Air Quality in Ratchaburi, Thailand

Heavy Rain
26.4°C · 79.9% humidity
26.4°
Feels 26.4°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
40 1am
33
33
60 4am
52
47
50 7am
38
36
35 10am
33
32
31 1pm
31
31
31 4pm
31
31
33 7pm
33
33
33 10pm
33
33
Station readings
55
59
61
CAMS model adj +6
34
27
27
27
27
27
34
25
25
25
24
24
24
24
24
25
25
25
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

16h · 1 stn

Ratchaburi'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 Ratchaburi is 1.1× the WHO 24-hour guideline of 15 µg/m³.

79.9%
Humidity
47.8 km/h
Wind SW
1005.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.4 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ratchaburi?

Temperature & Precipitation

PM2.5 Trend

16h · 1 station
PM2.516.4 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
16.4
Median
16.4
Average
15.9
Low
16.9
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -10.2

What is the 7-day forecast for Ratchaburi?

06-08
26.9° 24.4°
5.5 mm
06-09
31.5° 26.3°
12.19 mm
06-10
33.3° 25.0°
1.81 mm
06-11
33.4° 27.7°
06-12
29.8° 27.7°
0.69 mm
06-13
27.8° 26.1°
0.94 mm
06-14
29.0° 27.5°
0.88 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Ratchaburi?

34
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 8.2 µg/m³
19
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 4.6 µg/m³
43
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 10.3 µg/m³
29
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 7.0 µg/m³
25
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 6.0 µg/m³
33
สวนมะพร้าวน้ำหอม อะโรแมติก ฟาร์ม ต.แพงพวย อ.ดำเนินสะดวก จ.ราชบุรี
11.0 km 32.2°C 84.5% RH PM2.5: 8.0 µg/m³ PM10: 8.0 µg/m³
9
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 2.2 µg/m³
32
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 7.7 µg/m³

What cities are near Ratchaburi?

54 Damnoen Saduak 45 Photharam 44 Bang Phae 40 Ban I Chang 49 Samut Songkhram 33 Chom Bueng 19 Ban Pong 59 Ban Phaeo 33 Khao Yoi 41 Nakhon Pathom
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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 2026-06-08T21:57 UTC.