Hejiaji AQI History
Hourly air quality data for the past 24 hours in Hejiaji, Shaanxi.
24-Hour Summary
Average AQI
54
Peak AQI
153
Best AQI
0
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 04:00 pm | 68 | Moderate | 18.1 | 79.6 |
| 05:00 pm | 66 | Moderate | 17.1 | 71.0 |
| 06:00 pm | 64 | Moderate | 16.1 | 62.6 |
| 07:00 pm | 62 | Moderate | 15.1 | 45.6 |
| 08:00 pm | 50 | Good | 9.0 | 18.3 |
| 09:00 pm | 52 | Moderate | 9.4 | 16.7 |
| 10:00 pm | 53 | Moderate | 10.3 | 16.8 |
| 11:00 pm | 55 | Moderate | 11.1 | 17.1 |
| 12:00 am | 54 | Moderate | 10.8 | 16.0 |
| 01:00 am | 52 | Moderate | 9.9 | 14.4 |
| 02:00 am | 51 | Moderate | 9.2 | 13.6 |
| 03:00 am | 48 | Good | 8.6 | 13.1 |
| 04:00 am | 44 | Good | 7.9 | 12.6 |
| 05:00 am | 41 | Good | 7.4 | 12.6 |
| 06:00 am | 40 | Good | 7.2 | 13.1 |
| 07:00 am | 38 | Good | 6.8 | 12.4 |
| 08:00 am | 0 | Good | 0.0 | 0.0 |
| 09:00 am | 2 | Good | 0.3 | 0.3 |
| 10:00 am | 3 | Good | 0.5 | 0.6 |
| 11:00 am | 12 | Good | 2.1 | 7.1 |
| 12:00 pm | 19 | Good | 3.4 | 11.0 |
| 01:00 pm | 21 | Good | 3.7 | 11.7 |
| 02:00 pm | 21 | Good | 3.8 | 12.0 |
| 03:00 pm | 22 | Good | 3.9 | 12.2 |
| 04:00 pm | 22 | Good | 3.9 | 12.4 |
| 05:00 pm | 22 | Good | 4.0 | 12.5 |
| 06:00 pm | 22 | Good | 4.0 | 12.5 |
| 07:00 pm | 25 | Good | 4.5 | 11.2 |
| 08:00 pm | 14 | Good | 2.5 | 2.5 |
| 09:00 pm | 21 | Good | 3.7 | 3.7 |
| 10:00 pm | 27 | Good | 4.9 | 4.9 |
| 11:00 pm | 32 | Good | 5.7 | 5.7 |
| 12:00 am | 33 | Good | 5.9 | 5.9 |
| 01:00 am | 25 | Good | 4.5 | 4.5 |
| 02:00 am | 18 | Good | 3.3 | 3.3 |
| 03:00 am | 16 | Good | 2.9 | 3.0 |
| 04:00 am | 17 | Good | 3.0 | 3.2 |
| 05:00 am | 20 | Good | 3.6 | 3.9 |
| 06:00 am | 25 | Good | 4.5 | 4.7 |
| 07:00 am | 23 | Good | 4.2 | 4.5 |
| 08:00 am | 0 | Good | 0.0 | 0.0 |
| 09:00 am | 3 | Good | 0.5 | 0.5 |
| 10:00 am | 4 | Good | 0.8 | 0.8 |
| 11:00 am | 4 | Good | 0.7 | 0.8 |
| 12:00 pm | 3 | Good | 0.6 | 1.2 |
| 01:00 pm | 4 | Good | 0.7 | 1.8 |
| 02:00 pm | 5 | Good | 0.9 | 2.4 |
| 03:00 pm | 7 | Good | 1.2 | 3.2 |
| 04:00 pm | 8 | Good | 1.5 | 4.2 |
| 05:00 pm | 11 | Good | 1.9 | 5.2 |
| 06:00 pm | 12 | Good | 2.2 | 6.0 |
| 07:00 pm | 13 | Good | 2.3 | 4.9 |
| 08:00 pm | 4 | Good | 0.8 | 0.8 |
| 09:00 pm | 4 | Good | 0.8 | 0.8 |
| 10:00 pm | 5 | Good | 0.9 | 0.9 |
| 11:00 pm | 6 | Good | 1.0 | 1.0 |
| 12:00 am | 7 | Good | 1.3 | 1.3 |
| 01:00 am | 9 | Good | 1.6 | 1.6 |
| 02:00 am | 11 | Good | 1.9 | 1.9 |
