In an alarming reflection of the city’s air pollution levels, the WHO’s global air pollution database has ranked Mumbai as the fourth most polluted megacity in the world, up from last year’s fifth place. The state capital has also been ranked the 63rd most polluted city among 859 considered by the WHO around the world.
Is Mumbai most polluted?
According to IQAir, a Switzerland-based climate group that is also a technology partner of the United Nations Environmental Program(UNEP) has listed Mumbai and Kolkata are in the top ten most polluted cities of the world. … The cities with the worst AQI indices also include Lahore, in Pakistan, and Chengdu, in China.
Why is the pollution so bad in Mumbai?
Why is Mumbai so polluted? … It seems that, like other major cities throughout the world, most of the pollution is caused by traffic and construction. 29 per cent of the airborne particulate matter comes from road and construction dust. This is followed by power plants which add 20 per cent to the PM levels.
What is the rank of Mumbai in pollution?
Pollution Index by City 2021 Mid-Year
|39||Mexico City, Mexico||82.81|
|40||Skopje, North Macedonia||82.75|
Is Mumbai air safe?
Air pollution in Mumbai remains a serious concern with PM 10 — the atmospheric particulate matter that has a diameter of less than 10 micrometres — being one and a half times above the safe limit. … Similarly, annual average PM 2.5 concentration is 46 µg/m3, which is above the limit prescribed by WHO.
Which Indian city has best air quality?
Where is the cleanest air in India? The cleanest city in India is Satna in the state of Madhya Pradash with a 2019 PM2.5 reading of 15.5µg/m³ and a US AQI figure of 58. The next cleanest city was Kumbhori in the state of Maharashtra with a figure of 20.3µg/m³.
Is Mumbai air quality good?
Mumbai has the highest concentration of PM10 among the 24 major cities of peninsular India. The particulate concentration rose exponentially over the last few years which has made it the most polluted city out of the three prominent coastal cities (the others are Kolkata and Chennai).
Which air quality is best?
AQI values at or below 100 are generally thought of as satisfactory. When AQI values are above 100, air quality is unhealthy: at first for certain sensitive groups of people, then for everyone as AQI values get higher.
How much waste does Mumbai produce per day?
Mumbai generates waste to the tune of approximately 7,025tonnes per day. The waste consists of: • 5,025tonnes of mixed waste (bio-degradable and recyclable) • 2,000tonnes of debris and silt.
Is Mumbai more polluted than Delhi?
Mumbai’s air has become more toxic than Delhi’s. The Air Quality Index in South Mumbai has reached 345 points. Whereas the air quality coordinate in Delhi on Monday was 331. The air was found to be the most polluted in Colaba, Mumbai.
Which is the dirtiest country in the world?
List of most-polluted cities by particulate matter concentration
What is the most polluted cities in the world 2021?
10 world’s most polluted cities in 2021
- Kathmandu, Nepal | World’s most polluted cities. …
- Tetovo, North Macedonia. …
- Faridabad, India. …
- Kabul, Afghanistan. …
- Accra, Ghana | World’s most polluted cities. …
- Ulaanbaatar, Mongolia. …
- Beirut, Lebanon. …
- Ghaziabad, India.
Why does the city of Mumbai need to take air pollution more seriously?
Poverty creates conditions conducive to pollution and the report confirmed that biofuel burnt in Mumbai’s slums for household purposes was contributing 27.05% to the pollution.
Why is Delhi so polluted?
A mix of factors like vehicular and industrial emissions, dust and weather patterns make Delhi the world’s most polluted capital. The air turns especially toxic in winter months as farmers in neighbouring states burn crop stubble. … Low wind speed also plays a part as it traps the pollutants in the lower atmosphere.
Why is Delhi AQI so bad?
Five key reasons: 1. Weather: Delhi, its neighbouring cities and entire northern India experiences a phenomenon called winter inversion. A typical weather phenomenon which results in low wind speed combined with a dip in temperature which leads to a ‘low mixing height’ and brings down the pollutants closer to ground.