Lufthansa flight LH-444 had to return and make an emergency landing in Frankfurt, Germany, on September 19th.
The Airbus A340-600 plane took off for Atlanta, Georgia, but had to turn back after several passengers began experiencing nausea and dizziness due to fumes on board.
The plane landed back safely.
Jetstar Airways flight JQ-967 made an emergency landing in Coolangatta, Queensland, Australia, on December 20th.
The A320-200 plane flying from Cairns, Queensland, Australia, was on approach to Coolangatta when fumes were noticed on-board, and all six crew members complained of dizziness, light-headedness, and nausea.
The plane continued for a safe landing. The crew members were taken to hospitals.
There were no passengers aboard the flight.
Lufthansa flight LH-2286 had to make an emergency landing in Brussels, Belgium, on February 7th.
The Airbus A319-100 plane was flying from Munich, Germany, when the crew reported a strong oil smell on-board which caused headache, eye irritations, and dizziness.
The plane continued for a safe landing. The entire crew was taken to hospital.
Thai Lion Air flight SL-539 had to divert and make an emergency landing at Chiang Mai International Airport, Chiang Mai, Thailand, on April 10th.
The Boeing 737-900, flying from Chiang Rai to Bangkok, Thailand, was mid-air when the crew reported loss of cabin pressure, prompting the plane to divert.
The plane landed uneventfully.
Two passengers onboard experienced dizziness, whereas the rest remained unharmed.