Heyin AQI History
Hourly air quality data for the past 24 hours in Heyin, Qinghai.
24-Hour Summary
Average AQI
60
Peak AQI
139
Best AQI
9
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 03:00 pm | 21 | Good | 3.7 | 9.5 |
| 04:00 pm | 14 | Good | 2.5 | 6.3 |
| 05:00 pm | 13 | Good | 2.4 | 6.2 |
| 06:00 pm | 14 | Good | 2.5 | 6.4 |
| 07:00 pm | 16 | Good | 2.9 | 7.5 |
| 08:00 pm | 47 | Good | 8.4 | 23.9 |
| 09:00 pm | 48 | Good | 8.6 | 23.7 |
| 10:00 pm | 49 | Good | 8.8 | 24.0 |
| 11:00 pm | 51 | Moderate | 9.2 | 24.7 |
| 12:00 am | 52 | Moderate | 9.7 | 25.6 |
| 01:00 am | 53 | Moderate | 10.1 | 26.4 |
| 02:00 am | 54 | Moderate | 10.5 | 27.1 |
| 03:00 am | 54 | Moderate | 10.8 | 27.7 |
| 04:00 am | 55 | Moderate | 11.1 | 28.2 |
| 05:00 am | 55 | Moderate | 11.4 | 28.5 |
| 06:00 am | 56 | Moderate | 11.8 | 28.8 |
| 07:00 am | 56 | Moderate | 11.7 | 27.5 |
| 08:00 am | 33 | Good | 5.9 | 7.7 |
| 09:00 am | 37 | Good | 6.7 | 16.8 |
| 10:00 am | 37 | Good | 6.7 | 17.4 |
| 11:00 am | 37 | Good | 6.7 | 17.9 |
| 12:00 pm | 47 | Good | 8.4 | 28.5 |
| 01:00 pm | 55 | Moderate | 11.1 | 46.6 |
| 02:00 pm | 56 | Moderate | 11.6 | 50.8 |
| 03:00 pm | 55 | Moderate | 11.0 | 47.3 |
| 04:00 pm | 54 | Moderate | 10.6 | 44.4 |
| 05:00 pm | 53 | Moderate | 10.4 | 43.1 |
| 06:00 pm | 54 | Moderate | 10.6 | 43.7 |
| 07:00 pm | 54 | Moderate | 10.7 | 43.1 |
| 08:00 pm | 53 | Moderate | 10.3 | 40.0 |
| 09:00 pm | 55 | Moderate | 11.0 | 41.1 |
| 10:00 pm | 55 | Moderate | 11.5 | 39.9 |
| 11:00 pm | 56 | Moderate | 11.7 | 38.3 |
| 12:00 am | 56 | Moderate | 11.9 | 36.9 |
| 01:00 am | 56 | Moderate | 12.0 | 36.1 |
| 02:00 am | 57 | Moderate | 12.2 | 35.6 |
| 03:00 am | 57 | Moderate | 12.3 | 35.3 |
| 04:00 am | 57 | Moderate | 12.4 | 34.9 |
| 05:00 am | 58 | Moderate | 12.6 | 34.7 |
| 06:00 am | 58 | Moderate | 12.8 | 34.6 |
| 07:00 am | 58 | Moderate | 13.1 | 34.6 |
| 08:00 am | 9 | Good | 1.7 | 2.1 |
| 09:00 am | 16 | Good | 2.9 | 7.7 |
| 10:00 am | 24 | Good | 4.4 | 12.6 |
| 11:00 am | 30 | Good | 5.4 | 16.4 |
| 12:00 pm | 32 | Good | 5.7 | 18.7 |
| 01:00 pm | 32 | Good | 5.7 | 19.6 |
| 02:00 pm | 32 | Good | 5.7 | 19.8 |
| 03:00 pm | 32 | Good | 5.7 | 19.4 |
| 04:00 pm | 32 | Good | 5.7 | 18.8 |
| 05:00 pm | 31 | Good | 5.5 | 17.4 |
| 06:00 pm | 34 | Good | 6.1 | 18.6 |
| 07:00 pm | 34 | Good | 6.1 | 17.2 |
| 08:00 pm | 47 | Good | 8.4 | 25.7 |
| 09:00 pm | 44 | Good | 8.0 | 23.4 |
| 10:00 pm | 45 | Good | 8.1 | 25.0 |
| 11:00 pm | 52 | Moderate | 9.6 | 32.4 |
| 12:00 am | 53 | Moderate | 10.4 | 40.2 |
| 01:00 am | 55 | Moderate | 11.1 | 46.2 |
