What is the air quality in Siem Reap today?

The current Air Quality Index (AQI) in Siem Reap is 38 (Good). PM2.5 concentration is 9.2 µg/m³.

What is the temperature in Siem Reap right now?

The current temperature in Siem Reap is 25.1°C (feels like 25.1°C). Humidity is 91.1% and wind speed is 15.9 km/h.

Is it safe to go outside in Siem Reap?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Siem Reap, Cambodia

Rain

25.1°C · 91.1% humidity

25.1°

Feels 25.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 2 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.

91.1%

Humidity

15.9 km/h

Wind NE

1011.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Siem Reap?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.59.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

9.2

Median

24.1

Average

7.0

Low

41.19

High

PM2.5 µg/m³ · Model: 6.5 · Bias: -2.7

What is the 7-day forecast for Siem Reap?

10-20

27.8° 25.4°

8.56 mm

10-21

30.2° 25.1°

3.88 mm

10-22

28.3° 26.3°

5.06 mm

10-23

32.1° 26.8°

7.0 mm

10-24

30.1° 22.8°

30.5 mm

10-25

29.6° 25.9°

0.94 mm

10-26

28.6° 25.1°

1.87 mm

Both models agree Avg diff: 1.3°C

Where are air quality stations near Siem Reap?

cambodia-siem-reap-street-20

0.3 km 31.0°C 67.0% RH PM2.5: 6.0 µg/m³

cambodia-siem-reap-canal-street

1.2 km PM2.5: 4.2 µg/m³ PM10: 4.0 µg/m³

What cities are near Siem Reap?

41 Yeang 62 Phum Ânlŭng Vĭl 51 Battambang 51 Phumĭ Tnaôt 74 Pursat 26 Samraong 62 Sisophon 20 Anlong Veaeng 27 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 2026-10-20T23:42 UTC.