Air Quality Alert issued May 28 at 11:20AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for Pinal County Thursday. 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 should be reduced
Air Quality Alert issued May 28 at 11:16AM 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 and Thursday. 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
Red Flag Warning issued May 19 at 12:43AM MST until May 19 at 7:00PM MST by NWS Flagstaff AZ
MST Mon May 19 2025/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST /NOON MDT/ THIS MORNING TO 7 PM MST /8 PM MDT/ THIS EVENING FOR THE LITTLE COLORADO RIVER VALLEY AND NORTHEAST PLATEAUS... * AFFECTED AREA...Locations near Dilkon, Eagar-Springerville, Holbrook, Kykotsmovi, Saint Johns, Snowflake-Taylor, Tuba City and Winslow. * WINDS...Northwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.
Red Flag Warning issued May 19 at 12:15AM MST until May 19 at 7:00PM MST by NWS Phoenix AZ
* AFFECTED AREA...Southern Gila County/Tonto National Forest Foothills. * TIMING...In effect from 11 AM MST Monday morning to 7 PM MST Monday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Fuels are dry and fire danger is high. These conditions combined with low relative humidity and strong winds will lead to widespread hazardous fire weather conditions.
Wind Advisory issued May 19 at 1:22AM MST until May 19 at 7:00PM MST by NWS Flagstaff AZ
* WHAT...Expect west-northwest winds of 20 to 30 mph with gusts from 40 to 50 mph. * WHERE...Little Colorado River Valley in Apache County and White Mountains. * WHEN...From 11 AM MST /noon MDT/ this morning to 7 PM MST /8 PM MDT/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Travel will be difficult, especially for high profile vehicles.
Red Flag Warning issued May 19 at 1:15AM MST until May 19 at 8:00PM MST by NWS Tucson AZ
* AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154. * TIMING...From 10 AM this morning to 8 PM MST this evening. * WINDS...West to northwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fires that develop or are ongoing will have the potential to spread rapidly.
Air Quality Alert issued May 16 at 8:26AM 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...Imperial County Northwest, Imperial County Southwest, Imperial Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Noon Saturday, May 17 to Noon Sunday May 18, 2025. * 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
Red Flag Warning issued May 18 at 2:18AM MST until May 19 at 8:00PM MST by NWS Tucson AZ
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST MONDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154... The National Weather Service in Tucson has issued a Red Flag Warning for strong and gusty winds, low relative humidity, and high fire danger, which is in effect from 10 AM to 8 PM MST Monday. * AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154. * TIMING...For the first Red Flag Warning, from 10 AM this morning to 8 PM MST this evening. For the
Red Flag Warning issued May 18 at 2:18AM MST until May 18 at 8:00PM MST by NWS Tucson AZ
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST MONDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154... The National Weather Service in Tucson has issued a Red Flag Warning for strong and gusty winds, low relative humidity, and high fire danger, which is in effect from 10 AM to 8 PM MST Monday. * AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154. * TIMING...For the first Red Flag Warning, from 10 AM this morning to 8 PM MST this evening. For the
Red Flag Warning issued May 18 at 1:49AM MST until May 19 at 7:00PM MST by NWS Phoenix AZ
* AFFECTED AREA...Southern Gila County/Tonto National Forest Foothills. * TIMING...In effect from 11 AM MST Monday morning to 7 PM MST Monday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Fuels are dry and fire danger is high. These conditions combined with low relative humidity and strong winds will lead to widespread hazardous fire weather conditions.