Ad Dir‘īyah AQI History
Hourly air quality data for the past 24 hours in Ad Dir‘īyah, Ar Riyāḑ.
24-Hour Summary
Average AQI
396
Peak AQI
500
Best AQI
78
Hourly AQI Data
| Time | AQI | Category | PM2.5 | PM10 |
|---|---|---|---|---|
| 05:00 am | 500 | Hazardous | 154.1 | 976.0 |
| 06:00 am | 500 | Hazardous | 142.0 | 866.1 |
| 07:00 am | 500 | Hazardous | 147.1 | 894.1 |
| 08:00 am | 500 | Hazardous | 133.2 | 810.3 |
| 09:00 am | 500 | Hazardous | 143.0 | 994.7 |
| 10:00 am | 500 | Hazardous | 139.7 | 1035.6 |
| 11:00 am | 500 | Hazardous | 109.4 | 834.5 |
| 12:00 pm | 500 | Hazardous | 110.8 | 868.0 |
| 01:00 pm | 500 | Hazardous | 117.6 | 936.9 |
| 02:00 pm | 500 | Hazardous | 124.8 | 1005.8 |
| 03:00 pm | 500 | Hazardous | 136.0 | 1139.9 |
| 04:00 pm | 500 | Hazardous | 133.6 | 1121.3 |
| 05:00 pm | 500 | Hazardous | 133.6 | 1121.3 |
| 06:00 pm | 500 | Hazardous | 165.3 | 1344.8 |
| 07:00 pm | 500 | Hazardous | 174.2 | 1322.5 |
| 08:00 pm | 500 | Hazardous | 165.8 | 1173.5 |
| 09:00 pm | 500 | Hazardous | 156.0 | 1065.4 |
| 10:00 pm | 500 | Hazardous | 140.2 | 918.3 |
| 11:00 pm | 500 | Hazardous | 123.9 | 787.9 |
| 12:00 am | 500 | Hazardous | 112.0 | 719.0 |
| 01:00 am | 500 | Hazardous | 99.2 | 642.6 |
| 02:00 am | 422 | Hazardous | 83.4 | 534.6 |
| 03:00 am | 218 | Very Unhealthy | 63.1 | 367.9 |
| 04:00 am | 225 | Very Unhealthy | 60.1 | 372.5 |
| 05:00 am | 158 | Unhealthy | 49.6 | 270.1 |
| 06:00 am | 128 | Unhealthy for Sensitive Groups | 43.3 | 209.1 |
| 07:00 am | 146 | Unhealthy for Sensitive Groups | 48.8 | 246.8 |
| 08:00 am | 374 | Hazardous | 71.0 | 491.7 |
| 09:00 am | 500 | Hazardous | 83.6 | 676.1 |
| 10:00 am | 500 | Hazardous | 117.1 | 983.5 |
| 11:00 am | 500 | Hazardous | 120.6 | 1024.5 |
| 12:00 pm | 500 | Hazardous | 113.2 | 961.1 |
| 01:00 pm | 500 | Hazardous | 101.3 | 860.5 |
| 02:00 pm | 500 | Hazardous | 88.0 | 746.9 |
| 03:00 pm | 497 | Hazardous | 70.5 | 601.6 |
| 04:00 pm | 334 | Hazardous | 55.3 | 455.4 |
| 05:00 pm | 199 | Unhealthy | 45.1 | 352.0 |
| 06:00 pm | 119 | Unhealthy for Sensitive Groups | 32.6 | 192.3 |
| 07:00 pm | 98 | Moderate | 30.9 | 149.0 |
| 08:00 pm | 93 | Moderate | 31.7 | 134.6 |
| 09:00 pm | 98 | Moderate | 34.3 | 143.4 |
| 10:00 pm | 99 | Moderate | 34.6 | 139.2 |
| 11:00 pm | 106 | Unhealthy for Sensitive Groups | 37.4 | 154.1 |
| 12:00 am | 122 | Unhealthy for Sensitive Groups | 43.1 | 197.4 |
| 01:00 am | 218 | Very Unhealthy | 63.1 | 367.9 |
| 02:00 am | 214 | Very Unhealthy | 71.7 | 364.1 |
| 03:00 am | 500 | Hazardous | 446.1 | 2697.1 |
| 04:00 am | 500 | Hazardous | 401.4 | 2399.1 |
| 05:00 am | 500 | Hazardous | 341.8 | 1896.2 |
| 06:00 am | 500 | Hazardous | 313.9 | 1739.7 |
| 07:00 am | 500 | Hazardous | 280.3 | 1549.7 |
| 08:00 am | 500 | Hazardous | 272.9 | 1665.2 |
| 09:00 am | 500 | Hazardous | 269.2 | 1803.0 |
