Smog in Cambodia Today — Live Data: City AQI, PM2.5 & PM10, Weather Warnings and Forecast

Locations

Phnom Penh

5.6 PM2.5 µg/m³

Good

PM10 7.2 NO₂ 2.6 O₃ 47

Kampong Saom

7.3 PM2.5 µg/m³

Good

PM10 11 NO₂ 1.6 O₃ 42

Battambang

3.3 PM2.5 µg/m³

Good

PM10 4.4 NO₂ 2 O₃ 44

Siem Reap

1.8 PM2.5 µg/m³

Good

PM10 2.4 NO₂ 1.5 O₃ 46

Current data Thursday, August 27, 2026 at 8:00 AM

PM2,5 5 (Good)

PM10 6 (Good)

O3 45 (Good)

NO2 2 (Good)

SO2 1 (Good)

CO 139 (Good)

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
PM2,5	5 Good	7 Good	6 Good	5 Good	7 Good	5 Good	6 Good	4 Good
PM10	7 Good	10 Good	9 Good	8 Good	10 Good	7 Good	9 Good	5 Good
O3	50 Good	46 Good	45 Good	47 Good	57 Good	51 Good	50 Good	49 Good
NO2	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good
SO2	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good
CO	130 Good	128 Good	127 Good	123 Good	141 Good	144 Good	128 Good	129 Good

data source »

Quality of life in Cambodia

Green and Parks in the City

Cambodia 36%

Vietnam: 42% Thailand: 42% laoPDR: 37% Malaysia: 54% Singapore: 80%

Pleasure of spending time in the city

Cambodia 32%

Vietnam: 30% Thailand: 37% laoPDR: 38% Malaysia: 48% Singapore: 74%

Air Pollution

Cambodia 68%

Vietnam: 78% Thailand: 71% laoPDR: 72% Malaysia: 53% Singapore: 34%

Garbage Disposal

Cambodia 25%

Vietnam: 24% Thailand: 41% laoPDR: 20% Malaysia: 47% Singapore: 76%

Availability and quality of drinking water

Cambodia 48%

Vietnam: 43% Thailand: 49% laoPDR: 51% Malaysia: 56% Singapore: 85%

Cleanliness and tidiness

Cambodia 25%

Vietnam: 29% Thailand: 38% laoPDR: 32% Malaysia: 47% Singapore: 81%

Noise and Light pollution

Cambodia 59%

Vietnam: 65% Thailand: 57% laoPDR: 55% Malaysia: 49% Singapore: 50%

Water Pollution

Cambodia 73%

Vietnam: 73% Thailand: 69% laoPDR: 73% Malaysia: 62% Singapore: 25%

Source: Numbeo

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in Cambodia today?

The current average PM2.5 across Cambodia is about 5 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Cambodia?

Right now PM2.5 in Cambodia averages about 5 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in Cambodia have the best and worst air quality now?

Kampong Saom currently has the highest PM2.5 (7 µg/m³), while Siem Reap has the cleanest air (2 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — Cambodia

The UV index in Cambodia today is 7.5 (high) — unprotected fair skin can burn in about 25 minutes.

🌦️ Weather · 16-day Forecast — Cambodia

16-day weather forecast for Cambodia: today around 35°C (cloudy), lows near 25°C. Daily temperature and conditions, updated every day.