Santa Cruz AQI History
Hourly air quality data for the past 24 hours in Santa Cruz, Libertador General Bernardo O’Higgins.
24-Hour Summary
Average AQI
113
Peak AQI
163
Best AQI
63
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 09:00 pm | 162 | Unhealthy | 71.7 | 73.6 |
| 10:00 pm | 162 | Unhealthy | 71.2 | 73.1 |
| 11:00 pm | 161 | Unhealthy | 69.8 | 71.7 |
| 12:00 am | 160 | Unhealthy | 67.8 | 69.4 |
| 01:00 am | 157 | Unhealthy | 63.8 | 65.4 |
| 02:00 am | 157 | Unhealthy | 64.0 | 65.4 |
| 03:00 am | 158 | Unhealthy | 65.0 | 66.6 |
| 04:00 am | 158 | Unhealthy | 65.2 | 66.6 |
| 05:00 am | 157 | Unhealthy | 64.3 | 65.9 |
| 06:00 am | 157 | Unhealthy | 64.0 | 65.4 |
| 07:00 am | 158 | Unhealthy | 65.9 | 67.3 |
| 08:00 am | 157 | Unhealthy | 64.5 | 65.4 |
| 09:00 am | 158 | Unhealthy | 65.0 | 66.1 |
| 10:00 am | 152 | Unhealthy | 57.2 | 58.2 |
| 11:00 am | 151 | Unhealthy | 55.5 | 56.5 |
| 12:00 pm | 132 | Unhealthy for Sensitive Groups | 48.1 | 48.8 |
| 01:00 pm | 96 | Moderate | 33.3 | 34.0 |
| 02:00 pm | 85 | Moderate | 27.2 | 27.6 |
| 03:00 pm | 78 | Moderate | 23.6 | 24.0 |
| 04:00 pm | 74 | Moderate | 21.2 | 21.6 |
| 05:00 pm | 77 | Moderate | 23.1 | 23.5 |
| 06:00 pm | 88 | Moderate | 28.7 | 29.0 |
| 07:00 pm | 94 | Moderate | 32.4 | 33.4 |
| 08:00 pm | 90 | Moderate | 30.2 | 30.6 |
| 09:00 pm | 95 | Moderate | 32.8 | 33.4 |
| 10:00 pm | 92 | Moderate | 31.3 | 31.7 |
| 11:00 pm | 92 | Moderate | 31.0 | 31.4 |
| 12:00 am | 92 | Moderate | 30.9 | 31.2 |
| 01:00 am | 89 | Moderate | 29.7 | 30.3 |
| 02:00 am | 86 | Moderate | 28.0 | 28.8 |
| 03:00 am | 82 | Moderate | 26.0 | 26.9 |
| 04:00 am | 79 | Moderate | 24.2 | 25.4 |
| 05:00 am | 77 | Moderate | 23.2 | 24.7 |
| 06:00 am | 77 | Moderate | 23.1 | 24.7 |
| 07:00 am | 79 | Moderate | 23.9 | 25.7 |
| 08:00 am | 78 | Moderate | 23.4 | 24.0 |
| 09:00 am | 88 | Moderate | 28.9 | 29.6 |
| 10:00 am | 84 | Moderate | 26.9 | 27.6 |
| 11:00 am | 81 | Moderate | 25.4 | 25.8 |
| 12:00 pm | 80 | Moderate | 24.6 | 25.1 |
| 01:00 pm | 78 | Moderate | 23.7 | 24.9 |
| 02:00 pm | 77 | Moderate | 22.9 | 24.5 |
| 03:00 pm | 80 | Moderate | 24.6 | 26.1 |
| 04:00 pm | 85 | Moderate | 27.6 | 29.0 |
| 05:00 pm | 98 | Moderate | 34.2 | 35.6 |
| 06:00 pm | 112 | Unhealthy for Sensitive Groups | 39.9 | 41.2 |
| 07:00 pm | 125 | Unhealthy for Sensitive Groups | 45.2 | 46.8 |
| 08:00 pm | 128 | Unhealthy for Sensitive Groups | 46.3 | 48.5 |
| 09:00 pm | 129 | Unhealthy for Sensitive Groups | 47.0 | 49.6 |
| 10:00 pm | 130 | Unhealthy for Sensitive Groups | 47.1 | 49.7 |
| 11:00 pm | 128 | Unhealthy for Sensitive Groups | 46.4 | 49.0 |
| 12:00 am | 124 | Unhealthy for Sensitive Groups | 44.8 | 47.4 |
| 01:00 am | 118 | Unhealthy for Sensitive Groups | 42.5 | 44.9 |
| 02:00 am | 110 | Unhealthy for Sensitive Groups | 39.3 | 41.7 |
| 03:00 am | 106 | Unhealthy for Sensitive Groups | 37.6 | 39.8 |
