Forecast By County
Monday, November 24
Mon Tue
Placer
80
93
Sacramento
80
93
Yolo-Solano
78
93

The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.
Current map

Current Conditions: Ozone

AQI Look-up Table for Ozone concentrations
November 24, 2014 6 a.m. (PST)
Site Name Current Ozone AQI Max Ozone AQI (PST)
Auburn   10 13 at 4 a.m.
Colfax   14 16 at 4 a.m.
Davis - UCD Campus   8 8 at 3 a.m.
Elk Grove   4 4 at 6 a.m.
Folsom   12 12 at 6 a.m.
Grass Valley  *   27 30 at 3 a.m.
Lincoln   4 5 at 3 a.m.
North Highlands   4 5 at 2 a.m.
Placerville   24 24 at 4 a.m.
Roseville - N.Sunrise/Douglas   6 6 at 3 a.m.
Sacramento - Del Paso Manor   3 3 at 4 a.m.
Sloughhouse   7 9 at 5 a.m.
Vacaville   4 5 at 3 a.m.
Woodland   8 8 at 5 a.m.
Yuba City   3 3 at 4 a.m.

* The Sacramento region is designated as a severe nonattainment area for the 1997 federal 8-hour ozone standard with an attainment deadline of June 2019. This federal nonattainment area includes all of Sacramento and Yolo counties and portions of El Dorado, Placer, Sutter and Solano counties. It does not include Nevada County (Grass Valley), which has its own nonattainment area for outreach, planning and regulatory purposes. Nor does it include Yuba City, which is outside of this federal boundary.


AQI Chart - EnglishAQI en español
AQI Look-up Table for PM2.5 concentrations
November 24, 2014 6 a.m. (PST)
Site Name Current PM2.5 AQI Max PM2.5 AQI (PST)
Auburn   41 78 at 3 a.m.
Colfax   20 30 at 2 a.m.
Davis - UCD Campus   5 15 at 2 a.m.
Elk Grove   32 32 at 7 a.m.
Folsom   44 48 at 4 a.m.
Grass Valley  *   53 53 at 6 a.m.
Lincoln   35 55 at 2 a.m.
Rio Vista   41 41 at 6 a.m.
Roseville - N.Sunrise/Douglas   43 67 at 1 a.m.
Sacramento - Del Paso Manor   112 145 at 2 a.m.
Sacramento - T Street   Missing Missing
Sloughhouse   32 31 at 7 a.m.
Vacaville   7 20 at 2 a.m.
Woodland   23 54 at 3 a.m.

AQI Chart - EnglishAQI en español

There are 18 ground-level ozone monitoring sites throughout the federal nonattainment area.

Monitoring Sites - Operated By Local Air Districts
1. Woodland GP
2. Vacaville-Elmira G
3. Auburn GP
4. Colfax GPM
5. Folsom GMP
6. North Highlands GP
7. Elk Grove-Bruceville GPM
8. Del Paso Manor GPM
9. El Camino & Watt GP
10. Stockton Blvd. P
11. Sloughhouse GM
12. Goldenland Ct. GPM
Monitoring Sites - Operated By ARB
13. Walnut Grove GM
14. Davis GPM
15. Roseville GPTM
16. Cool GM
17. Placerville GPM
18. Downtown Sacramento 13th and T GPAM
Legend
G Gaseous Monitoring
P Particulate Monitoring
T Toxics Sampling
A Acid Deposition Sampling
M Meteorological Monitoring