Narrative:

After takeoff at approximately 1;000 ft; flight deck fumes of unknown origin. Flight attendants reported fumes in cabin as well. Declared emergency and returned to the departure airport. Taxied to gate and off loaded all passengers. Flight crew and flight attendants; all reported eye irritation; sore throats; [and] headaches. Flight crew used oxygen 100% per smoke/fume QRH procedure. QRH procedure accomplished and emergency landing at the departure airport.

Google
 

Original NASA ASRS Text

Title: An A320 crew detected fumes of unknown origin after takeoff; so the pilots donned oxygen masks; declared an emergency; completed the QRH and returned to the departure airport where the crew reported sore throats and burning eyes.

Narrative: After takeoff at approximately 1;000 FT; flight deck fumes of unknown origin. Flight attendants reported fumes in cabin as well. Declared emergency and returned to the departure airport. Taxied to gate and off loaded all passengers. Flight crew and flight attendants; all reported eye irritation; sore throats; [and] headaches. Flight crew used oxygen 100% per Smoke/Fume QRH procedure. QRH procedure accomplished and emergency landing at the departure airport.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.