Farmers work amidst smog in a field on the bank of the Yamuna river in New Delhi, India, November 8, 2022. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

People walk in front of Humayun's Tomb amidst the morning smog in New Delhi, India, November 6, 2022. On November 6 at 07:00 IST, Jawaharlal Nehru Stadium in Delhi, the closest monitoring station, registered a PM 2.5 reading of 371. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man bathes outside his house amidst morning smog on the bank of the Yamuna river in New Delhi, India, November 18, 2022. On November 18 at 07:00 IST, Dilshad Garden, the closest monitoring station, registered a PM 2.5 reading of 317. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Hindu devotees gather to worship the Sun God amidst heavy smog in the early morning during the Hindu religious festival of Chatth Puja, on the bank of the Yamuna river in New Delhi, India, October 31, 2022. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A farmer walks amidst morning smog in a field on the bank of the Yamuna river in New Delhi, India, November 12, 2022. On November 12 at 07:00 IST, Sonia Vihar, the closest monitoring station, registered a PM 2.5 reading of 472. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

People play cricket amidst heavy smog, at a field in New Delhi, India, November 12, 2022. On November 12 at 07:00 IST, Sonia Vihar, the closest monitoring station, registered a PM 2.5 reading of 472. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Hindu devotees gather to worship the Sun God amidst heavy smog in the early morning during the Hindu religious festival of Chatth Puja, on the bank of the Yamuna river in New Delhi, India, October 31, 2022. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A girl waits for her friends to go to school amidst the morning smog in New Delhi, India, November 18, 2022. On November 18 at 07:00 IST, Dilshad Garden, the closest monitoring station, registered a PM 2.5 reading of 317. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Students from a slum area attend an open-air class amidst the morning smog, on the bank of the Yamuna river in New Delhi, India, November 12, 2022. On November 12 at 07:00 IST, Sonia Vihar, the closest monitoring station, registered a PM 2.5 reading of 472. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man walks amidst heavy smog after taking a bath in the Yamuna river in New Delhi, India, November 18, 2022. On November 18 at 07:00 IST, Dilshad Garden, the closest monitoring station, registered a PM 2.5 reading of 317. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A couple poses during a pre-wedding photoshoot amidst the morning smog, on the bank of the Yamuna river in the old quarters of Delhi, India, November 18, 2022. On November 18 at 07:00 IST, Dilshad Garden, the closest monitoring station, registered a PM 2.5 reading of 317. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A washerman loads laundry onto a cart amidst the morning smog, on the bank of the Yamuna river in New Delhi, India, November 18, 2022. On November 18 at 07:00 IST, Dilshad Garden, the closest monitoring station, registered a PM 2.5 reading of 317. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man washes his clothes on a smoggy morning in the Yamuna river in New Delhi, India, November 12, 2022. On November 12 at 07:00 IST, Sonia Vihar, the closest monitoring station, registered a PM 2.5 reading of 472. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A Hindu man walks amidst heavy smog after praying on the bank of the river Yamuna, in the old quarters of Delhi, India, November 4, 2022. On November 4 at 09:00 IST, Sector 125 in Noida, the closest monitoring station, registered a PM 2.5 reading of 356. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man sails his boat amidst heavy smog in the Yamuna river, in the old quarters of Delhi, India, November 4, 2022. On November 4 at 08:00 IST, Patparganj, the closest monitoring station, registered a PM 2.5 reading of 500, maxing out the scale. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

Residential buildings under construction are seen shrouded in heavy smog in Noida, on the outskirts of New Delhi, India, November 6, 2022. On November 6 at 10:00 IST, Sector 116 in Noida, , the closest monitoring station, registered a PM 2.5 reading of 398. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Indian Army soldiers stand guard amidst the heavy smog under the statue of Subhas Chandra Bose behind the India Gate in New Delhi, India, November 6, 2022. On November 6 at 08:00 IST, Major Dhyan Chand National Stadium, the closest monitoring station, registered a PM 2.5 reading of 367. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A bird flies next to the smog-covered Akshardham temple in New Delhi, India, November 4, 2022. On November 4 at 08:00 IST, Patparganj, the closest monitoring station, registered a PM 2.5 reading of 500, maxing out the scale. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A woman sleeps in a field amidst afternoon smog on the bank of the Yamuna river in New Delhi, India, November 8, 2022. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Farmers work in a field amidst afternoon smog on the bank of the Yamuna river in New Delhi, India, November 8, 2022. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A metro train moves over a bridge built over the Yamuna river on a smoggy morning in New Delhi, India November 3, 2022. REUTERS/Adnan Abidi 

A car drives past the India Gate amidst heavy smog in New Delhi, India, November 3, 2022. On November 3 at 11:00 IST, Major Dhyan Chand National Stadium, the closest monitoring station, registered a PM 2.5 reading of 453. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Traffic moves slowly amidst smog on a flyover in New Delhi, India, November 29, 2022. On November 29 at 18:00 IST, Jawaharlal Nehru Stadium in Delhi, the closest monitoring station, registered a PM 2.5 reading of 233. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Traffic moves along a highway amidst haze and smog in New Delhi, India, November 18, 2022. On November 18 at 22:00 IST, Indirapuram, the closest monitoring station, registered a PM 2.5 reading of 256. REUTERS/Adnan Abidi SEARCH "ABIDI POLLUTION INDIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.