Air Quality Rated “Very Good” Across Cambodia’s Capital and Provinces
Monitoring from 7 a.m. September 19 to 7 a.m. September 20, 2026, recorded an average particulate concentration of 4.64 µg/m³ and “very good” air quality.
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Notice on Air Quality Conditions in Cambodia
The Ministry of Environment informs the public of air quality conditions in the Kingdom of Cambodia from 7:00 a.m. on September 19 to 7:00 a.m. on September 20, 2026.
Monitoring found an average particulate concentration of just 4.64 µg/m³, well below the specified standard of 50 µg/m³. The Air Quality Index (AQI) was rated “very good”.
The capital and provinces listed as having “very good” air quality, indicated in blue, are: Phnom Penh; central and lowland areas: Kandal, Kampong Speu, Kampong Chhnang, Kampong Thom, Prey Veng and Svay Rieng;
Northwestern areas: Battambang, Siem Reap, Banteay Meanchey, Pailin, Pursat and Oddar Meanchey;
Coastal areas: Preah Sihanouk, Kampot, Kep and Koh Kong;
Northeastern and mountainous areas: Kratie, Stung Treng, Preah Vihear, Ratanakiri and Mondulkiri.
By: Pai Sokhim
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