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 : 2025-12-24 22:38:31 HTTP/2.0 GET : https://m.tianqibao.com/aqi/chongzuo.html
- 运行时间 : 2.321103s [ 吞吐率:0.43req/s ] 内存消耗:6,513.56kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=d90dd2854c0c26dcd71ac8101caeb519
- CONNECT:[ UseTime:0.003193s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.008450s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.004748s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'chongzuo' LIMIT 1 [ RunTime:0.005088s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 309 LIMIT 1 [ RunTime:0.002813s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 296 LIMIT 1 [ RunTime:0.000989s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 297 LIMIT 1 [ RunTime:0.001225s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 298 LIMIT 1 [ RunTime:0.001288s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 299 LIMIT 1 [ RunTime:0.001675s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 300 LIMIT 1 [ RunTime:0.001274s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 301 LIMIT 1 [ RunTime:0.001717s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 302 LIMIT 1 [ RunTime:0.002276s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 303 LIMIT 1 [ RunTime:0.001244s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 304 LIMIT 1 [ RunTime:0.003060s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 305 LIMIT 1 [ RunTime:0.002418s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 306 LIMIT 1 [ RunTime:0.004444s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 307 LIMIT 1 [ RunTime:0.001341s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 308 LIMIT 1 [ RunTime:0.002904s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 309 LIMIT 1 [ RunTime:0.001946s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002282s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 309 LIMIT 1 [ RunTime:0.014103s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:2.090032s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 10 LIMIT 1 [ RunTime:0.009792s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.003328s ]
- SELECT * FROM `sa_area` WHERE `id` IN (327,325,324,321,314,311,328,326,323,320) [ RunTime:0.004711s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.004591s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,130,95,127,134,131,99,124,125,135) [ RunTime:0.000793s ]
- SELECT * FROM `sa_area` WHERE `id` IN (123,361,306,309,448,207,297,270,446,173) [ RunTime:0.001637s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.003478s ]
- SELECT * FROM `sa_area` WHERE `id` IN (474,71,230,148,181,151,257,236,235,281) [ RunTime:0.000914s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002552s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001691s ]

2.329718s