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Air pollution has increased the number of respiratory diseases in various cities in Pakistan, and officials have said it is a significant increase compared to last year. The air quality has become very poor in Karachi, Lahore and Peshawar, and the cause has been attributed to the smog that has spread over the cities for several weeks. Health authorities in various cities in Pakistan have issued winter guidelines, advising people to reduce their activities and movements outside their homes and residences. The air in Lahore has also become dangerously polluted, causing many health problems for the people. The main causes of air pollution are burning agricultural residues, vehicle exhaust and industrial gases. #BBCPashto #BBCPashtoTV #BBCNarayDaWakht Subscribe for more videos: https://www.youtube.com/c/BBCPashto?s... Youtube: / @bbcpashto Like us on Facebook: / bbcpashto Follow us on Twitter: / bbcpashto Instagram: / bbcpashto