Air Quality Lab — Xi’an, China
Air Quality Profile·
Xi’an reports an annual PM2.5 of 51.6 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Xi’an
China
ChinaAnnual Average
Very UnhealthyWHO annual classification
51.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
114114 µg/m³ — Hazardous
7575 µg/m³ — Hazardous
6161 µg/m³ — Very Unhealthy
3939 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2929 µg/m³ — Poor
2929 µg/m³ — Poor
2828 µg/m³ — Poor
3333 µg/m³ — Poor
4343 µg/m³ — Unhealthy
6363 µg/m³ — Very Unhealthy
7070 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
114114 µg/m³ — Hazardous
7575 µg/m³ — Hazardous
6161 µg/m³ — Very Unhealthy
3939 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2929 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2929 µg/m³ — Poor
2828 µg/m³ — Poor
3333 µg/m³ — Poor
4343 µg/m³ — Unhealthy
6363 µg/m³ — Very Unhealthy
7070 µg/m³ — Very Unhealthy
Best months: Jun–AugWorst months: Jan–Feb, Dec
Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³Hazardous>75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across China
Xi’an: 51.6 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