Based on statista 2023 data, the rate of air pollution is more and it will be clear warning to living things. According to the 2021 World Air Quality Report, India is home to 63 of the 100 most polluted cities, with New Delhi named the capital with the worst air quality in the world. The study also found that PM2.5 concentrations – tiny particles in the air that are 2.5 micrometres or smaller in length – in 48% of the country’s cities are more than 10 times higher than the 2021 WHO air quality guideline level.