Exploring Dhaka’s Air Quality: What a Moderate AQI Score of 50 Means for Your Health

Recently, Dhaka, the bustling capital of Bangladesh, found itself ranked 75th among cities with the worst air quality. On a Sunday morning, the air quality index (AQI) hit 50, indicating a ‘moderate’ level of pollution. This level means that generally healthy people can go about their day with little concern, though sensitive individuals might want to limit outdoor activities.

The AQI uses a scale to inform the public about air quality. It ranges from 0 to above 300. Values between 50 and 100 are considered moderate, while 101 to 150 is unhealthy for sensitive groups. Anything above 200 is increasingly dangerous to health.

Cities like Kinshasa in the Democratic Republic of the Congo, Jakarta in Indonesia, and Manama in Bahrain topped the list, showing AQI scores of 158, 131, and 110, respectively. These numbers highlight a global issue that many urban areas face, but the situation in Dhaka is particularly acute, especially during the winter months when pollution often spikes.

The AQI in Bangladesh tracks five key pollutants: PM10, PM2.5, nitrogen dioxide (NO2), carbon monoxide (CO), sulfur dioxide (SO2), and ozone. As the weather shifts with the seasons, Dhaka sees a change in air quality, often improving during the monsoon but struggling the rest of the year.

Global air pollution is a serious health concern. The World Health Organization reports that air pollution leads to approximately seven million deaths every year, primarily from conditions such as heart disease, stroke, and respiratory issues. This alarming statistic emphasizes the urgency of addressing air quality worldwide.

Interestingly, social media has sparked conversations about air quality. Many users share real-time AQI updates or personal stories about health issues related to pollution, creating a community awareness around air quality’s impact. In today’s digital age, these discussions can pressure local governments to take action for cleaner air.

By understanding air quality metrics and their implications, individuals can better navigate their environments and advocate for healthier living conditions. In the long run, addressing air pollution is crucial for the health of cities like Dhaka and for millions around the globe.

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