AQI Level Health implications Advice
0–50 Good Air quality is satisfactory; little or no risk. None.
51–100 Moderate Acceptable; some pollutants may be a concern for a small number of sensitive people. Sensitive people: limit prolonged outdoor exertion.
101–150 Unhealthy for Sensitive Groups Sensitive groups may experience health effects; general public less likely. Sensitive people: reduce prolonged/heavy outdoor exertion.
151–200 Unhealthy Some people may experience health effects; sensitive groups may have more serious effects. Reduce prolonged/heavy outdoor exertion; sensitive people should avoid it.
201–300 Very Unhealthy Health alert: increased risk for everyone. Avoid prolonged/heavy outdoor exertion; sensitive people stay indoors if possible.
301+ Hazardous Health warning: emergency conditions; everyone is more likely affected. Avoid outdoor activity as much as possible.
US AQI (United States Air Quality Index) is an air quality index defined by the U.S. Environmental Protection Agency (EPA). The index ranges from 0 to 500, and higher values indicate greater potential health impacts. It is based on major air pollutants such as PM2.5, PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂), and carbon monoxide (CO), and is widely used by many websites worldwide, including AQICN (World Air Quality Index).

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Bangkok
light rain
Latest PM2.5
13.00
PM10
14.00
light rain
26.56°C (Feels like 26.56°C)
Humidity 89% / Wind 2.43 m/s
Nonthaburi
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
27.22°C (Feels like 31.25°C)
Humidity 89% / Wind 0.51 m/s
Pak Kret
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
25.97°C (Feels like 25.97°C)
Humidity 94% / Wind 0.51 m/s
Pathum Thani
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
25.99°C (Feels like 25.99°C)
Humidity 94% / Wind 0.51 m/s
Rangsit
light rain
Latest PM2.5
12.00
PM10
14.00
light rain
25.98°C (Feels like 25.98°C)
Humidity 94% / Wind 0.51 m/s
Samut Prakan
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
27.00°C (Feels like 31.84°C)
Humidity 100% / Wind 3.09 m/s
Phra Pradaeng
overcast clouds
Latest PM2.5
13.00
PM10
14.00
overcast clouds
26.73°C (Feels like 29.89°C)
Humidity 89% / Wind 3.26 m/s
Bang Phli
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
26.99°C (Feels like 31.80°C)
Humidity 100% / Wind 3.09 m/s
Samut Sakhon
overcast clouds
Latest PM2.5
13.00
PM10
14.00
overcast clouds
27.15°C (Feels like 30.83°C)
Humidity 87% / Wind 3.07 m/s
Nakhon Pathom
light rain
Latest PM2.5
13.00
PM10
15.00
light rain
26.78°C (Feels like 29.94°C)
Humidity 88% / Wind 2.31 m/s
Chachoengsao
light rain
Latest PM2.5
12.00
PM10
14.00
light rain
27.41°C (Feels like 32.07°C)
Humidity 91% / Wind 1.05 m/s
Ayutthaya
light rain
Latest PM2.5
14.00
PM10
16.00
light rain
26.98°C (Feels like 30.68°C)
Humidity 90% / Wind 2.32 m/s
Chon Buri
light rain
Latest PM2.5
14.00
PM10
16.00
light rain
26.97°C (Feels like 31.62°C)
Humidity 99% / Wind 2.16 m/s
Chiang Mai
broken clouds
Latest PM2.5
13.00
PM10
14.00
broken clouds
25.89°C (Feels like 26.75°C)
Humidity 85% / Wind 1.03 m/s
Phuket
broken clouds
Latest PM2.5
2.00
PM10
5.00
broken clouds
27.07°C (Feels like 30.94°C)
Humidity 90% / Wind 3.16 m/s
Pattaya
moderate rain
Latest PM2.5
12.00
PM10
14.00
moderate rain
26.49°C (Feels like 26.49°C)
Humidity 83% / Wind 2.17 m/s
Rayong
light rain
Latest PM2.5
11.00
PM10
12.00
light rain
29.19°C (Feels like 36.19°C)
Humidity 90% / Wind 1.12 m/s
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