Ya'an air quality · Sichuan, China · 雅安市
Healthy air supports better stamina during outdoor workouts
China AQI 50 (Excellent) in Ya'an, from 3 CNEMC monitoring stations. On the US scale that is 78 (Moderate). Main pollutant: PM10.
Updated
Pollutants in Ya'an
- PM2.5 · µg/m³23.71.6× WHO limit
- PM10 · µg/m³49.7Under WHO limit
- NO₂ · µg/m³18.0Under WHO limit
- O₃ · µg/m³36.7
- SO₂ · µg/m³6.3Under WHO limit
- CO · mg/m³0.60
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Ya'an right now?
Air quality is satisfactory, with essentially no air pollution.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current China AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 51–100 means for your health →
Ya'an air quality history
Daily average, 35 days- 26average daily China AQI over 35 days
- 57worst day, 14 October
- 11cleanest day, 20 September
- 0days at Moderately Polluted or worse
The last 7 days averaged 32, about the same as the week before (32). 34 of the last 35 days were Excellent.
Nearby cities
China rankingYa'an air quality: common questions
What is the AQI in Ya'an right now?
The China AQI in Ya'an is 50 (Excellent), based on 3 monitoring stations. The main pollutant is PM10. On the US AQI scale the same air reads 78 (Moderate).
Is it safe to go outside in Ya'an today?
A great time to be outside. Air quality is satisfactory, with essentially no air pollution. For runners: A great time to run outdoors.
How has air quality in Ya'an been recently?
Over the last 35 days with data, Ya'an averaged China AQI 26. The worst day was 14 October at 57; the cleanest was 20 September at 11. 0 days were at Moderately Polluted or worse.
How does Ya'an's PM2.5 compare with the WHO guideline?
PM2.5 is 24 µg/m³, about 1.6 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Ya'an's air quality data come from?
From China National Environmental Monitoring Centre (CNEMC), using 3 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: China National Environmental Monitoring Centre (CNEMC). Readings are published by the monitoring agency and may be revised.