PM10 24 Hour Average (µg/m3)

The information in this report is based on preliminary data and is subject to change.

01/21

01/22

01/23

01/24

01/25

01/26

01/27

San Joaquin

Stockton-University

21

31

46

48

39

45

50

Manteca

26

25

39

40

30

43

31

Tracy-Airport

17

11

21

24

18

26

16

Stanislaus

Modesto-14th

29

39

44

46

42

47

47

Turlock

Merced

Merced-M St.

Merced-Coffee

Madera

Madera-City

30

41

32

30

32

38

33

Madera

Fresno

Fresno-SSP

Clovis

47

45

32

49

60

52

46

Fresno-Garland

45

48

45

39

45

42

44

Fresno-Foundry

Fresno-Pacific

Fresno-Drummond

65

73

Parlier

Tranquillity

Huron

Kings

Hanford

43

39

42

46

47

50

60

Corcoran

44

39

38

45

56

53

63

Tulare

Visalia, Church

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

79

45

29

36

43

38

49

Bakersfield-Gold

63

61

Bakersfield-Calif

75

50

41

43

57

50

58

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum

79

50

46

49

60

65

73

Maximum Measured

Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant

Maximum

Federal 2015 8-Hr Ozone

0

Federal 1997 24-hr PM2.5

0

Federal 2008 8-Hr Ozone

0

Federal 24-hr PM10

0

O3-1hr (ppb)

51

Federal 1997 8-Hr Ozone

0

State 1-Hr Ozone

0

O3-8hr (ppb)

48

Federal 1-Hr Ozone

0

State 1997 8-Hr Ozone

0

PM 10 (µg/m³)

79

Federal 2006 24-hr PM2.5

15

State 24-hr PM10

11

PM 2.5 (µg/m³)

53.9

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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Friday, January 28, 2022

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