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Local Air Quality

Responsibly Addressing Local Emissions

The impact of aircraft emissions on local air quality is relatively small. Even in the vicinity of airports, emissions from aviation only represent approximately 10% of total regional emissions (ICAO, Environmental Report 2010, p. 29).

Emissions from aircraft engines have mainly been reduced through the introduction of improved engine designs, which over time has gradually reduced the emissions of oxides of nitrogen (NOx) and carbon monoxide (CO) and has almost completely eliminated emissions of unburned hydrocarbons (HC) and smoke.

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