Phnom Penh & Siem Reap air quality

The latest PM2.5 and air quality index (AQI) from monitors in Phnom Penh and Siem Reap, updated every hour.

• Is the air safe right now, and what should you do
• The cleanest hours for a run along the riverside
• How bad the dry season (November–April) gets, by month and by day
• A map of air quality across Cambodia

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