Dhaka, the bustling capital of Bangladesh, is facing a harsh reality. Recently, it ranked 10th among cities with the worst air quality, recording an AQI score of 114 in the morning. This rating indicates that air pollution poses health risks, especially for sensitive groups like children and the elderly.
Other cities are not faring much better. Kuwait City topped the list with a staggering AQI score of 242, followed by Baghdad at 167 and Kolkata at 166. These numbers highlight a serious global issue—air quality is declining in many urban areas.
The Air Quality Index (AQI) gives us a snapshot of how clean or polluted the air is. Scores between 50 and 100 are considered “moderate,” meaning most people can go about their day without much worry. However, once the score hits 101 to 150, the air becomes “unhealthy for sensitive groups.” Scores above this escalate quickly; over 200 is labeled “very unhealthy,” and anything above 300 is “hazardous,” signaling serious health threats.
In Dhaka, five main pollutants contribute to the AQI: particulate matter (PM10 and PM2.5), nitrogen dioxide (NO2), carbon monoxide (CO), sulfur dioxide (SO2), and ozone. Unfortunately, air quality tends to worsen during the winter months, although it often improves during the rainy season. This situation has persisted for years, putting pressure on residents and prompting discussions on potential solutions.
Globally, air pollution is a significant concern. According to the World Health Organization, it claims around seven million lives each year, primarily from diseases like stroke and heart issues. In light of these staggering statistics, experts emphasize the need for immediate action. Reducing emissions, promoting public transport, and enforcing stricter regulations on industrial pollution are all steps experts believe can make a difference.
Moreover, recent social media trends show growing public concern about air quality. Many users are sharing tips on how to protect themselves, like using air purifiers indoors and wearing masks outside. This grassroots awareness is crucial in our fight against air pollution.
In conclusion, improving air quality in cities like Dhaka isn’t just a local issue; it’s a global challenge that requires collective action. With rising awareness and consistent effort, there is hope for cleaner air. The journey starts with understanding the problem and committing to solve it, for the sake of our health and future.
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