Hengyang air quality · Hunan, China · 衡阳市
Most people won't notice any effects at this level
China AQI 59 (Good) in Hengyang, from 6 CNEMC monitoring stations. On the US scale that is 110 (Unhealthy for Sensitive Groups). Main pollutant: PM2.5.
Updated
Pollutants in Hengyang
- PM2.5 · µg/m³39.32.6× WHO limit
- PM10 · µg/m³49.4Under WHO limit
- NO₂ · µg/m³14.0Under WHO limit
- O₃ · µg/m³69.0
- SO₂ · µg/m³14.0Under WHO limit
- CO · mg/m³0.92
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Hengyang right now?
Air quality is acceptable, though a few unusually sensitive people may be affected.
Walking and commuting
Go aheadFine for everyone.
Running and jogging
Take careFine for most; unusually sensitive people should ease the pace.
Cycling
Go aheadFine for everyone.
Children playing outside
Go aheadNo limits for most children.
Older adults and heart or lung conditions
Take careWatch for symptoms such as coughing or breathlessness.
Open windows
Go aheadFine to ventilate.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededOptional.
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 101–150 means for your health →
Hengyang air quality history
Daily average, 35 days- 53average daily China AQI over 35 days
- 133worst day, 14 October
- 14cleanest day, 3 October
- 0days at Moderately Polluted or worse
The last 7 days averaged 73, worse than the week before (61). 17 of the last 35 days were Excellent.
Nearby cities
China rankingHengyang air quality: common questions
What is the AQI in Hengyang right now?
The China AQI in Hengyang is 59 (Good), based on 6 monitoring stations. The main pollutant is PM2.5. On the US AQI scale the same air reads 110 (Unhealthy for Sensitive Groups).
Is it safe to go outside in Hengyang today?
Fine for most people. Air quality is acceptable, though a few unusually sensitive people may be affected. For runners: Fine for most; unusually sensitive people should ease the pace.
How has air quality in Hengyang been recently?
Over the last 35 days with data, Hengyang averaged China AQI 53. The worst day was 14 October at 133; the cleanest was 3 October at 14. 0 days were at Moderately Polluted or worse.
How does Hengyang's PM2.5 compare with the WHO guideline?
PM2.5 is 39 µg/m³, about 2.6 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Hengyang's air quality data come from?
From China National Environmental Monitoring Centre (CNEMC), using 6 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.