Air Quality Lab — Hwaseong-si, South Korea
Air Quality Profile·
Hwaseong-si reports an annual PM2.5 of 25.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Hwaseong-si
South Korea
South KoreaAnnual Average
PoorWHO annual classification
25.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3030 µg/m³ — Poor
3131 µg/m³ — Poor
2828 µg/m³ — Poor
3030 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
1919 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Poor
2525 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
3030 µg/m³ — Poor
3131 µg/m³ — Poor
2828 µg/m³ — Poor
3030 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
1919 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Poor
2525 µg/m³ — Moderate
Best months: Aug–OctWorst months: Jan–Feb, Apr
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across South Korea
Hwaseong-si: 25.5 µg/m³. Typical range in South Korea: 18.7–23.0 µg/m³. Low anchor: Seogwipo, 14.0 µg/m³. High anchor: Seoul, 26.6 µg/m³.
108 cities tracked