Air Quality in Ratchaburi, Thailand

Partly Cloudy
27.4°C · 69.9% humidity
27.4°
Feels 31.8°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
87 6am
70
58
64 9am
42
34
33 12pm
33
32
32 3pm
32
29
29 6pm
31
58
58 9pm
58
58
58 12am
58
70
87 3am
87
87
Station readings
75
86
CAMS model adj +4
83
66
54
54
34
27
27
27
27
27
27
25
25
27
54
54
54
54
54
54
66
83
83
83
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 1.2× the WHO 24-hour guideline of 15 µg/m³.

69.9%
Humidity
20.8 km/h
Wind WSW
1007.4 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.54 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ratchaburi?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.518.54 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
18.54
Median
18.2
Average
16.4
Low
20.7
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -8.8

What is the 7-day forecast for Ratchaburi?

05-30
31.6° 25.3°
4.69 mm
05-31
27.9° 24.5°
2.25 mm
06-01
28.4° 26.5°
5.81 mm
06-02
28.2° 26.0°
5.5 mm
06-03
29.5° 25.8°
4.69 mm
06-04
27.9° 26.8°
3.44 mm
06-05
28.6° 26.1°
1.81 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Ratchaburi?

59
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 15.9 µg/m³
95
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 33.0 µg/m³
38
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 9.1 µg/m³
85
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 28.3 µg/m³
19
Regional Environmental Office 8, Thailand (สำนักงานสิ่งแวดล้อมภาคที่ 8 ราชบุรี)
1.5 km PM2.5: 4.6 µg/m³
61
สวนมะพร้าวน้ำหอม อะโรแมติก ฟาร์ม ต.แพงพวย อ.ดำเนินสะดวก จ.ราชบุรี
11.0 km 31.5°C 79.7% RH PM2.5: 17.0 µg/m³ PM10: 17.0 µg/m³
53
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 13.1 µg/m³
76
Lat Yai,Mueang,Samut Songkhram, Thailand (ต.ลาดใหญ่ อ.เมือง จ.สมุทรสงคราม)
25.5 km PM2.5: 24.0 µg/m³

What cities are near Ratchaburi?

67 Damnoen Saduak 54 Photharam 54 Bang Phae 52 Ban I Chang 85 Samut Songkhram 39 Chom Bueng 17 Ban Pong 70 Ban Phaeo 38 Khao Yoi 42 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 2026-05-30T02:29 UTC.