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photo: UN Climate Change - Kamran Guliyev
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Videos
4:57

Delhi becomes world’s most polluted city | BBC News

1:39

Delhi is world's most polluted city: Toxic smog fills hospitals and delays flights

3:57

New Delhi: World’s Most Polluted Capital City | Vantage with Palki Sharma

9:16

Delhi Pollution: GRAP III Curbs Amid ‘Severe’ AQI | WION Climate Tracker

2:31

Why is Delhi the most polluted city in the world with a decrease in stubble burning and firecrackers

0:15

Stop Plastic Pollution III. #shorts

3:53

Air Pollution 101 | National Geographic

46:25

Airpocalypse: Surviving the World's Most Polluted City | Free Documentary

9:02

Plastic Pollution: How Humans are Turning the World into Plastic

6:10

Air Pollution | What Causes Air Pollution? | The Dr Binocs Show | Kids Learning Videos|Peekaboo Kidz

18:42

Delhi Smog | Delhi Pollution | Biggest Stories Of November 16, 2024

9:01

Pollution: a global public health crisis

21:55

What is POLLUTION? | Types of POLLUTION - Air | Water | Soil | Noise | Dr Binocs Show -Peekaboo Kidz

5:41

What makes Delhi's air so deadly

3:03

New Delhi: Worst Air Quality Reading Of The Season | World News | WION Fineprint

3:36

Record levels of toxic air make Delhi world’s most polluted city

Particle Pollution (PM)

Particle pollution, also called particulate matter or PM, is a mixture of solids and liquid droplets floating in the air. Some particles are released directly from a specific source, while others form in complicated chemical reactions in the atmosphere.

Particles come in a wide range of sizes. Particles less than or equal to 10 micrometers in diameter are so small that they can get into the lungs, potentially causing serious health problems. Ten micrometers is less than the width of a single human hair.

  • Good
    Air quality is considered satisfactory, and air pollution poses little or no risk.
  • Moderate
    Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
  • Unhealthy for Sensitive Groups
    Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Videos
4:57

Delhi becomes world’s most polluted city | BBC News

1:39

Delhi is world's most polluted city: Toxic smog fills hospitals and delays flights

3:57

New Delhi: World’s Most Polluted Capital City | Vantage with Palki Sharma

9:16

Delhi Pollution: GRAP III Curbs Amid ‘Severe’ AQI | WION Climate Tracker