| | Ozone One-Hour Maximum (PPB) |
| | 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 | 72 | 54 | 51 | 72 | 66 | 37 | 50 |
| | Manteca |
| | Tracy-Airport | 62 | 50 | 46 | 53 | 52 | 32 | 44 |
| | Stanislaus |
| | Modesto-14th | 81 | 58 | 59 | 71 | 67 | 42 | 56 |
| | Turlock | 83 | 68 | 60 | 74 | 70 | 46 | 61 |
| | Merced |
| | Merced-M St. |
| | Merced-Vierra | 87 | 70 | 62 | 74 | 77 | 52 | 64 |
| | Madera |
| | Madera-City | 82 | 65 | 62 | 75 | 72 | 61 | 64 |
| | Madera | 76 | 65 | 64 | 69 | 75 | x | 62 | 62 |
| | Fresno |
| | Fresno-SSP | 73 | 64 | 62 | 70 | 82 | x | 64 | 63 |
| | Clovis | 83 | 64 | 60 | 69 | 88 | x | 65 | 62 |
| | Fresno-Garland | 66 | 57 | 52 | 57 | 79 | 55 | 56 |
| | Fresno-Foundry |
| | Fresno-Pacific |
| | Fresno-Drummond | 77 | 63 | 61 | 65 | 86 | x | 58 | 62 |
| | Parlier | 97 | x | 73 | 59 | 68 | 79 | x | 61 | 70 |
| | Tranquillity | 62 | 67 | 63 | 76 | 70 | 51 | 51 |
| | Huron |
| | Kings |
| | Hanford | 71 | 68 | 62 | 68 | 73 | 60 | 60 |
| | Corcoran |
| | Tulare |
| | Visalia-Ashland | 82 | x | 74 | 69 | 67 | 78 | x | 68 | 68 |
| | Porterville | 77 | x | 73 | 71 | 70 | 80 | x | 74 | 65 |
| | Ash Mountain-SNP | 106 | x | 98 | x | 87 | x | 81 | x | 93 | x | 85 | x | 85 | x |
| | Lower Kaweah-SNP | 104 | x | 98 | x | 84 | x | 78 | x | 86 | x | 79 | 81 | x |
| | Kern |
| | Shafter | 75 | 66 | 67 | 77 | 76 | x | 72 | 60 |
| | Oildale | 81 | 63 | 61 | 72 | 75 | 69 | 65 |
| | Bakersfield-Gold |
| | Bakersfield-Calif | 76 | x | 57 | 64 | 71 | 67 | 61 |
| | Bakersfield-Muni | 59 | 61 | 78 | 79 | x | 69 |
| | Edison | 96 | x | 82 | 74 | 84 | 84 | x | 69 | 71 |
| | Arvin-DiGiorgio | 92 | x | 83 | 76 | 80 | 84 | x | 72 | 72 |
| | Maricopa | 68 | 62 | 58 | 70 | 72 | 61 | 55 |
| | Lebec |
| | District Maximum | 106 | | 98 | | 87 | | 84 | | 93 | | 85 | | 85 |
| | 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 |