WIZZ AIR RETAINS EUROPE’S TOP POSITION FOR EMISSIONS INTENSITY IN 2025
Wizz Air has been ranked first in Europe and second globally for emissions efficiency in Cirium's 2025 EmeraldSky Annual Review. The airline achieved 52.9 g CO₂ per available seat kilometre (ASK) globally and 53.1 g CO₂ per ASK in Europe.
Wizz Air has been ranked first in Europe and second globally for emissions efficiency in Cirium's 2025 EmeraldSky Annual Review. The review assesses the world's 100 largest scheduled passenger airlines based on CO₂ per available seat kilometre (ASK). Wizz Air achieved 52.9 g CO₂ per ASK globally and 53.1 g CO₂ per ASK in Europe. The airline's efficiency-focused operating model and young fleet, with an average aircraft age of 4.7 years, contributed to its performance. Wizz Air's fleet largely consists of next-generation Airbus A321neo aircraft, which consume less fuel per seat than previous-generation aircraft. The airline is working to reduce emissions further through investments in sustainable aviation fuel and partnerships with companies on circular materials and lightweight cabin solutions.
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