Air quality by country
Air quality in Thailand today
Updated
Moderate: average US AQI 55 across 24 cities Worst now: Bangkok (56); cleanest: Laem Chabang (49).
Live US AQI, PM2.5 and ozone for cities across Thailand, ranked from most polluted to cleanest.
- Average US AQI
- 55 Moderate
- Most polluted now
- Bangkok AQI 56
- Cleanest now
- Laem Chabang AQI 49
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in Thailand today
Right now the modelled air quality in Thailand averages a US AQI of 55 (Moderate) across the 24 cities we track. By category: 2 Good, 22 Moderate (of 24).
That is 10 points better than the worldwide average of 65 across 3,909 cities.
Bangkok has the worst air at 56 with PM2.5 at 12 µg/m³, while Laem Chabang is cleanest at 49. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
Thailand cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Bangkok | Bangkok | 56 | Moderate | 12.4 | 53 |
| Samut Prakan | Samut Prakan | 56 | Moderate | 12.4 | 53 |
| Mueang Nonthaburi | Nonthaburi | 56 | Moderate | 12.4 | 53 |
| Phra Pradaeng | Samut Prakan | 56 | Moderate | 12.4 | 53 |
| Bang Khae | Bangkok | 56 | Moderate | 12.4 | 53 |
| Watthana | Bangkok | 56 | Moderate | 12.4 | 53 |
| Bang Khun Thian | Bangkok | 56 | Moderate | 12.4 | 53 |
| Chatuchak | Bangkok | 56 | Moderate | 12.4 | 53 |
| Chom Thong | Bangkok | 56 | Moderate | 12.4 | 53 |
| Din Daeng | Bangkok | 56 | Moderate | 12.4 | 53 |
| Bang Sue | Bangkok | 56 | Moderate | 12.4 | 53 |
| Ban Samae Dam | Bangkok | 56 | Moderate | 12.4 | 53 |
| Lat Phrao | Bangkok | 56 | Moderate | 12.4 | 53 |
| Phasi Charoen | Bangkok | 56 | Moderate | 12.4 | 53 |
| Thon Buri | Bangkok | 56 | Moderate | 12.4 | 53 |
| Bangkok Noi | Bangkok | 56 | Moderate | 12.4 | 53 |
| Thung Khru | Bangkok | 56 | Moderate | 12.4 | 53 |
| Wang Thonglang | Bangkok | 56 | Moderate | 12.4 | 53 |
| Khlong Toei | Bangkok | 56 | Moderate | 12.4 | 53 |
| Dusit | Bangkok | 56 | Moderate | 12.4 | 53 |
| Taling Chan | Bangkok | 56 | Moderate | 12.4 | 53 |
| Bang Bon | Bangkok | 56 | Moderate | 12.4 | 53 |
| Pattaya | Chon Buri | 49 | Good | 7 | 71 |
| Laem Chabang | Chon Buri | 49 | Good | 7 | 71 |
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.
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Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).