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 : 2025-11-07 02:27:31 HTTP/2.0 GET : https://m.tianqibao.com/aqi/taibei.html
- 运行时间 : 0.423507s [ 吞吐率:2.36req/s ] 内存消耗:6,509.34kb 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=b0baba7dd8280cca2bd94e90d93fc782
- CONNECT:[ UseTime:0.001125s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.004254s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002243s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'taibei' LIMIT 1 [ RunTime:0.002085s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 510 LIMIT 1 [ RunTime:0.001357s ]
- SELECT * FROM `sa_area` WHERE `pid` = 34 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.004884s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 510 LIMIT 1 [ RunTime:0.000769s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 511 LIMIT 1 [ RunTime:0.000475s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 512 LIMIT 1 [ RunTime:0.000720s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 513 LIMIT 1 [ RunTime:0.000932s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 514 LIMIT 1 [ RunTime:0.000742s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 515 LIMIT 1 [ RunTime:0.000655s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 516 LIMIT 1 [ RunTime:0.000841s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 517 LIMIT 1 [ RunTime:0.000688s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 518 LIMIT 1 [ RunTime:0.000632s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 520 LIMIT 1 [ RunTime:0.000671s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 521 LIMIT 1 [ RunTime:0.000714s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 522 LIMIT 1 [ RunTime:0.000592s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 523 LIMIT 1 [ RunTime:0.000737s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 524 LIMIT 1 [ RunTime:0.000764s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 526 LIMIT 1 [ RunTime:0.001057s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001230s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 510 LIMIT 1 [ RunTime:0.003333s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.175400s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 108 LIMIT 1 [ RunTime:0.020719s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.005129s ]
- SELECT * FROM `sa_area` WHERE `id` IN (528,524,523,522,521,513,408,324,318,294) [ RunTime:0.004581s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,127,419,134,418,130,446,95,460,132) [ RunTime:0.003788s ]
- SELECT * FROM `sa_area` WHERE `id` IN (412,441,358,363,366,342,365,95,359,398) [ RunTime:0.003976s ]
- SELECT * FROM `sa_area` WHERE `id` IN (467,438,431,518,234,233,70,71,77,135) [ RunTime:0.000978s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001721s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000592s ]

0.429889s