Longtangwan AQI History
Hourly air quality data for the past 24 hours in Longtangwan, Hunan.
24-Hour Summary
Average AQI
99
Peak AQI
183
Best AQI
55
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 10:00 am | 61 | Moderate | 14.6 | 15.2 |
| 11:00 am | 59 | Moderate | 13.2 | 13.8 |
| 12:00 pm | 59 | Moderate | 13.5 | 14.0 |
| 01:00 pm | 60 | Moderate | 13.9 | 14.4 |
| 02:00 pm | 61 | Moderate | 14.7 | 15.3 |
| 03:00 pm | 72 | Moderate | 20.3 | 21.0 |
| 04:00 pm | 69 | Moderate | 18.6 | 19.4 |
| 05:00 pm | 68 | Moderate | 18.1 | 18.8 |
| 06:00 pm | 68 | Moderate | 18.3 | 19.1 |
| 07:00 pm | 71 | Moderate | 19.6 | 20.3 |
| 08:00 pm | 96 | Moderate | 33.1 | 34.7 |
| 09:00 pm | 99 | Moderate | 34.9 | 36.7 |
| 10:00 pm | 104 | Unhealthy for Sensitive Groups | 36.7 | 38.6 |
| 11:00 pm | 100 | Moderate | 35.4 | 37.5 |
| 12:00 am | 98 | Moderate | 34.1 | 36.4 |
| 01:00 am | 104 | Unhealthy for Sensitive Groups | 36.9 | 39.7 |
| 02:00 am | 104 | Unhealthy for Sensitive Groups | 36.9 | 40.4 |
| 03:00 am | 106 | Unhealthy for Sensitive Groups | 37.4 | 42.4 |
| 04:00 am | 93 | Moderate | 31.7 | 38.1 |
| 05:00 am | 90 | Moderate | 30.0 | 38.1 |
| 06:00 am | 86 | Moderate | 27.8 | 37.0 |
| 07:00 am | 83 | Moderate | 26.4 | 40.5 |
| 08:00 am | 81 | Moderate | 25.1 | 41.8 |
| 09:00 am | 83 | Moderate | 26.1 | 44.7 |
| 10:00 am | 85 | Moderate | 27.4 | 48.1 |
| 11:00 am | 87 | Moderate | 28.5 | 48.2 |
| 12:00 pm | 90 | Moderate | 30.2 | 49.4 |
| 01:00 pm | 82 | Moderate | 25.8 | 43.3 |
| 02:00 pm | 81 | Moderate | 25.1 | 41.0 |
| 03:00 pm | 79 | Moderate | 24.2 | 38.5 |
| 04:00 pm | 79 | Moderate | 24.1 | 38.3 |
| 05:00 pm | 78 | Moderate | 23.5 | 37.8 |
| 06:00 pm | 78 | Moderate | 23.5 | 37.8 |
| 07:00 pm | 77 | Moderate | 23.2 | 36.7 |
| 08:00 pm | 85 | Moderate | 27.5 | 48.3 |
| 09:00 pm | 89 | Moderate | 29.6 | 54.8 |
| 10:00 pm | 93 | Moderate | 31.7 | 61.5 |
| 11:00 pm | 96 | Moderate | 33.1 | 66.4 |
| 12:00 am | 94 | Moderate | 32.4 | 65.9 |
| 01:00 am | 95 | Moderate | 32.7 | 66.8 |
| 02:00 am | 95 | Moderate | 32.7 | 66.6 |
| 03:00 am | 95 | Moderate | 32.8 | 67.1 |
| 04:00 am | 95 | Moderate | 32.9 | 67.5 |
| 05:00 am | 95 | Moderate | 32.8 | 66.1 |
| 06:00 am | 116 | Unhealthy for Sensitive Groups | 41.6 | 82.9 |
| 07:00 am | 119 | Unhealthy for Sensitive Groups | 42.7 | 85.9 |
| 08:00 am | 102 | Unhealthy for Sensitive Groups | 35.9 | 79.2 |
| 09:00 am | 101 | Unhealthy for Sensitive Groups | 35.7 | 78.0 |
| 10:00 am | 100 | Moderate | 35.2 | 76.8 |
| 11:00 am | 99 | Moderate | 34.9 | 75.4 |
| 12:00 pm | 97 | Moderate | 33.6 | 71.5 |
| 01:00 pm | 90 | Moderate | 30.2 | 61.7 |
| 02:00 pm | 83 | Moderate | 26.5 | 53.6 |
| 03:00 pm | 80 | Moderate | 24.7 | 49.5 |
| 04:00 pm | 78 | Moderate | 23.6 | 46.9 |
