Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Sacramento County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Placer County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Nevada County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Amador County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Butte County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Calaveras County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Colusa County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Glenn County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
San Joaquin County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Solano County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Stanislaus County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Sutter County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Tuolumne County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Yuba County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Yolo County
DENSE FOG ADVISORY (2 updates)
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 20 10:56 pm
Expired: Jan 21 12:00 pm
Duration: 13 hrs 04 mins
Dense fog has continued to lift and disperse over the last few
Areas affected: Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: Jan 21 11:39 am
Expired: Jan 21 12:45 pm
Duration: 1 hr 06 mins
Fresno County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Kern County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Kings County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Madera County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Mariposa County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Merced County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Tulare County
DENSE FOG ADVISORY (2 updates)
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 20 9:51 pm
Expired: Jan 21 6:00 am
Duration: 8 hrs 09 mins
Areas affected: Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills
Effective: Jan 21 5:41 am
Expired: Jan 21 12:00 pm
Duration: 6 hrs 19 mins
Orange County 2 alerts
DENSE FOG ADVISORY (2 updates)
Areas affected: San Diego County Coastal Areas; San Diego County Inland Valleys; Orange County Coastal; Orange County Inland
Effective: Jan 20 7:12 pm
Expired: Jan 21 9:00 am
Duration: 13 hrs 48 mins
Areas affected: San Diego County Coastal Areas; San Diego County Inland Valleys; Orange County Coastal; Orange County Inland
Effective: Jan 21 2:13 am
Expired: Jan 21 9:00 am
Duration: 6 hrs 47 mins
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Jan 21 11:07 am
Expired: Jan 23 12:00 am
Duration: 1 day 12 hrs 53 mins
San Diego County
DENSE FOG ADVISORY (2 updates)
Areas affected: San Diego County Coastal Areas; San Diego County Inland Valleys; Orange County Coastal; Orange County Inland
Effective: Jan 20 7:12 pm
Expired: Jan 21 9:00 am
Duration: 13 hrs 48 mins
Areas affected: San Diego County Coastal Areas; San Diego County Inland Valleys; Orange County Coastal; Orange County Inland
Effective: Jan 21 2:13 am
Expired: Jan 21 9:00 am
Duration: 6 hrs 47 mins
Riverside County 2 alerts
DENSE FOG ADVISORY
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Jan 21 2:13 am
Expired: Jan 21 9:00 am
Duration: 6 hrs 47 mins
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland
Effective: Jan 21 11:07 am
Expired: Jan 23 12:00 am
Duration: 1 day 12 hrs 53 mins
San Bernardino County 2 alerts
DENSE FOG ADVISORY
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Jan 21 2:13 am
Expired: Jan 21 9:00 am
Duration: 6 hrs 47 mins
AIR QUALITY ALERT
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire; Riverside County Mountains; San Gorgonio Pass Near Banning; Orange County Coastal; Orange County Inland