Air Quality Index (AQI) in China 🇨🇳
Live Air Quality Index (AQI) and PM2.5 Levels in China
Currently, the Air Quality Index (AQI) in Pekín, the capital of China, is measured at a score of 139. According to the US EPA health standard, this air quality rating is categorized as Unhealthy (Sensitive). The current atmosphere in Pekín is influenced by a PM2.5 (fine particulate matter) concentration of 51.1 µg/m³ and PM10 levels recorded at 51.1 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 79.9 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across China based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Shanghai, Shenzhen, Guangzhou, Chengdu and Tianjin. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
China Air Quality: Major Cities Index
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Pollution Monitor & AQI Forecast: China Regions
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* Air Quality Index (AQI) data for China is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Browse Air Quality in China by cities in alphabetical order:
Frequently Asked Questions about Air Quality in China
What is the air quality in China right now?
The current AQI in Pekín (capital of China) is 139 — categorised as Unhealthy (Sensitive). Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in China has the worst air quality right now?
Right now, Xi’an has the highest AQI reading in China at 185 (Unhealthy).
Which city in China has the best air quality right now?
Harbin currently has the lowest AQI in China at 45 (Good).
What is the PM2.5 level in Pekín today?
Is the air in China safe to breathe today?
Roughly 30% of monitored cities in China show unhealthy air-quality readings — sensitive groups should take precautions.
What are the cleanest cities in China right now?
Top 5 cities in China with the best (lowest) AQI right now:
- Harbin: AQI 45 — Good
- Nanning: AQI 49 — Good
- Changchun: AQI 56 — Moderate
- Chongqing: AQI 58 — Moderate
- Shantou: AQI 59 — Moderate
What are the most polluted cities in China right now?
Top 5 cities in China with the worst (highest) AQI right now:
- Xi’an: AQI 185 — Unhealthy
- Hangzhou: AQI 181 — Unhealthy
- Wuxi: AQI 173 — Unhealthy
- Suzhou: AQI 156 — Unhealthy
- Nanjing: AQI 153 — Unhealthy
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide