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 : 2026-01-12 21:45:07 HTTP/2.0 GET : https://m.tianqibao.com/aqi/kekedala.html
- 运行时间 : 0.234422s [ 吞吐率:4.27req/s ] 内存消耗:6,534.89kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,3 writes
- 会话信息 : SESSION_ID=666c3f01ac6587ae2c5dfd15bca71917
- CONNECT:[ UseTime:0.000688s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000894s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000949s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'kekedala' LIMIT 1 [ RunTime:0.000472s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 478 LIMIT 1 [ RunTime:0.000326s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 457 LIMIT 1 [ RunTime:0.000312s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 458 LIMIT 1 [ RunTime:0.000289s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 459 LIMIT 1 [ RunTime:0.000667s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 460 LIMIT 1 [ RunTime:0.000305s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 461 LIMIT 1 [ RunTime:0.000347s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 462 LIMIT 1 [ RunTime:0.000267s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 463 LIMIT 1 [ RunTime:0.000303s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 464 LIMIT 1 [ RunTime:0.000309s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 465 LIMIT 1 [ RunTime:0.000275s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 466 LIMIT 1 [ RunTime:0.000423s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 467 LIMIT 1 [ RunTime:0.000313s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 468 LIMIT 1 [ RunTime:0.000271s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 469 LIMIT 1 [ RunTime:0.000233s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 470 LIMIT 1 [ RunTime:0.000245s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 471 LIMIT 1 [ RunTime:0.000406s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001358s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 478 LIMIT 1 [ RunTime:0.000682s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.134141s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 23 LIMIT 1 [ RunTime:0.024285s ]
- SELECT * FROM `sa_area` WHERE `id` IN (311,327,325,324,313,312,326,323,321,320) [ RunTime:0.000593s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,136,134,127,130,99,131,135,120,124) [ RunTime:0.000523s ]
- SELECT * FROM `sa_area` WHERE `id` IN (79,123,465,473,314,325,479,472,323,327) [ RunTime:0.006326s ]
- SELECT * FROM `sa_area` WHERE `id` IN (474,471,380,457,367,376,371,378,377,370) [ RunTime:0.000443s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000554s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000337s ]

0.240303s