Fire Weather Watch issued May 3 at 2:09AM MST until May 4 at 8:00PM MST by NWS Tucson AZ
* AFFECTED AREA...Fire Weather Zone 152. * TIMING...From Sunday morning through Sunday evening. * WINDS...Southwest wind 15 to 25 mph with gusts up to 45 mph. The strongest winds will be across southern Cochise county along the International Border. * RELATIVE HUMIDITY...12 to 17 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.
Air Quality Alert issued May 2 at 3:39PM MST by NWS Phoenix AZ
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. * WHERE...Western Imperial County and Imperial County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Afternoon Saturday, May 3 to afternoon Sunday, May 4. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease
Fire Weather Watch issued May 2 at 1:09AM MST until May 4 at 8:00PM MST by NWS Tucson AZ
* AFFECTED AREA...Fire Weather Zones 150, 151, 152 and 153. * TIMING...From Sunday morning through Sunday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. The strongest winds will be near the International Border in Santa Cruz and Cochise counties as well as along the Arizona/New Mexico border in Cochise county. * RELATIVE HUMIDITY...11 to 16 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.
Fire Weather Watch issued May 1 at 1:10AM MST until May 4 at 8:00PM MST by NWS Tucson AZ
* AFFECTED AREA...Fire Weather Zones 151, 152 and 153. * TIMING...From Sunday morning through Sunday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.
Air Quality Alert issued April 29 at 9:44AM MST by NWS Phoenix AZ
AQAPSR AEUS75 KPSR 291644 AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Wednesday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The
Air Quality Alert issued April 29 at 9:30AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Wednesday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of gasoline-powered equipment
Air Quality Alert issued April 29 at 9:15AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Wednesday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of gasoline-powered equipment
Air Quality Alert issued April 29 at 10:21AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Wednesday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of gasoline-powered equipment
Red Flag Warning issued April 27 at 1:55AM MST until April 27 at 7:00PM MST by NWS Flagstaff AZ
MST Sun Apr 27 2025/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MST /11 AM MDT/ THIS MORNING TO 7 PM MST /8 PM MDT/ THIS EVENING FOR THE LITTLE COLORADO RIVER VALLEY, NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264, WHITE MOUNTAINS, CHUSKA MOUNTAINS, AND THE DEFIANCE PLATEAU... * AFFECTED AREA...Locations near Alpine, Buffalo Pass, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kykotsmovi, Pinetop- Lakeside, Saint Johns, Show Low, Snowflake-Taylor, Tuba City, Whiteriver, Window Rock and Winslow. This includes portions of the Apache-Sitgreaves National Forest. * WINDS...Southwest 15 to 25 MPH with gusts up to 45 MPH. * RELATIVE HUMIDITY...As
Red Flag Warning issued April 27 at 12:41AM MST until April 27 at 8:00PM MST by NWS Tucson AZ
* AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154 including the Sky Islands of Southeast Arizona, Cochise, Graham, Greenlee, Santa Cruz, and eastern portions of Pinal and Pima counties. * TIMING...From 10 AM this morning to 8 PM MST this evening. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...6 to 10 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.