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 : 2026-04-03 09:26:17 HTTP/2.0 GET : https://m.tianqibao.com/aqi/shaoxing.html
- 运行时间 : 0.174062s [ 吞吐率:5.75req/s ] 内存消耗:6,639.65kb 文件加载:241
- 查询信息 : 26 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=6b817986b61860d828571b11197ac35e
- CONNECT:[ UseTime:0.001096s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003108s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000993s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'shaoxing' LIMIT 1 [ RunTime:0.001065s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.001965s ]
- SELECT * FROM `sa_area` WHERE `pid` = 11 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.002964s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 166 LIMIT 1 [ RunTime:0.000706s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 167 LIMIT 1 [ RunTime:0.000493s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 168 LIMIT 1 [ RunTime:0.000294s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 169 LIMIT 1 [ RunTime:0.000505s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 170 LIMIT 1 [ RunTime:0.000275s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.000250s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 172 LIMIT 1 [ RunTime:0.000397s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 173 LIMIT 1 [ RunTime:0.000250s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 174 LIMIT 1 [ RunTime:0.000789s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 175 LIMIT 1 [ RunTime:0.000291s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 176 LIMIT 1 [ RunTime:0.000798s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.004097s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.005928s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.023115s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 3 LIMIT 1 [ RunTime:0.010514s ]
- SELECT * FROM `sa_area` WHERE `id` IN (313,324,321,408,323,320,319,310,309,406) [ RunTime:0.000483s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,122,98,418,419,449,450,93,95,97) [ RunTime:0.000671s ]
- SELECT * FROM `sa_area` WHERE `id` IN (200,354,410,335,366,171,358,363,336,342) [ RunTime:0.001449s ]
- SELECT * FROM `sa_area` WHERE `id` IN (116,115,94,91,90,456,453,89,121,454) [ RunTime:0.000448s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001003s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000368s ]

0.180822s