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 : 2026-07-15 14:41:35 HTTP/2.0 GET : https://m.tianqibao.com/aqi/lipu.html
- 运行时间 : 0.234974s [ 吞吐率:4.26req/s ] 内存消耗:6,666.66kb 文件加载:241
- 查询信息 : 33 queries
- 缓存信息 : 17 reads,7 writes
- 会话信息 : SESSION_ID=ab81b3685bcc03166adb4a95986d74d6
- CONNECT:[ UseTime:0.007211s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.004858s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001873s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.001667s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'lipu' LIMIT 1 [ RunTime:0.005305s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2629 LIMIT 1 [ RunTime:0.000706s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2613 LIMIT 1 [ RunTime:0.002017s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2614 LIMIT 1 [ RunTime:0.001722s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2615 LIMIT 1 [ RunTime:0.001050s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2616 LIMIT 1 [ RunTime:0.001485s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2617 LIMIT 1 [ RunTime:0.001122s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2618 LIMIT 1 [ RunTime:0.000886s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2619 LIMIT 1 [ RunTime:0.000917s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2620 LIMIT 1 [ RunTime:0.000887s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2621 LIMIT 1 [ RunTime:0.000753s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2622 LIMIT 1 [ RunTime:0.000745s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2623 LIMIT 1 [ RunTime:0.000790s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2624 LIMIT 1 [ RunTime:0.000841s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2625 LIMIT 1 [ RunTime:0.000878s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2626 LIMIT 1 [ RunTime:0.001084s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2627 LIMIT 1 [ RunTime:0.002700s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002196s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 2629 LIMIT 1 [ RunTime:0.007414s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.006734s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 44 LIMIT 1 [ RunTime:0.013972s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.005024s ]
- SELECT * FROM `sa_area` WHERE `id` IN (459,362,360,428,381,380,377,356,336,334) [ RunTime:0.002145s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.003562s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,418,446,450,95,130,414,449,127,412) [ RunTime:0.002034s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.011163s ]
- SELECT * FROM `sa_area` WHERE `id` IN (450,396,95,468,407,123,366,410,412,342) [ RunTime:0.006906s ]
- SELECT * FROM `sa_area` WHERE `id` IN (241,476,463,251,371,232,189,84,465,466) [ RunTime:0.002643s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.003621s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001429s ]

0.245103s