Santa Clara AQI History
Hourly air quality data for the past 24 hours in Santa Clara, Coimbra.
24-Hour Summary
Average AQI
55
Peak AQI
500
Best AQI
24
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 06:00 am | — | — | — | — |
| 05:00 am | — | — | — | — |
| 04:00 am | — | — | — | — |
| 03:00 am | 54 | Moderate | 10.5 | 28.5 |
| 02:00 am | — | — | — | — |
| 01:00 am | 54 | Moderate | 10.9 | 24.8 |
| 12:00 am | 54 | Moderate | 10.5 | 23.5 |
| 11:00 pm | 55 | Moderate | 11.2 | 31.0 |
| 10:00 pm | 54 | Moderate | 10.5 | 29.5 |
| 09:00 pm | 52 | Moderate | 9.4 | 31.6 |
| 08:00 pm | 51 | Moderate | 9.2 | 36.4 |
| 07:00 pm | 54 | Moderate | 10.9 | 33.5 |
| 06:00 pm | 52 | Moderate | 9.4 | 30.7 |
| 05:00 pm | 32 | Good | 5.7 | 29.4 |
| 04:00 pm | 32 | Good | 5.7 | 29.4 |
| 03:00 pm | 32 | Good | 5.7 | 20.8 |
| 02:00 pm | 32 | Good | 5.7 | 24.4 |
| 01:00 pm | 48 | Good | 8.7 | 22.4 |
| 12:00 pm | 52 | Moderate | 9.8 | 22.6 |
| 11:00 am | 49 | Good | 8.9 | 31.7 |
| 10:00 am | 50 | Good | 8.9 | 31.6 |
| 09:00 am | 47 | Good | 8.4 | 33.1 |
| 08:00 am | 47 | Good | 8.4 | 32.0 |
| 07:00 am | 53 | Moderate | 10.1 | 32.5 |
| 06:00 am | 52 | Moderate | 9.6 | 27.8 |
| 05:00 am | 25 | Good | 3.4 | 27.8 |
| 04:00 am | 47 | Good | 8.5 | 19.4 |
| 03:00 am | 24 | Good | 4.4 | 18.9 |
| 02:00 am | 24 | Good | 4.4 | 16.9 |
| 01:00 am | 25 | Good | 4.5 | 18.8 |
| 12:00 am | 36 | Good | 6.5 | 20.4 |
| 11:00 pm | 54 | Moderate | 10.6 | 22.6 |
| 10:00 pm | 53 | Moderate | 10.1 | 23.8 |
| 09:00 pm | 52 | Moderate | 9.6 | 19.9 |
| 08:00 pm | — | — | — | — |
| 07:00 pm | 43 | Good | 7.8 | 18.9 |
| 06:00 pm | 44 | Good | 7.8 | 17.8 |
| 05:00 pm | 46 | Good | 8.2 | 10.9 |
| 04:00 pm | 41 | Good | 7.3 | 18.4 |
| 03:00 pm | 38 | Good | 6.8 | 16.7 |
| 02:00 pm | 38 | Good | 6.8 | 15.6 |
| 01:00 pm | 36 | Good | 6.5 | 14.8 |
| 12:00 pm | 25 | Good | 4.5 | 16.6 |
| 11:00 am | 37 | Good | 6.7 | 17.9 |
| 10:00 am | 34 | Good | 6.2 | 17.1 |
| 09:00 am | 33 | Good | 5.9 | 19.7 |
| 08:00 am | 34 | Good | 6.2 | 20.9 |
| 07:00 am | 34 | Good | 6.2 | 21.5 |
| 06:00 am | 38 | Good | 6.8 | 18.3 |
| 05:00 am | 39 | Good | 6.9 | 18.3 |
| 04:00 am | 38 | Good | 6.8 | 18.0 |
| 03:00 am | 37 | Good | 6.7 | 18.3 |
| 02:00 am | 42 | Good | 7.5 | 21.9 |
| 01:00 am | 39 | Good | 7.1 | 21.8 |
| 12:00 am | 40 | Good | 7.2 | 20.0 |
| 11:00 pm | 42 | Good | 7.5 | 29.2 |
