Punjab’s air quality shows improvement, with Mandi Gobindgarh, Chandigarh, and Ludhiana ranking among the world’s most polluted cities. Despite a global trend of increasing pollution in some nations, these Indian cities have seen a reduction in annual PM2.5 levels. However, levels remain significantly higher than WHO safe limits.Punjab’s air quality shows improvement, with Mandi Gobindgarh, Chandigarh, and Ludhiana ranking among the world’s most polluted cities. Despite a global trend of increasing pollution in some nations, these Indian cities have seen a reduction in annual PM2.5 levels. However, levels remain significantly higher than WHO safe limits.