| 05:00 pm | 77 | Moderate | 23.1 | 45.6 |
| 06:00 pm | 77 | Moderate | 23.2 | 45.6 |
| 07:00 pm | 86 | Moderate | 28.1 | 48.5 |
| 08:00 pm | 96 | Moderate | 33.1 | 54.5 |
| 09:00 pm | 114 | Unhealthy for Sensitive Groups | 40.6 | 62.9 |
| 10:00 pm | 129 | Unhealthy for Sensitive Groups | 46.8 | 69.6 |
| 11:00 pm | 141 | Unhealthy for Sensitive Groups | 51.9 | 75.4 |
| 12:00 am | 151 | Unhealthy | 55.6 | 79.6 |
| 01:00 am | 153 | Unhealthy | 58.2 | 82.7 |
| 02:00 am | 155 | Unhealthy | 60.5 | 85.2 |
| 03:00 am | 156 | Unhealthy | 62.2 | 87.3 |
| 04:00 am | 157 | Unhealthy | 63.6 | 88.7 |
| 05:00 am | 159 | Unhealthy | 66.6 | 92.0 |
| 06:00 am | 160 | Unhealthy | 68.9 | 94.5 |
| 07:00 am | 158 | Unhealthy | 66.1 | 88.2 |
| 08:00 am | 97 | Moderate | 33.6 | 48.1 |
| 09:00 am | 96 | Moderate | 33.5 | 48.1 |
| 10:00 am | 89 | Moderate | 29.5 | 41.7 |
| 11:00 am | 73 | Moderate | 20.8 | 30.0 |
| 12:00 pm | 70 | Moderate | 19.3 | 27.4 |
| 01:00 pm | 72 | Moderate | 20.4 | 28.2 |
| 02:00 pm | 73 | Moderate | 20.7 | 27.9 |
| 03:00 pm | 75 | Moderate | 22.0 | 29.0 |
| 04:00 pm | 74 | Moderate | 21.2 | 27.5 |
| 05:00 pm | 73 | Moderate | 20.9 | 26.8 |
| 06:00 pm | 73 | Moderate | 21.1 | 26.7 |
| 07:00 pm | 82 | Moderate | 25.9 | 30.9 |
| 08:00 pm | 93 | Moderate | 31.8 | 35.7 |
| 09:00 pm | 111 | Unhealthy for Sensitive Groups | 39.5 | 43.7 |
| 10:00 pm | 126 | Unhealthy for Sensitive Groups | 45.8 | 50.1 |
| 11:00 pm | 140 | Unhealthy for Sensitive Groups | 51.2 | 55.6 |
| 12:00 am | 150 | Unhealthy for Sensitive Groups | 55.3 | 59.8 |
| 01:00 am | 153 | Unhealthy | 57.9 | 62.4 |
| 02:00 am | 154 | Unhealthy | 59.1 | 63.8 |
| 03:00 am | 154 | Unhealthy | 59.4 | 64.0 |
| 04:00 am | 154 | Unhealthy | 59.1 | 63.8 |
| 05:00 am | 153 | Unhealthy | 58.9 | 63.6 |
| 06:00 am | 154 | Unhealthy | 59.8 | 64.5 |
| 07:00 am | 154 | Unhealthy | 60.1 | 64.0 |
| 08:00 am | 96 | Moderate | 33.3 | 36.6 |
| 09:00 am | 79 | Moderate | 24.2 | 26.7 |
| 10:00 am | 64 | Moderate | 16.0 | 18.2 |
| 11:00 am | 59 | Moderate | 13.6 | 15.4 |
| 12:00 pm | 57 | Moderate | 12.4 | 14.1 |
| 01:00 pm | 56 | Moderate | 12.0 | 13.6 |
| 02:00 pm | 56 | Moderate | 11.8 | 13.1 |
| 03:00 pm | 55 | Moderate | 11.5 | 12.7 |
| 04:00 pm | 55 | Moderate | 11.3 | 12.3 |
| 05:00 pm | 55 | Moderate | 11.1 | 11.9 |
| 06:00 pm | 57 | Moderate | 12.4 | 13.1 |
| 07:00 pm | 63 | Moderate | 15.5 | 16.1 |
| 08:00 pm | 69 | Moderate | 18.9 | 19.7 |
| 09:00 pm | 71 | Moderate | 20.0 | 20.7 |
| 10:00 pm | 81 | Moderate | 25.4 | 26.2 |
| 11:00 pm | 96 | Moderate | 33.1 | 33.9 |
| 12:00 am | 108 | Unhealthy for Sensitive Groups | 38.5 | 39.3 |
| 01:00 am | 120 | Unhealthy for Sensitive Groups | 43.1 | 43.8 |
| 02:00 am | 129 | Unhealthy for Sensitive Groups | 46.7 | 47.5 |
