Background
Recently, Cambodia, particularly Phnom Penh, has experienced fluctuations in air quality caused by climatic variability and natural atmospheric changes. These have influenced atmospheric pressure and temperature, thereby affecting air pollution levels. Fine particulate matter PM2.5 concentrations, a major health risk indicator, have shown variations linked to human activities and weather conditions. Despite this, current monitoring shows PM2.5 levels remain within safe standards.
Scope of Application
The information pertains primarily to the monitoring of urban air quality in Phnom Penh and surrounding areas, with specific reference to data collected from 59 fixed air monitoring stations, one meteorological station, and three mobile monitoring vehicles across Cambodia.
Key Provisions or Decisions
The Ministry of Environment conducts active air quality monitoring and publicly communicates findings to alert and guide the public on necessary health precautions when air pollution fluctuates. It identifies key pollution sources, including vehicle emissions, industrial activities, open burning of agricultural waste, forest fires, garbage incineration, and plastic waste burning. The Ministry urges the adoption of preventive measures to reduce pollution, including cessation of harmful burning activities.
Implications for Investors, Businesses, or Compliance
While no emergency thresholds have been exceeded, the update signals the importance of compliance for businesses and communities with pollution prevention guidelines. Stakeholders are encouraged to minimize emissions and participate in pollution control efforts to support overall air quality management.
Official Source
Information sourced from the Ministry of Environment public statement posted on 12 February 2026: https://www.facebook.com/MinistryOfEnvironmentCambodia/posts/pfbid02Jyac9yo3E8GqM8MAjAGpkKPjgSEpBATeCgkThdGGY763MsiDVtzZ8MxjabUed27Ul