| 04:00 am | 104 | Unhealthy for Sensitive Groups | 36.6 | 38.6 |
| 05:00 am | 102 | Unhealthy for Sensitive Groups | 36.1 | 38.1 |
| 06:00 am | 102 | Unhealthy for Sensitive Groups | 36.0 | 38.0 |
| 07:00 am | 105 | Unhealthy for Sensitive Groups | 37.0 | 38.9 |
| 08:00 am | 70 | Moderate | 19.4 | 19.4 |
| 09:00 am | 75 | Moderate | 22.1 | 22.2 |
| 10:00 am | 79 | Moderate | 24.3 | 24.7 |
| 11:00 am | 75 | Moderate | 22.2 | 22.9 |
| 12:00 pm | 77 | Moderate | 23.1 | 23.6 |
| 01:00 pm | 78 | Moderate | 23.5 | 23.9 |
| 02:00 pm | 78 | Moderate | 23.5 | 23.7 |
| 03:00 pm | 80 | Moderate | 24.6 | 24.8 |
| 04:00 pm | 85 | Moderate | 27.5 | 27.6 |
| 05:00 pm | 94 | Moderate | 32.4 | 32.5 |
| 06:00 pm | 109 | Unhealthy for Sensitive Groups | 38.8 | 38.9 |
| 07:00 pm | 125 | Unhealthy for Sensitive Groups | 45.4 | 45.5 |
| 08:00 pm | 145 | Unhealthy for Sensitive Groups | 53.4 | 53.7 |
| 09:00 pm | 157 | Unhealthy | 64.3 | 64.3 |
| 10:00 pm | 160 | Unhealthy | 68.7 | 68.7 |
| 11:00 pm | 159 | Unhealthy | 66.6 | 66.6 |
| 12:00 am | 159 | Unhealthy | 67.3 | 67.5 |
| 01:00 am | 159 | Unhealthy | 66.4 | 66.4 |
| 02:00 am | 159 | Unhealthy | 66.8 | 67.1 |
| 03:00 am | 159 | Unhealthy | 66.8 | 67.1 |
| 04:00 am | 158 | Unhealthy | 65.4 | 65.7 |
| 05:00 am | 156 | Unhealthy | 63.3 | 63.6 |
| 06:00 am | 156 | Unhealthy | 62.4 | 62.6 |
| 07:00 am | 155 | Unhealthy | 61.9 | 62.4 |
| 08:00 am | 157 | Unhealthy | 63.6 | 63.8 |
| 09:00 am | 161 | Unhealthy | 70.3 | 70.8 |
| 10:00 am | 139 | Unhealthy for Sensitive Groups | 50.8 | 51.3 |
| 11:00 am | 105 | Unhealthy for Sensitive Groups | 37.0 | 37.7 |
| 12:00 pm | 99 | Moderate | 34.6 | 35.4 |
| 01:00 pm | 89 | Moderate | 29.5 | 30.4 |
| 02:00 pm | 84 | Moderate | 27.0 | 27.9 |
| 03:00 pm | 81 | Moderate | 25.2 | 26.0 |
| 04:00 pm | 79 | Moderate | 24.3 | 25.1 |
| 05:00 pm | 79 | Moderate | 24.3 | 25.1 |
| 06:00 pm | 86 | Moderate | 27.7 | 28.3 |
| 07:00 pm | 87 | Moderate | 28.4 | 29.0 |
| 08:00 pm | 98 | Moderate | 34.2 | 34.8 |
| 09:00 pm | 128 | Unhealthy for Sensitive Groups | 46.3 | 46.9 |
| 10:00 pm | 124 | Unhealthy for Sensitive Groups | 44.8 | 45.3 |
| 11:00 pm | 116 | Unhealthy for Sensitive Groups | 41.4 | 41.8 |
| 12:00 am | 103 | Unhealthy for Sensitive Groups | 36.2 | 36.6 |
| 01:00 am | 94 | Moderate | 32.0 | 32.5 |
| 02:00 am | 82 | Moderate | 25.8 | 26.3 |
| 03:00 am | 80 | Moderate | 24.7 | 25.3 |
| 04:00 am | 79 | Moderate | 24.0 | 24.6 |
| 05:00 am | 78 | Moderate | 23.4 | 23.9 |
| 06:00 am | 79 | Moderate | 24.3 | 24.9 |
| 07:00 am | 83 | Moderate | 26.1 | 26.7 |
| 08:00 am | 87 | Moderate | 28.4 | 29.0 |
| 09:00 am | 90 | Moderate | 29.9 | 30.6 |
| 10:00 am | 76 | Moderate | 22.5 | 23.5 |
| 11:00 am | 74 | Moderate | 21.4 | 22.2 |
| 12:00 pm | 65 | Moderate | 16.8 | 17.9 |
| 01:00 pm | 65 | Moderate | 16.8 | 18.0 |
| 02:00 pm | 63 | Moderate | 15.3 | 16.5 |
