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.

03/01 03/02 03/03 03/04 03/05 03/06 03/07

San Joaquin

Stockton-Hazelton 38
31
28
27
33
39
33

Manteca

Tracy-Airport 44
38
27
33
37
41
41

Stanislaus

Modesto-14th 43
33
29
32
34
42
37

Turlock 43
33
28
32
36
42
36

Merced

Merced-Coffee 42
34
32
38
36
42
31

Madera

Madera 38
33
30
37
38
39
27

Madera-City 42
37
35
39
41
41
34

Fresno

Clovis 34
42
38
42
43

Fresno-Drummond 38
34
39
39
39
32

Fresno-Garland 36
32
25
36
33
37
32

Fresno-SSP 41
37
35
29
44
38
34

Huron

Parlier 42
39
37
39
42
41
38

Tranquillity 43
43
42
37
46
42
40

Kings

Corcoran

Hanford 36
33
27
37
41
36
34

Tulare

Ash Mountain-SNP 37
38
35
39
39
45
36

Lower Kaweah-SNP 35
32
28
29

Porterville 35
37
38
38
42
43
38

Visalia, Church 33
34
31
32
36
35
29

Kern

Arvin-DiGiorgio 44
36
42
39
48
39
45

Bakersfield-Calif 36
31
34
30
43
38
39

Bakersfield-Muni 39
33
36
34
42
36
39

Edison 47
41
41
39
43
42
45

Lebec

Maricopa 43
38
43
36
50
40
44

Oildale 36
29
35
30
38
36
36

Shafter 38
32
37
31
42
40
41

District Maximum 47
43
43
42
50
45
45

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum

PM10 Federal 24-hr 3
Federal 1-Hr Ozone 0

O3-1hr (ppb) 78
PM10 State 24-hr 40
State 1-Hr Ozone 0

O3-8hr (ppb) 69
PM2.5 Federal 2006 24-hr 28
Federal 2008 8-Hr Ozone 0

PM 10 (µg/m³) 176
PM2.5 Federal 1997 24-hr 12
Federal 1997 8-Hr Ozone 0

PM 2.5 (µg/m³) 98
State 1997 8-Hr Ozone 0
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!
Saturday, March 08, 2014 Page 1 of 1