Air quality by country
Air quality in Taiwan today
Updated
Moderate: average US AQI 69 across 18 cities Worst now: Kaohsiung (100); cleanest: Toufen (57).
Live US AQI, PM2.5 and ozone for cities across Taiwan, ranked from most polluted to cleanest.
- Average US AQI
- 69 Moderate
- Most polluted now
- Kaohsiung AQI 100
- Cleanest now
- Toufen AQI 57
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in Taiwan today
Right now the modelled air quality in Taiwan averages a US AQI of 69 (Moderate) across the 18 cities we track. By category: 18 Moderate (of 18).
That is close to the worldwide average of 66 across 3,556 cities.
Kaohsiung has the worst air at 100 with PM2.5 at 44 µg/m³, while Toufen is cleanest at 57. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
Taiwan cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Kaohsiung | Takao | 100 | Moderate | 44.2 | 1 |
| Tainan | Taiwan | 100 | Moderate | 44.2 | 1 |
| Fengshan | Takao | 100 | Moderate | 44.2 | 1 |
| Yongkang | Taiwan | 100 | Moderate | 44.2 | 1 |
| Taichung | Taiwan | 80 | Moderate | 26.1 | 2 |
| Taipei | Taiwan | 59 | Moderate | 20.6 | 75 |
| New Taipei City | Taipei | 59 | Moderate | 20.6 | 75 |
| Banqiao | Taipei | 59 | Moderate | 20.6 | 75 |
| Taoyuan | Taiwan | 59 | Moderate | 13.8 | 50 |
| Keelung | Taiwan | 59 | Moderate | 20.6 | 75 |
| Neihu | Taiwan | 59 | Moderate | 20.6 | 75 |
| Bade | Taiwan | 59 | Moderate | 13.8 | 50 |
| Shulin | Taipei | 59 | Moderate | 20.6 | 75 |
| Sanxia | Taipei | 59 | Moderate | 13.8 | 50 |
| Neili | Taiwan | 59 | Moderate | 13.8 | 50 |
| Hsinchu | Taiwan | 57 | Moderate | 16.8 | 78 |
| Zhubei | Taiwan | 57 | Moderate | 16.8 | 78 |
| Toufen | Taiwan | 57 | Moderate | 16.8 | 78 |
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).