Juhi Chawla, Dia Mirza express concern over air pollution in Mumbai Juhi Chawla, Dia Mirza express concern over air pollution in Mumbai Written byRia SharmaRia Sharma / Updated: Jan 12, 2021, 13:27 IST Juhi Chawla on Tuesday took to social media and expressed concern over the deteriorating air quality of Mumbai. The Mumbai air is currently filled with smog, which is making its residents uncomfortable. In fact, since the beginning of January 2021, the air quality index (AQI) of Mumbai has been worse than Delhi. “What has happened to the air in Mumbai ..?? I tried to walk in my balcony... and I felt like I was inhaling dust... only dust,” Juhi tweeted.