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.

06/30 07/01 07/02 07/03 07/04 07/05 07/06

San Joaquin

Stockton-Hazelton 62
71
51
51
44
34
33

Manteca

Tracy-Airport 75
77
63
61
52
44
33

Stanislaus

Modesto-14th 76
77
75
68
60
48
44

Turlock 84
75
77
73
65
52
47

Merced

Merced-Coffee 80
67
74
79
68
59
48

Madera

Madera-City 83
61
69
70
68
60
50

Madera 62

Fresno

Fresno-SSP 80
59
74
65
67
59
50

Clovis 83
58
78
67
70
61
50

Fresno-Garland 81
60
80
49

Fresno-Drummond 82
60
71
67
68
59
52

Parlier 92
60
63
76
75
61
58

Tranquillity 68
65
55
60
60
51
51

Huron

Kings

Hanford 74
56
85
67
67
58
51

Corcoran

Tulare

Visalia, Church 82
57
67
74
68
59
59

Porterville 84
69
72
87
73
69
63

Ash Mountain-SNP 65
66
34
91
85
66
69

Lower Kaweah-SNP 52
34
83
71
62
66

Kern

Shafter 83
58
67
77
63
55
52

Oildale 81
63
70
79
66
60
56

Bakersfield-Calif 89
65
73
81
68
60
60

Bakersfield-Muni 95
65
76
88
73
62
61

Edison 83
56
68
80
68
60
61

Arvin-DiGiorgio 86
50
71
77
69
59
64

Maricopa 80
68
70
79
66
58
54

Lebec

District Maximum 95
77
85
91
85
69
69

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) 110
PM10 State 24-hr 26
State 1-Hr Ozone 14

O3-8hr (ppb) 98
PM2.5 Federal 2006 24-hr 30
Federal 2008 8-Hr Ozone 36

PM 10 (µg/m³) 130
PM2.5 Federal 1997 24-hr 5
Federal 1997 8-Hr Ozone 14

PM 2.5 (µg/m³) 99
State 1997 8-Hr Ozone 46
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.
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Tuesday, July 7, 2015 Page 1 of 1