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 : 2025-12-25 02:19:50 HTTP/2.0 GET : https://m.tianqibao.com/aqi/yulin.html
- 运行时间 : 3.207778s [ 吞吐率:0.31req/s ] 内存消耗:6,516.77kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=d9e3b071088e83ba2e7981f8287aa742
- CONNECT:[ UseTime:0.004531s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.039350s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.015740s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'yulin' LIMIT 1 [ RunTime:0.007812s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 304 LIMIT 1 [ RunTime:0.004818s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 296 LIMIT 1 [ RunTime:0.003571s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 297 LIMIT 1 [ RunTime:0.002661s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 298 LIMIT 1 [ RunTime:0.002437s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 299 LIMIT 1 [ RunTime:0.002214s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 300 LIMIT 1 [ RunTime:0.002718s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 301 LIMIT 1 [ RunTime:0.001797s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 302 LIMIT 1 [ RunTime:0.002775s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 303 LIMIT 1 [ RunTime:0.001627s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 304 LIMIT 1 [ RunTime:0.002735s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 305 LIMIT 1 [ RunTime:0.002908s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 306 LIMIT 1 [ RunTime:0.002304s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 307 LIMIT 1 [ RunTime:0.002859s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 308 LIMIT 1 [ RunTime:0.002301s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 309 LIMIT 1 [ RunTime:0.003207s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.004666s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 304 LIMIT 1 [ RunTime:0.019810s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:2.488640s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 10 LIMIT 1 [ RunTime:0.022107s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.047705s ]
- SELECT * FROM `sa_area` WHERE `id` IN (311,408,327,325,312,326,315,314,318,317) [ RunTime:0.004742s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,95,130,127,118,125,117,124,131,134) [ RunTime:0.002833s ]
- SELECT * FROM `sa_area` WHERE `id` IN (123,296,304,308,361,306,307,203,208,212) [ RunTime:0.002951s ]
- SELECT * FROM `sa_area` WHERE `id` IN (112,474,235,110,115,238,163,151,233,150) [ RunTime:0.002222s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.008017s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002104s ]

3.216866s