| 03:00 am | 12 | Good | 2.2 | 2.2 |
| 04:00 am | 13 | Good | 2.4 | 2.4 |
| 05:00 am | 14 | Good | 2.6 | 2.6 |
| 06:00 am | 16 | Good | 2.8 | 2.8 |
| 07:00 am | 14 | Good | 2.5 | 2.5 |
| 08:00 am | 4 | Good | 0.8 | 0.8 |
| 09:00 am | 4 | Good | 0.7 | 1.0 |
| 10:00 am | 18 | Good | 3.3 | 14.9 |
| 11:00 am | 48 | Good | 8.7 | 44.9 |
| 12:00 pm | 68 | Moderate | 16.2 | 90.8 |
| 01:00 pm | 102 | Unhealthy for Sensitive Groups | 27.3 | 157.9 |
| 02:00 pm | 140 | Unhealthy for Sensitive Groups | 40.9 | 234.2 |
| 03:00 pm | 153 | Unhealthy | 48.7 | 260.8 |
| 04:00 pm | 141 | Unhealthy for Sensitive Groups | 48.8 | 236.1 |
| 05:00 pm | 120 | Unhealthy for Sensitive Groups | 43.1 | 183.9 |
| 06:00 pm | 102 | Unhealthy for Sensitive Groups | 36.1 | 134.6 |
| 07:00 pm | 91 | Moderate | 30.7 | 94.1 |
| 08:00 pm | 85 | Moderate | 27.2 | 72.9 |
| 09:00 pm | 82 | Moderate | 25.8 | 66.1 |
| 10:00 pm | 82 | Moderate | 25.9 | 66.4 |
| 11:00 pm | 85 | Moderate | 27.1 | 71.2 |
| 12:00 am | 87 | Moderate | 28.6 | 77.1 |
| 01:00 am | 91 | Moderate | 30.4 | 82.4 |
| 02:00 am | 94 | Moderate | 32.0 | 87.1 |
| 03:00 am | 96 | Moderate | 33.5 | 90.8 |
| 04:00 am | 99 | Moderate | 34.8 | 94.1 |
| 05:00 am | 102 | Unhealthy for Sensitive Groups | 35.9 | 96.2 |
| 06:00 am | 103 | Unhealthy for Sensitive Groups | 36.3 | 96.6 |
| 07:00 am | 100 | Moderate | 35.2 | 84.3 |
| 08:00 am | 100 | Moderate | 35.3 | 101.0 |
| 09:00 am | 106 | Unhealthy for Sensitive Groups | 37.6 | 135.0 |
| 10:00 am | 106 | Unhealthy for Sensitive Groups | 37.7 | 148.1 |
| 11:00 am | 104 | Unhealthy for Sensitive Groups | 36.7 | 146.2 |
| 12:00 pm | 95 | Moderate | 32.6 | 128.5 |
| 01:00 pm | 85 | Moderate | 27.5 | 106.4 |
| 02:00 pm | 80 | Moderate | 24.6 | 92.0 |
| 03:00 pm | 76 | Moderate | 22.6 | 82.7 |
| 04:00 pm | 74 | Moderate | 21.7 | 77.5 |
| 05:00 pm | 73 | Moderate | 21.1 | 74.7 |
| 06:00 pm | 73 | Moderate | 20.7 | 71.2 |
| 07:00 pm | 71 | Moderate | 19.6 | 52.5 |
| 08:00 pm | 55 | Moderate | 11.3 | 22.2 |
| 09:00 pm | 56 | Moderate | 11.9 | 25.0 |
| 10:00 pm | 58 | Moderate | 12.6 | 26.4 |
| 11:00 pm | 59 | Moderate | 13.4 | 27.8 |
| 12:00 am | 61 | Moderate | 14.2 | 29.7 |
| 01:00 am | 62 | Moderate | 14.8 | 31.1 |
| 02:00 am | 62 | Moderate | 15.1 | 31.5 |
| 03:00 am | 62 | Moderate | 15.2 | 32.5 |
| 04:00 am | 63 | Moderate | 15.3 | 32.9 |
| 05:00 am | 62 | Moderate | 15.2 | 32.7 |
| 06:00 am | 62 | Moderate | 15.0 | 31.8 |
