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.

06/08 06/09 06/10 06/11 06/12 06/13 06/14

San Joaquin

Stockton-Hazelton

Manteca 45

Tracy-Airport 34 14 36 31 34 28 21

Stanislaus

Modesto-14th 34 19 32 34 32 31 25

Turlock

Merced

Merced-Coffee

Madera

Madera-City 28 31 48 51 51 45 33

Madera

Fresno

Fresno-SSP

Clovis

Fresno-Garland 26 30 35 44 39 40 28

Fresno-Drummond

Parlier

Tranquillity

Huron

Kings

Hanford 58 50 34

Corcoran 32 42 52 67 56 38 37

Tulare

Visalia, Church 33 40 55 46 45 50 36

Porterville

Ash Mountain-SNP

Lower Kaweah-SNP

Kern

Shafter

Oildale

Bakersfield-Calif

Bakersfield-Muni

Edison

Arvin-DiGiorgio

Maricopa

Lebec

District Maximum 45
42
55
67
58
50
37

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) 95
PM10 State 24-hr 22
State 1-Hr Ozone 1

O3-8hr (ppb) 85
PM2.5 Federal 2006 24-hr 10
Federal 2008 8-Hr Ozone 8

PM 10 (µg/m³) 99
PM2.5 Federal 1997 24-hr 0
Federal 1997 8-Hr Ozone 1

PM 2.5 (µg/m³) 53
State 1997 8-Hr Ozone 16
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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Saturday, June 15, 2019 Page 1 of 1