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 13:08:52 HTTP/2.0 GET : https://m.tianqibao.com/aqi/mingshanqu.html
- 运行时间 : 1.309584s [ 吞吐率:0.76req/s ] 内存消耗:6,648.30kb 文件加载:241
- 查询信息 : 23 queries
- 缓存信息 : 18 reads,4 writes
- 会话信息 : SESSION_ID=9fc01cc06f7bf74c10e696a927f6c92f
- CONNECT:[ UseTime:0.002532s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.057891s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.034907s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.037039s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000546s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'mingshanqu' LIMIT 1 [ RunTime:0.050037s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2833 LIMIT 1 [ RunTime:0.000421s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2832 LIMIT 1 [ RunTime:0.000695s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2833 LIMIT 1 [ RunTime:0.000604s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2834 LIMIT 1 [ RunTime:0.000276s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2835 LIMIT 1 [ RunTime:0.000254s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2836 LIMIT 1 [ RunTime:0.000252s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2837 LIMIT 1 [ RunTime:0.000315s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2838 LIMIT 1 [ RunTime:0.000249s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2839 LIMIT 1 [ RunTime:0.000262s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.015494s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 2833 LIMIT 1 [ RunTime:0.049354s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 18 LIMIT 1 [ RunTime:0.033983s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,324,323,328,325,321,320,406,327,319) [ RunTime:0.001264s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,134,95,109,127,133,418,419,99,104) [ RunTime:0.003460s ]
- SELECT * FROM `sa_area` WHERE `id` IN (97,259,360,361,414,362,396,359,366,363) [ RunTime:0.000387s ]
- SELECT * FROM `sa_area` WHERE `id` IN (128,466,161,467,159,105,464,126,465,463) [ RunTime:0.000613s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.011928s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000479s ]

1.318082s