Delhi's air quality remains in 'severe plus' category, AQI climbs to 494 on Tuesday; Nearly 22 trains delayed

Delhi AQI Today: Delhi's air quality remained severely polluted, reaching alarming levels of 494 AQI, prompting school closures and emergency measures. The Supreme Court intervened, directing strict implementation of anti-pollution measures as toxic smog engulfed the region, impacting visibility and railway operations.