| 03:00 pm | 63 | Moderate | 15.7 | 16.9 |
| 04:00 pm | 64 | Moderate | 16.1 | 17.2 |
| 05:00 pm | 66 | Moderate | 16.9 | 18.0 |
| 06:00 pm | 75 | Moderate | 21.9 | 22.8 |
| 07:00 pm | 86 | Moderate | 27.7 | 28.5 |
| 08:00 pm | 116 | Unhealthy for Sensitive Groups | 41.4 | 43.0 |
| 09:00 pm | 124 | Unhealthy for Sensitive Groups | 44.8 | 46.3 |
| 10:00 pm | 123 | Unhealthy for Sensitive Groups | 44.5 | 46.0 |
| 11:00 pm | 121 | Unhealthy for Sensitive Groups | 43.8 | 45.5 |
| 12:00 am | 126 | Unhealthy for Sensitive Groups | 45.5 | 47.3 |
| 01:00 am | 128 | Unhealthy for Sensitive Groups | 46.6 | 48.3 |
| 02:00 am | 131 | Unhealthy for Sensitive Groups | 47.7 | 49.5 |
| 03:00 am | 134 | Unhealthy for Sensitive Groups | 49.1 | 50.6 |
| 04:00 am | 137 | Unhealthy for Sensitive Groups | 50.3 | 51.7 |
| 05:00 am | 140 | Unhealthy for Sensitive Groups | 51.5 | 52.9 |
| 06:00 am | 141 | Unhealthy for Sensitive Groups | 51.6 | 53.0 |
| 07:00 am | 145 | Unhealthy for Sensitive Groups | 53.4 | 54.8 |
| 08:00 am | 154 | Unhealthy | 59.5 | 60.3 |
| 09:00 am | 159 | Unhealthy | 66.6 | 67.3 |
| 10:00 am | 157 | Unhealthy | 64.7 | 65.4 |
| 11:00 am | 154 | Unhealthy | 59.3 | 60.3 |
| 12:00 pm | 153 | Unhealthy | 57.7 | 58.8 |
| 01:00 pm | 147 | Unhealthy for Sensitive Groups | 54.0 | 55.1 |
| 02:00 pm | 137 | Unhealthy for Sensitive Groups | 50.2 | 51.3 |
| 03:00 pm | 127 | Unhealthy for Sensitive Groups | 46.0 | 47.1 |
| 04:00 pm | 121 | Unhealthy for Sensitive Groups | 43.5 | 44.7 |
| 05:00 pm | 122 | Unhealthy for Sensitive Groups | 44.0 | 45.2 |
| 06:00 pm | 130 | Unhealthy for Sensitive Groups | 47.4 | 48.5 |
| 07:00 pm | 132 | Unhealthy for Sensitive Groups | 48.2 | 49.5 |
| 08:00 pm | 158 | Unhealthy | 65.9 | 67.5 |
| 09:00 pm | 163 | Unhealthy | 72.4 | 73.8 |
| 10:00 pm | 159 | Unhealthy | 67.1 | 68.5 |
| 11:00 pm | 160 | Unhealthy | 68.0 | 69.2 |
| 12:00 am | 160 | Unhealthy | 68.9 | 70.1 |
| 01:00 am | 160 | Unhealthy | 68.7 | 69.8 |
| 02:00 am | 158 | Unhealthy | 66.1 | 67.3 |
| 03:00 am | 156 | Unhealthy | 62.9 | 63.8 |
| 04:00 am | 154 | Unhealthy | 59.8 | 60.8 |
| 05:00 am | 152 | Unhealthy | 56.5 | 57.4 |
| 06:00 am | 145 | Unhealthy for Sensitive Groups | 53.3 | 54.2 |
| 07:00 am | 141 | Unhealthy for Sensitive Groups | 51.6 | 52.4 |
| 08:00 am | 115 | Unhealthy for Sensitive Groups | 41.2 | 41.9 |
| 09:00 am | 121 | Unhealthy for Sensitive Groups | 43.7 | 45.2 |
| 10:00 am | 109 | Unhealthy for Sensitive Groups | 38.9 | 40.4 |
| 11:00 am | 95 | Moderate | 32.9 | 34.3 |
| 12:00 pm | 83 | Moderate | 26.4 | 27.5 |
| 01:00 pm | 72 | Moderate | 20.5 | 21.5 |
| 02:00 pm | 67 | Moderate | 17.6 | 18.5 |
| 03:00 pm | 66 | Moderate | 16.9 | 17.6 |
| 04:00 pm | 67 | Moderate | 17.5 | 18.0 |
| 05:00 pm | 66 | Moderate | 17.3 | 17.8 |
| 06:00 pm | 69 | Moderate | 18.9 | 19.4 |
| 07:00 pm | 73 | Moderate | 20.7 | 21.1 |
| 08:00 pm | 76 | Moderate | 22.5 | 22.9 |