Heat advisory continues in Riverside, San Bernardino counties; ozone advisory affects Inland, OC and LA County areas
Hot weather persisted over the weekend with the National Weather Service issuing a heat advisory through 8 p.m. Monday for the valleys in Riverside and San Bernardino counties.
With temperatures expected to reach 97 to 105 degrees, cities included in the advisory were Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga and Corona.
“The cumulative effects of several days of hot weather may cause heat exhaustion for those not prepared for excessive heat or for those who are active outdoors during the day,” the Weather Service said in a statement. “Avoid the midday sun and check up on relatives and neighbors.”
High temperatures in Riverside were projected to be 101 on Monday before falling to 98 on Tuesday, 90 on Wednesday and 88 on Thursday.
The high in Santa Ana of 86 projected for Monday was expected to fall to 78 by Thursday.
Highs in downtown Los Angeles were expected to be 88 on Monday, falling to 79 by Thursday.
A similar heat advisory expired Sunday night in the areas of Santa Clarita, Newhall and Valencia, where temperatures were expected to reach 96 to 102 degrees.
Officials reminded motorists not to leave children and pets in parked cars.
Widespread heat advisories have been issued throughout Southern California, and the LAPD has already received calls of unattended pets inside of vehicles. NEVER leave pets or children unattended inside of parked cars. pic.twitter.com/m9n0aOguPV
— LAPD HQ (@LAPDHQ) July 13, 2019
Stay safe in this hot weather!
Limit your outside time and drink plenty of water to cool off.
Absolutely do not leave children and pets in hot cars, even for a moment.
More #HeatSafety tips: https://t.co/cizfb81MJq https://t.co/nLTclwVgsi
— Readygov (@Readygov) July 14, 2019
The South Coast Air Quality Management District earlier issued an ozone advisory for much of the region and said it’s effective through Tuesday morning.
OZONE ADVISORY: (in effect through the morning of Tuesday, July 16th)
High temperatures are expected to persist over the next several days increasing the likelihood of Unhealthy to Very Unhealthy air quality: https://t.co/Y158Op74tv pic.twitter.com/JzmZb8SU1B— South Coast AQMD (@SouthCoastAQMD) July 12, 2019
Levels of ground-level ozone (smog) – the predominant summertime pollutant – are likely to reach the “unhealthy” to “very unhealthy level” in the Santa Clarita Valley, the San Gabriel Mountains, the San Fernando and San Gabriel valleys, the Inland Empire and the San Bernardino Mountains, the AQMD said.
Ozone air pollution — particularly for those sensitive to pollution — can cause respiratory health problems including trouble breathing, asthma attacksand lung damage, the agency said.
The AQMD said the advisory is for areas including Northern Orange County and:
Los Angeles County: West San Fernando Valley (Area 6), East San Fernando Valley (Area 7), West San Gabriel Valley (Area 8), East San Bernardino Valley (Area 9), Pomona-Walnut Valley (Area 10), Santa Clarita Valley (Area 13) and the San Gabriel Mountains (Area 15)
Riverside County: Corona-Norco (Area 22), Metropolitan Riverside County (Area 23), Perris Valley (Area 24), Lake Elsinore (Area 25), Temecula Valley (Area 26), Anza Valley (Area 27), Hemet-San Jacinto Valley (Area 28), San Gorgonio Pass (Area 29), Coachella Valley (Area 30) and East Riverside County (Area 31)
San Bernardino County: Northwest San Bernardino Valley (Area 32), Southwest San Bernardino Valley (Area 33), Central San Bernardino Valley (Area 34), East San Bernardino Valley (Area 35), West San Bernardino Mountains (Area 36), Central San Bernardino Mountains (Area 37) and the East San Bernardino Mountains (Area 38)