Air Pollution Reaching Critical Levels: What Can Be Done?
Air Quality Index: Understanding the Levels of Pollution
The Air Quality Index (AQI) is a measure of the concentration of certain pollutants in the air. These pollutants include particulate matter (PM2.5 and PM10), ozone (O3), nitrogen dioxide (NO2), and sulfur dioxide (SO2).
Most Polluted Cities in the World
According to the World Health Organization (WHO), the most polluted cities in the world are located in Southeast Asia and the Middle East. The top 10 most polluted cities in 2023 are:
- Delhi, India
- Cairo, Egypt
- Dhaka, Bangladesh
- Kolkata, India
- Lahore, Pakistan
- Tehran, Iran
- Karachi, Pakistan
- Riyadh, Saudi Arabia
- Amman, Jordan
- Kabul, Afghanistan
Kathmandu Air Quality Index
Kathmandu, Nepal, has an Air Quality Index of "Good" as of today. This means that the air quality is not a major health concern for most people.
What Can Be Done to Reduce Air Pollution?
There are a number of things that can be done to reduce air pollution, including:
- Reducing the number of vehicles on the road
- Using cleaner fuels
- Improving public transportation
- Promoting walking and biking
- Planting trees
- Reducing industrial emissions
- Enacting stricter regulations on polluters
By taking these steps, we can improve the air quality in our cities and protect the health of our planet.
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