Air Quality Index (AQI)

Air Quality Index (AQI)

Thick smoke from Canadian wildfires shrouds New York City yesterday (16 July), prompting air quality alerts and warnings for residents to limit time outdoors. Photo: Reuters

Hazardous Canadian wildfire smoke choking millions in US

Yesterday evening, tracker IQAir said Chicago and Detroit were the top polluted cities in the world, with New York not far behind.

Winter arrives in Dhaka, along with the title of the most polluted city in the world. This photo was captured in the Dhanmondi area on Monday, 9 December 2024 morning as Dhaka once again topped the list of cities with worst air quality with an AQI score of 302. Photo: Md Tajul Islam

Dhaka ranks world’s most polluted city Monday morning

Heavy dust from development work in Dhaka's Dayaganj area pollutes the air. The World Health Organisation’s report links 80,000 annual deaths to air pollution in Bangladesh. The report also notes that air pollution can heighten risks of wheezing, coughing, lower respiratory tract infections, and depression. Photo: Mehedi Hasan

Bangladesh’s air remains the second-worst globally in 2025

Heavy dust from development work in Dhaka's Dayaganj area pollutes the air. The World Health Organisation’s report links 80,000 annual deaths to air pollution in Bangladesh. The report also notes that air pollution can heighten risks of wheezing, coughing, lower respiratory tract infections, and depression. Photo: Mehedi Hasan

Dhaka ranks second among world’s most polluted cities

Dhaka’s air causes respiratory diseases, heart problems and reduces life expectancy. Photo: Syed Zakir Hossain

Dhaka records 'very unhealthy' air, second most polluted city globally

File Photo: Mehedi Hasan/TBS

Dhaka air turns deadly, ranks highest in global pollution

File Photo: Mehedi Hasan/TBS

Dhaka’s air quality 2nd worst in the world this morning