Cidade Velha AQI History
Hourly air quality data for the past 24 hours in Cidade Velha, Ribeira Grande de Santiago.
24-Hour Summary
Average AQI
79
Peak AQI
183
Best AQI
51
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 06:00 am | 78 | Moderate | 23.7 | 76.4 |
| 07:00 am | 81 | Moderate | 25.3 | 81.7 |
| 08:00 am | 85 | Moderate | 27.4 | 87.1 |
| 09:00 am | 89 | Moderate | 29.3 | 91.3 |
| 10:00 am | 92 | Moderate | 31.2 | 94.1 |
| 11:00 am | 118 | Unhealthy for Sensitive Groups | 42.4 | 128.1 |
| 12:00 pm | 121 | Unhealthy for Sensitive Groups | 43.7 | 128.1 |
| 01:00 pm | 122 | Unhealthy for Sensitive Groups | 43.9 | 125.7 |
| 02:00 pm | 120 | Unhealthy for Sensitive Groups | 43.3 | 122.5 |
| 03:00 pm | 113 | Unhealthy for Sensitive Groups | 40.4 | 111.8 |
| 04:00 pm | 101 | Unhealthy for Sensitive Groups | 35.6 | 98.5 |
| 05:00 pm | 91 | Moderate | 30.7 | 87.5 |
| 06:00 pm | 86 | Moderate | 27.7 | 85.4 |
| 07:00 pm | 85 | Moderate | 27.5 | 92.9 |
| 08:00 pm | 89 | Moderate | 29.3 | 104.5 |
| 09:00 pm | 92 | Moderate | 31.3 | 112.7 |
| 10:00 pm | 96 | Moderate | 33.5 | 119.7 |
| 11:00 pm | 103 | Unhealthy for Sensitive Groups | 36.4 | 124.8 |
| 12:00 am | 108 | Unhealthy for Sensitive Groups | 38.2 | 124.3 |
| 01:00 am | 115 | Unhealthy for Sensitive Groups | 41.2 | 127.6 |
| 02:00 am | 130 | Unhealthy for Sensitive Groups | 47.1 | 141.1 |
| 03:00 am | 143 | Unhealthy for Sensitive Groups | 52.4 | 149.5 |
| 04:00 am | 152 | Unhealthy | 56.8 | 154.1 |
| 05:00 am | 155 | Unhealthy | 60.8 | 157.9 |
| 06:00 am | 157 | Unhealthy | 64.7 | 162.1 |
| 07:00 am | 160 | Unhealthy | 68.0 | 164.4 |
| 08:00 am | 161 | Unhealthy | 70.1 | 163.4 |
| 09:00 am | 162 | Unhealthy | 71.7 | 163.4 |
| 10:00 am | 162 | Unhealthy | 71.7 | 160.7 |
| 11:00 am | 183 | Unhealthy | 101.7 | 231.9 |
| 12:00 pm | 176 | Unhealthy | 91.0 | 205.4 |
| 01:00 pm | 166 | Unhealthy | 76.4 | 177.9 |
| 02:00 pm | 154 | Unhealthy | 59.5 | 142.0 |
| 03:00 pm | 125 | Unhealthy for Sensitive Groups | 45.1 | 108.7 |
| 04:00 pm | 97 | Moderate | 33.6 | 81.3 |
| 05:00 pm | 82 | Moderate | 26.0 | 62.9 |
| 06:00 pm | 75 | Moderate | 21.9 | 52.9 |
| 07:00 pm | 73 | Moderate | 20.8 | 51.3 |
| 08:00 pm | 73 | Moderate | 21.0 | 54.8 |
| 09:00 pm | 75 | Moderate | 21.8 | 60.8 |
| 10:00 pm | 77 | Moderate | 23.1 | 68.2 |
| 11:00 pm | 85 | Moderate | 27.5 | 82.9 |
| 12:00 am | 90 | Moderate | 30.0 | 90.8 |
| 01:00 am | 95 | Moderate | 32.9 | 97.8 |
| 02:00 am | 101 | Unhealthy for Sensitive Groups | 35.5 | 102.2 |
| 03:00 am | 105 | Unhealthy for Sensitive Groups | 37.1 | 103.1 |
| 04:00 am | 106 | Unhealthy for Sensitive Groups | 37.5 | 100.1 |
