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.

01/10 01/11 01/12 01/13 01/14 01/15 01/16

San Joaquin

Stockton-Hazelton 22 22 17 18 5 5

Manteca

Tracy-Airport 34 28 19 22 19 9 12

Stanislaus

Modesto-14th 25 24 22 22 7 12

Turlock 24 23 22 20 9 9

Merced

Merced-Coffee 25 25 19 17 10 10

Madera

Madera-City 30 32 17 20 18 8 6

Madera 30 20 21 18 6 8

Fresno

Fresno-SSP 33 30 23 20 16 8 7

Clovis 27 27 21 18 14 5 4

Fresno-Garland 30 28 21 20 13 5 3

Fresno-Drummond 24 24 18 18 11 3 2

Parlier 31 34 21 18 15 9 6

Tranquillity 33 26 25 23 20 12 15

Huron

Kings

Hanford 32 34 24 21 17 7 5

Corcoran

Tulare

Visalia, Church 27 29 23 11 8 4

Porterville 22 26 19 11 3

Ash Mountain-SNP 32 30 29 25 27 33 31

Lower Kaweah-SNP 25 33 35 42 38 35 36

Kern

Shafter

Oildale 24 26 29 13 15 11

Bakersfield-Calif 26 34 32 20 16 13 15

Bakersfield-Muni 20 23 28 11 12

Edison 26 28 28 20

Arvin-DiGiorgio 27 28 30 18 20 18 23

Maricopa 30 35 36 15 20 25 17

Lebec

District Maximum 34
35
36
42
38
35
36

Maximum Measured Unofficial Days Over the Federal and State Standards¹

Value for This Year

Pollutant Maximum

PM10 Federal 24-hr 2
Federal 1-Hr Ozone 0

O3-1hr (ppb) 61
PM10 State 24-hr 7
State 1-Hr Ozone 0

O3-8hr (ppb) 54
PM2.5 Federal 2006 24-hr 4
Federal 2008 8-Hr Ozone 0

PM 10 (µg/m³) 178
PM2.5 Federal 1997 24-hr 4
Federal 1997 8-Hr Ozone 0

PM 2.5 (µg/m³) 103
State 1997 8-Hr Ozone 0
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.
Make one change for clean air! Visit www.healthyairliving.com and become a part of the solution!
Wednesday, January 17, 2018 Page 1 of 1