| 10:00 am | 500 | Hazardous | 251.5 | 1758.3 |
| 11:00 am | 500 | Hazardous | 235.2 | 1683.8 |
| 12:00 pm | 500 | Hazardous | 213.3 | 1531.1 |
| 01:00 pm | 500 | Hazardous | 183.5 | 1281.5 |
| 02:00 pm | 500 | Hazardous | 152.7 | 1002.1 |
| 03:00 pm | 500 | Hazardous | 117.8 | 700.4 |
| 04:00 pm | 451 | Hazardous | 100.4 | 560.7 |
| 05:00 pm | 327 | Hazardous | 86.8 | 448.9 |
| 06:00 pm | 290 | Very Unhealthy | 83.1 | 417.2 |
| 07:00 pm | 500 | Hazardous | 109.9 | 625.8 |
| 08:00 pm | 500 | Hazardous | 188.6 | 1404.4 |
| 09:00 pm | 500 | Hazardous | 258.9 | 1959.5 |
| 10:00 pm | 500 | Hazardous | 309.2 | 2235.2 |
| 11:00 pm | 500 | Hazardous | 339.9 | 2354.4 |
| 12:00 am | 500 | Hazardous | 355.8 | 2376.7 |
| 01:00 am | 500 | Hazardous | 351.1 | 2287.3 |
| 02:00 am | 500 | Hazardous | 329.7 | 2093.6 |
| 03:00 am | 500 | Hazardous | 324.1 | 2004.2 |
| 04:00 am | 500 | Hazardous | 286.8 | 1687.6 |
| 05:00 am | 500 | Hazardous | 245.9 | 1370.9 |
| 06:00 am | 500 | Hazardous | 210.5 | 1132.5 |
| 07:00 am | 500 | Hazardous | 191.9 | 1080.3 |
| 08:00 am | 500 | Hazardous | 200.7 | 1318.8 |
| 09:00 am | 500 | Hazardous | 215.6 | 1553.4 |
| 10:00 am | 500 | Hazardous | 225.4 | 1654.0 |
| 11:00 am | 500 | Hazardous | 225.4 | 1646.6 |
| 12:00 pm | 500 | Hazardous | 212.3 | 1542.3 |
| 01:00 pm | 500 | Hazardous | 183.0 | 1333.7 |
| 02:00 pm | 500 | Hazardous | 152.7 | 1125.0 |
| 03:00 pm | 500 | Hazardous | 111.1 | 836.3 |
| 04:00 pm | 500 | Hazardous | 85.4 | 638.9 |
| 05:00 pm | 434 | Hazardous | 73.1 | 545.8 |
| 06:00 pm | 500 | Hazardous | 97.1 | 756.2 |
| 07:00 pm | 500 | Hazardous | 143.9 | 1110.1 |
| 08:00 pm | 500 | Hazardous | 219.3 | 1706.2 |
| 09:00 pm | 500 | Hazardous | 272.9 | 2026.6 |
| 10:00 pm | 500 | Hazardous | 306.4 | 2220.3 |
| 11:00 pm | 500 | Hazardous | 333.4 | 2361.8 |
| 12:00 am | 500 | Hazardous | 342.7 | 2391.6 |
| 01:00 am | 500 | Hazardous | 326.9 | 2257.5 |
| 02:00 am | 500 | Hazardous | 290.6 | 2004.2 |
| 03:00 am | 500 | Hazardous | 224.9 | 1348.6 |
| 04:00 am | 500 | Hazardous | 204.0 | 1188.4 |
| 05:00 am | 500 | Hazardous | 184.4 | 1028.2 |
| 06:00 am | 500 | Hazardous | 175.1 | 998.4 |
| 07:00 am | 500 | Hazardous | 175.1 | 1020.7 |
| 08:00 am | 500 | Hazardous | 162.1 | 1024.5 |
| 09:00 am | 500 | Hazardous | 158.8 | 1102.7 |
| 10:00 am | 500 | Hazardous | 149.5 | 1095.2 |
| 11:00 am | 500 | Hazardous | 129.0 | 983.5 |
| 12:00 pm | 500 | Hazardous | 109.4 | 914.6 |
| 01:00 pm | 500 | Hazardous | 100.4 | 879.2 |
| 02:00 pm | 500 | Hazardous | 85.7 | 756.2 |
| 03:00 pm | 484 | Hazardous | 69.6 | 590.5 |
| 04:00 pm | 400 | Hazardous | 61.2 | 514.1 |
| 05:00 pm | 311 | Hazardous | 53.3 | 434.9 |
| 06:00 pm | 304 | Hazardous | 56.7 | 428.4 |
| 07:00 pm | 144 | Unhealthy for Sensitive Groups | 45.8 | 242.1 |
| 08:00 pm | 353 | Hazardous | 70.8 | 472.2 |
| 09:00 pm | 500 | Hazardous | 129.9 | 1035.6 |
