Delhi’s winter smog could worsen respiratory risks, particularly for people with existing lung conditions, while prolonged exposure to polluted air may also increase the likelihood of cardiovascular events, according to Dr Saurabh Mittal, Assistant Professor in the Department of Pulmonary, Critical Care and Sleep Medicine at AIIMS.
Dr Mittal said people with chronic respiratory illnesses could face greater health risks as pollution levels rise during the winter period. He also said a flu outbreak was continuing across the city, creating an additional respiratory burden for residents.
According to the doctor, flu infections generally resolve within four to five days, but recovery can take several weeks for patients with Chronic Obstructive Pulmonary Disease (COPD). Coughing may continue beyond the usual duration in such cases, he said.
“Exposure to air pollution acts as a trigger, worsening the condition and sometimes requiring an escalation of treatment or an increase in the inhaler dose,” Dr Mittal said, as quoted by Millennium Post.
He explained that pollution can affect the lungs both immediately and gradually, while its impact on the heart and other organs tends to be chronic. During periods of peak pollution, people may experience symptoms including fatigue, tiredness and eye pain, he said.
Dr Mittal also linked long-term exposure to air pollution with a higher risk of cardiovascular events, including heart attacks and brain attacks. The warning is particularly relevant to residents who already have respiratory or cardiovascular vulnerabilities, although the report did not provide a citywide estimate of the number of people likely to be affected.
For residents, Dr Mittal advised limiting outdoor exposure as far as possible and wearing masks when going outside. People with existing lung conditions may also consider using air purifiers, he said. He further suggested that residents adjust the timing of morning walks to reduce exposure to polluted air.
The advice comes as Delhi prepares for the winter period, when stagnant air and pollution episodes can increase exposure for people travelling, working or exercising outdoors. The report did not specify a pollution forecast, emergency measure or government advisory linked to the warning. Residents with persistent or worsening respiratory symptoms are advised to seek medical attention.
