National Weather ServiceCaliforniaBlowing Dust AdvisoryArchive to October 1, 2026
Blowing Dust Advisories in California
The National Weather Service issued 4 blowing dust advisories for California in 2025 and 10 a year on average in 2008-2025; in 2021-2025 it had the 5th most of any state. 2026 through September: 0, 100% below the average of 8 for those months in 2008-2025. Imperial County was covered most often (60 times since 2008).
How many blowing dust advisories does California get?
Every blowing dust advisory that covered part of California. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 0 |
| 2025 | 4 |
| 2024 | 2 |
| 2023 | 8 |
| 2022 | 19 |
| 2021 | 14 |
| 2020 | 7 |
| 2019 | 4 |
| 2018 | 11 |
| 2017 | 10 |
| 2016 | 14 |
| 2015 | 20 |
| 2014 | 19 |
| 2013 | 16 |
| 2012 | 17 |
| 2011 | 2 |
| 2010 | 0 |
| 2009 | 4 |
| 2008 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does California get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in California?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Imperial County | 60 | 0 | March 30, 2017 |
| Lower Colorado River Valley CA | 54 | 0 | March 30, 2017 |
| Chuckwalla Mountains | 42 | 6 | March 2, 2025 |
| Imperial County Southeast | 41 | 6 | March 2, 2025 |
| Imperial Valley | 39 | 4 | March 2, 2025 |
| Imperial County West | 37 | 5 | March 2, 2025 |
| Palo Verde Valley | 36 | 5 | October 18, 2024 |
| Salton Sea | 36 | 5 | March 2, 2025 |
| Chuckwalla Valley | 32 | 5 | October 18, 2024 |
| Riverside County/Eastern Deserts | 31 | 0 | March 30, 2017 |
| Imperial County Southwest | 18 | 0 | June 18, 2022 |
| Chiriaco Summit | 15 | 0 | May 29, 2022 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a blowing dust advisory?
A blowing dust advisory means blowing dust will reduce visibility and make driving hazardous, below warning values. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in California.