| 05:00 am | 106 | Unhealthy for Sensitive Groups | 37.6 | 96.6 |
| 06:00 am | 102 | Unhealthy for Sensitive Groups | 36.0 | 89.2 |
| 07:00 am | 96 | Moderate | 33.2 | 79.9 |
| 08:00 am | 88 | Moderate | 28.8 | 68.2 |
| 09:00 am | 78 | Moderate | 23.7 | 55.9 |
| 10:00 am | 69 | Moderate | 19.0 | 45.1 |
| 11:00 am | 82 | Moderate | 25.7 | 60.3 |
| 12:00 pm | 76 | Moderate | 22.4 | 48.8 |
| 01:00 pm | 73 | Moderate | 21.0 | 41.6 |
| 02:00 pm | 73 | Moderate | 20.8 | 38.2 |
| 03:00 pm | 73 | Moderate | 20.7 | 36.1 |
| 04:00 pm | 71 | Moderate | 20.1 | 34.5 |
| 05:00 pm | 69 | Moderate | 18.9 | 31.5 |
| 06:00 pm | 67 | Moderate | 17.6 | 28.9 |
| 07:00 pm | 65 | Moderate | 16.4 | 26.8 |
| 08:00 pm | 63 | Moderate | 15.3 | 25.1 |
| 09:00 pm | 61 | Moderate | 14.3 | 23.7 |
| 10:00 pm | 59 | Moderate | 13.3 | 22.1 |
| 11:00 pm | 54 | Moderate | 10.7 | 18.2 |
| 12:00 am | 54 | Moderate | 10.6 | 18.7 |
| 01:00 am | 54 | Moderate | 10.5 | 19.0 |
| 02:00 am | 54 | Moderate | 10.5 | 19.6 |
| 03:00 am | 54 | Moderate | 10.6 | 20.1 |
| 04:00 am | 54 | Moderate | 10.6 | 20.0 |
| 05:00 am | 54 | Moderate | 10.7 | 20.2 |
| 06:00 am | 54 | Moderate | 10.7 | 20.7 |
| 07:00 am | 54 | Moderate | 10.7 | 21.1 |
| 08:00 am | 54 | Moderate | 10.8 | 22.1 |
| 09:00 am | 54 | Moderate | 10.6 | 21.6 |
| 10:00 am | 54 | Moderate | 10.6 | 21.2 |
| 11:00 am | 63 | Moderate | 15.4 | 33.1 |
| 12:00 pm | 63 | Moderate | 15.8 | 33.4 |
| 01:00 pm | 64 | Moderate | 16.0 | 33.3 |
| 02:00 pm | 64 | Moderate | 16.0 | 33.1 |
| 03:00 pm | 63 | Moderate | 15.8 | 33.3 |
| 04:00 pm | 63 | Moderate | 15.8 | 34.9 |
| 05:00 pm | 64 | Moderate | 15.9 | 38.1 |
| 06:00 pm | 64 | Moderate | 15.9 | 41.8 |
| 07:00 pm | 64 | Moderate | 16.3 | 47.0 |
| 08:00 pm | 65 | Moderate | 16.7 | 52.9 |
| 09:00 pm | 66 | Moderate | 17.2 | 58.3 |
| 10:00 pm | 67 | Moderate | 17.9 | 65.9 |
| 11:00 pm | 64 | Moderate | 16.0 | 58.7 |
| 12:00 am | 66 | Moderate | 17.2 | 68.0 |
| 01:00 am | 67 | Moderate | 17.8 | 72.9 |
| 02:00 am | 71 | Moderate | 20.0 | 88.5 |
| 03:00 am | 74 | Moderate | 21.2 | 95.5 |
| 04:00 am | 75 | Moderate | 21.8 | 97.1 |
| 05:00 am | 75 | Moderate | 21.9 | 95.2 |
| 06:00 am | 74 | Moderate | 21.7 | 90.1 |
| 07:00 am | 73 | Moderate | 21.0 | 83.1 |
| 08:00 am | 71 | Moderate | 19.8 | 73.1 |
| 09:00 am | 70 | Moderate | 19.1 | 65.9 |
| 10:00 am | 69 | Moderate | 18.5 | 58.4 |
| 11:00 am | 74 | Moderate | 21.6 | 65.4 |
| 12:00 pm | 73 | Moderate | 20.7 | 56.6 |
| 01:00 pm | 71 | Moderate | 19.9 | 49.4 |
| 02:00 pm | 70 | Moderate | 19.4 | 44.1 |
| 03:00 pm | 70 | Moderate | 19.2 | 40.5 |
| 04:00 pm | 70 | Moderate | 19.1 | 38.3 |
