Physician assistant student Chloe Frabotta shakes hand with faculty members on stage during white coat ceremony at Weill Cornell Medicine, Tuesday, Aug. 18, 2026, in New York. (AP Photo/Yuki Iwamura)

Physician assistant student Chloe Frabotta poses for a picture after the white coat ceremony at Weill Cornell Medicine, Tuesday, Aug. 18, 2026, in New York. (AP Photo/Yuki Iwamura)

FILE - People light firecrackers to celebrate Diwali, the festival of lights, in Ahmedabad, India, Oct. 20, 2025. (AP Photo/Ajit Solanki, File)

Traffic moves through evening smog in New Delhi, India, as air quality across the capital region deteriorates ahead of winter, Friday, Nov. 6, 2026. (AP Photo/Manish Swarup)

A worker sweeps the area outside a construction site as authorities use water sprinklers to curb air pollution in New Delhi, India, Friday, Nov. 6, 2026. (AP Photo/Manish Swarup)

FILE - A student wears a face mask while crossing a foot over bridge amidst morning smog in New Delhi, India, Nov. 18, 2025. (AP Photo/Manish Swarup, File)

An elderly woman uses an air purifier inside her room amid deteriorating air quality in New Delhi, India, Friday, Nov. 6, 2026. (AP Photo/Manish Swarup)

FILE - Citizens shout slogans during a protest against what they called the government's lack of action to combat air pollution in the capital city New Delhi, India, Nov. 18, 2025. (AP Photo/Manish Swarup, File)