| 07:00 am | 61 | Moderate | 14.3 | 29.3 |
| 08:00 am | 41 | Good | 7.3 | 14.8 |
| 09:00 am | 52 | Moderate | 9.6 | 24.6 |
| 10:00 am | 58 | Moderate | 13.1 | 37.3 |
| 11:00 am | 66 | Moderate | 17.1 | 53.6 |
| 12:00 pm | 70 | Moderate | 19.2 | 63.6 |
| 01:00 pm | 70 | Moderate | 19.3 | 65.4 |
| 02:00 pm | 68 | Moderate | 18.2 | 63.3 |
| 03:00 pm | 66 | Moderate | 17.3 | 63.3 |
| 04:00 pm | 65 | Moderate | 16.8 | 64.5 |
| 05:00 pm | 65 | Moderate | 16.6 | 64.7 |
| 06:00 pm | 65 | Moderate | 16.5 | 62.2 |
| 07:00 pm | 63 | Moderate | 15.5 | 42.3 |
| 08:00 pm | 59 | Moderate | 13.4 | 30.2 |
| 09:00 pm | 58 | Moderate | 12.8 | 26.8 |
| 10:00 pm | 57 | Moderate | 12.3 | 25.1 |
| 11:00 pm | 57 | Moderate | 12.3 | 24.6 |
| 12:00 am | 58 | Moderate | 13.0 | 26.0 |
| 01:00 am | 60 | Moderate | 14.1 | 28.4 |
| 02:00 am | 62 | Moderate | 15.1 | 31.1 |
| 03:00 am | 64 | Moderate | 16.0 | 33.4 |
| 04:00 am | 66 | Moderate | 16.9 | 35.5 |
| 05:00 am | 67 | Moderate | 17.8 | 37.1 |
| 06:00 am | 68 | Moderate | 18.3 | 37.6 |
| 07:00 am | 69 | Moderate | 18.9 | 38.6 |
| 08:00 am | 62 | Moderate | 15.0 | 34.2 |
| 09:00 am | 63 | Moderate | 15.6 | 39.0 |
| 10:00 am | 60 | Moderate | 14.1 | 36.3 |
| 11:00 am | 58 | Moderate | 13.0 | 34.9 |
| 12:00 pm | 62 | Moderate | 15.1 | 45.9 |
| 01:00 pm | 73 | Moderate | 21.1 | 75.2 |
| 02:00 pm | 82 | Moderate | 25.8 | 97.1 |
| 03:00 pm | 86 | Moderate | 28.0 | 106.4 |
| 04:00 pm | 89 | Moderate | 29.3 | 108.7 |
| 05:00 pm | 90 | Moderate | 30.0 | 108.7 |
| 06:00 pm | 86 | Moderate | 28.1 | 95.9 |
| 07:00 pm | 78 | Moderate | 23.7 | 69.4 |
| 08:00 pm | 73 | Moderate | 20.8 | 42.7 |
| 09:00 pm | 70 | Moderate | 19.4 | 42.1 |
| 10:00 pm | 67 | Moderate | 17.6 | 37.0 |
| 11:00 pm | 64 | Moderate | 16.1 | 34.7 |
| 12:00 am | 62 | Moderate | 15.0 | 34.6 |
| 01:00 am | 61 | Moderate | 14.3 | 35.3 |
| 02:00 am | 60 | Moderate | 14.0 | 36.6 |
| 03:00 am | 60 | Moderate | 14.0 | 38.0 |
| 04:00 am | 60 | Moderate | 14.0 | 38.5 |
| 05:00 am | 60 | Moderate | 13.8 | 37.4 |
| 06:00 am | 59 | Moderate | 13.6 | 36.6 |
| 07:00 am | 60 | Moderate | 13.9 | 38.9 |
| 08:00 am | 65 | Moderate | 16.7 | 58.1 |
| 09:00 am | 74 | Moderate | 21.2 | 86.4 |
| 10:00 am | 80 | Moderate | 24.6 | 105.0 |
| 11:00 am | 73 | Moderate | 20.8 | 89.4 |
| 12:00 pm | 62 | Moderate | 14.8 | 61.2 |
| 01:00 pm | 54 | Moderate | 10.9 | 43.5 |
| 02:00 pm | 48 | Good | 8.7 | 34.8 |
| 03:00 pm | 42 | Good | 7.5 | 30.0 |