Dhaka, the bustling capital of Bangladesh, has hit a worrying mark. This week, it ranked as the ninth most polluted city globally, with an Air Quality Index (AQI) score of 153 reported at 9:20 AM. This level of pollution is categorized as ‘unhealthy,’ which means it poses health risks to many people.
Other cities leading the pollution charts include Dakar in Senegal, with an AQI of 299, Chiang Mai in Thailand at 282, and Delhi in India at 199. The AQI scale is straightforward: scores from 101 to 150 are unhealthy for sensitive groups, 151 to 200 are unhealthy for everyone, 201 to 300 are very unhealthy, and anything over 301 is considered hazardous.
The AQI gives residents a daily report on air quality, helping them understand how clean or polluted the air is and what health risks may arise. In Bangladesh, AQI readings are based on five key pollutants: particulate matter (PM10 and PM2.5), nitrogen dioxide (NO2), carbon monoxide (CO), sulfur dioxide (SO2), and ozone.
Sadly, Dhaka has faced air pollution challenges for years. Air quality often dips in winter but tends to improve during the monsoon season. A recent report from the World Health Organization states that air pollution globally leads to approximately seven million deaths annually, affecting many with conditions like heart disease and respiratory infections.
Interestingly, social media reactions show growing concern among residents. Many have taken to platforms like Twitter to express their worries about the city’s air quality and its impact on health. In a recent survey, over 70% of people in Dhaka reported experiencing health issues attributed to air pollution, highlighting a pressing need for action.
Experts emphasize that tackling air pollution requires a multi-faceted approach—improvements in public transport, stricter regulations on emissions, and raising public awareness about pollution’s health effects can play vital roles. For further insights on air quality initiatives and health impacts, you can check this [World Health Organization report](https://www.who.int/news-room/fact-sheets/detail/air-quality-and-health).
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