Breathing in Northern Ireland is Injurious to Health.

Air pollution threatens the health of 1.9 million people across 11 districts in Northern Ireland. The average PM2.5 level is 5.4 µg/m³—1.1Ɨ higher than the WHO guideline.

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Air Pollution in Northern Ireland

Northern Ireland faces significant air pollution challenges. 100% of districts exceed the WHO guideline for clean air. This is putting 1.9 million across 11 districts at risk.

The average PM2.5 over 2023 was 5.4µg/m³. That's 1.1 times the WHO guideline for clean air of 5µg/m³.

This is equivalent of everybody, including children, smoking about 90 cigarettes in a year.

Air Quality Trend

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

Life Expectancy Impact

If Northern Ireland met the WHO guideline of 5 µg/m³, the average person would live 0.01 years longer.

That's 19K years of life stolen from 1.9 million people. Years of watching children grow up. Years of building a career. Years of quiet mornings and celebrations.

Lives cut short. Breathing kills.

Districts with Highest Pollution

The top 10 most polluted districts in Northern Ireland. These areas face the greatest health burden from air pollution.

  • 1.Mid Ulster
    0.1 years lost
  • 2.Armagh, Banbridge and Craigavon
    0 years lost
  • 3.Belfast
    0 years lost
  • 4.Derry and Strabane
    0 years lost
  • 5.Newry, Mourne and Down
    0 years lost
  • 6.North Down and Ards
    0 years lost
  • 7.Fermanagh and Omagh
    0 years lost
  • 8.Lisburn and Castlereagh
    0 years lost
  • 9.Mid and East Antrim
    0 years lost
  • 10.Antrim and Newtownabbey
    0 years lost

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
100%
1.9M
10-15 µg/m³
0%
0
15-25 µg/m³
0%
0
25-35 µg/m³
0%
0
> 35 µg/m³
0%
0

All 11 Districts in Northern Ireland

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

DistrictPopulationPM2.5 µg/m³Years Lost
Belfast287K
5.4
0.0 years
Armagh, Banbridge and Craigavon217K
5.4
0.0 years
Lisburn and Castlereagh212K
5.3
0.0 years
Newry, Mourne and Down174K
5.4
0.0 years
North Down and Ards163K
5.4
0.0 years
Mid Ulster152K
5.6
0.1 years
Derry and Strabane152K
5.4
0.0 years
Antrim and Newtownabbey145K
5.3
0.0 years
Causeway Coast and Glens143K
5.2
0.0 years
Mid and East Antrim141K
5.3
0.0 years
Fermanagh and Omagh118K
5.3
0.0 years

Showing 11 districts, sorted by population (largest first). PM2.5 values are for 2023. Years lost calculated against WHO guideline of 5 µg/m³.