Yaojiafen AQI History
Hourly air quality data for the past 24 hours in Yaojiafen, Hebei.
24-Hour Summary
Average AQI
53
Peak AQI
137
Best AQI
1
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 10:00 am | 2 | Good | 0.3 | 0.3 |
| 11:00 am | 2 | Good | 0.3 | 0.5 |
| 12:00 pm | 3 | Good | 0.5 | 0.7 |
| 01:00 pm | 4 | Good | 0.7 | 1.0 |
| 02:00 pm | 5 | Good | 0.9 | 1.3 |
| 03:00 pm | 6 | Good | 1.1 | 1.5 |
| 04:00 pm | 6 | Good | 1.1 | 1.5 |
| 05:00 pm | 6 | Good | 1.0 | 1.3 |
| 06:00 pm | 4 | Good | 0.8 | 1.0 |
| 07:00 pm | 6 | Good | 1.0 | 1.6 |
| 08:00 pm | 11 | Good | 2.0 | 2.1 |
| 09:00 pm | 19 | Good | 3.5 | 4.2 |
| 10:00 pm | 31 | Good | 5.6 | 7.0 |
| 11:00 pm | 41 | Good | 7.4 | 9.6 |
| 12:00 am | 46 | Good | 8.2 | 11.4 |
| 01:00 am | 46 | Good | 8.3 | 12.6 |
| 02:00 am | 47 | Good | 8.4 | 13.9 |
| 03:00 am | 48 | Good | 8.6 | 15.5 |
| 04:00 am | 48 | Good | 8.6 | 16.9 |
| 05:00 am | 48 | Good | 8.7 | 18.2 |
| 06:00 am | 48 | Good | 8.7 | 18.5 |
| 07:00 am | 44 | Good | 7.9 | 17.3 |
| 08:00 am | 1 | Good | 0.1 | 0.1 |
| 09:00 am | 13 | Good | 2.4 | 13.0 |
| 10:00 am | 46 | Good | 6.5 | 50.4 |
| 11:00 am | 42 | Good | 6.5 | 45.4 |
| 12:00 pm | 34 | Good | 5.9 | 37.7 |
| 01:00 pm | 31 | Good | 5.4 | 33.1 |
| 02:00 pm | 29 | Good | 5.0 | 31.1 |
| 03:00 pm | 28 | Good | 5.0 | 30.7 |
| 04:00 pm | 26 | Good | 4.7 | 28.7 |
| 05:00 pm | 23 | Good | 4.1 | 23.8 |
| 06:00 pm | 20 | Good | 3.6 | 19.4 |
| 07:00 pm | 20 | Good | 3.6 | 14.4 |
| 08:00 pm | 17 | Good | 3.0 | 3.2 |
| 09:00 pm | 29 | Good | 5.3 | 5.9 |
| 10:00 pm | 39 | Good | 7.0 | 8.0 |
| 11:00 pm | 44 | Good | 8.0 | 9.3 |
| 12:00 am | 39 | Good | 7.0 | 8.5 |
| 01:00 am | 37 | Good | 6.7 | 9.4 |
| 02:00 am | 42 | Good | 7.5 | 12.4 |
| 03:00 am | 47 | Good | 8.5 | 17.2 |
| 04:00 am | 52 | Moderate | 9.6 | 24.0 |
| 05:00 am | 54 | Moderate | 10.7 | 31.3 |
| 06:00 am | 55 | Moderate | 11.4 | 36.7 |
| 07:00 am | 55 | Moderate | 11.2 | 32.5 |
| 08:00 am | 38 | Good | 6.9 | 23.7 |
| 09:00 am | 33 | Good | 6.0 | 19.6 |
| 10:00 am | 29 | Good | 5.3 | 14.9 |
| 11:00 am | 26 | Good | 4.6 | 10.6 |
| 12:00 pm | 19 | Good | 3.5 | 8.6 |
| 01:00 pm | 30 | Good | 5.4 | 22.2 |
| 02:00 pm | 35 | Good | 6.3 | 30.3 |
| 03:00 pm | 33 | Good | 6.0 | 28.3 |
| 04:00 pm | 31 | Good | 5.5 | 25.8 |
| 05:00 pm | 30 | Good | 5.4 | 26.1 |
| 06:00 pm | 32 | Good | 5.8 | 30.0 |
| 07:00 pm | 36 | Good | 6.4 | 31.3 |
| 08:00 pm | 23 | Good | 4.1 | 13.7 |
