Zhoushan AQI History
Hourly air quality data for the past 24 hours in Zhoushan, Zhejiang.
24-Hour Summary
Average AQI
75
Peak AQI
128
Best AQI
33
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 04:00 pm | 115 | Unhealthy for Sensitive Groups | 41.2 | 42.1 |
| 05:00 pm | 107 | Unhealthy for Sensitive Groups | 38.1 | 39.0 |
| 06:00 pm | 94 | Moderate | 32.4 | 33.3 |
| 07:00 pm | 87 | Moderate | 28.5 | 29.3 |
| 08:00 pm | 84 | Moderate | 27.0 | 27.7 |
| 09:00 pm | 78 | Moderate | 23.8 | 24.4 |
| 10:00 pm | 76 | Moderate | 22.4 | 23.0 |
| 11:00 pm | 75 | Moderate | 22.2 | 22.9 |
| 12:00 am | 76 | Moderate | 22.6 | 23.8 |
| 01:00 am | 80 | Moderate | 24.4 | 26.8 |
| 02:00 am | 83 | Moderate | 26.3 | 30.2 |
| 03:00 am | 87 | Moderate | 28.6 | 34.5 |
| 04:00 am | 91 | Moderate | 30.7 | 39.0 |
| 05:00 am | 94 | Moderate | 32.1 | 43.0 |
| 06:00 am | 94 | Moderate | 32.1 | 45.9 |
| 07:00 am | 94 | Moderate | 32.4 | 49.1 |
| 08:00 am | 103 | Unhealthy for Sensitive Groups | 36.4 | 56.5 |
| 09:00 am | 101 | Unhealthy for Sensitive Groups | 35.6 | 56.7 |
| 10:00 am | 104 | Unhealthy for Sensitive Groups | 36.9 | 60.5 |
| 11:00 am | 110 | Unhealthy for Sensitive Groups | 39.2 | 65.7 |
| 12:00 pm | 118 | Unhealthy for Sensitive Groups | 42.3 | 71.2 |
| 01:00 pm | 125 | Unhealthy for Sensitive Groups | 45.1 | 75.9 |
| 02:00 pm | 128 | Unhealthy for Sensitive Groups | 46.6 | 77.1 |
| 03:00 pm | 124 | Unhealthy for Sensitive Groups | 44.7 | 72.6 |
| 04:00 pm | 112 | Unhealthy for Sensitive Groups | 39.9 | 62.9 |
| 05:00 pm | 98 | Moderate | 34.1 | 52.0 |
| 06:00 pm | 88 | Moderate | 29.1 | 43.3 |
| 07:00 pm | 82 | Moderate | 25.6 | 37.1 |
| 08:00 pm | 80 | Moderate | 24.5 | 36.1 |
| 09:00 pm | 77 | Moderate | 23.3 | 33.5 |
| 10:00 pm | 77 | Moderate | 23.2 | 33.1 |
| 11:00 pm | 77 | Moderate | 23.2 | 33.1 |
| 12:00 am | 76 | Moderate | 22.7 | 32.4 |
| 01:00 am | 75 | Moderate | 21.8 | 31.1 |
| 02:00 am | 73 | Moderate | 20.9 | 29.9 |
| 03:00 am | 71 | Moderate | 19.7 | 28.3 |
| 04:00 am | 69 | Moderate | 18.9 | 27.1 |
| 05:00 am | 68 | Moderate | 18.4 | 26.4 |
| 06:00 am | 66 | Moderate | 17.3 | 24.9 |
| 07:00 am | 65 | Moderate | 16.7 | 23.8 |
| 08:00 am | 62 | Moderate | 14.8 | 21.1 |
| 09:00 am | 63 | Moderate | 15.7 | 22.4 |
| 10:00 am | 66 | Moderate | 17.0 | 24.3 |
| 11:00 am | 69 | Moderate | 18.6 | 26.6 |
| 12:00 pm | 71 | Moderate | 19.7 | 28.5 |
| 01:00 pm | 72 | Moderate | 20.5 | 29.8 |
| 02:00 pm | 73 | Moderate | 21.0 | 30.6 |
| 03:00 pm | 74 | Moderate | 21.2 | 31.0 |
| 04:00 pm | 73 | Moderate | 21.1 | 30.7 |
