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 20:45:05 HTTP/2.0 GET : https://m.tianqibao.com/aqi/kunming.html
- 运行时间 : 0.070967s [ 吞吐率:14.09req/s ] 内存消耗:6,534.69kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=97d8756c2e5549af1c8a1353837b9cd3
- CONNECT:[ UseTime:0.000375s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000660s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000617s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'kunming' LIMIT 1 [ RunTime:0.000395s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 397 LIMIT 1 [ RunTime:0.000472s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 397 LIMIT 1 [ RunTime:0.000376s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 398 LIMIT 1 [ RunTime:0.000810s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 399 LIMIT 1 [ RunTime:0.000303s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 400 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 401 LIMIT 1 [ RunTime:0.000324s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 402 LIMIT 1 [ RunTime:0.000248s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 403 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 404 LIMIT 1 [ RunTime:0.000278s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 405 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 406 LIMIT 1 [ RunTime:0.000275s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 407 LIMIT 1 [ RunTime:0.000251s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 408 LIMIT 1 [ RunTime:0.000251s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 409 LIMIT 1 [ RunTime:0.000404s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 410 LIMIT 1 [ RunTime:0.000347s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 411 LIMIT 1 [ RunTime:0.000815s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000662s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 397 LIMIT 1 [ RunTime:0.000441s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.004872s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 32 LIMIT 1 [ RunTime:0.003928s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,328,323,320,327,324,314,311,369,315) [ RunTime:0.000449s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.001259s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,132,134,95,449,109,118,127,130,418) [ RunTime:0.000445s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.001074s ]
- SELECT * FROM `sa_area` WHERE `id` IN (99,446,448,449,450,451,460,475,477,366) [ RunTime:0.000529s ]
- SELECT * FROM `sa_area` WHERE `id` IN (116,70,225,467,159,223,135,77,476,463) [ RunTime:0.000408s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000978s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000459s ]

0.077437s