| 09:00 pm | 33 | Good | 5.9 | 21.9 |
| 10:00 pm | 42 | Good | 7.5 | 27.2 |
| 11:00 pm | 49 | Good | 8.8 | 31.7 |
| 12:00 am | 51 | Moderate | 9.2 | 33.2 |
| 01:00 am | 50 | Good | 9.0 | 33.2 |
| 02:00 am | 49 | Good | 8.8 | 33.8 |
| 03:00 am | 51 | Moderate | 9.1 | 34.9 |
| 04:00 am | 52 | Moderate | 9.4 | 35.6 |
| 05:00 am | 52 | Moderate | 9.7 | 34.9 |
| 06:00 am | 51 | Moderate | 9.3 | 31.3 |
| 07:00 am | 47 | Good | 8.5 | 22.6 |
| 08:00 am | 28 | Good | 5.0 | 12.0 |
| 09:00 am | 33 | Good | 6.0 | 23.6 |
| 10:00 am | 63 | Moderate | 15.1 | 80.8 |
| 11:00 am | 104 | Unhealthy for Sensitive Groups | 29.9 | 161.1 |
| 12:00 pm | 133 | Unhealthy for Sensitive Groups | 44.2 | 220.7 |
| 01:00 pm | 124 | Unhealthy for Sensitive Groups | 44.9 | 202.6 |
| 02:00 pm | 98 | Moderate | 34.1 | 128.1 |
| 03:00 pm | 79 | Moderate | 24.3 | 74.3 |
| 04:00 pm | 71 | Moderate | 19.8 | 54.4 |
| 05:00 pm | 69 | Moderate | 19.0 | 55.1 |
| 06:00 pm | 72 | Moderate | 20.4 | 66.6 |
| 07:00 pm | 77 | Moderate | 22.9 | 78.9 |
| 08:00 pm | 83 | Moderate | 26.5 | 98.0 |
| 09:00 pm | 89 | Moderate | 29.5 | 110.8 |
| 10:00 pm | 94 | Moderate | 32.1 | 128.1 |
| 11:00 pm | 97 | Moderate | 33.6 | 137.8 |
| 12:00 am | 100 | Moderate | 35.2 | 148.5 |
| 01:00 am | 104 | Unhealthy for Sensitive Groups | 36.7 | 160.2 |
| 02:00 am | 112 | Unhealthy for Sensitive Groups | 38.0 | 177.9 |
| 03:00 am | 119 | Unhealthy for Sensitive Groups | 39.1 | 191.4 |
| 04:00 am | 122 | Unhealthy for Sensitive Groups | 39.9 | 197.4 |
| 05:00 am | 127 | Unhealthy for Sensitive Groups | 41.6 | 208.2 |
| 06:00 am | 137 | Unhealthy for Sensitive Groups | 43.4 | 227.7 |
| 07:00 am | 122 | Unhealthy for Sensitive Groups | 40.9 | 197.0 |
| 08:00 am | 95 | Moderate | 28.8 | 143.0 |
| 09:00 am | 73 | Moderate | 20.7 | 93.4 |
| 10:00 am | 70 | Moderate | 19.2 | 83.1 |
| 11:00 am | 69 | Moderate | 19.0 | 78.9 |
| 12:00 pm | 73 | Moderate | 20.9 | 91.5 |
| 01:00 pm | 77 | Moderate | 23.3 | 107.1 |
| 02:00 pm | 83 | Moderate | 24.3 | 119.0 |
| 03:00 pm | 82 | Moderate | 23.1 | 117.6 |
| 04:00 pm | 74 | Moderate | 20.1 | 102.4 |
| 05:00 pm | 64 | Moderate | 16.3 | 79.9 |
| 06:00 pm | 58 | Moderate | 13.0 | 58.7 |
| 07:00 pm | 54 | Moderate | 10.6 | 40.0 |
| 08:00 pm | 42 | Good | 7.6 | 18.6 |
| 09:00 pm | 37 | Good | 6.7 | 14.6 |
| 10:00 pm | 35 | Good | 6.3 | 9.5 |
| 11:00 pm | 36 | Good | 6.5 | 8.8 |
| 12:00 am | 43 | Good | 7.8 | 12.3 |
