PM2.5 stands for particulate matter 2.5 microns or smaller. These particles are 30 times thinner than a human hair and come from car exhaust, power plants, wildfires, and burning fuel. They are small enough to bypass your body's natural defenses and enter your bloodstream.

How does air pollution affect the body?

Air pollution affects virtually every organ in the body. PM2.5 particles enter your lungs, pass into your bloodstream, and travel to your heart, brain, kidneys, liver, and other organs. This causes chronic inflammation, increasing risks of heart disease, stroke, lung cancer, dementia, and many other conditions.

How many people are affected by air pollution?

99% of the global population breathes air that exceeds WHO safety guidelines. Air pollution kills approximately 8 million people every year—more than AIDS, malaria, and tuberculosis combined.

Thailand's Lamphun Air Pollution Report

Overview

Air Pollution in Lamphun

Lamphun faces significant air pollution challenges. 100% of districts exceed the WHO guideline for clean air. This is putting 424 thousand across 8 districts at risk.

The average PM2.5 over 2023 was 31.5µg/m³. That's 6.3 times the WHO guideline for clean air of 5µg/m³.

This is equivalent of everybody, including children, smoking about 523 cigarettes in a year.

Trends

Air Quality Trend

Annual PM2.5 levels from 2014 to 2023. The WHO guideline for safe air is 5 µg/m³.

Health Impact

Life Expectancy Impact

If Lamphun met the WHO guideline of 5 µg/m³, the average person would live 2.59 years longer.

That's 1.1M years of life stolen from 424 thousand people. Years of watching children grow up. Years of building a career. Years of quiet mornings and celebrations.

Lives cut short. Breathing kills.

Most Polluted

Districts with Highest Pollution

The top 8 most polluted districts in Lamphun. These areas face the greatest health burden from air pollution.

1.Ban Thi
2.9 years lost
2.Muang Lamphun
2.8 years lost
3.Mae Tha
2.6 years lost
4.Pa Sang
2.5 years lost
5.Ban Hong
2.5 years lost
6.K. Wiang Nong Long
2.5 years lost
7.Li
2.3 years lost
8.Thung Hua Chang
2.3 years lost

Exposure

Population Exposure by Pollution Level

Distribution of population across different PM2.5 pollution levels. The WHO guideline is 5 µg/m³—only populations below this threshold are breathing safe air.

< 5 µg/m³

5-10 µg/m³

10-15 µg/m³

15-25 µg/m³

25-35 µg/m³

100%

424K

> 35 µg/m³

Districts

All 8 Districts in Lamphun

Complete air quality data for every district in Lamphun, sorted by population.

District	Population	PM2.5 µg/m³	Years Lost
Muang Lamphun	143K	33.4	2.8 years
Pa Sang	67K	30.9	2.5 years
Li	65K	28.8	2.3 years
Ban Hong	48K	30.1	2.5 years
Mae Tha	42K	31.9	2.6 years
Ban Thi	22K	34.5	2.9 years
Thung Hua Chang	19K	28.1	2.3 years
K. Wiang Nong Long	19K	30.1	2.5 years

Showing 8 districts, sorted by population (largest first). PM2.5 values are for 2023. Years lost calculated against WHO guideline of 5 µg/m³.

Breathing in Lamphun is Injurious to Health.