空气质量小常识
- 1、口罩小知识
-
常见的PM2.5口罩有N90,N95,N99等类型,其中数字90代表过滤效果在90%以上,95代表过滤效果在95%以上。过渡效果越好,相对呼吸也越困难,一般选择N90系列的口罩就足够了。
- 2、PM2.5和PM10的区别
- PM2.5指空气中直径≤2.5微米的颗粒物,可入肺。吸入过多易引发哮喘、支气管炎和心血管病等疾病。
PM10指空气中直径≤10微米的颗粒物,可入上呼吸道,但可排出体外,对人体危害相对较小。
- 3、雾霾是什么?
-
雾霾天气是一种大气污染状态,包含各种含量超标的悬浮颗粒物。雾是液态水珠,霾是固体,包括空气中的灰尘、硫酸、硝酸、可吸入颗粒物等粒子,会使能见度降低。两者结合在一起就是雾霾。
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-06-30 02:47:54 HTTP/2.0 GET : https://m.tianqibao.com/aqi/dufucaotang.html
- 运行时间 : 9.160947s [ 吞吐率:0.11req/s ] 内存消耗:6,664.43kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=bfa2fceede42ab7098cdea1b4ad5e9d3
- CONNECT:[ UseTime:0.008238s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.068093s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.011583s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.029367s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.009033s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'dufucaotang' LIMIT 1 [ RunTime:0.002475s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 4400 LIMIT 1 [ RunTime:0.001123s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2713 LIMIT 1 [ RunTime:0.000713s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2714 LIMIT 1 [ RunTime:0.000671s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2715 LIMIT 1 [ RunTime:0.000631s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2716 LIMIT 1 [ RunTime:0.000704s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2717 LIMIT 1 [ RunTime:0.000695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2718 LIMIT 1 [ RunTime:0.000650s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2719 LIMIT 1 [ RunTime:0.000653s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2720 LIMIT 1 [ RunTime:0.001663s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2721 LIMIT 1 [ RunTime:0.001386s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2722 LIMIT 1 [ RunTime:0.001197s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2723 LIMIT 1 [ RunTime:0.001509s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2724 LIMIT 1 [ RunTime:0.001171s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2725 LIMIT 1 [ RunTime:0.004511s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2726 LIMIT 1 [ RunTime:0.002203s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2727 LIMIT 1 [ RunTime:0.001400s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.010695s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 4400 LIMIT 1 [ RunTime:0.049854s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:7.997850s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 88 LIMIT 1 [ RunTime:0.022468s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,458,471,462,67,473,461,324,320,319) [ RunTime:0.006183s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.002027s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.007130s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.000837s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.082954s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.004262s ]

9.172373s