| 02:00 am | 56 | Moderate | 11.9 | 52.4 |
| 03:00 am | 58 | Moderate | 13.1 | 62.2 |
| 04:00 am | 61 | Moderate | 14.4 | 72.4 |
| 05:00 am | 64 | Moderate | 15.8 | 81.5 |
| 06:00 am | 67 | Moderate | 17.0 | 88.5 |
| 07:00 am | 76 | Moderate | 20.1 | 106.6 |
| 08:00 am | 85 | Moderate | 23.8 | 123.9 |
| 09:00 am | 91 | Moderate | 25.8 | 135.5 |
| 10:00 am | 102 | Unhealthy for Sensitive Groups | 29.0 | 157.4 |
| 11:00 am | 110 | Unhealthy for Sensitive Groups | 32.5 | 173.2 |
| 12:00 pm | 117 | Unhealthy for Sensitive Groups | 35.7 | 188.1 |
| 01:00 pm | 125 | Unhealthy for Sensitive Groups | 39.2 | 204.4 |
| 02:00 pm | 139 | Unhealthy for Sensitive Groups | 44.4 | 231.0 |
| 03:00 pm | 134 | Unhealthy for Sensitive Groups | 43.2 | 221.2 |
| 04:00 pm | 136 | Unhealthy for Sensitive Groups | 44.6 | 225.4 |
| 05:00 pm | 137 | Unhealthy for Sensitive Groups | 45.6 | 228.6 |
| 06:00 pm | 139 | Unhealthy for Sensitive Groups | 46.6 | 231.4 |
| 07:00 pm | 138 | Unhealthy for Sensitive Groups | 46.9 | 230.0 |
| 08:00 pm | 139 | Unhealthy for Sensitive Groups | 48.3 | 231.0 |
| 09:00 pm | 136 | Unhealthy for Sensitive Groups | 47.5 | 225.8 |
| 10:00 pm | 134 | Unhealthy for Sensitive Groups | 46.6 | 221.2 |
| 11:00 pm | 131 | Unhealthy for Sensitive Groups | 45.9 | 215.1 |
| 12:00 am | 126 | Unhealthy for Sensitive Groups | 44.9 | 205.4 |
| 01:00 am | 120 | Unhealthy for Sensitive Groups | 43.2 | 193.2 |
| 02:00 am | 115 | Unhealthy for Sensitive Groups | 41.1 | 179.7 |
| 03:00 am | 109 | Unhealthy for Sensitive Groups | 38.6 | 165.3 |
| 04:00 am | 103 | Unhealthy for Sensitive Groups | 36.3 | 152.3 |
| 05:00 am | 98 | Moderate | 34.1 | 139.2 |
| 06:00 am | 93 | Moderate | 31.9 | 127.1 |
| 07:00 am | 89 | Moderate | 29.5 | 115.3 |
| 08:00 am | 75 | Moderate | 21.9 | 79.6 |
| 09:00 am | 65 | Moderate | 16.5 | 63.6 |
| 10:00 am | 59 | Moderate | 13.2 | 49.9 |
| 11:00 am | 53 | Moderate | 10.3 | 37.8 |
| 12:00 pm | 47 | Good | 8.4 | 29.8 |
| 01:00 pm | 38 | Good | 6.9 | 23.5 |
| 02:00 pm | 31 | Good | 5.6 | 18.6 |
| 03:00 pm | 28 | Good | 5.0 | 16.0 |
| 04:00 pm | 25 | Good | 4.5 | 14.2 |
| 05:00 pm | 23 | Good | 4.1 | 12.8 |
| 06:00 pm | 22 | Good | 3.9 | 11.8 |
| 07:00 pm | 22 | Good | 3.9 | 11.4 |
| 08:00 pm | 51 | Moderate | 9.1 | 27.0 |
| 09:00 pm | 52 | Moderate | 9.6 | 27.5 |
| 10:00 pm | 53 | Moderate | 10.0 | 27.7 |
| 11:00 pm | 53 | Moderate | 10.1 | 27.6 |
| 12:00 am | 53 | Moderate | 10.2 | 27.7 |
| 01:00 am | 53 | Moderate | 10.2 | 27.6 |
| 02:00 am | 53 | Moderate | 10.1 | 27.4 |
