Air Quality Lab — Chenghua, China
Air Quality Profile·
Chenghua reports an annual PM2.5 of 23.0 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Chenghua
China
ChinaAnnual Average
ModerateWHO annual classification
23.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3434 µg/m³ — Poor
2929 µg/m³ — Poor
2929 µg/m³ — Poor
2727 µg/m³ — Poor
1717 µg/m³ — Moderate
1212 µg/m³ — Fair
1515 µg/m³ — Fair
1414 µg/m³ — Fair
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
2828 µg/m³ — Poor
3232 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3434 µg/m³ — Poor
2929 µg/m³ — Poor
2929 µg/m³ — Poor
2727 µg/m³ — Poor
1717 µg/m³ — Moderate
1212 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1515 µg/m³ — Fair
1414 µg/m³ — Fair
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
2828 µg/m³ — Poor
3232 µg/m³ — Poor
Best months: Jun–AugWorst months: Jan–Feb, Dec
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across China
Chenghua: 23.0 µg/m³. Typical range in China: 23.2–36.8 µg/m³. Low anchor: Zhuhai, 19.9 µg/m³. High anchor: Hotan, 72.7 µg/m³.
1,839 cities tracked