| 10:00 pm | 39 | Good | 7.1 | 26.2 |
| 09:00 pm | 36 | Good | 6.5 | 24.4 |
| 08:00 pm | 33 | Good | 6.0 | 25.4 |
| 07:00 pm | 37 | Good | 6.6 | 30.9 |
| 06:00 pm | 31 | Good | 5.6 | 24.8 |
| 05:00 pm | 34 | Good | 6.0 | 13.1 |
| 04:00 pm | 34 | Good | 6.0 | 25.3 |
| 03:00 pm | 36 | Good | 6.6 | 25.7 |
| 02:00 pm | 43 | Good | 7.7 | 13.3 |
| 01:00 pm | 42 | Good | 7.5 | 14.2 |
| 12:00 pm | 44 | Good | 8.0 | 26.1 |
| 11:00 am | 47 | Good | 8.4 | 33.8 |
| 10:00 am | 29 | Good | 5.3 | 28.8 |
| 09:00 am | 32 | Good | 5.7 | 29.3 |
| 08:00 am | 61 | Moderate | 14.7 | 20.0 |
| 07:00 am | 60 | Moderate | 13.9 | 20.7 |
| 06:00 am | 39 | Good | 7.0 | 26.5 |
| 05:00 am | 39 | Good | 7.0 | 30.3 |
| 04:00 am | 39 | Good | 7.0 | 29.5 |
| 03:00 am | 55 | Moderate | 11.1 | 34.3 |
| 02:00 am | 42 | Good | 7.5 | 30.6 |
| 01:00 am | 54 | Moderate | 10.7 | 24.1 |
| 12:00 am | 50 | Good | 9.0 | 26.8 |
| 11:00 pm | 58 | Moderate | 12.8 | 23.5 |
| 10:00 pm | 57 | Moderate | 12.3 | 23.5 |
| 09:00 pm | 55 | Moderate | 11.4 | 28.7 |
| 08:00 pm | 53 | Moderate | 10.0 | 18.0 |
| 07:00 pm | 51 | Moderate | 9.4 | 29.5 |
| 06:00 pm | 48 | Good | 8.7 | 18.1 |
| 05:00 pm | 47 | Good | 8.4 | 23.9 |
| 04:00 pm | 48 | Good | 8.7 | 24.3 |
| 03:00 pm | 48 | Good | 8.7 | 26.7 |
| 02:00 pm | 47 | Good | 8.5 | 28.0 |
| 01:00 pm | 54 | Moderate | 10.7 | 26.5 |
| 12:00 pm | 57 | Moderate | 12.2 | 28.4 |
| 11:00 am | 58 | Moderate | 12.9 | 30.4 |
| 10:00 am | 61 | Moderate | 14.3 | 35.4 |
| 09:00 am | 64 | Moderate | 16.0 | 34.1 |
| 08:00 am | 65 | Moderate | 16.8 | 35.6 |
| 07:00 am | 71 | Moderate | 19.9 | 37.0 |
| 06:00 am | 70 | Moderate | 19.1 | 24.8 |
| 05:00 am | 68 | Moderate | 18.3 | 28.5 |
| 04:00 am | 63 | Moderate | 15.6 | 26.6 |
| 03:00 am | 60 | Moderate | 13.8 | 26.3 |
| 02:00 am | 59 | Moderate | 13.6 | 25.8 |
| 01:00 am | 58 | Moderate | 12.8 | 28.9 |
| 12:00 am | 60 | Moderate | 13.8 | 28.2 |
| 11:00 pm | 62 | Moderate | 15.1 | 30.9 |
| 10:00 pm | 60 | Moderate | 14.0 | 26.5 |
| 09:00 pm | 57 | Moderate | 12.3 | 26.5 |
| 08:00 pm | 58 | Moderate | 13.1 | 24.9 |
| 07:00 pm | 57 | Moderate | 12.4 | 17.6 |
| 06:00 pm | 57 | Moderate | 12.4 | 18.6 |
| 05:00 pm | 56 | Moderate | 11.7 | 20.2 |
| 04:00 pm | 56 | Moderate | 11.8 | 21.8 |
| 03:00 pm | 58 | Moderate | 13.1 | 28.9 |
| 02:00 pm | 58 | Moderate | 12.9 | 29.7 |