| 03:00 am | 53 | Moderate | 10.0 | 27.1 |
| 04:00 am | 52 | Moderate | 9.9 | 26.7 |
| 05:00 am | 52 | Moderate | 9.8 | 26.7 |
| 06:00 am | 52 | Moderate | 9.9 | 26.7 |
| 07:00 am | 53 | Moderate | 10.3 | 27.5 |
| 08:00 am | 54 | Moderate | 10.9 | 29.2 |
| 09:00 am | 55 | Moderate | 11.0 | 29.3 |
| 10:00 am | 55 | Moderate | 11.0 | 29.6 |
| 11:00 am | 55 | Moderate | 11.2 | 30.3 |
| 12:00 pm | 55 | Moderate | 11.2 | 30.9 |
| 01:00 pm | 65 | Moderate | 16.5 | 46.7 |
| 02:00 pm | 56 | Moderate | 12.0 | 33.9 |
| 03:00 pm | 58 | Moderate | 12.8 | 35.9 |
| 04:00 pm | 58 | Moderate | 12.9 | 34.8 |
| 05:00 pm | 57 | Moderate | 12.5 | 32.7 |
| 06:00 pm | 57 | Moderate | 12.1 | 31.4 |
| 07:00 pm | 56 | Moderate | 11.8 | 29.2 |
| 08:00 pm | 56 | Moderate | 12.0 | 31.2 |
| 09:00 pm | 57 | Moderate | 12.3 | 32.0 |
| 10:00 pm | 57 | Moderate | 12.4 | 32.0 |
| 11:00 pm | 57 | Moderate | 12.5 | 32.4 |
| 12:00 am | 57 | Moderate | 12.5 | 32.8 |
| 01:00 am | 57 | Moderate | 12.3 | 32.7 |
| 02:00 am | 57 | Moderate | 12.2 | 32.7 |
| 03:00 am | 57 | Moderate | 12.2 | 33.8 |
| 04:00 am | 57 | Moderate | 12.3 | 34.8 |
| 05:00 am | 57 | Moderate | 12.4 | 35.4 |
| 06:00 am | 58 | Moderate | 12.6 | 36.0 |
| 07:00 am | 58 | Moderate | 13.1 | 38.5 |
| 08:00 am | 45 | Good | 8.1 | 19.3 |
| 09:00 am | 59 | Moderate | 13.2 | 46.6 |
| 10:00 am | 62 | Moderate | 15.0 | 53.8 |
| 11:00 am | 63 | Moderate | 15.5 | 59.5 |
| 12:00 pm | 64 | Moderate | 16.2 | 68.0 |
| 01:00 pm | 64 | Moderate | 15.9 | 68.7 |
| 02:00 pm | 61 | Moderate | 14.5 | 62.6 |
| 03:00 pm | 60 | Moderate | 13.9 | 60.3 |
| 04:00 pm | 63 | Moderate | 15.8 | 69.4 |
| 05:00 pm | 59 | Moderate | 13.4 | 58.7 |
| 06:00 pm | 57 | Moderate | 12.4 | 54.1 |
| 07:00 pm | 56 | Moderate | 11.7 | 50.5 |
| 08:00 pm | 54 | Moderate | 10.6 | 43.9 |
| 09:00 pm | 54 | Moderate | 10.9 | 44.2 |
| 10:00 pm | 55 | Moderate | 11.4 | 44.0 |
| 11:00 pm | 56 | Moderate | 11.6 | 44.2 |
| 12:00 am | 56 | Moderate | 11.7 | 44.2 |
| 01:00 am | 56 | Moderate | 11.6 | 44.0 |
| 02:00 am | 56 | Moderate | 11.7 | 43.8 |
| 03:00 am | 56 | Moderate | 11.8 | 43.5 |
| 04:00 am | 56 | Moderate | 11.9 | 43.8 |
| 05:00 am | 56 | Moderate | 12.0 | 44.1 |
| 06:00 am | 57 | Moderate | 12.3 | 44.5 |
| 07:00 am | 57 | Moderate | 12.4 | 43.9 |
| 08:00 am | 56 | Moderate | 11.6 | 37.6 |
| 09:00 am | 55 | Moderate | 11.1 | 38.2 |
| 10:00 am | 55 | Moderate | 11.1 | 39.5 |
| 11:00 am | 56 | Moderate | 11.6 | 42.6 |
| 12:00 pm | 58 | Moderate | 12.6 | 50.1 |
| 01:00 pm | 58 | Moderate | 12.7 | 54.1 |
| 02:00 pm | 57 | Moderate | 12.5 | 54.1 |