Air Quality Alert
WYZ054-055-181500-
Northern Campbell-Southern Campbell-
Including the cities of Gillette, Recluse, Weston, Rozet, and Wright
553 PM MST Tue Dec 16 2025
...BLOWING DUST HEALTH ALERT IN EFFECT FOR THE POWDER RIVER BASIN OF
NORTHEASTERN WYOMING IN EFFECT FROM 6 AM WEDNESDAY TO 8 AM MST
THURSDAY...
The following message is transmitted in collaboration with the
Wyoming Department of Environmental Quality, Air Quality Division.
* WHAT...Southwest winds 30 to 40 mph. Gusts to 60 mph are expected,
especially across southern Campbell County. Winds will switch to
the northwest late Wednesday afternoon.
* WHERE...Powder River Basin of northeastern Wyoming.
* WHEN...Wednesday through early Thursday morning.
* IMPACTS...The strong winds will create blowing dust.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
The Wyoming Air Quality Division recommends the elderly, young
children, and individuals with respiratory problems avoid
excessive physical exertion and minimize outdoor activities during
this time. Although these people are most susceptible to health
impacts, the air quality division also advises that everyone
should avoid prolonged exposure to the poor air quality
conditions.
$$
CAZ048-056-065-552-554-172130-
San Bernardino and Riverside County Valleys-The Inland Empire-
Riverside County Mountains-San Gorgonio Pass near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona,
Idyllwild-Pine Cove, Huntington Beach, Costa Mesa, Newport Beach,
Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove,
Irvine, Orange, Fullerton, and Mission Viejo
128 PM PST Tue Dec 16 2025
...AIR QUALITY ALERT: MANDATORY WOOD-BURNING BAN IN EFFECT...
* WHAT...The South Coast AQMD has issued a mandatory wood-burning
ban for residents in the South Coast Air Basin. The No-Burn rule
bans burning wood, pellets, and manufactured fire logs in any indoor
or outdoor wood-burning device.
* WHERE...The South Coast Air Basin, which includes Orange County
and non-desert portions of Los Angeles, Riverside, and San
Bernardino counties. No-Burn Day alerts do not apply to areas above
3,000 feet in elevation, the Coachella Valley, or the High Desert.
Homes that rely on wood as a sole source of heat, low-income
households and those without natural gas service also are exempt
from the requirement.
* WHEN...Tuesday and Wednesday.
* IMPACTS...Particles in smoke can get deep into the lungs and cause
health problems (including asthma attacks), increases in emergency
room visits, and hospitalizations. No-Burn Days are needed to
protect public health when fine particle pollution levels are
expected to be high anywhere in the South Coast Air Basin. No-Burn
Days are based on fine particle pollution levels that are forecasted
for an entire 24-hour period, which may not be reflected in
real-time air quality maps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To protect your health, check current and forecasted air quality
levels at www.aqmd.gov or download the mobile app at
www.aqmd.gov/mobileapp. When air quality is poor in your area,
limited extended or intense outdoor activity and remain inside with
windows and doors closed. Run your air conditioner and/or an air
purifier and avoid using devices that bring in outside air like a
swamp cooler or whole house fan if you have other ways to stay cool.
Additional details for this air quality alert are available at
www.aqmd.gov/advisory. Information on the South Coast AQMD Check
Before You Burn program is available at www.aqmd.gov/cbyb.
$$
CAZ371-087-373-370-366-368-548-362-367-088-375-372-369-180800-
Calabasas and Agoura Hills-
Catalina and Santa Barbara Islands-
Including the city of Avalon and Two Harbors.
Eastern San Fernando Valley-
Including the cities of Burbank, Glendale, and Universal City
Eastern Santa Monica Mountains Recreational Area-
Los Angeles County Beaches-
Including the cities of Santa Monica, Torrance, and Long Beach
Los Angeles County Inland Coast including Downtown Los Angeles-
Including the cities of Inglewood, Downey, Norwalk, Beverly Hills,
and West Hollywood
Los Angeles County San Gabriel Valley-
Including the cities of Pasadena, San Gabriel, and Pomona
Malibu Coast-
Including the city of Malibu
Palos Verdes Hills-
Santa Clarita Valley-
Including the cities of Santa Clarita, Newhall, and Valencia
Santa Susana Mountains-
Western San Fernando Valley-
Including the cities of Reseda, Woodland Hills, and Northridge
Western Santa Monica Mountains Recreational Area-
1158 AM PST Tue Dec 16 2025
...AIR QUALITY ALERT: MANDATORY WOOD-BURNING BAN IN EFFECT...
* WHAT...The South Coast AQMD has issued a mandatory wood-burning
ban for residents in the South Coast Air Basin. The No-Burn rule
bans burning wood, pellets, and manufactured fire logs in any indoor
or outdoor wood-burning device.
* WHERE...The South Coast Air Basin, which includes Orange County
and non-desert portions of Los Angeles, Riverside, and San
Bernardino counties. No-Burn Day alerts do not apply to areas above
3,000 feet in elevation, the Coachella Valley, or the High Desert.
Homes that rely on wood as a sole source of heat, low-income
households and those without natural gas service also are exempt
from the requirement.
* WHEN...Tuesday and Wednesday.
* IMPACTS...Particles in smoke can get deep into the lungs and cause
health problems (including asthma attacks), increases in emergency
room visits, and hospitalizations. No-Burn Days are needed to
protect public health when fine particle pollution levels are
expected to be high anywhere in the South Coast Air Basin. No-Burn
Days are based on fine particle pollution levels that are forecasted
for an entire 24-hour period, which may not be reflected in
real-time air quality maps.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To protect your health, check current and forecasted air quality
levels at www.aqmd.gov or download the mobile app at
www.aqmd.gov/mobileapp. When air quality is poor in your area,
limited extended or intense outdoor activity and remain inside with
windows and doors closed. Run your air conditioner and/or an air
purifier and avoid using devices that bring in outside air like a
swamp cooler or whole house fan if you have other ways to stay cool.
Additional details for this air quality alert are available at
www.aqmd.gov/advisory. Information on the South Coast AQMD Check
Before You Burn program is available at www.aqmd.gov/cbyb.
$$