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Forecast By County
Saturday, August 30
Sat Sun
El Dorado
74
90
Placer
71
87
Sacramento
64
87
Yolo-Solano
49
49

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

Spare The Air Days
2014
Spare The Air Days:
2

Current Conditions: Ozone

AQI Look-up Table for Ozone concentrations
August 30, 2014 3 a.m. (PDT)
Site Name Current Ozone AQI Max Ozone AQI (PST)
Auburn   36 38 at 12 a.m.
Colfax   35 35 at 1 a.m.
Cool (Seasonal)   40 40 at 12 a.m.
Davis - UCD Campus   8 8 at 1 a.m.
Elk Grove   8 9 at 12 a.m.
Folsom   19 19 at 1 a.m.
Grass Valley  *   80 80 at 1 a.m.
Lincoln   16 18 at 12 a.m.
North Highlands   13 14 at 12 a.m.
Placerville   42 44 at 12 a.m.
Roseville - N.Sunrise/Douglas   15 17 at 12 a.m.
Sacramento - Del Paso Manor   10 11 at 12 a.m.
Sacramento - T Street   8 10 at 12 a.m.
Sloughhouse   12 12 at 1 a.m.
Vacaville   14 14 at 12 a.m.
Woodland   8 8 at 1 a.m.
Yuba City   11 12 at 12 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
August 30, 2014 3 a.m. (PDT)
Site Name Current PM2.5 AQI Max PM2.5 AQI (PST)
Auburn   39 40 at 12 a.m.
Colfax   35 39 at 12 a.m.
Davis - UCD Campus   40 40 at 2 a.m.
Elk Grove   45 45 at 2 a.m.
Folsom   23 23 at 2 a.m.
Grass Valley  *   Missing Missing
Lincoln   42 50 at 12 a.m.
Rio Vista   35 35 at 2 a.m.
Roseville - N.Sunrise/Douglas   31 31 at 2 a.m.
Sacramento - Del Paso Manor   10 15 at 12 a.m.
Sacramento - T Street   29 33 at 12 a.m.
Sloughhouse   23 25 at 12 a.m.
Vacaville   3 7 at 12 a.m.
Woodland   16 15 at 2 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