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 : 2026-03-03 22:25:11 HTTP/2.0 GET : https://m.tianqibao.com/aqi/shuozhou.html
- 运行时间 : 0.074053s [ 吞吐率:13.50req/s ] 内存消耗:6,526.10kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=a97cd7d6c429adc5d32ccc145f84793f
- CONNECT:[ UseTime:0.000563s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000673s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000879s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'shuozhou' LIMIT 1 [ RunTime:0.000461s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 83 LIMIT 1 [ RunTime:0.000797s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 78 LIMIT 1 [ RunTime:0.000679s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 79 LIMIT 1 [ RunTime:0.000299s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 80 LIMIT 1 [ RunTime:0.000258s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 81 LIMIT 1 [ RunTime:0.000258s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 82 LIMIT 1 [ RunTime:0.000257s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 83 LIMIT 1 [ RunTime:0.000238s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 84 LIMIT 1 [ RunTime:0.000238s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 85 LIMIT 1 [ RunTime:0.000265s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 86 LIMIT 1 [ RunTime:0.000245s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 87 LIMIT 1 [ RunTime:0.000276s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 88 LIMIT 1 [ RunTime:0.000642s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000562s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 83 LIMIT 1 [ RunTime:0.001327s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003632s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 114 LIMIT 1 [ RunTime:0.002472s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,311,328,320,327,406,326,319,315,314) [ RunTime:0.000432s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.001695s ]
- SELECT * FROM `sa_area` WHERE `id` IN (95,99,136,418,98,125,127,122,129,131) [ RunTime:0.000385s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.002491s ]
- SELECT * FROM `sa_area` WHERE `id` IN (396,414,415,416,417,449,95,389,365,366) [ RunTime:0.000381s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.001304s ]
- SELECT * FROM `sa_area` WHERE `id` IN (105,103,464,467,110,116,108,466,465,112) [ RunTime:0.000375s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000707s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000323s ]

0.080254s