In charts: Delhi AQI at 463 today, Kaithal in Haryana is most polluted
[ad_1] The air quality index (AQI) in several cities in northern India stayed severe on Sunday morning. Of the 10 cities with the worst air quality at 11 am, five…
[ad_1] The air quality index (AQI) in several cities in northern India stayed severe on Sunday morning. Of the 10 cities with the worst air quality at 11 am, five…