Air Quality in Siem Reap, Cambodia
Drizzle
28.8°C · 70.0% humidity
28.8°
Feels 33.9°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Siem Reap's air quality — share it
AQI Forecast
Calibrated
25
6pm
20
25
21
9pm
23
23
23
12am
23
23
23
3am
23
23
25
6am
25
25
25
9am
25
25
23
12pm
23
23
23
3pm
23
23
Station readings
17
20
25
18
CAMS model
adj -2
27
27
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
25
25
25
25
25
25
Air Quality Index Trend
48h · 2 stnSiem 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. Current PM2.5 concentration in Siem Reap is 1.0× the WHO annual guideline of 5 µg/m³.
70.0%
Humidity
64.4 km/h
Wind W
1006.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.06 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Siem Reap?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.55.06 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
5.06
Median
5.47
Average
5.0
Low
5.93
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +2.0
What is the 7-day forecast for Siem Reap?
05-29
30.1° 26.2°
0.38 mm
05-30
36.2° 26.5°
0.13 mm
05-31
30.9° 25.9°
5.38 mm
06-01
28.7° 25.5°
5.25 mm
06-02
26.9° 26.4°
1.63 mm
06-03
25.9° 24.6°
8.44 mm
06-04
30.6° 24.5°
15.56 mm
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Siem Reap?
17
cambodia-siem-reap-street-20
27
cambodia-siem-reap-canal-street
–
Sala Kamreuk Village, Siem Reap
What cities are near Siem Reap?
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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 2026-05-29T14:39 UTC.