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 : 2025-12-02 08:44:13 HTTP/2.0 GET : https://m.tianqibao.com/aqi/longyan.html
- 运行时间 : 2.421566s [ 吞吐率:0.41req/s ] 内存消耗:6,597.80kb 文件加载:241
- 查询信息 : 26 queries
- 缓存信息 : 17 reads,6 writes
- 会话信息 : SESSION_ID=8b7a3ab2a89e072d8c37d2c72f6baf2c
- CONNECT:[ UseTime:0.001979s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.004448s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.011617s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'longyan' LIMIT 1 [ RunTime:0.002865s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 200 LIMIT 1 [ RunTime:0.014864s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 193 LIMIT 1 [ RunTime:0.009784s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 194 LIMIT 1 [ RunTime:0.009824s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 195 LIMIT 1 [ RunTime:0.004656s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 196 LIMIT 1 [ RunTime:0.004818s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 197 LIMIT 1 [ RunTime:0.005810s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 198 LIMIT 1 [ RunTime:0.013845s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 199 LIMIT 1 [ RunTime:0.002498s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 200 LIMIT 1 [ RunTime:0.009254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 201 LIMIT 1 [ RunTime:0.005327s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.020310s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 200 LIMIT 1 [ RunTime:0.016129s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.934329s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 0 LIMIT 1 [ RunTime:0.010906s ]
- SELECT * FROM `sa_area` WHERE `id` IN (311,327,325,326,324,528,524,523,522,521) [ RunTime:0.001490s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.012703s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,95,127,130,99,131,134,135,98,125) [ RunTime:0.002841s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.011964s ]
- SELECT * FROM `sa_area` WHERE `id` IN (200,249,473,358,363,472,95,366,342,365) [ RunTime:0.008288s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.008999s ]
- SELECT * FROM `sa_area` WHERE `id` IN (514,518,526,466,371,370,173,346,336,331) [ RunTime:0.011372s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002473s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.002274s ]

2.438250s