Haikou air quality · Hainan, China · 海口市
Clean overnight air is linked to deeper, less interrupted sleep
China AQI 26 (Excellent) in Haikou, from 6 CNEMC monitoring stations. On the US scale that is 55 (Moderate). Main pollutant: PM10.
Updated
Pollutants in Haikou
- PM2.5 · µg/m³11.5Under WHO limit
- PM10 · µg/m³25.8Under WHO limit
- NO₂ · µg/m³3.5Under WHO limit
- O₃ · µg/m³77.4
- SO₂ · µg/m³4.0Under WHO limit
- CO · mg/m³0.35
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Haikou 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 →
Haikou air quality history
Daily average, 35 days- 28average daily China AQI over 35 days
- 42worst day, 7 October
- 15cleanest day, 14 September
- 0days at Moderately Polluted or worse
The last 7 days averaged 26, better than the week before (34). 35 of the last 35 days were Excellent.
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China rankingHaikou air quality: common questions
What is the AQI in Haikou right now?
The China AQI in Haikou is 26 (Excellent), based on 6 monitoring stations. The main pollutant is PM10. On the US AQI scale the same air reads 55 (Moderate).
Is it safe to go outside in Haikou 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 Haikou been recently?
Over the last 35 days with data, Haikou averaged China AQI 28. The worst day was 7 October at 42; the cleanest was 14 September at 15. 0 days were at Moderately Polluted or worse.
Where does Haikou'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.