Air quality index107Unhealthy for sensitive groups

People with asthma, heart or lung conditions, children and older adults should limit long or intense outdoor activity.

Next 24 hours

US AQI

107Now
110
92
758 PM
57
52
4811 PM
43
43
422 AM
41
43
455 AM
47
51
558 AM
59
66
7311 AM
80
89
972 PM
106
97

Air quality outlook

Worst hour each day

Today110Unhealthy for sensitive groups
Thu 8106Unhealthy for sensitive groups
Fri 971Moderate
Sat 1057Moderate
Sun 1139Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About San Bernardino weather

San Bernardino is in San Bernardino County, California, United States at 34.11°, -117.29°. Right now it’s 98° and clear; today’s high is 101° with a 1% chance of rain.

California encompasses an extraordinary range of climates, from the Mediterranean coast to alpine peaks, scorching deserts, and temperate rainforests. The state's Central Valley is one of the most productive agricultural regions in the world, benefiting from warm, dry summers and mild, wet winters. Death Valley holds the record for the highest reliably recorded air temperature on Earth at 134 degrees Fahrenheit.