| 05:00 pm | 73 | Moderate | 20.7 | 29.9 |
| 06:00 pm | 72 | Moderate | 20.3 | 29.2 |
| 07:00 pm | 70 | Moderate | 19.5 | 28.1 |
| 08:00 pm | 73 | Moderate | 20.7 | 31.0 |
| 09:00 pm | 72 | Moderate | 20.5 | 30.6 |
| 10:00 pm | 73 | Moderate | 20.9 | 31.2 |
| 11:00 pm | 73 | Moderate | 21.0 | 31.4 |
| 12:00 am | 74 | Moderate | 21.2 | 31.7 |
| 01:00 am | 74 | Moderate | 21.4 | 32.0 |
| 02:00 am | 74 | Moderate | 21.5 | 32.4 |
| 03:00 am | 74 | Moderate | 21.7 | 32.6 |
| 04:00 am | 75 | Moderate | 22.1 | 33.2 |
| 05:00 am | 76 | Moderate | 22.6 | 33.9 |
| 06:00 am | 76 | Moderate | 22.4 | 33.4 |
| 07:00 am | 77 | Moderate | 23.2 | 34.6 |
| 08:00 am | 75 | Moderate | 21.9 | 31.9 |
| 09:00 am | 77 | Moderate | 22.9 | 33.1 |
| 10:00 am | 79 | Moderate | 23.9 | 34.5 |
| 11:00 am | 80 | Moderate | 24.4 | 35.3 |
| 12:00 pm | 81 | Moderate | 25.1 | 36.4 |
| 01:00 pm | 81 | Moderate | 25.4 | 37.0 |
| 02:00 pm | 82 | Moderate | 25.6 | 37.4 |
| 03:00 pm | 81 | Moderate | 25.0 | 36.6 |
| 04:00 pm | 79 | Moderate | 24.0 | 35.0 |
| 05:00 pm | 77 | Moderate | 22.9 | 33.2 |
| 06:00 pm | 74 | Moderate | 21.5 | 31.2 |
| 07:00 pm | 73 | Moderate | 20.8 | 29.9 |
| 08:00 pm | 67 | Moderate | 17.9 | 25.7 |
| 09:00 pm | 67 | Moderate | 17.9 | 25.7 |
| 10:00 pm | 67 | Moderate | 17.7 | 25.4 |
| 11:00 pm | 67 | Moderate | 17.7 | 25.4 |
| 12:00 am | 67 | Moderate | 17.9 | 25.8 |
| 01:00 am | 67 | Moderate | 17.8 | 25.8 |
| 02:00 am | 67 | Moderate | 17.7 | 25.7 |
| 03:00 am | 66 | Moderate | 17.1 | 24.6 |
| 04:00 am | 66 | Moderate | 16.9 | 24.2 |
| 05:00 am | 63 | Moderate | 15.8 | 22.5 |
| 06:00 am | 63 | Moderate | 15.3 | 21.4 |
| 07:00 am | 63 | Moderate | 15.7 | 21.7 |
| 08:00 am | 71 | Moderate | 19.6 | 27.5 |
| 09:00 am | 69 | Moderate | 18.9 | 26.7 |
| 10:00 am | 69 | Moderate | 18.6 | 26.0 |
| 11:00 am | 68 | Moderate | 18.2 | 25.3 |
| 12:00 pm | 66 | Moderate | 17.1 | 23.6 |
| 01:00 pm | 65 | Moderate | 16.4 | 22.6 |
| 02:00 pm | 65 | Moderate | 16.6 | 23.0 |
| 03:00 pm | 66 | Moderate | 17.3 | 23.8 |
| 04:00 pm | 67 | Moderate | 17.5 | 23.9 |
| 05:00 pm | 65 | Moderate | 16.6 | 22.7 |
| 06:00 pm | 61 | Moderate | 14.5 | 19.9 |
| 07:00 pm | 58 | Moderate | 12.7 | 17.5 |
| 08:00 pm | 54 | Moderate | 10.7 | 13.7 |
| 09:00 pm | 51 | Moderate | 9.3 | 11.9 |
| 10:00 pm | 46 | Good | 8.2 | 10.7 |
| 11:00 pm | 50 | Good | 9.0 | 11.6 |
| 12:00 am | 53 | Moderate | 10.1 | 13.1 |
| 01:00 am | 54 | Moderate | 10.7 | 14.2 |
| 02:00 am | 55 | Moderate | 11.4 | 15.0 |
| 03:00 am | 56 | Moderate | 11.8 | 15.1 |
