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 : 2026-04-29 22:04:14 HTTP/2.0 GET : https://m.tianqibao.com/aqi/fuqing.html
- 运行时间 : 3.668037s [ 吞吐率:0.27req/s ] 内存消耗:6,687.50kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,4 writes
- 会话信息 : SESSION_ID=29e8e9a07ec9dacbe0d2402f7e8bc8a1
- CONNECT:[ UseTime:0.005492s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.023204s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.015189s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.016848s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'fuqing' LIMIT 1 [ RunTime:0.011800s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1727 LIMIT 1 [ RunTime:0.001088s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1715 LIMIT 1 [ RunTime:0.003077s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1716 LIMIT 1 [ RunTime:0.003224s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1717 LIMIT 1 [ RunTime:0.001699s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1718 LIMIT 1 [ RunTime:0.002126s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1719 LIMIT 1 [ RunTime:0.003178s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1720 LIMIT 1 [ RunTime:0.003085s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1721 LIMIT 1 [ RunTime:0.002456s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1722 LIMIT 1 [ RunTime:0.001868s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1723 LIMIT 1 [ RunTime:0.003244s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1724 LIMIT 1 [ RunTime:0.001594s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1725 LIMIT 1 [ RunTime:0.002739s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1726 LIMIT 1 [ RunTime:0.001700s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1727 LIMIT 1 [ RunTime:0.003141s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.008694s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1727 LIMIT 1 [ RunTime:0.032938s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:3.287306s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 23 LIMIT 1 [ RunTime:0.014067s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,312,459,327,326,316,315,314,311,328) [ RunTime:0.001967s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,446,449,79,130,418,419,443,97,136) [ RunTime:0.007088s ]
- SELECT * FROM `sa_area` WHERE `id` IN (451,95,366,459,442,363,347,358,359,330) [ RunTime:0.001432s ]
- SELECT * FROM `sa_area` WHERE `id` IN (466,465,467,464,460,422,430,441,470,437) [ RunTime:0.001035s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.003382s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002470s ]

3.677222s