Walnut, CA 91789 Air Quality

Air quality index41Good

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

050100150200300+

Next 24 hours

US AQI

1. 41Now
2. 41
3. 41
4. 408 AM
5. 39
6. 41
7. 4311 AM
8. 45
9. 48
10. 522 PM
11. 55
12. 42
13. 295 PM
14. 16
15. 23
16. 308 PM
17. 37
18. 37
19. 3711 PM
20. 37
21. 39
22. 402 AM
23. 41
24. 43

Air quality outlook

Worst hour each day

• Today55Moderate
• Sun 1865Moderate
• Mon 1971Moderate
• Tue 2063Moderate
• Wed 2126Good

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 91789

ZIP code 91789 is Walnut, in Los Angeles County, California. This forecast is for the centre of the ZIP area at 34.018°, -117.855°. Right now it’s 73° and clear; today’s high is 88° with a 2% chance of rain.

Nearby ZIP codes

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