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Real Time Operation of Interior Air Quality Measurement Equipment

• Incheon International Airport has installed interior air quality measurement equipment to monitor Terminal 1 and 2, Arrival Hall, Departure Area, and Concourse Floor 3 around the clock to provide the best possible service to the airport users.

Real time air quality measurement results

(Unit: Fine Particulate Matter (PM10, PM2.5): ㎍/㎥; Others: ppm)

Terminal 1 (Standard : 2025Year 11Month 08Day 05Hour)

Passenger (2F), indoor air quality measurement result table guide

Fine Particulate Matter(PM-10)	17	Ultra-Fine Particulate Matter(PM-2.5)	9
Carbon Dioxide(CO2)	616	Carbon Monoxide(CO)	0.8
Nitrogen Dioxide(NO2)	0.028

Concourse (Standard : 2025Year 11Month 08Day 05Hour)

Passenger (3F) Indoor air quality measurement result table guide

Fine Particulate Matter(PM-10)	15	Ultra-Fine Particulate Matter(PM-2.5)	11
Carbon Dioxide(CO2)	548	Carbon Monoxide(CO)	0.8
Nitrogen Dioxide(NO2)	0.015

Terminal 2 (Standard : 2025Year 11Month 08Day 05Hour)

Concourse indoor air quality measurements Information Table

Fine Particulate Matter(PM-10)	19	Ultra-Fine Particulate Matter(PM-2.5)	13
Carbon Dioxide(CO2)	483	Carbon Monoxide(CO)	0.6
Nitrogen Dioxide(NO2)	0.031