Data Kualitas Udara disediakan oleh: the British Columbia, Canada Air Quality Monitoring Agency (www2.gov.bc.ca)
Perhatikan bahwa pengukuran PM 2.5 (partikel halus) diambil dari stasiun: Crofton Substation and the measurements for SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Tsawwassen