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
clear sky
Latest PM2.5
14.00
PM10
24.00
clear sky
34.89°C (Feels like 41.61°C)
Humidity 53% / Wind 5.35 m/s
Nonthaburi
few clouds
Latest PM2.5
17.00
PM10
26.00
few clouds
34.64°C (Feels like 40.59°C)
Humidity 52% / Wind 2.06 m/s
Pak Kret
few clouds
Latest PM2.5
17.00
PM10
26.00
few clouds
34.21°C (Feels like 39.57°C)
Humidity 52% / Wind 2.06 m/s
Pathum Thani
few clouds
Latest PM2.5
20.00
PM10
29.00
few clouds
33.98°C (Feels like 36.20°C)
Humidity 43% / Wind 2.06 m/s
Rangsit
few clouds
Latest PM2.5
18.00
PM10
30.00
few clouds
34.09°C (Feels like 40.41°C)
Humidity 55% / Wind 2.06 m/s
Samut Prakan
few clouds
Latest PM2.5
13.00
PM10
23.00
few clouds
31.12°C (Feels like 37.92°C)
Humidity 70% / Wind 2.57 m/s
Phra Pradaeng
clear sky
Latest PM2.5
14.00
PM10
24.00
clear sky
31.16°C (Feels like 38.03°C)
Humidity 70% / Wind 1.79 m/s
Bang Phli
few clouds
Latest PM2.5
14.00
PM10
27.00
few clouds
31.99°C (Feels like 35.62°C)
Humidity 55% / Wind 2.57 m/s
Samut Sakhon
clear sky
Latest PM2.5
13.00
PM10
21.00
clear sky
32.25°C (Feels like 37.67°C)
Humidity 60% / Wind 5.93 m/s
Nakhon Pathom
clear sky
Latest PM2.5
18.00
PM10
24.00
clear sky
33.06°C (Feels like 35.85°C)
Humidity 48% / Wind 4.96 m/s
Chachoengsao
few clouds
Latest PM2.5
14.00
PM10
28.00
few clouds
34.42°C (Feels like 40.84°C)
Humidity 54% / Wind 4.41 m/s
Ayutthaya
clear sky
Latest PM2.5
24.00
PM10
31.00
clear sky
34.99°C (Feels like 41.99°C)
Humidity 56% / Wind 3.85 m/s
Chon Buri
few clouds
Latest PM2.5
13.00
PM10
27.00
few clouds
31.99°C (Feels like 38.99°C)
Humidity 80% / Wind 4.73 m/s
Chiang Mai
clear sky
Latest PM2.5
51.00
PM10
55.00
clear sky
33.07°C (Feels like 33.89°C)
Humidity 40% / Wind 1.15 m/s
Phuket
few clouds
Latest PM2.5
17.00
PM10
28.00
few clouds
31.67°C (Feels like 38.67°C)
Humidity 81% / Wind 4.76 m/s
Pattaya
scattered clouds
Latest PM2.5
12.00
PM10
26.00
scattered clouds
27.33°C (Feels like 28.43°C)
Humidity 59% / Wind 4.99 m/s
Rayong
clear sky
Latest PM2.5
13.00
PM10
25.00
clear sky
31.66°C (Feels like 38.66°C)
Humidity 70% / Wind 4.65 m/s
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