Current air quality limit values for PM2_5 and PM10
| Country / Organisation (reference) | Limit values (mean) | |||
|---|---|---|---|---|
| PM2.5 | PM10 | |||
| Daily | Annual | Daily | Annual | |
| WHO (84) | 25 μg/m3 | 10 μg/m3 | 50 μg/m3 | 20 μg/m3 |
| US EPA (6) | 35 μg/m3 | 12 μg/m3 | 150 μg/m3 | - |
| EU (85) | - | 25 μg/m3 | 50 μg/m3 | 40 μg/m3 |
| Turkey (86) | - | - | 50 μg/m3 | 40 μg/m3 |