Air Quality History for San Luis Obispo, United States
Historical PM2.5 and AQI trend from monitoring stations near San Luis Obispo, United States.
44
Current AQI
Good Station
Good Station
Air Quality Index Station
279hPM2.5 Station
279h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-06-09 | 36 | 13–63 | 8.9 µg/m³ | 8h | 1 |
| 2026-06-08 | 38 | 3–71 | 10.0 µg/m³ | 14h | 1 |
| 2026-06-07 | 36 | 10–64 | 9.0 µg/m³ | 15h | 1 |
| 2026-06-06 | 45 | 17–104 | 12.0 µg/m³ | 16h | 1 |
| 2026-06-05 | 47 | 6–134 | 13.8 µg/m³ | 14h | 1 |
| 2026-06-04 | 41 | 9–92 | 10.7 µg/m³ | 15h | 1 |
| 2026-06-03 | 42 | 16–79 | 10.7 µg/m³ | 14h | 1 |
| 2026-06-02 | 48 | 10–97 | 13.7 µg/m³ | 15h | 1 |
| 2026-06-01 | 60 | 18–93 | 17.9 µg/m³ | 12h | 1 |
| 2026-05-31 | 52 | 14–102 | 14.7 µg/m³ | 11h | 1 |
| 2026-05-30 | 31 | 13–61 | 7.6 µg/m³ | 18h | 1 |
| 2026-05-29 | 32 | 9–99 | 8.4 µg/m³ | 14h | 1 |
| 2026-05-28 | 28 | 11–55 | 6.8 µg/m³ | 15h | 1 |
| 2026-05-27 | 57 | 13–103 | 17.0 µg/m³ | 11h | 1 |
| 2026-05-26 | 48 | 5–117 | 14.1 µg/m³ | 15h | 1 |
| 2026-05-25 | 42 | 16–129 | 11.4 µg/m³ | 14h | 1 |
| 2026-05-24 | 48 | 10–107 | 13.7 µg/m³ | 15h | 1 |
| 2026-05-23 | 60 | 30–99 | 17.9 µg/m³ | 15h | 1 |
| 2026-05-22 | 39 | 18–70 | 10.2 µg/m³ | 12h | 1 |
| 2026-05-21 | 52 | 18–94 | 14.1 µg/m³ | 12h | 1 |
| 2026-05-20 | 76 | 53–87 | 24.1 µg/m³ | 4h | 1 |