Air Quality in Si Racha, Thailand
Heavy Rain
28.0°C · 74.2% humidity
28.0°
Feels 33.2°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations
Nearby Monitoring Stations
Si Racha's air quality — share it
AQI Forecast
Calibrated
74
4am
74
74
58
7am
63
66
69
10am
71
72
73
1pm
73
74
74
4pm
74
75
75
7pm
75
75
75
10pm
75
75
75
1am
75
74
Station readings
51
66
59
CAMS model
adj +50
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
Air Quality Index Trend
15h · 1 stnSi Racha'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 Si Racha is 1.0× the WHO 24-hour guideline of 15 µg/m³.
74.2%
Humidity
47.4 km/h
Wind SW
1007.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.58 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Si Racha?
Temperature & Precipitation
PM2.5 Trend
15h · 1 stationPM2.515.58 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (5 stations within 25 km)
15.58
Median
15.54
Average
13.1
Low
19.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -9.7
What is the 7-day forecast for Si Racha?
05-30
31.3° 26.3°
28.19 mm
05-31
27.8° 25.9°
4.5 mm
06-01
27.1° 25.8°
38.94 mm
06-02
27.1° 25.2°
21.19 mm
06-03
28.3° 25.9°
16.5 mm
06-04
28.2° 26.7°
15.44 mm
06-05
27.3° 25.8°
9.81 mm
Both models agree
Avg diff: 2.6°C
Where are air quality stations near Si Racha?
65
General Education Office, Chonburi, Thailand (สำนักงานสามัญศึกษาชลบุรี)
27
General Education Office, Chonburi, Thailand (สำนักงานสามัญศึกษาชลบุรี)
46
Health Promotion Hospital Ban Khao Hin,Chonburi, Thailand (โรงพยาบาลส่งเสริมสุขภาพตำบลบ้านเขาหิน ชลบุรี)
What cities are near Si Racha?
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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 2026-05-30T00:39 UTC.