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Videos
1:13

See How Children Live in the World's Most Polluted City | National Geographic

3:53

Air Pollution 101 | National Geographic

42:31

The world’s most polluted river | DW Documentary

9:01

Pollution: a global public health crisis

22:20

Visiting the MOST AIR POLLUTED CITY in the World (Dust Hell)

3:11

How We Can Keep Plastics Out of Our Ocean | National Geographic

3:36

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

9:02

Plastic Pollution: How Humans are Turning the World into Plastic

4:01

What Are The World’s Most Polluted Cities?

1:37

Pollution | Global Goals

0:23

Most Polluted Country in the world???

2:28

WION Climate Tracker | Thai capital chokes on air pollution | World News | English News | WION

6:27

How To Make Paint From Pollution | World Wide Waste

13:58

The Devastating Effects of Pollution in China (Part 1/2)

26:02

Most Polluted Major City On Earth | Race For Clean Air FULL DOCUMENTARY | Formula E | Delhi, India

14:00

How To Clean Up The World’s Most Polluted Rivers

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.
News
Videos
1:13

See How Children Live in the World's Most Polluted City | National Geographic

3:53

Air Pollution 101 | National Geographic

42:31

The world’s most polluted river | DW Documentary

9:01

Pollution: a global public health crisis