Portola Valley, CA 94028 Air Quality

Air quality index38Good

Air quality is great — a good day to be outside.

050100150200300+

Next 24 hours

US AQI

1. 37Now
2. 38
3. 39
4. 417 AM
5. 43
6. 45
7. 4510 AM
8. 45
9. 45
10. 541 PM
11. 63
12. 73
13. 754 PM
14. 77
15. 78
16. 677 PM
17. 55
18. 43
19. 4110 PM
20. 39
21. 37
22. 361 AM
23. 35
24. 33

Air quality outlook

Worst hour each day

• Today78Moderate
• Sun 1843Good
• Mon 1943Good
• Tue 2041Good
• Wed 2136Good

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

Live radar

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Radar Satellite Temperature Wind Feels like Air quality Lightning

About ZIP code 94028

ZIP code 94028 is Portola Valley, in San Mateo County, California. This forecast is for the centre of the ZIP area at 37.375°, -122.213°. Right now it’s 76° and clear; today’s high is 89° with a 0% chance of rain.

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