Because of poor air circulation, at this time of year it is common to observe a layer of aerosols engulfing the skies over China

The 🌫️ layer in the Shaanxi Province is visible in the #Sentinel2 🇪🇺🛰️ image of 19 November

Thanks to @kosmi64833127 for the idea!

🐦🔗: https://nitter.eu/CopernicusEU/status/1595683826541404162