What is the air quality in Siem Reap today?

The current Air Quality Index (AQI) in Siem Reap is 17 (Good). PM2.5 concentration is 4.05 µg/m³.

What is the temperature in Siem Reap right now?

The current temperature in Siem Reap is 26.4°C (feels like 26.4°C). Humidity is 79.8% and wind speed is 61.0 km/h.

Is it safe to go outside in Siem Reap?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Siem Reap, Cambodia

Windy

26.4°C · 79.8% humidity

26.4°

Feels 26.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

27 7am

17 10am

23 1pm

25 4pm

26 7pm

26 10pm

26 1am

26 4am

Station readings

CAMS model adj +2

Air Quality Index Trend

47h · 1 stn

View full history →

Siem Reap's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. The worst conditions typically occur from February to April during the regional burning season.

79.8%

Humidity

61.0 km/h

Wind WSW

1007.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.05 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Siem Reap?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.54.05 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

4.05

Median

4.05

Average

4.05

Low

4.05

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +1.8

What is the 7-day forecast for Siem Reap?

08-03

33.1° 24.2°

7.31 mm

08-04

31.3° 25.2°

2.75 mm

08-05

33.4° 26.0°

5.63 mm

08-06

32.9° 25.3°

3.5 mm

08-07

30.9° 24.8°

2.5 mm

08-08

28.3° 25.4°

2.31 mm

08-09

29.8° 25.8°

3.13 mm

Both models agree Avg diff: 1.8°C

Where are air quality stations near Siem Reap?

cambodia-siem-reap-street-20

0.3 km 31.0°C 70.0% RH PM2.5: 6.0 µg/m³

cambodia-siem-reap-canal-street

1.2 km PM2.5: 5.6 µg/m³ PM10: 5.3 µg/m³

What cities are near Siem Reap?

12 Yeang 22 Phum Ânlŭng Vĭl 27 Battambang 12 Phumĭ Tnaôt 28 Pursat 18 Samraong 35 Sisophon 12 Anlong Veaeng 36 Ou Bei Choan 12 Tbeng Meanchey

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:52 UTC.