| 10:00 pm | 500 | Hazardous | 192.8 | 1553.4 |
| 11:00 pm | 500 | Hazardous | 227.7 | 1780.7 |
| 12:00 am | 500 | Hazardous | 253.3 | 1922.2 |
| 01:00 am | 500 | Hazardous | 263.6 | 1952.1 |
| 02:00 am | 500 | Hazardous | 233.8 | 1765.8 |
| 03:00 am | 500 | Hazardous | 144.4 | 936.9 |
| 04:00 am | 500 | Hazardous | 120.6 | 754.4 |
| 05:00 am | 395 | Hazardous | 92.4 | 510.4 |
| 06:00 am | 193 | Unhealthy | 71.0 | 340.9 |
| 07:00 am | 148 | Unhealthy for Sensitive Groups | 54.5 | 211.9 |
| 08:00 am | 117 | Unhealthy for Sensitive Groups | 41.8 | 150.4 |
| 09:00 am | 214 | Very Unhealthy | 54.6 | 364.1 |
| 10:00 am | 500 | Hazardous | 84.1 | 700.4 |
| 11:00 am | 500 | Hazardous | 104.5 | 897.8 |
| 12:00 pm | 500 | Hazardous | 100.4 | 862.4 |
| 01:00 pm | 500 | Hazardous | 87.1 | 746.9 |
| 02:00 pm | 500 | Hazardous | 73.3 | 622.1 |
| 03:00 pm | 270 | Very Unhealthy | 54.7 | 403.3 |
| 04:00 pm | 193 | Unhealthy | 48.8 | 339.9 |
| 05:00 pm | 166 | Unhealthy | 43.9 | 285.0 |
| 06:00 pm | 112 | Unhealthy for Sensitive Groups | 37.1 | 177.9 |
| 07:00 pm | 112 | Unhealthy for Sensitive Groups | 40.0 | 166.2 |
| 08:00 pm | 116 | Unhealthy for Sensitive Groups | 41.4 | 163.9 |
| 09:00 pm | 159 | Unhealthy | 51.8 | 272.9 |
| 10:00 pm | 420 | Hazardous | 76.6 | 532.7 |
| 11:00 pm | 500 | Hazardous | 130.9 | 1084.1 |
| 12:00 am | 500 | Hazardous | 188.1 | 1568.3 |
| 01:00 am | 500 | Hazardous | 179.7 | 1478.9 |
| 02:00 am | 500 | Hazardous | 100.6 | 705.9 |
| 03:00 am | 131 | Unhealthy for Sensitive Groups | 45.6 | 215.1 |
| 04:00 am | 116 | Unhealthy for Sensitive Groups | 41.7 | 175.1 |
| 05:00 am | 109 | Unhealthy for Sensitive Groups | 38.8 | 145.8 |
| 06:00 am | 104 | Unhealthy for Sensitive Groups | 36.9 | 120.6 |
| 07:00 am | 107 | Unhealthy for Sensitive Groups | 38.1 | 94.5 |
| 08:00 am | 89 | Moderate | 29.6 | 90.6 |
| 09:00 am | 163 | Unhealthy | 41.3 | 279.4 |
| 10:00 am | 453 | Hazardous | 67.1 | 562.5 |
| 11:00 am | 500 | Hazardous | 81.3 | 700.4 |
| 12:00 pm | 500 | Hazardous | 76.4 | 651.9 |
| 01:00 pm | 418 | Hazardous | 64.5 | 530.9 |
| 02:00 pm | 327 | Hazardous | 56.7 | 448.0 |
| 03:00 pm | 166 | Unhealthy | 34.8 | 285.0 |
| 04:00 pm | 161 | Unhealthy | 34.0 | 276.6 |
| 05:00 pm | 137 | Unhealthy for Sensitive Groups | 29.8 | 228.2 |
| 06:00 pm | 101 | Unhealthy for Sensitive Groups | 23.6 | 156.9 |
| 07:00 pm | 80 | Moderate | 24.4 | 113.2 |
| 08:00 pm | 81 | Moderate | 25.4 | 98.0 |
| 09:00 pm | 81 | Moderate | 25.0 | 82.7 |
| 10:00 pm | 78 | Moderate | 23.6 | 67.3 |
| 11:00 pm | 119 | Unhealthy for Sensitive Groups | 35.4 | 191.9 |
| 12:00 am | 500 | Hazardous | 128.1 | 1091.5 |
| 01:00 am | 500 | Hazardous | 208.6 | 1680.1 |
| 02:00 am | 500 | Hazardous | 210.5 | 1616.8 |
| 03:00 am | 500 | Hazardous | 170.4 | 1214.4 |
| 04:00 am | 500 | Hazardous | 124.3 | 771.1 |