Delhi recorded its cleanest air in over three months after rain and gusty winds brought the AQI down to a ‘moderate’ level. Forecasts, however, suggest pollution levels may worsen again, with ‘poor’ and ‘very poor’ categories expected around January 25–27, alongside shifting winter weather conditions linked to western disturbances.
Hospitals in Kolkata are reporting a surge in cough and cold cases amid fluctuating winter temperatures, with doctors linking the rise to common respiratory viruses and warning against unnecessary antibiotic use.
Bengaluru saw partly cloudy, warm conditions on 25 January 2026, but air quality stayed in the ‘poor’ bracket, prompting advisories on reducing outdoor activity and taking precautions—especially for vulnerable groups.
After Nipah virus infections were confirmed in West Bengal, Tamil Nadu has increased surveillance and preparedness, asking districts to closely monitor cases—especially those with travel links. Officials have reiterated hygiene guidance and 21-day contact monitoring, noting Nipah’s high fatality risk and potential for human-to-human spread.
Tamil Nadu health authorities have intensified Nipah surveillance and preparedness, asking districts and hospitals to watch for patients with relevant travel links as part of precautionary measures after confirmed cases in West Bengal.
West Bengal officials say one of two nurses who tested positive for Nipah virus has shown improvement, while the other remains in a critical condition. Authorities said close contacts have been monitored and, so far, no additional positives have been reported in the state.