| 03:00 am | 135 | Unhealthy for Sensitive Groups | 49.4 | 50.1 |
| 04:00 am | 140 | Unhealthy for Sensitive Groups | 51.5 | 52.2 |
| 05:00 am | 145 | Unhealthy for Sensitive Groups | 53.2 | 53.9 |
| 06:00 am | 148 | Unhealthy for Sensitive Groups | 54.7 | 55.5 |
| 07:00 am | 142 | Unhealthy for Sensitive Groups | 52.2 | 53.0 |
| 08:00 am | 121 | Unhealthy for Sensitive Groups | 43.8 | 45.3 |
| 09:00 am | 111 | Unhealthy for Sensitive Groups | 39.5 | 41.9 |
| 10:00 am | 94 | Moderate | 32.1 | 35.0 |
| 11:00 am | 86 | Moderate | 27.8 | 31.0 |
| 12:00 pm | 87 | Moderate | 28.3 | 32.0 |
| 01:00 pm | 88 | Moderate | 28.7 | 32.6 |
| 02:00 pm | 88 | Moderate | 28.9 | 32.5 |
| 03:00 pm | 87 | Moderate | 28.4 | 31.7 |
| 04:00 pm | 89 | Moderate | 29.6 | 32.8 |
| 05:00 pm | 91 | Moderate | 30.5 | 33.4 |
| 06:00 pm | 93 | Moderate | 31.4 | 33.6 |
| 07:00 pm | 104 | Unhealthy for Sensitive Groups | 36.9 | 38.8 |
| 08:00 pm | 151 | Unhealthy | 56.2 | 60.1 |
| 09:00 pm | 158 | Unhealthy | 66.1 | 70.1 |
| 10:00 pm | 169 | Unhealthy | 81.5 | 85.4 |
| 11:00 pm | 180 | Unhealthy | 96.4 | 100.4 |
| 12:00 am | 183 | Unhealthy | 100.6 | 103.8 |
| 01:00 am | 171 | Unhealthy | 84.5 | 87.3 |
| 02:00 am | 139 | Unhealthy for Sensitive Groups | 50.8 | 52.7 |
| 03:00 am | 110 | Unhealthy for Sensitive Groups | 39.0 | 40.5 |
| 04:00 am | 102 | Unhealthy for Sensitive Groups | 36.1 | 37.6 |
| 05:00 am | 99 | Moderate | 34.7 | 35.9 |
| 06:00 am | 102 | Unhealthy for Sensitive Groups | 35.9 | 37.1 |
| 07:00 am | 75 | Moderate | 21.9 | 22.6 |
| 08:00 am | 97 | Moderate | 33.9 | 35.6 |
| 09:00 am | 114 | Unhealthy for Sensitive Groups | 40.6 | 42.6 |
| 10:00 am | 101 | Unhealthy for Sensitive Groups | 35.7 | 37.3 |
| 11:00 am | 103 | Unhealthy for Sensitive Groups | 36.4 | 37.7 |
| 12:00 pm | 103 | Unhealthy for Sensitive Groups | 36.2 | 37.4 |
| 01:00 pm | 96 | Moderate | 33.5 | 34.5 |
| 02:00 pm | 96 | Moderate | 33.2 | 34.0 |
| 03:00 pm | 92 | Moderate | 31.0 | 31.8 |
| 04:00 pm | 84 | Moderate | 27.0 | 27.4 |
| 05:00 pm | 86 | Moderate | 27.8 | 28.2 |
| 06:00 pm | 91 | Moderate | 30.7 | 31.2 |
| 07:00 pm | 98 | Moderate | 34.3 | 34.8 |
| 08:00 pm | 92 | Moderate | 31.0 | 31.4 |
| 09:00 pm | 95 | Moderate | 32.7 | 33.2 |
| 10:00 pm | 99 | Moderate | 34.9 | 35.4 |
| 11:00 pm | 70 | Moderate | 19.3 | 19.5 |
| 12:00 am | 67 | Moderate | 17.6 | 17.8 |
| 01:00 am | 65 | Moderate | 16.5 | 16.6 |
| 02:00 am | 67 | Moderate | 17.6 | 17.8 |
| 03:00 am | 69 | Moderate | 18.6 | 18.8 |
| 04:00 am | 73 | Moderate | 20.8 | 21.0 |
| 05:00 am | 74 | Moderate | 21.7 | 21.8 |
| 06:00 am | 78 | Moderate | 23.6 | 23.8 |
| 07:00 am | 83 | Moderate | 26.5 | 26.7 |
| 08:00 am | 81 | Moderate | 25.4 | 25.8 |
| 09:00 am | 66 | Moderate | 17.2 | 17.8 |