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 : 2026-02-05 17:58:06 HTTP/2.0 GET : https://m.tianqibao.com/aqi/baoshan.html
- 运行时间 : 0.057232s [ 吞吐率:17.47req/s ] 内存消耗:6,661.69kb 文件加载:241
- 查询信息 : 32 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=337a06312b8e990e5b0bbe465872ead1
- CONNECT:[ UseTime:0.000339s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000501s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000497s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.000784s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000414s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'baoshan' LIMIT 1 [ RunTime:0.000535s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 400 LIMIT 1 [ RunTime:0.000293s ]
- SELECT * FROM `sa_area` WHERE `pid` = 25 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.000624s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 397 LIMIT 1 [ RunTime:0.000307s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 398 LIMIT 1 [ RunTime:0.000253s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 399 LIMIT 1 [ RunTime:0.000250s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 400 LIMIT 1 [ RunTime:0.000268s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 401 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 402 LIMIT 1 [ RunTime:0.000256s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 403 LIMIT 1 [ RunTime:0.000274s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 404 LIMIT 1 [ RunTime:0.000256s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 405 LIMIT 1 [ RunTime:0.000261s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 406 LIMIT 1 [ RunTime:0.000447s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 407 LIMIT 1 [ RunTime:0.000264s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 408 LIMIT 1 [ RunTime:0.000257s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 409 LIMIT 1 [ RunTime:0.000265s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 410 LIMIT 1 [ RunTime:0.000276s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 411 LIMIT 1 [ RunTime:0.000247s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000518s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 400 LIMIT 1 [ RunTime:0.000406s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003640s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 0 LIMIT 1 [ RunTime:0.003330s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,324,323,313,408,327,321,311,406,328) [ RunTime:0.000378s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,130,99,136,127,135,104,125,131,134) [ RunTime:0.000373s ]
- SELECT * FROM `sa_area` WHERE `id` IN (396,400,441,446,450,465,95,358,359,366) [ RunTime:0.000379s ]
- SELECT * FROM `sa_area` WHERE `id` IN (112,308,255,219,228,226,214,111,224,220) [ RunTime:0.000333s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000516s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000312s ]

0.063135s