Air Quality in Rayong Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Rayong
Pollution and air quality forecast for Rayong. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Rayong:
  1. particulate matter (PM2.5) dust - 2 (Good)
  2. particulate matter (PM10) suspended dust - 3 (Good)
  3. ozone (O3) - 43 (Good)
  4. nitrogen dioxide (NO2) - 4 (Good)
  5. sulfur dioxide (SO2) - 2 (Good)
  6. carbon monoxide (CO) - 95 (Good)
Real-time Air Quality Index (AQI) for Rayong, Thursday, August 27, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Rayong today? Is the air polluted in Rayong?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Rayong.


What is the current level of PM2.5 in Rayong? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 2 (Good) For comparison, the highest level of PM2.5 in Rayong in the last 7 days was: 6 (Tuesday, August 25, 2026) and the lowest: 2 (Thursday, August 20, 2026).

What is the level of PM10 today in Rayong? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Rayong is: 3 (Good)

How is the O3 level today in Rayong? (ozone (O3))
43 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
4 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)

How high is the CO level? (carbon monoxide (CO))
95 (Good)



Current data Thursday, August 27, 2026 at 8:00 AM

PM2,5 2 (Good)

PM10 3 (Good)

O3 43 (Good)

NO2 4 (Good)

SO2 2 (Good)

CO 95 (Good)

Data on air pollution from recent days in Rayong

index 2026-08-27 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20
pm25 3
Good
4
Good
6
Good
4
Good
6
Good
5
Good
6
Good
2
Good
pm10 4
Good
6
Good
9
Good
5
Good
8
Good
6
Good
9
Good
3
Good
o3 47
Good
42
Good
40
Good
38
Good
42
Good
46
Good
46
Good
44
Good
no2 3
Good
3
Good
4
Good
3
Good
4
Good
4
Good
5
Good
5
Good
so2 2
Good
2
Good
2
Good
2
Good
2
Good
2
Good
2
Good
2
Good
co 95
Good
97
Good
100
Good
95
Good
100
Good
103
Good
99
Good
101
Good
data source »

Rayong

Thursday, August 27, 2026 at 8:00 AM

PM2,5 2.4 (Good)

particulate matter (PM2.5) dust

PM10 3.3 (Good)

particulate matter (PM10) suspended dust

O3 43 (Good)

ozone (O3)

NO2 3.6 (Good)

nitrogen dioxide (NO2)

SO2 2.1 (Good)

sulfur dioxide (SO2)

CO 95 (Good)

carbon monoxide (CO)

Rayong

index 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26 2026-08-27
pm25 2.4 5.9 4.5 5.7 3.5 6.2 4.1 2.6
pm10 3.1 8.6 6.2 7.7 5.1 9.3 5.9 3.5
o3 44 46 46 42 38 40 42 47
no2 4.6 4.8 4.4 4.1 3.4 3.9 3.4 3.4
so2 2.2 2.2 2 1.8 1.8 2 1.9 1.7
co 101 99 103 100 95 100 97 95

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Thailand

🌦️ WEATHER · 16-DAY FORECASTThailand🌧️30°RainToday · ↑30° ↓27°💨 6 km/h · 💧 75%Tue25.08🌧️30°27°Wed26.08🌧️33°27°Thu27.08🌧️32°26°Fri28.08🌧️30°23°Sat29.08🌧️28°23°Sun30.08🌧️25°23°Mon31.08🌧️24°22°Tue1.09🌧️23°22°Wed2.09🌧️27°23°Thu3.09🌧️29°23°Fri4.09🌧️27°23°Sat5.09🌧️29°23°Sun6.09🌧️30°24°Mon7.09🌧️31°25°Tue8.09🌧️31°24°Wed9.09🌧️29°24°pollution-alert.com · August 27, 2026

16-day weather forecast for Thailand: today around 30°C (rain), lows near 27°C. Daily temperature and conditions, updated every day. Strong wind (about 21 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Thailand

☀️ UV INDEX · 16-DAY FORECASTThailand03681111+8.1UV VERY HIGHtoday, day maxSPF 50, long sleeves and shade between 10:00-16:00.⏱ Unprotected fair skin can burn in about 25 min8Wed26.088Thu27.086Fri28.083Sat29.082Sun30.081Mon31.081Tue1.093Wed2.096Thu3.095Fri4.093Sat5.098Sun6.098Mon7.099Tue8.097Wed9.097Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Thailand today is 8.1 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Rayong — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Rayong today?
The current average PM2.5 across Rayong is about 2 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Rayong?
Right now PM2.5 in Rayong averages about 2 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Rayong?
Over the past week, the highest daily PM2.5 in Rayong was recorded on Tuesday, August 25 (about 6 µg/m³).
What is the UV index in Rayong today?
The UV index in Rayong today is 8.1 (very high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Rayong?
Strong wind (about 21 km/h) is actively clearing smog and dust away.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.