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 : 2026-05-23 07:54:58 HTTP/2.0 GET : https://m.tianqibao.com/aqi/lianchiqu.html
- 运行时间 : 0.124316s [ 吞吐率:8.04req/s ] 内存消耗:6,678.48kb 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=136a2963c22435fba3aa123193624ea0
- CONNECT:[ UseTime:0.000811s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000864s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001777s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'lianchiqu' LIMIT 1 [ RunTime:0.001058s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 779 LIMIT 1 [ RunTime:0.000742s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 778 LIMIT 1 [ RunTime:0.000360s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 779 LIMIT 1 [ RunTime:0.000647s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 780 LIMIT 1 [ RunTime:0.001183s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 781 LIMIT 1 [ RunTime:0.000988s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 782 LIMIT 1 [ RunTime:0.000917s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 783 LIMIT 1 [ RunTime:0.000721s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 784 LIMIT 1 [ RunTime:0.000607s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 785 LIMIT 1 [ RunTime:0.000402s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 786 LIMIT 1 [ RunTime:0.000642s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 787 LIMIT 1 [ RunTime:0.000538s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 788 LIMIT 1 [ RunTime:0.000500s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 789 LIMIT 1 [ RunTime:0.001263s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 790 LIMIT 1 [ RunTime:0.001061s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 791 LIMIT 1 [ RunTime:0.000645s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 792 LIMIT 1 [ RunTime:0.000631s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000906s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 779 LIMIT 1 [ RunTime:0.000726s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.007757s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 24 LIMIT 1 [ RunTime:0.015839s ]
- SELECT * FROM `sa_area` WHERE `id` IN (324,322,321,320,305,369,323,319,313,310) [ RunTime:0.000843s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,418,450,449,443,385,446,469,470,475) [ RunTime:0.000799s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,335,123,366,359,363,358,63,173,342) [ RunTime:0.000676s ]
- SELECT * FROM `sa_area` WHERE `id` IN (467,457,471,461,476,463,474,186,177,163) [ RunTime:0.000542s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000731s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000968s ]

0.132785s