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photo: AP / Alaska Volcano Observatory/U.S. Geological Survey, Cyrus Read
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Videos
9:01

Pollution: a global public health crisis

3:53

Air Pollution 101 | National Geographic

22:20

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

9:14

Global pollution: seeking solutions: BBC News Review

42:31

The world’s most polluted river | DW Documentary

7:30

What Is PLASTIC POLLUTION? | What Causes Plastic Pollution? | The Dr Binocs Show | Peekaboo Kidz

9:02

Plastic Pollution: How Humans are Turning the World into Plastic

1:13

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

4:01

What Are The World’s Most Polluted Cities?

26:02

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

21:55

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

3:05

Causes and Effects of Climate Change | National Geographic

1:37

Pollution | Global Goals

2:44

Pollution - Science for Kids | Primary World

5:47

Learn about Pollution | Environment Defilement | Cartoon

10:07

TOP 10 Extreme Polluted Cities in the world

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
photo: Creative Commons / Judgefloro
photo: AP / Alaska Volcano Observatory/U.S. Geological Survey, Cyrus Read
Videos
9:01

Pollution: a global public health crisis

3:53

Air Pollution 101 | National Geographic

22:20

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

9:14

Global pollution: seeking solutions: BBC News Review