| | PM2.5 24 Hour Average (µg/m³) |
| | The information in this report is based on preliminary data and is subject to change. |
| | 07/15 | 07/16 | 07/17 | 07/18 | 07/19 | 07/20 | 07/21 |
| | San Joaquin |
| | Stockton-University | 5.9 | 5.8 | 8.2 | 5.4 | 4.3 | 4.4 | 4.5 |
| | Manteca | 6.7 | 5.4 | 7.5 | 5.8 | 5.0 | 3.4 | 4.5 |
| | Tracy-Airport | 3.3 | 2.7 | 6.7 | 5.9 | 5.6 | 4.5 | 5.7 |
| | Stanislaus |
| | Modesto-14th | 4.4 | 4.3 | 5.0 | 5.0 | 3.1 | 3.0 | 3.0 |
| | Turlock | 5.7 | 5.8 | 8.2 | 7.8 | 6.2 | 6.1 | 6.5 |
| | Merced |
| | Merced-M St. | 5.9 | 6.4 | 7.5 | 6.1 | 6.4 | 5.3 | 3.9 |
| | Merced-Vierra | 5.7 | 6.7 | 8.0 | 7.2 | 6.5 | 5.0 | 4.4 |
| | Madera |
| | Madera-City | 5.9 | 5.3 | 7.4 | 8.3 | 7.6 | 5.9 | 5.8 |
| | Madera |
| | Fresno |
| | Fresno-SSP |
| | Clovis | 10.1 | 7.6 | 11.3 | 10.0 | 9.5 | 8.7 | 7.3 |
| | Fresno-Garland | 7.1 | 6.2 | 10.8 | 7.8 | 8.5 | 5.9 | 6.0 |
| | Fresno-Foundry | 7.2 | 6.0 | 9.0 | 8.8 | 6.5 | 7.5 | 6.5 |
| | Fresno-Pacific | 6.0 | 4.8 | 8.1 | 7.9 | 8.3 | 7.8 | 5.8 |
| | Fresno-Drummond |
| | Parlier |
| | Tranquillity | 3.2 | 4.5 | 4.5 | 6.1 | 4.2 | 3.6 | 5.6 |
| | Huron | 6.3 | 5.3 | 13.8x | 13.0 | 7.8 | 5.6 | 7.7 |
| | Kings |
| | Hanford | 7.5 | 5.2 | 6.5 | 10.3 | 8.0 | 5.1 | 6.0 |
| | Corcoran | 13.5 | 8.3 | 9.1 | 12.0 | 10.2 | 8.2 | 8.9 |
| | Tulare |
| | Visalia-Ashland | 9.1 | 6.9 | 7.2 | 9.3 | 8.6 | 6.4 | 6.4 |
| | Porterville | 7.5 | 7.8 | 6.2 | 9.1 | 7.8 | 4.6 | 5.2 |
| | Ash Mountain-SNP | 9.2 | 8.8 | 7.6 | 9.1 | 10.0 | 10.1 | 6.8 |
| | Kern |
| | Shafter |
| | Oildale |
| | Bakersfield-Gold | 12.3 | 11.8 | 10.7 | 13.3 | 8.7 | 8.3 | 7.3 |
| | Bakersfield-Calif | 9.4 | 8.1 | 8.1 | 12.2 | 6.9 | 5.9 | 6.5 |
| | Bakersfield-Muni |
| | Edison |
| | Arvin-DiGiorgio |
| | Maricopa |
| | Lebec | 7.2 | 3.7 | 6.9 | 8.3 | 8.5 | 5.9 | 5.7 |
| | District Maximum | 13.5 | 11.8 | 13.8 | 13.3 | 10.2 | 10.1 | 8.9 |
|
|
| ¹Data affected by smoke, high winds, fireworks, 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.healthairliving.com and become a part of the solution! |
| Wednesday, July 22, 2026 | Page 1 of 1 |