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.

11/14 11/15 11/16 11/17 11/18 11/19 11/20

San Joaquin

Stockton-Hazelton

Manteca 13 30 9 9 14 22 38

Tracy-Airport 10 25 9 8 6 13 32

Stanislaus

Modesto-14th 27 38 18 6 10 24 54

Turlock

Merced

Merced-Coffee

Madera

Madera-City 29 52 51 9 20 26 39

Madera

Fresno

Fresno-SSP

Clovis 33 58 49 9 26 34 48

Fresno-Garland 38 53 45 10 27 43 49

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford 52 81 55 4 21 38 73

Corcoran 89 96 64 13 40 67 105

Tulare

Visalia, Church 49 59 54 12 35 39 56

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale 79 88 65 33 49

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 89
96
65
13
40
67
105

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 1

O3-1hr (ppb) 126
PM10 State 24-hr 168
State 1-Hr Ozone 44

O3-8hr (ppb) 99
PM2.5 Federal 2006 24-hr 9
Federal 2008 8-Hr Ozone 92

PM 10 (µg/m³) 152
PM2.5 Federal 1997 24-hr 0
Federal 1997 8-Hr Ozone 27

PM 2.5 (µg/m³) 51
State 1997 8-Hr Ozone 125
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, November 21, 2017 Page 1 of 1