Khawpui boruak bal zual 30 zingah India rama khawpui 22 an tel

Swiss organisation, IQAir in 'World Air Quality Report, 2020' report a tihchhuahah, khawvela khawpui boruak bal, most polluted cities 30 thlan chhuah zingah khawpui 22 chu India rama mi an ni a, Delhi khawpui chu a zawnin kum thum chhung khawpui boruak bawlhhlawhna ber a ni. 

Thawhlehnia report tih­chhuahah hian Delhi chu khawpui boruak bawlh­hlawhlna ber la ni mah se, khawpui chhung air quality kum 2019 ai chuan kum 2020-ah 15% velin a ziaawm tawh thung. Delhi khawpui bakah khawvela khawpui boruak bal 30 thlan chhuah zingah hian India rama khawpui dang, Ghaziabad, Bulandshahar, Bisrakh Jalalpur, Noida, Grea­ter Noida, Kanpur, Luck­now, Meerut, Agra, Muza­ffarnagar, Bhiwari, Faridabad, Jind, Hisar, Fatehabad, Band­hwari, Gurugram, Yamuna Nagar, Rohtak, Dharu­hera leh Muzza­ffarpur te an tel.