NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Tweet: Small particle level in Ojai on December 6, 2017 by Ingrid Lobet on Twitter The small particle (pm 2.5) level measured in Ojai yesterday was 557 micrograms per cubic meter (24-hour). The federal standard is 35. https://t.co/MD4nyURsYs #envhealth pic.twitter.com/eulkPyKoIE— Ingrid Lobet (@YeyeLobet) December 7, 2017 Go to Site Related Events Thomas Fire 2017
