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| PM10 (µg/m3) | PM2.5 (µg/m3) | |||
|---|---|---|---|---|
| Daily average | Annual average | Daily average | Annual average | |
| WHO | 50 | 20 | 25 | 10 |
| Republic of Korea | 100 | 50 | 35 | 15 |
PM10: PM with diameter <10 µm; PM2.5: PM with diameter <2.5 µm; WHO: World Health Organization.
