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 : 2026-05-15 15:30:06 HTTP/2.0 GET : https://m.tianqibao.com/aqi/wulanchabu.html
- 运行时间 : 0.155284s [ 吞吐率:6.44req/s ] 内存消耗:6,656.74kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=31a3f4d36e8699ef62682f18fa24fa0d
- CONNECT:[ UseTime:0.001947s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003816s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001505s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'wulanchabu' LIMIT 1 [ RunTime:0.003991s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 97 LIMIT 1 [ RunTime:0.001078s ]
- SELECT * FROM `sa_area` WHERE `pid` = 5 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.000556s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 89 LIMIT 1 [ RunTime:0.000795s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 90 LIMIT 1 [ RunTime:0.000537s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 91 LIMIT 1 [ RunTime:0.000325s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 92 LIMIT 1 [ RunTime:0.000325s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 93 LIMIT 1 [ RunTime:0.000348s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 94 LIMIT 1 [ RunTime:0.000312s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 95 LIMIT 1 [ RunTime:0.000308s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 96 LIMIT 1 [ RunTime:0.000323s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 97 LIMIT 1 [ RunTime:0.000292s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 98 LIMIT 1 [ RunTime:0.000317s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 99 LIMIT 1 [ RunTime:0.000386s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 100 LIMIT 1 [ RunTime:0.000269s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001757s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 97 LIMIT 1 [ RunTime:0.001017s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.009257s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 0 LIMIT 1 [ RunTime:0.012988s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.001922s ]
- SELECT * FROM `sa_area` WHERE `id` IN (324,323,309,318,313,306,296,406,327,321) [ RunTime:0.001517s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.002636s ]
- SELECT * FROM `sa_area` WHERE `id` IN (418,95,446,419,449,450,385,412,443,448) [ RunTime:0.000682s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.004170s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,259,360,361,410,415,443,445,362,468) [ RunTime:0.000480s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.003282s ]
- SELECT * FROM `sa_area` WHERE `id` IN (467,128,459,117,115,464,131,112,118,127) [ RunTime:0.001739s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.001391s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000811s ]

0.166852s