Ozone Eight-Hour Maximum (PPB)

The information in this report is based on preliminary data and is subject to change. The real-time PM10/PM2.5

monitoring equipment is used for air quality forecasting and trend analysis.

12/02 12/03 12/04 12/05 12/06 12/07 12/08

San Joaquin

Stockton-Hazelton 26
16
21
9
19
17
27

Manteca

Tracy-Airport 35
30
26
26
38
29
26

Stanislaus

Modesto-14th 32
24
27
15
29
17
31

Turlock 31
23
26
17
29
17
30

Merced

Merced-Coffee 23
30
30
15
22
21
32

Madera

Madera-City 21
29
31
18
18
20
32

Madera 15
32
34
18
16
20
30

Fresno

Fresno-SSP 18
24
30
20
14
20
29

Clovis 16
26
29
23
25

Fresno-Garland 15
23
28
20
11
15
29

Fresno-Drummond 13
22
27
10
16
28

Parlier 24
30
35
24
16
22
29

Tranquillity 29
29
34
27
26
25
29

Huron

Kings

Hanford 24
26
30
15
23
24

Corcoran

Tulare

Visalia, Church 18
23
30
27
19
13
21

Porterville 17
31
21
27
26

Ash Mountain-SNP 24
33
31
39
33
32
22

Lower Kaweah-SNP 42
42
40
40
41
43
20

Kern

Shafter 21
29
34
31
22
27
29

Oildale 29
33
37
21
28
30

Bakersfield-Calif 18
28
30
34
19
27
23

Bakersfield-Muni 22
29
32
35
20

Edison 26
32
35
40
22
26
27

Arvin-DiGiorgio 27
33
35
38
21
27
22

Maricopa 32
37
41
39
33
36
38

Lebec

District Maximum 42
42
41
40
41
43
38

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum

PM10 Federal 24-hr 0
Federal 1-Hr Ozone 0

O3-1hr (ppb) 120
PM10 State 24-hr 172
State 1-Hr Ozone 51

O3-8hr (ppb) 101
PM2.5 Federal 2006 24-hr 33
Federal 2008 8-Hr Ozone 89

PM 10 (µg/m³) 152
PM2.5 Federal 1997 24-hr 0
Federal 1997 8-Hr Ozone 47

PM 2.5 (µg/m³) 64
State 1997 8-Hr Ozone 113
¹Some of the days over the standards shown above may be the result of “Natural Events” such as extreme wind
episodes, or “Exceptional Events” such as wildfires and would not count as violations of the federal standard.
Make one change for clean air! Visit www.healthyairliving.com and become a part of the solution!
Friday, December 9, 2016 Page 1 of 1