| | PM25 24 Hour Average (µg/m3) |
| | The information in this report is based on preliminary data and is subject to change. |
| | 06/25 | 06/26 | 06/27 | 06/28 | 06/29 | 06/30 | 07/01 |
| | San Joaquin |
| | Stockton-University | 6.3 | 4.9 | 6.1 | 7.7 | 7.7 | 5.5 | 5.9 |
| | Manteca | 5.5 | 3.8 | 5.9 | 7.3 | 7.4 | 6.1 | 4.7 |
| | Tracy-Airport | 5.2 | 1.9 | 2.1 | 7.8 | 5.4 | 2.2 | 3.4 |
| | Stanislaus |
| | Modesto-14th | 6.4 | 5.2 | 4.9 | 7.6 | 8.9 | 5.9 | 5.0 |
| | Turlock | 5.4 | 4.0 | 3.6 | 6.4 | 9.2 | 5.7 | 4.9 |
| | Merced |
| | Merced-M St. | 4.4 | 3.2 | 2.6 | 6.4 | 6.7 | 4.9 | 4.0 |
| | Merced-Vierra | 2.7 | 1.0 | 1.0 | 4.8 | 4.5 | 2.7 |
| | Madera |
| | Madera-City | 6.3 | 3.0 | 2.9 | 5.7 | 8.0 | 7.2 | 6.7 |
| | Madera |
| | Fresno |
| | Fresno-SSP |
| | Clovis | 11.4 | x | 6.5 | 4.6 | 8.7 | 13.3 | x | 9.3 | x | 7.6 |
| | Fresno-Garland | 7.9 | x | 4.0 | 2.6 | 6.8 | 11.3 | x | 7.4 | x | 6.3 |
| | Fresno-Foundry | 11.3 | x | 7.6 | 6.9 | 8.9 | x | 13.8 | x | 11.8 | x | 11.0 |
| | Fresno-Pacific | 9.4 | x | 4.7 | 3.6 | 7.7 | x | 13.4 | x | 7.9 | x | 7.7 |
| | Fresno-Drummond |
| | Parlier |
| | Tranquillity | 6.8 | x | 6.9 | 7.6 | 6.5 | 7.2 | 6.3 | 4.4 |
| | Huron | 9.5 | x | 5.1 | 5.0 | 7.1 | 6.7 | 6.2 | 6.2 |
| | Kings |
| | Hanford | 9.2 | 6.0 | 4.3 | 8.0 | 8.8 | 6.7 | 7.8 |
| | Corcoran | 6.6 | 6.1 | 4.6 | 8.3 | 9.0 | 7.5 | 7.3 |
| | Tulare |
| | Visalia-Ashland | 14.3 | x | 10.3 | x | 8.9 | x | 10.4 | x | 17.2 | x | 12.6 | x | 10.7 |
| | Porterville | 11.9 | x | 7.5 | x | 6.7 | 8.4 | x | 9.8 | x | 9.8 | x | 10.2 |
| | Ash Mountain-SNP | 14.8 | x | 24.6 | x | 38.1 | x | 17.1 | x | 16.3 | x | 11.1 | x | 13.7 | x |
| | Lower Kaweah-SNP |
| | Kern |
| | Shafter |
| | Oildale |
| | Bakersfield-Gold | 12.5 | x | 8.8 | x | 7.0 | x | 10.4 | x | 12.9 | x | 8.8 | x | 13.4 |
| | Bakersfield-Calif | 9.4 | x | 8.4 | x | 8.2 | x | 11.1 | x | 11.0 | x | 10.2 | x | 11.7 |
| | Bakersfield-Muni |
| | Edison |
| | Arvin-DiGiorgio |
| | Maricopa |
| | Lebec | 6.3 | x | 4.9 | 3.2 | 4.9 | 7.0 | 6.9 | 4.2 |
| | District Maximum | 14.8 | | 24.6 | | 38.1 | | 17.1 | | 17.2 | | 12.6 | | 13.7 |
| | Maximum Measured | Unofficial Days Over the Federal and State Standards¹ |
| | Value for This Year |
| | Pollutant | Maximum | Federal 2015 8-Hr Ozone | 22 | | Federal 1997 24-hr PM2.5 | 0 |
| | Federal 2008 8-Hr Ozone | 10 | | Federal 24-hr PM10 | 0 |
| | O3-1hr (ppb) | 103 | | Federal 1997 8-Hr Ozone | 3 | | State 1-Hr Ozone | 3 |
| | O3-8hr (ppb) | 89 | | Federal 1-Hr Ozone | 0 | | State 1997 8-Hr Ozone | 22 |
| | PM 10 (µg/m³) | 153 | | Federal 2006 24-hr PM2.5 | 0 | | State 24-hr PM10 | 42 |
| | PM 2.5 (µg/m³) | 32.2 |
| 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, July 2, 2024 | Page 1 of 1 |