PM10 24 Hour Average (µg/m3)

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.

09/19

09/20

09/21

09/22

09/23

09/24

09/25

San Joaquin

Stockton-Hazelton

Manteca

28

25

20

30

44

26

41

Tracy-Airport

17

7

10

26

35

15

35

Stanislaus

Modesto-14th

30

25

20

13

Turlock

Merced

Merced-Coffee

Madera

Madera-City

48

43

16

29

39

27

43

Madera

Fresno

Fresno-SSP

Clovis

47

18

34

37

24

46

Fresno-Garland

50

36

18

28

33

27

39

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford

64

50

22

36

47

45

59

Corcoran

90

68

34

42

58

58

61

Tulare

Visalia, Church

69

63

35

34

47

39

53

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

62

69

24

35

38

36

53

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum

90

69

35

42

58

58

61

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)

113

PM10 State 24-hr

122

State 1-Hr Ozone

39

O3-8hr (ppb)

99

PM2.5 Federal 2006 24-hr

8

Federal 2008 8-Hr Ozone

78

PM 10 (µg/m³)

133

PM2.5 Federal 1997 24-hr

0

Federal 1997 8-Hr Ozone

25

PM 2.5 (µg/m³)

51

State 1997 8-Hr Ozone

105

¹Data affected by smoke, high winds, fireworks, and etc. and which exceeded a federal standard are denoted with

an ‘x’ in the table above. Values marked with an ‘x’ are not included in the tallies above.

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Tuesday, September 26, 2017

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