| 01:00 am | 52 | Moderate | 9.6 | 17.3 |
| 02:00 am | 54 | Moderate | 10.9 | 21.7 |
| 03:00 am | 56 | Moderate | 11.9 | 24.3 |
| 04:00 am | 57 | Moderate | 12.5 | 25.2 |
| 05:00 am | 57 | Moderate | 12.4 | 23.8 |
| 06:00 am | 56 | Moderate | 11.7 | 20.8 |
| 07:00 am | 54 | Moderate | 10.6 | 16.7 |
| 08:00 am | 34 | Good | 6.1 | 20.1 |
| 09:00 am | 53 | Moderate | 10.4 | 48.4 |
| 10:00 am | 61 | Moderate | 14.3 | 66.4 |
| 11:00 am | 64 | Moderate | 16.1 | 69.8 |
| 12:00 pm | 67 | Moderate | 17.5 | 71.0 |
| 01:00 pm | 69 | Moderate | 18.8 | 73.8 |
| 02:00 pm | 70 | Moderate | 19.4 | 75.4 |
| 03:00 pm | 71 | Moderate | 19.6 | 75.2 |
| 04:00 pm | 72 | Moderate | 20.4 | 84.8 |
| 05:00 pm | 68 | Moderate | 18.4 | 74.7 |
| 06:00 pm | 65 | Moderate | 16.6 | 67.5 |
| 07:00 pm | 63 | Moderate | 15.4 | 56.5 |
| 08:00 pm | 47 | Good | 8.4 | 20.3 |
| 09:00 pm | 53 | Moderate | 10.4 | 21.7 |
| 10:00 pm | 56 | Moderate | 11.6 | 20.5 |
| 11:00 pm | 57 | Moderate | 12.4 | 19.8 |
| 12:00 am | 60 | Moderate | 13.7 | 19.5 |
| 01:00 am | 61 | Moderate | 14.7 | 19.6 |
| 02:00 am | 62 | Moderate | 14.8 | 19.2 |
| 03:00 am | 60 | Moderate | 14.1 | 18.6 |
| 04:00 am | 58 | Moderate | 13.1 | 16.8 |
| 05:00 am | 57 | Moderate | 12.2 | 17.7 |
| 06:00 am | 55 | Moderate | 11.5 | 23.1 |
| 07:00 am | 58 | Moderate | 12.6 | 31.7 |
| 08:00 am | 71 | Moderate | 19.7 | 37.7 |
| 09:00 am | 78 | Moderate | 23.7 | 39.5 |
| 10:00 am | 81 | Moderate | 25.3 | 42.1 |
| 11:00 am | 75 | Moderate | 22.2 | 47.8 |
| 12:00 pm | 70 | Moderate | 19.5 | 47.8 |
| 01:00 pm | 89 | Moderate | 29.5 | 105.0 |
| 02:00 pm | 70 | Moderate | 19.3 | 65.9 |
| 03:00 pm | 71 | Moderate | 19.8 | 74.5 |
| 04:00 pm | 70 | Moderate | 19.4 | 78.2 |
| 05:00 pm | 68 | Moderate | 18.0 | 75.0 |
| 06:00 pm | 62 | Moderate | 15.0 | 61.9 |
| 07:00 pm | 56 | Moderate | 12.0 | 47.5 |
| 08:00 pm | 37 | Good | 6.6 | 26.4 |
| 09:00 pm | 29 | Good | 5.2 | 16.6 |
| 10:00 pm | 36 | Good | 6.4 | 15.7 |
| 11:00 pm | 47 | Good | 8.4 | 16.6 |
| 12:00 am | 53 | Moderate | 10.1 | 18.2 |
| 01:00 am | 55 | Moderate | 11.2 | 19.4 |
| 02:00 am | 56 | Moderate | 11.6 | 19.3 |
| 03:00 am | 56 | Moderate | 11.6 | 18.3 |
| 04:00 am | 55 | Moderate | 11.1 | 15.8 |
| 05:00 am | 53 | Moderate | 10.4 | 13.4 |
| 06:00 am | 52 | Moderate | 9.4 | 10.9 |
| 07:00 am | 44 | Good | 8.0 | 9.3 |
| 08:00 am | 32 | Good | 5.7 | 9.4 |
| 09:00 am | 37 | Good | 6.6 | 20.0 |