San Mateo, CA 94402 Air Quality

Air quality index50Good

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

050100150200300+

Next 24 hours

US AQI

1. 52Now
2. 50
3. 47
4. 451 AM
5. 43
6. 41
7. 424 AM
8. 43
9. 43
10. 437 AM
11. 43
12. 43
13. 4310 AM
14. 42
15. 41
16. 381 PM
17. 35
18. 31
19. 374 PM
20. 42
21. 47
22. 447 PM
23. 41
24. 37

Air quality outlook

Worst hour each day

• Today59Moderate
• Sat 1747Good
• Sun 1839Good
• Mon 1939Good
• Tue 2041Good

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

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Radar Satellite Temperature Wind Feels like Air quality Lightning

About ZIP code 94402

ZIP code 94402 is San Mateo, in San Mateo County, California. This forecast is for the centre of the ZIP area at 37.540°, -122.330°, 2 mi from central San Mateo. Right now it’s 68° and clear; today’s high is 85° with a 0% chance of rain.

San Mateo, CA forecast

Nearby ZIP codes

94403 · San Mateo, CA94401 · San Mateo, CA94002 · Belmont, CA94010 · Burlingame, CA94404 · San Mateo, CA94070 · San Carlos, CA94065 · Redwood City, CA94030 · Millbrae, CA94128 · San Francisco, CA94019 · Half Moon Bay, CA94061 · Redwood City, CA94038 · Moss Beach, CA

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