Atmosphere Chemistry and Climate Change Network (AC3) Station: Mace Head (MHD) Coordinates: 53° 19' N, 9° 54' W Measurement Height: 4m Site Type: rural background Instrumentation: Magee Scientific Aethalometer (AE33) PM range: PM10 Units: concentration in micrograms per cubic meter (µg m-3) Compounds: Black Carbon Time: UTC