| 04:00 am | 55 | Moderate | 11.2 | 14.1 |
| 05:00 am | 54 | Moderate | 10.5 | 13.0 |
| 06:00 am | 53 | Moderate | 10.0 | 12.5 |
| 07:00 am | 53 | Moderate | 10.1 | 12.4 |
| 08:00 am | 33 | Good | 6.0 | 8.0 |
| 09:00 am | 49 | Good | 8.8 | 11.4 |
| 10:00 am | 56 | Moderate | 11.9 | 15.2 |
| 11:00 am | 63 | Moderate | 15.3 | 19.3 |
| 12:00 pm | 73 | Moderate | 21.0 | 26.0 |
| 01:00 pm | 78 | Moderate | 23.4 | 29.0 |
| 02:00 pm | 79 | Moderate | 24.3 | 29.9 |
| 03:00 pm | 81 | Moderate | 25.4 | 31.3 |
| 04:00 pm | 74 | Moderate | 21.5 | 28.6 |
| 05:00 pm | 67 | Moderate | 17.9 | 24.3 |
| 06:00 pm | 63 | Moderate | 15.7 | 22.1 |
| 07:00 pm | 63 | Moderate | 15.4 | 21.7 |
| 08:00 pm | 58 | Moderate | 13.0 | 20.2 |
| 09:00 pm | 59 | Moderate | 13.4 | 19.9 |
| 10:00 pm | 63 | Moderate | 15.3 | 22.3 |
| 11:00 pm | 66 | Moderate | 17.1 | 24.2 |
| 12:00 am | 67 | Moderate | 17.9 | 24.8 |
| 01:00 am | 69 | Moderate | 18.9 | 25.5 |
| 02:00 am | 70 | Moderate | 19.1 | 25.6 |
| 03:00 am | 68 | Moderate | 18.2 | 24.6 |
| 04:00 am | 65 | Moderate | 16.8 | 22.9 |
| 05:00 am | 63 | Moderate | 15.4 | 21.1 |
| 06:00 am | 62 | Moderate | 14.8 | 20.1 |
| 07:00 am | 63 | Moderate | 15.3 | 20.3 |
| 08:00 am | 63 | Moderate | 15.5 | 20.1 |
| 09:00 am | 66 | Moderate | 17.0 | 21.9 |
| 10:00 am | 69 | Moderate | 18.9 | 24.6 |
| 11:00 am | 73 | Moderate | 20.8 | 27.7 |
| 12:00 pm | 77 | Moderate | 23.2 | 31.4 |
| 01:00 pm | 81 | Moderate | 25.0 | 34.0 |
| 02:00 pm | 82 | Moderate | 26.0 | 34.9 |
| 03:00 pm | 83 | Moderate | 26.1 | 34.0 |
| 04:00 pm | 81 | Moderate | 25.1 | 29.7 |
| 05:00 pm | 81 | Moderate | 25.0 | 27.8 |
| 06:00 pm | 77 | Moderate | 23.1 | 24.4 |
| 07:00 pm | 71 | Moderate | 20.0 | 21.6 |
| 08:00 pm | 87 | Moderate | 28.5 | 32.8 |
| 09:00 pm | 84 | Moderate | 26.6 | 30.7 |
| 10:00 pm | 78 | Moderate | 23.6 | 27.9 |
| 11:00 pm | 75 | Moderate | 21.8 | 26.2 |
| 12:00 am | 73 | Moderate | 21.1 | 25.3 |
| 01:00 am | 71 | Moderate | 20.1 | 24.0 |
| 02:00 am | 69 | Moderate | 18.5 | 22.9 |
| 03:00 am | 67 | Moderate | 17.8 | 22.4 |
| 04:00 am | 65 | Moderate | 16.7 | 20.7 |
| 05:00 am | 66 | Moderate | 17.2 | 19.9 |
| 06:00 am | 74 | Moderate | 21.5 | 23.6 |
| 07:00 am | 82 | Moderate | 25.5 | 26.6 |
| 08:00 am | 86 | Moderate | 27.7 | 28.4 |
| 09:00 am | 85 | Moderate | 27.5 | 28.2 |
| 10:00 am | 85 | Moderate | 27.1 | 27.6 |
| 11:00 am | 85 | Moderate | 27.4 | 27.8 |
| 12:00 pm | 87 | Moderate | 28.2 | 28.5 |
| 01:00 pm | 91 | Moderate | 30.6 | 30.9 |
| 02:00 pm | 96 | Moderate | 33.1 | 33.2 |
| 03:00 pm | 92 | Moderate | 30.9 | 31.0 |