Weather history · San Jose, US

Explore the daily air quality history for San Jose.

Air quality in San Jose from 1 Jul 2026 to 29 Aug 2026, based on completed daily observations.

Daily mean Air Quality Index 8377726661 1 Jul11 Jul21 Jul31 Jul9 Aug19 Aug29 Aug AQI 3 Jul 2026: 73.8 AQI4 Jul 2026: 76.4 AQI5 Jul 2026: 69.2 AQI6 Jul 2026: 78.9 AQI7 Jul 2026: 78 AQI8 Jul 2026: 77.3 AQI9 Jul 2026: 75.9 AQI10 Jul 2026: 77.3 AQI11 Jul 2026: 80.4 AQI12 Jul 2026: 77.9 AQI13 Jul 2026: 70 AQI14 Jul 2026: 71.7 AQI15 Jul 2026: 70.7 AQI16 Jul 2026: 72 AQI17 Jul 2026: 74.2 AQI18 Jul 2026: 74.2 AQI19 Jul 2026: 76.1 AQI20 Jul 2026: 76.9 AQI21 Jul 2026: 73.7 AQI22 Jul 2026: 72.2 AQI23 Jul 2026: 78.6 AQI25 Jul 2026: 75 AQI26 Jul 2026: 79.6 AQI27 Jul 2026: 76.6 AQI28 Jul 2026: 79.5 AQI29 Jul 2026: 81.2 AQI30 Jul 2026: 75.1 AQI31 Jul 2026: 73.6 AQI1 Aug 2026: 77.9 AQI2 Aug 2026: 76.1 AQI3 Aug 2026: 68.8 AQI4 Aug 2026: 67.1 AQI5 Aug 2026: 67 AQI6 Aug 2026: 62.6 AQI7 Aug 2026: 66.8 AQI8 Aug 2026: 68.8 AQI9 Aug 2026: 67.4 AQI10 Aug 2026: 70.1 AQI11 Aug 2026: 69.5 AQI12 Aug 2026: 74.1 AQI13 Aug 2026: 77.5 AQI14 Aug 2026: 74.5 AQI15 Aug 2026: 75.5 AQI16 Aug 2026: 74.1 AQI17 Aug 2026: 73.8 AQI18 Aug 2026: 69.4 AQI19 Aug 2026: 70.4 AQI20 Aug 2026: 76.5 AQI21 Aug 2026: 77.8 AQI22 Aug 2026: 79 AQI23 Aug 2026: 80 AQI24 Aug 2026: 74.7 AQI25 Aug 2026: 74.6 AQI26 Aug 2026: 75.1 AQI27 Aug 2026: 80.7 AQI28 Aug 2026: 80.8 AQI29 Aug 2026: 79 AQI