The persistent cold weather in Dhaka is not only impacting daily life but also contributing to the city’s unhealthy air quality, marking a cause for concern.
As of 9:10 am on Sunday, Dhaka recorded an air quality index (AQI) score of 164, ranking it eighth among cities worldwide with the poorest air quality. Topping the list were India’s Kolkata, Delhi, and China’s Chengdu, with AQI scores of 360, 246, and 186, respectively.
An AQI reading between 101 and 150 is categorized as “unhealthy,” indicating potential health risks. The AQI ranges further with 201-300 labeled as “very unhealthy,” and readings beyond 301 considered “hazardous,” posing serious threats to residents.
In Bangladesh, the AQI is determined based on five criteria pollutants: Particulate Matter (PM10 and PM2.5), NO2, CO, SO2, and Ozone. Dhaka, familiar with air pollution challenges, typically witnesses a decline in air quality during winter, only to see improvement during the monsoon season.
Air pollution is a persistent issue globally, ranking among the top risk factors for death and disability. According to the World Health Organization (WHO), an estimated seven million people worldwide succumb to the effects of air pollution annually. The increased mortality is attributed to various health complications, including stroke, heart disease, chronic obstructive pulmonary disease, lung cancer, and acute respiratory infections.
As Dhaka grapples with both cold weather and deteriorating air quality, authorities are urged to address these concerns promptly to safeguard the well-being of residents.