| 05:00 pm | 70 | Moderate | 19.2 | 37.3 |
| 06:00 pm | 70 | Moderate | 19.2 | 36.9 |
| 07:00 pm | 70 | Moderate | 19.2 | 38.2 |
| 08:00 pm | 70 | Moderate | 19.2 | 40.3 |
| 09:00 pm | 70 | Moderate | 19.2 | 43.3 |
| 10:00 pm | 70 | Moderate | 19.3 | 47.4 |
| 11:00 pm | 63 | Moderate | 15.3 | 38.2 |
| 12:00 am | 63 | Moderate | 15.8 | 43.3 |
| 01:00 am | 64 | Moderate | 16.3 | 47.1 |
| 02:00 am | 66 | Moderate | 17.3 | 53.4 |
| 03:00 am | 68 | Moderate | 18.2 | 56.8 |
| 04:00 am | 71 | Moderate | 19.6 | 64.0 |
| 05:00 am | 72 | Moderate | 20.3 | 65.7 |
| 06:00 am | 72 | Moderate | 20.3 | 62.4 |
| 07:00 am | 71 | Moderate | 20.0 | 57.0 |
| 08:00 am | 70 | Moderate | 19.4 | 50.8 |
| 09:00 am | 69 | Moderate | 18.9 | 43.9 |
| 10:00 am | 68 | Moderate | 18.4 | 37.8 |
| 11:00 am | 86 | Moderate | 27.9 | 56.0 |
| 12:00 pm | 82 | Moderate | 25.6 | 47.3 |
| 01:00 pm | 78 | Moderate | 23.5 | 42.1 |
| 02:00 pm | 75 | Moderate | 21.8 | 38.8 |
| 03:00 pm | 72 | Moderate | 20.3 | 36.2 |
| 04:00 pm | 70 | Moderate | 19.1 | 34.2 |
| 05:00 pm | 68 | Moderate | 18.2 | 32.9 |
| 06:00 pm | 67 | Moderate | 17.7 | 32.2 |
| 07:00 pm | 66 | Moderate | 17.4 | 32.2 |
| 08:00 pm | 66 | Moderate | 17.2 | 32.5 |
| 09:00 pm | 66 | Moderate | 16.9 | 32.4 |
| 10:00 pm | 65 | Moderate | 16.6 | 32.4 |
| 11:00 pm | 51 | Moderate | 9.3 | 17.4 |
| 12:00 am | 53 | Moderate | 10.4 | 19.7 |
| 01:00 am | 55 | Moderate | 11.2 | 21.2 |
| 02:00 am | 56 | Moderate | 12.0 | 22.9 |
| 03:00 am | 58 | Moderate | 12.9 | 24.6 |
| 04:00 am | 59 | Moderate | 13.5 | 25.8 |
| 05:00 am | 60 | Moderate | 14.1 | 27.0 |
| 06:00 am | 61 | Moderate | 14.5 | 27.6 |
| 07:00 am | 62 | Moderate | 15.0 | 28.6 |
| 08:00 am | 63 | Moderate | 15.5 | 29.7 |
| 09:00 am | 63 | Moderate | 15.7 | 30.0 |
| 10:00 am | 63 | Moderate | 15.7 | 29.6 |
| 11:00 am | 70 | Moderate | 19.2 | 37.8 |
| 12:00 pm | 68 | Moderate | 18.0 | 35.5 |
| 01:00 pm | 66 | Moderate | 17.1 | 33.8 |
| 02:00 pm | 64 | Moderate | 16.0 | 31.2 |
| 03:00 pm | 62 | Moderate | 15.0 | 28.7 |
| 04:00 pm | 60 | Moderate | 13.8 | 26.0 |
| 05:00 pm | 58 | Moderate | 12.7 | 23.6 |
| 06:00 pm | 56 | Moderate | 11.8 | 22.2 |
| 07:00 pm | 55 | Moderate | 11.5 | 22.1 |
| 08:00 pm | 56 | Moderate | 11.6 | 24.0 |
| 09:00 pm | 57 | Moderate | 12.2 | 27.8 |
| 10:00 pm | 58 | Moderate | 13.1 | 33.4 |
| 11:00 pm | 60 | Moderate | 13.8 | 38.6 |
| 12:00 am | 61 | Moderate | 14.4 | 43.9 |
| 01:00 am | 61 | Moderate | 14.6 | 45.8 |
| 02:00 am | 61 | Moderate | 14.4 | 45.2 |
| 03:00 am | 60 | Moderate | 14.0 | 43.5 |
| 04:00 am | 60 | Moderate | 13.9 | 42.7 |
| 05:00 am | 59 | Moderate | 13.4 | 40.2 |