Air Quality in Siem Reap, Cambodia

Rain
27.5°C · 81.0% humidity
27.5°
Feels 33.2°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
51 6pm
51
51
47 9pm
51
51
51 12am
51
51
51 3am
50
50
50 6am
50
50
50 9am
50
50
50 12pm
50
50
50 3pm
50
50
Station readings
51
51
CAMS model adj +26
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

46h · 1 stn

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.

81.0%
Humidity
62.7 km/h
Wind WSW
1007.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
47
11.33 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.511.33 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
11.33
Median
11.33
Average
11.33
Low
11.33
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -5.4
09-05
28.4° 25.2°
9.81 mm
09-06
26.4° 24.5°
2.56 mm
09-07
31.3° 24.4°
2.5 mm
09-08
28.6° 25.7°
3.0 mm
09-09
28.2° 24.6°
8.25 mm
09-10
31.6° 26.0°
0.88 mm
09-11
29.6° 24.3°
1.38 mm
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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 2026-09-05T14:04 UTC.