🌫️ Lecture 7: Air Pollution and Human Health

What is the estimated number of deaths caused by air pollution each year? What can chronic exposure lead to?

Approximately 7 million premature deaths globally.

• Lung disease

• Cardiovascular disease

• Mental health effects

• Pregnancy complications

What is the purpose of the Daily Air Quality Index (DAQI)?

To inform the public of pollution levels using indicators like NO₂, SO₂, O₃, PM2.5, and PM10.

Name major sources of outdoor air pollution.

• Industry, transport

• humans

• natural sources like volcanoes

• wildfires.

List sources of indoor air pollution.

• Cooking

• heating

• smoking

• mould

• dust

• building materials.

Define Air Pollution vs Air Quality

• Air Pollution: Presence of harmful substances in air.

• Air Quality: Measure of cleanliness/safety of the air.