As Delhi slips deeper into its annual pollution spiral, an AIIMS Delhi neurologist has issued a timely reminder—your air purifiers won’t help you unless you clean them regularly. With the Air Quality Index fluctuating between “poor” and “very poor,” doctors are seeing a steady rise in respiratory and neurological complaints linked to toxic air exposure.
Dirty Purifiers are ‘Silent Culprits’: Expert
A neurologist said most households believe that it is enough if an air purifier is switched on to keep them protected. But in the current pollution load, the filters choke in a few weeks, thereby drastically reducing their efficiency. “A blocked filter stops trapping PM2.5 particles. People think they are breathing clean air, but they are not, and the risk is invisible,” the doctor cautioned.
He urged Delhi residents to clean pre-filters every week and replace HEPA filters as recommended by manufacturers—sometimes sooner during peak smog months. Ignoring this, he explained, leads not only to breathing difficulties but also to headaches, fatigue, and neurological stress due to prolonged inhalation of harmful airborne toxins.
Simple Habits That Can Reduce Lung Damage
Beyond purifiers, the neurologist listed a set of practices for reducing daily exposure. One big tip: avoid early-morning outdoor activities. “Cold, stagnant air traps pollutants close to the ground. Morning walks during high AQI days do more harm than good,” he said.
He also advised keeping windows shut during hours of peak pollution, wearing masks rated N95 when outdoors, and wet-dusting at home without sweeping, which whips particles into the air.
Hydration also plays a subtle but important role: drinking enough water thins mucus and lets the lungs push out pollutants more easily. Adding antioxidant foods—like amla, turmeric, nuts, and leafy greens—can give the body extra support in fighting inflammation caused by toxic air.
Rising Health Concerns Across the Capital
Hospitals across the NCR have recorded a sharp rise in patients with complaints of wheezing, throat irritation, eye inflammation, and breathlessness since pollution levels started rising in late October. Children, the elderly, and people suffering from asthma or neurological conditions are particularly at risk, doctors said.
The neurologist further said that continued exposure to unsafe AQI levels exacerbates pre-existing brain-related disorders, triggers migraines, and affects concentration.
‘Pollution Will Take Months to Ease—Protection Must Begin Now’ Ending his advisory, he stressed that Delhi’s air crisis is not going away anytime soon. “We can’t control outdoor pollution overnight, but we can control what we inhale at home,” he said. “A clean purifier and mindful daily habits can significantly cut down the damage.”
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