Air Quality in Ratchaburi, Thailand

Windy
26.2°C · 71.8% humidity
26.2°
Feels 26.2°
90
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
80 9pm
80
80
90 12am
87
85
84 3am
83
82
81 6am
74
72
71 9am
70
70
70 12pm
70
70
71 3pm
71
71
71 6pm
71
73
Station readings
54
CAMS model adj +46
34
34
34
34
34
34
34
34
34
34
27
25
25
24
24
24
24
24
25
25
25
25
25
27
AD 728×90

Air Quality Index Trend

11h · 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 2.1× the WHO 24-hour guideline of 15 µg/m³.

71.8%
Humidity
59.2 km/h
Wind WSW
1006.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
90
30.8 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ratchaburi?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.530.8 µg/m³ ×2.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
30.8
Median
23.05
Average
15.0
Low
31.1
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -23.8

What is the 7-day forecast for Ratchaburi?

07-21
28.4° 25.7°
5.31 mm
07-22
32.4° 26.5°
0.06 mm
07-23
27.5° 25.2°
2.06 mm
07-24
27.2° 25.2°
3.81 mm
07-25
31.1° 25.6°
0.75 mm
07-26
33.8° 25.6°
1.0 mm
07-27
31.5° 27.1°
0.69 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Ratchaburi?

21
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 5.0 µg/m³
61
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 16.9 µg/m³
55
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 14.0 µg/m³
101
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 35.5 µg/m³
89
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 30.2 µg/m³
57
สวนมะพร้าวน้ำหอม อะโรแมติก ฟาร์ม ต.แพงพวย อ.ดำเนินสะดวก จ.ราชบุรี
11.0 km 32.5°C 74.0% RH PM2.5: 15.0 µg/m³ PM10: 15.0 µg/m³
43
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 10.3 µg/m³
4
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 1.0 µg/m³

What cities are near Ratchaburi?

64 Damnoen Saduak 56 Photharam 53 Bang Phae 52 Ban I Chang 71 Samut Songkhram 31 Chom Bueng 23 Ban Pong 32 Ban Phaeo 29 Khao Yoi 40 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 2026-07-21T17:17 UTC.