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 : 2026-04-01 22:29:31 HTTP/2.0 GET : https://m.tianqibao.com/aqi/langaoxian.html
- 运行时间 : 0.146329s [ 吞吐率:6.83req/s ] 内存消耗:6,520.65kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=65007474a6909659b4e06fe27a0c95ac
- CONNECT:[ UseTime:0.000655s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.001418s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.002031s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'langaoxian' LIMIT 1 [ RunTime:0.000766s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3286 LIMIT 1 [ RunTime:0.000426s ]
- SELECT * FROM `sa_area` WHERE `pid` = 428 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.003874s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3281 LIMIT 1 [ RunTime:0.000716s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3282 LIMIT 1 [ RunTime:0.000317s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3283 LIMIT 1 [ RunTime:0.000739s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3284 LIMIT 1 [ RunTime:0.021627s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3285 LIMIT 1 [ RunTime:0.014939s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3286 LIMIT 1 [ RunTime:0.000322s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3287 LIMIT 1 [ RunTime:0.000310s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3288 LIMIT 1 [ RunTime:0.000263s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3289 LIMIT 1 [ RunTime:0.000501s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 3290 LIMIT 1 [ RunTime:0.002482s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001739s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 3286 LIMIT 1 [ RunTime:0.001929s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.005365s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 36 LIMIT 1 [ RunTime:0.005615s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.001204s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,328,323,320,327,324,314,311,369,315) [ RunTime:0.000845s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.001900s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,132,134,95,449,109,118,127,130,418) [ RunTime:0.000576s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.001793s ]
- SELECT * FROM `sa_area` WHERE `id` IN (99,446,448,449,450,451,460,475,477,366) [ RunTime:0.000528s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.001638s ]
- SELECT * FROM `sa_area` WHERE `id` IN (116,70,225,467,159,223,135,77,476,463) [ RunTime:0.000707s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001425s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000676s ]

0.153544s