Breathing in Oita is Injurious to Health.

Air pollution threatens the health of 1.1 million people across 18 districts in Oita. The average PM2.5 level is 11.6 Āµg/mĀ³ā€”2.3Ɨ higher than the WHO guideline.

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Overview

Air Pollution in Oita

Oita faces significant air pollution challenges. 100% of districts exceed the WHO guideline for clean air. This is putting 1.1 million across 18 districts at risk.

The average PM2.5 over 2023 was 11.6Āµg/mĀ³. That's 2.3 times the WHO guideline for clean air of 5Āµg/mĀ³.

This is equivalent of everybody, including children, smoking about 192 cigarettes in a year.

Trends

Air Quality Trend

Annual PM2.5 levels from 2014 to 2023. The WHO guideline for safe air is 5 Āµg/mĀ³.

Health Impact

Life Expectancy Impact

If Oita met the WHO guideline of 5 Āµg/mĀ³, the average person would live 0.67 years longer.

That's 724K years of life stolen from 1.1 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 Oita. These areas face the greatest health burden from air pollution.

  • 1.Ōita
    0.8 years lost
  • 2.Nakatsu
    0.7 years lost
  • 3.Usa
    0.7 years lost
  • 4.Hiji
    0.6 years lost
  • 5.Beppu
    0.6 years lost
  • 6.Himeshima
    0.6 years lost
  • 7.Bungotakada
    0.6 years lost
  • 8.Hita
    0.6 years lost
  • 9.Kitsuki
    0.5 years lost
  • 10.Bungo-ōno
    0.5 years lost
Exposure

Population Exposure by Pollution Level

Distribution of population across different PM2.5 pollution levels. The WHO guideline is 5 Āµg/mĀ³ā€”only populations below this threshold are breathing safe air.

< 5 Āµg/mĀ³
0%
0
5-10 Āµg/mĀ³
5%
54K
10-15 Āµg/mĀ³
95%
1.0M
15-25 Āµg/mĀ³
0%
0
25-35 Āµg/mĀ³
0%
0
> 35 Āµg/mĀ³
0%
0
Districts

All 18 Districts in Oita

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

DistrictPopulationPM2.5 Āµg/mĀ³Years Lost
Ōita465K
12.7
0.8 years
Beppu110K
11.1
0.6 years
Nakatsu77K
12.1
0.7 years
Saiki62K
10.1
0.5 years
Hita62K
10.8
0.6 years
Usa51K
11.9
0.7 years
Bungo-ōno33K
10.3
0.5 years
Usuki33K
10.3
0.5 years
Yufu32K
9.8
0.5 years
Hiji26K
11.3
0.6 years
Kitsuki26K
10.6
0.5 years
Kunisaki25K
10.2
0.5 years
Bungotakada22K
10.8
0.6 years
Taketa20K
10.3
0.5 years
Kusu14K
9.5
0.4 years
Tsukumi13K
10.1
0.5 years
Kokonoe8K
9.1
0.4 years
Himeshima1K
10.9
0.6 years

Showing 18 districts, sorted by population (largest first). PM2.5 values are for 2023. Years lost calculated against WHO guideline of 5 Āµg/mĀ³.