Weather history · San Diego, US

Explore the daily air quality history for San Diego.

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

Daily mean Air Quality Index 8574645444 1 Jul11 Jul21 Jul31 Jul9 Aug19 Aug29 Aug AQI 3 Jul 2026: 71.7 AQI4 Jul 2026: 75 AQI5 Jul 2026: 78.6 AQI6 Jul 2026: 76.8 AQI7 Jul 2026: 74.9 AQI8 Jul 2026: 70.8 AQI9 Jul 2026: 66.9 AQI10 Jul 2026: 67.3 AQI11 Jul 2026: 72 AQI12 Jul 2026: 76.2 AQI13 Jul 2026: 75.1 AQI14 Jul 2026: 75.7 AQI15 Jul 2026: 65.5 AQI16 Jul 2026: 65 AQI17 Jul 2026: 61.8 AQI18 Jul 2026: 67.9 AQI19 Jul 2026: 68.4 AQI20 Jul 2026: 69.3 AQI21 Jul 2026: 73.8 AQI22 Jul 2026: 81.5 AQI23 Jul 2026: 71.2 AQI25 Jul 2026: 71.2 AQI26 Jul 2026: 72.9 AQI27 Jul 2026: 73.7 AQI28 Jul 2026: 74.1 AQI29 Jul 2026: 73.1 AQI30 Jul 2026: 73.9 AQI31 Jul 2026: 71.7 AQI1 Aug 2026: 73.1 AQI2 Aug 2026: 76 AQI3 Aug 2026: 75.4 AQI4 Aug 2026: 75 AQI5 Aug 2026: 74.8 AQI6 Aug 2026: 71.3 AQI7 Aug 2026: 71.5 AQI8 Aug 2026: 69.5 AQI9 Aug 2026: 71.8 AQI10 Aug 2026: 71.4 AQI11 Aug 2026: 73.6 AQI12 Aug 2026: 76 AQI13 Aug 2026: 76.5 AQI14 Aug 2026: 78.3 AQI15 Aug 2026: 77.8 AQI16 Aug 2026: 73.8 AQI17 Aug 2026: 74.9 AQI18 Aug 2026: 73.7 AQI19 Aug 2026: 68.8 AQI20 Aug 2026: 70.1 AQI21 Aug 2026: 69.5 AQI22 Aug 2026: 70.6 AQI23 Aug 2026: 68.2 AQI24 Aug 2026: 64.6 AQI25 Aug 2026: 60.3 AQI26 Aug 2026: 57.6 AQI27 Aug 2026: 55 AQI28 Aug 2026: 51.9 AQI29 Aug 2026: 46.7 AQI