION ALSO A FACTOR?

Authorities said pollution likewise contributed, pressing New. Delhi to lead as the world's most polluted capital in. Wednesday's live rankings by Swiss group IQAir.

Daily air quality in the region crossed into the 'severe'. category for the first time this season, or an index rating. greater than 400, which continued on Thursday morning, with a. reading of 430.

DID SMOG AFFLICT DELHI ALONE?

Thick smog has actually engulfed other parts of northern India, such. as the states of Punjab and Uttar Pradesh, where presence fell. to no in some locations on Thursday.

Neighbouring Pakistan's Punjab province, which shares a. border with India, also faces comparable conditions.

WILL DELHI'S SCENARIO ENHANCE SOON?

Delhi's pollution is most likely to stay 'severe' on Friday,. however is expected to enhance to the 'really bad' classification. afterwards, falling in an index range of 300 to 400.

Wind speed is also anticipated to increase from Friday.

Authorities expect both elements to distribute the smog in the. city and enhance exposure.

(source: Reuters)