RT @JChimotScience: Busy time for all America #AirQuality observers this Summer😲.
#Smoke from Alaska, #California #fires #McKinneyFire, #Saharan #dust across Atlantic...
No break also for #OSSAR-CS3 which continues to monitor these endless #aerosol episodes with @CopernicusEU #Sentinel3 in #NRT.
🐦🔗: https://nitter.eu/CopernicusEU/status/1554435347215532033