| 01:00 pm | 60 | Moderate | 14.0 | 31.7 |
| 12:00 pm | 61 | Moderate | 14.3 | 26.6 |
| 11:00 am | 65 | Moderate | 16.5 | 37.7 |
| 10:00 am | 64 | Moderate | 16.1 | 30.2 |
| 09:00 am | 500 | Hazardous | 9.1 | 44.4 |
| 08:00 am | 51 | Moderate | 9.3 | 41.1 |
| 07:00 am | 73 | Moderate | 20.6 | 31.8 |
| 06:00 am | 74 | Moderate | 21.4 | 29.3 |
| 05:00 am | 54 | Moderate | 10.6 | 35.5 |
| 04:00 am | 74 | Moderate | 21.5 | 30.9 |
| 03:00 am | 54 | Moderate | 10.6 | 41.5 |
| 02:00 am | 54 | Moderate | 10.6 | 35.8 |
| 01:00 am | 57 | Moderate | 12.2 | 38.8 |
| 12:00 am | 71 | Moderate | 19.9 | 42.1 |
| 11:00 pm | 61 | Moderate | 14.7 | 45.2 |
| 10:00 pm | 61 | Moderate | 14.7 | 49.5 |
| 09:00 pm | 64 | Moderate | 16.1 | 46.7 |
| 08:00 pm | 62 | Moderate | 14.9 | 53.7 |
| 07:00 pm | 65 | Moderate | 16.6 | 43.2 |
| 06:00 pm | 53 | Moderate | 10.3 | 23.1 |
| 05:00 pm | 53 | Moderate | 10.3 | 17.9 |
| 04:00 pm | 62 | Moderate | 14.9 | 27.9 |
| 03:00 pm | 46 | Good | 8.2 | 21.0 |
| 02:00 pm | 47 | Good | 8.5 | 24.9 |
| 01:00 pm | 47 | Good | 8.5 | 23.4 |
| 12:00 pm | 54 | Moderate | 10.7 | 23.4 |
| 11:00 am | 68 | Moderate | 18.4 | 18.4 |
| 10:00 am | 72 | Moderate | 20.2 | 20.2 |
| 09:00 am | 25 | Good | 4.5 | 9.1 |
| 08:00 am | 83 | Moderate | 26.4 | 39.0 |
| 07:00 am | 87 | Moderate | 28.3 | 39.7 |
| 06:00 am | 82 | Moderate | 25.9 | 37.3 |
| 05:00 am | 77 | Moderate | 23.0 | 36.0 |
| 04:00 am | 51 | Moderate | 9.3 | 22.7 |
| 03:00 am | 53 | Moderate | 10.4 | 23.0 |
| 02:00 am | 73 | Moderate | 20.8 | 23.1 |
| 01:00 am | 54 | Moderate | 11.0 | 22.7 |
| 12:00 am | 59 | Moderate | 13.2 | 28.4 |
| 11:00 pm | 64 | Moderate | 15.9 | 26.9 |
| 10:00 pm | 63 | Moderate | 15.7 | 29.2 |
| 09:00 pm | 65 | Moderate | 16.6 | 31.8 |
| 08:00 pm | 62 | Moderate | 15.1 | 43.9 |
| 07:00 pm | 67 | Moderate | 17.5 | 47.4 |
| 06:00 pm | 25 | Good | 3.4 | 27.4 |
| 05:00 pm | 29 | Good | 3.2 | 31.3 |
| 04:00 pm | 60 | Moderate | 14.0 | 46.3 |
| 03:00 pm | 59 | Moderate | 13.4 | 29.5 |
| 02:00 pm | 60 | Moderate | 14.1 | 32.3 |
| 01:00 pm | 61 | Moderate | 14.3 | 14.3 |
| 12:00 pm | 67 | Moderate | 17.6 | 30.6 |
| 11:00 am | 67 | Moderate | 17.6 | 29.5 |
| 10:00 am | 67 | Moderate | 17.7 | 45.5 |
| 09:00 am | 80 | Moderate | 24.8 | 45.5 |
| 08:00 am | 84 | Moderate | 26.6 | 45.5 |
| 07:00 am | 89 | Moderate | 29.4 | 49.0 |