Air quality index54Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

55Now
54
52
5112 AM
40
29
183 AM
28
37
476 AM
48
48
499 AM
53
57
6112 PM
73
84
963 PM
69
43
166 PM
27
38

Air quality outlook

Worst hour each day

Today67Moderate
Sat 1796Moderate
Sun 1849Good
Mon 1949Good
Tue 2045Good

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

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About Vacaville weather

Vacaville is in Solano County, California, United States at 38.36°, -121.99°. Right now it’s 65° and cloudy; today’s high is 90° with a 0% 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.