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 : 2026-06-05 03:03:56 HTTP/2.0 GET : https://m.tianqibao.com/aqi/panzhihua.html
- 运行时间 : 0.079739s [ 吞吐率:12.54req/s ] 内存消耗:6,674.22kb 文件加载:241
- 查询信息 : 32 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=48bea49cb30b9b31d1b577a0e0d5e62f
- CONNECT:[ UseTime:0.000570s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000991s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001104s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.001155s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000809s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'panzhihua' LIMIT 1 [ RunTime:0.000732s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 369 LIMIT 1 [ RunTime:0.000571s ]
- SELECT * FROM `sa_area` WHERE `pid` = 23 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.003142s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 367 LIMIT 1 [ RunTime:0.000631s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 368 LIMIT 1 [ RunTime:0.000545s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 369 LIMIT 1 [ RunTime:0.000520s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 370 LIMIT 1 [ RunTime:0.000554s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 371 LIMIT 1 [ RunTime:0.000589s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 372 LIMIT 1 [ RunTime:0.000515s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 373 LIMIT 1 [ RunTime:0.000513s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 374 LIMIT 1 [ RunTime:0.000574s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 375 LIMIT 1 [ RunTime:0.000510s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 376 LIMIT 1 [ RunTime:0.000512s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 377 LIMIT 1 [ RunTime:0.000539s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 378 LIMIT 1 [ RunTime:0.000524s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 379 LIMIT 1 [ RunTime:0.000509s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 380 LIMIT 1 [ RunTime:0.000493s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 381 LIMIT 1 [ RunTime:0.000487s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000939s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 369 LIMIT 1 [ RunTime:0.000776s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003499s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 16 LIMIT 1 [ RunTime:0.003901s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,458,471,462,67,473,461,324,320,319) [ RunTime:0.000879s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,136,418,446,443,450,95,130,414,449) [ RunTime:0.000690s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.000902s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.000866s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001325s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000751s ]

0.085848s