Breathing in Ehime is Injurious to Health.

Air pollution threatens the health of 1.3 million people across 20 districts in Ehime. The average PM2.5 level is 10.6 µg/m³—2.1× higher than the WHO guideline.

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Brought to you by Amrit Sharma

Overview

Air Pollution in Ehime

Ehime faces significant air pollution challenges. 100% of districts exceed the WHO guideline for clean air. This is putting 1.3 million across 20 districts at risk.

The average PM2.5 over 2023 was 10.6µg/m³. That's 2.1 times the WHO guideline for clean air of 5µg/m³.

This is equivalent of everybody, including children, smoking about 176 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 Ehime met the WHO guideline of 5 µg/m³, the average person would live 0.53 years longer.

That's 676K years of life stolen from 1.3 million 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 10 most polluted districts in Ehime. These areas face the greatest health burden from air pollution.

  • 1.Saijō
    0.6 years lost
  • 2.Matsuyama
    0.6 years lost
  • 3.Masaki
    0.6 years lost
  • 4.Imabari
    0.6 years lost
  • 5.Niihama
    0.6 years lost
  • 6.Kamijima
    0.5 years lost
  • 7.Tobe
    0.5 years lost
  • 8.Iyo
    0.5 years lost
  • 9.Tōon
    0.5 years lost
  • 10.Shikokuchūō
    0.5 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
0%
0
5-10 µg/m³
26.6%
339K
10-15 µg/m³
73.4%
937K
15-25 µg/m³
0%
0
25-35 µg/m³
0%
0
> 35 µg/m³
0%
0
Districts

All 20 Districts in Ehime

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

DistrictPopulationPM2.5 µg/m³Years Lost
Matsuyama492K
11.5
0.6 years
Imabari142K
10.9
0.6 years
Niihama111K
10.8
0.6 years
Saijō101K
11.5
0.6 years
Shikokuchūō79K
10.0
0.5 years
Uwajima65K
8.1
0.3 years
Ōzu40K
8.1
0.3 years
Seiyo34K
7.7
0.3 years
Iyo33K
10.0
0.5 years
Yawatahama31K
8.8
0.4 years
Tōon30K
10.0
0.5 years
Masaki28K
11.5
0.6 years
Tobe25K
10.1
0.5 years
Ainan18K
8.4
0.3 years
Uchiko15K
7.5
0.2 years
Kihoku10K
7.2
0.2 years
Kumakōgen7K
7.4
0.2 years
Ikata7K
9.3
0.4 years
Kamijima4K
10.2
0.5 years
Matsuno4K
7.3
0.2 years

Showing 20 districts, sorted by population (largest first). PM2.5 values are for 2023. Years lost calculated against WHO guideline of 5 µg/m³.