List of most-polluted cities by particulate matter concentration
| Position | Country | City/Town |
|---|---|---|
| 1 | India | Kanpur |
| 2 | India | Faridabad |
| 3 | India | Gaya |
| 4 | India | Varanasi |
Additionally, Which city in India has no pollution? The least polluted city in India, Shillong, had air pollution levels nearly 3-times higher than the recommended limit.
Which AQI is best for health? AQI values at and below 100 are generally considered to be satisfactory. When AQI values are above 100, air quality is considered to be unhealthy, at first for members of populations at greatest risk of a health effect, then for the entire population as AQI values get higher (greater than 150).
Subsequently, Which state is pollution free in India? 1. Hassan. Hassan city is located in the state of Karnataka and comes first in the list of top 10 least polluted cities in India. The city got its name after Hasanamba Temple and located 980 meters above sea level.
FAQ
Which city has best air quality?
World major city air quality ranking
| # | city | US AQI |
|---|---|---|
| 1 | Belgrade, Serbia | 240 |
| 2 | Lahore, Pakistan | 232 |
| 3 | Delhi, India | 173 |
| 4 | Kolkata, India | 169 |
Which city in India has best weather? Cities with Best Weather In India
- Pune. Image source: hindustantimes.com. …
- Belgaum. Image source: pixabay. …
- Thekkady. Image Source: Wikipedia. …
- Bangalore. Image source: wikipedia. …
- Hyderabad. Image source: Hyderabad. …
- Nainital. Image source: wikipedia. …
- Mysore. Image source: flickr. …
- Srinagar. Image source: pixabay.
Which country has the cleanest air? Countries Which Have The Cleanest Air
- Iceland. The country has one of the cleanest airs as it’s the least population density and the greenery combines with the scenic beauty makes this one of the most popular travel destinations for people. …
- Canada.
- Finland. …
- Brunei. …
- Estonia.
What are the 6 levels of air quality? These six pollutants are carbon monoxide, lead, nitrogen oxides, ground-level ozone, particle pollution (often referred to as particulate matter), and sulfur oxides.
How is AQI calculated?
How Is The AQI Calculated? To determine air quality in an area, pollutant concentrations are physically measured and reported. The AQI is calculated based on the average concentration of a particular pollutant measured over a standard time interval (24 hours for most pollutants, 8 hours for carbon monoxide and ozone).
What is PM2 5 polluted? Fine particulate matter (PM2.5) is an air pollutant that is a concern for people’s health when levels in air are high. PM2.5 are tiny particles in the air that reduce visibility and cause the air to appear hazy when levels are elevated.
Who has best air quality in the world?
World major city air quality ranking
| # | city | US AQI |
|---|---|---|
| 1 | Kolkata, India | 199 |
| 2 | Beijing, China | 186 |
| 3 | Dhaka, Bangladesh | 174 |
| 4 | Mumbai, India | 170 |
Which city has least pollution? Least polluted: Helsinki, Finland
The IQ Air report lists the capital of Finland as one of the least polluted capital cities in the world.
Where is the freshest air on Earth?
10 places with the world’s cleanest air
- Zurich, Switzerland. …
- Edinburgh, Scotland. …
- Honolulu, Hawaii. …
- Launceston, Australia. …
- Bergen, Norway. …
- Reykjavik, Iceland. …
- Trondheim, Norway. …
- Turku, Finland.
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.
Which state in India has highest pollution? Lucknow, the capital of India’s northern state Uttar Pradesh, has the country’s highest pollution level, with pollution levels 11 times higher than the WHO recommendation. If pollution continues, Lucknow residents will lose 10.3 years of life expectancy. Delhi, India’s capital, is likewise heavily polluted.
Why is Bangalore so cool? The altitude: Or ‘elevation’ as the experts put it, the city stands at a height of about 900mts or 3000ft from sea level. Higher the altitude, the colder it tends to get. This is a contributing factor to the general pleasantness of the city. These are the two main reasons.
Which Indian state has best climate?
1. Goa. The tropical climate of this pocket-size paradise allows visitors to experience its best. With sandy beaches, striking landscapes, adrenaline-stimulating activities, comfortable accommodations, and a vibrant nightlife, Goa makes it one of the top warm-weather places in India.
Which city has best climate? The No. 1 city with the best weather in the U.S.? Honolulu, Hawaii. Honolulu took the top spot with an average annual temperature of 77.7 degrees. While the city endures an average of 93 rainy days per year, it also averages 90 sunny days and zero days where the temperature dips below freezing.
Where is the purest air on Earth?
Which is the cleanest country in the world?
| # | country | 2020 AVG. US AQI |
|---|---|---|
| 1 | Puerto Rico | 15 |
| 2 | New Caledonia | 15 |
| 3 | U.S. Virgin Islands | 15 |
| 4 | Sweden | 21 |
Which country has the worst pollution? Bangladesh
Bangladesh is the most polluted country in the world, with an average PM2.5 concentration of 77.10, which is nonetheless a decrease from 83.30 in 2019 and 97.10 in 2018.
Which country has purest water?
1) Switzerland
Switzerland is repeatedly recognized as a country with the best quality tap water in the world. The country has strict water treatment standards and superior natural resources with an average rainfall per year of 60.5 inches. In fact, 80% of the drinking water comes from natural springs and groundwater.
What does AQI 500 mean? Very Unhealthy 201 to 300 Health alert: everyone may experience more serious health effects. Hazardous 301 to 500 Health warnings of emergency conditions. The entire population is more likely to be affected. Note: Values above 500 are considered Beyond the AQI.
What does a 500 air quality mean?
Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.
What happens when AQI is 500? Exceeding the 500 scale indicates the situation is terrible. At 500, maximum damage is done so there is no point going beyond that. It’s a situation similar to the US Environment Protection Agency’s (EPA) hazardous level. Its recommended that people remain indoors but indoor air quality is also impacted.”
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