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 : 2025-12-05 19:36:43 HTTP/2.0 GET : https://m.tianqibao.com/aqi/liuzhou.html
- 运行时间 : 2.181331s [ 吞吐率:0.46req/s ] 内存消耗:6,446.05kb 文件加载:241
- 查询信息 : 33 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=d59981397a012d5317d988c10d8fbfb1
- CONNECT:[ UseTime:0.001935s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.005792s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002005s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'liuzhou' LIMIT 1 [ RunTime:0.005397s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 297 LIMIT 1 [ RunTime:0.002884s ]
- SELECT * FROM `sa_area` WHERE `pid` = 20 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.001694s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 296 LIMIT 1 [ RunTime:0.001829s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 297 LIMIT 1 [ RunTime:0.001149s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 298 LIMIT 1 [ RunTime:0.002361s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 299 LIMIT 1 [ RunTime:0.001376s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 300 LIMIT 1 [ RunTime:0.000766s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 301 LIMIT 1 [ RunTime:0.001757s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 302 LIMIT 1 [ RunTime:0.001879s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 303 LIMIT 1 [ RunTime:0.000940s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 304 LIMIT 1 [ RunTime:0.002665s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 305 LIMIT 1 [ RunTime:0.002560s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 306 LIMIT 1 [ RunTime:0.002161s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 307 LIMIT 1 [ RunTime:0.002797s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 308 LIMIT 1 [ RunTime:0.001803s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 309 LIMIT 1 [ RunTime:0.002121s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002303s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 297 LIMIT 1 [ RunTime:0.006633s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.914553s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 59 LIMIT 1 [ RunTime:0.021107s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.005725s ]
- SELECT * FROM `sa_area` WHERE `id` IN (327,324,311,408,325,318,312,326,321,314) [ RunTime:0.001950s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.011245s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,127,136,446,134,130,450,418,449,120) [ RunTime:0.001303s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.008314s ]
- SELECT * FROM `sa_area` WHERE `id` IN (414,415,95,312,473,365,342,366,358,363) [ RunTime:0.002128s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.005441s ]
- SELECT * FROM `sa_area` WHERE `id` IN (526,129,474,457,461,420,238,466,226,78) [ RunTime:0.001324s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002767s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001431s ]

2.193158s