Kaifeng air quality · Henan, China · 开封市
Most people won't notice any effects at this level
China AQI 51 (Good) in Kaifeng, from 6 CNEMC monitoring stations. On the US scale that is 88 (Moderate). Main pollutant: PM10.
Updated
Pollutants in Kaifeng
- PM2.5 · µg/m³29.01.9× WHO limit
- PM10 · µg/m³50.6Under WHO limit
- NO₂ · µg/m³26.8Under WHO limit
- O₃ · µg/m³42.2
- SO₂ · µg/m³4.8Under WHO limit
- CO · mg/m³0.25
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Kaifeng 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 51–100 means for your health →
Kaifeng air quality history
Daily average, 35 days- 66average daily China AQI over 35 days
- 148worst day, 10 October
- 33cleanest day, 17 October
- 0days at Moderately Polluted or worse
The last 7 days averaged 72, better than the week before (86). 10 of the last 35 days were Excellent.
Nearby cities
China rankingKaifeng air quality: common questions
What is the AQI in Kaifeng right now?
The China AQI in Kaifeng is 51 (Good), based on 6 monitoring stations. The main pollutant is PM10. On the US AQI scale the same air reads 88 (Moderate).
Is it safe to go outside in Kaifeng 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 Kaifeng been recently?
Over the last 35 days with data, Kaifeng averaged China AQI 66. The worst day was 10 October at 148; the cleanest was 17 October at 33. 0 days were at Moderately Polluted or worse.
How does Kaifeng's PM2.5 compare with the WHO guideline?
PM2.5 is 29 µg/m³, about 1.9 times the World Health Organization's 24-hour guideline of 15 µg/m³.
Where does Kaifeng'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.