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 : 2026-05-20 15:40:58 HTTP/2.0 GET : https://m.tianqibao.com/aqi/liangping.html
- 运行时间 : 1.390740s [ 吞吐率:0.72req/s ] 内存消耗:6,680.34kb 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=2a6037754f4a35a069ec02d437613874
- CONNECT:[ UseTime:0.001127s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.003210s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.004610s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'liangping' LIMIT 1 [ RunTime:0.001025s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 353 LIMIT 1 [ RunTime:0.001363s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 329 LIMIT 1 [ RunTime:0.000800s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 330 LIMIT 1 [ RunTime:0.000261s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 331 LIMIT 1 [ RunTime:0.000738s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 332 LIMIT 1 [ RunTime:0.000265s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 333 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 334 LIMIT 1 [ RunTime:0.000438s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 335 LIMIT 1 [ RunTime:0.000426s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 336 LIMIT 1 [ RunTime:0.000259s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 337 LIMIT 1 [ RunTime:0.000704s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 338 LIMIT 1 [ RunTime:0.000928s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 339 LIMIT 1 [ RunTime:0.000282s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 340 LIMIT 1 [ RunTime:0.000336s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 341 LIMIT 1 [ RunTime:0.000342s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 342 LIMIT 1 [ RunTime:0.000273s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 343 LIMIT 1 [ RunTime:0.000251s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000741s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 353 LIMIT 1 [ RunTime:0.000501s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.270220s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 15 LIMIT 1 [ RunTime:0.005435s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,369,356,337,321,320,168,465,411,406) [ RunTime:0.000392s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.001466s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,449,418,470,475,477,450,130,412,446) [ RunTime:0.000335s ]
- SELECT * FROM `sa_area` WHERE `id` IN (364,441,393,396,366,95,363,365,387,394) [ RunTime:0.000361s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.001161s ]
- SELECT * FROM `sa_area` WHERE `id` IN (467,459,468,464,478,432,471,466,474,438) [ RunTime:0.000348s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000584s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000340s ]

1.396659s