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 : 2026-04-28 19:10:06 HTTP/2.0 GET : https://m.tianqibao.com/aqi/mugecuo.html
- 运行时间 : 1.114840s [ 吞吐率:0.90req/s ] 内存消耗:6,689.34kb 文件加载:241
- 查询信息 : 30 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=e9c1a73443b2a5777d4366002cf69e7b
- CONNECT:[ UseTime:0.002442s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.002059s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.008221s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'mugecuo' LIMIT 1 [ RunTime:0.003840s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3587 LIMIT 1 [ RunTime:0.000921s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2861 LIMIT 1 [ RunTime:0.003023s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2862 LIMIT 1 [ RunTime:0.005135s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2863 LIMIT 1 [ RunTime:0.002750s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2864 LIMIT 1 [ RunTime:0.005508s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2865 LIMIT 1 [ RunTime:0.005113s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2866 LIMIT 1 [ RunTime:0.007157s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2867 LIMIT 1 [ RunTime:0.004930s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2868 LIMIT 1 [ RunTime:0.001718s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2869 LIMIT 1 [ RunTime:0.001509s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2870 LIMIT 1 [ RunTime:0.002267s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2871 LIMIT 1 [ RunTime:0.001277s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2872 LIMIT 1 [ RunTime:0.000374s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2873 LIMIT 1 [ RunTime:0.000566s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2874 LIMIT 1 [ RunTime:0.000881s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2875 LIMIT 1 [ RunTime:0.000371s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.009599s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 3587 LIMIT 1 [ RunTime:0.002647s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.706755s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 27 LIMIT 1 [ RunTime:0.057532s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.004620s ]
- SELECT * FROM `sa_area` WHERE `id` IN (324,459,321,325,323,322,320,313,310,328) [ RunTime:0.001177s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,97,449,450,446,120,83,136,385,386) [ RunTime:0.002153s ]
- SELECT * FROM `sa_area` WHERE `id` IN (79,396,410,414,445,449,451,475,477,448) [ RunTime:0.004262s ]
- SELECT * FROM `sa_area` WHERE `id` IN (438,431,467,466,465,420,459,421,464,423) [ RunTime:0.002865s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.006746s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002972s ]

1.134345s