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 : 2026-03-16 02:21:12 HTTP/2.0 GET : https://m.tianqibao.com/aqi/wuxishi.html
- 运行时间 : 1.024256s [ 吞吐率:0.98req/s ] 内存消耗:6,512.74kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,5 writes
- 会话信息 : SESSION_ID=e590c94ad709b2a7e780dbac3de1c144
- CONNECT:[ UseTime:0.002218s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.005118s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001701s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.002696s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000445s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'wuxishi' LIMIT 1 [ RunTime:0.001062s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 154 LIMIT 1 [ RunTime:0.000284s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 153 LIMIT 1 [ RunTime:0.000308s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 154 LIMIT 1 [ RunTime:0.000258s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 155 LIMIT 1 [ RunTime:0.000338s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 156 LIMIT 1 [ RunTime:0.000337s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 157 LIMIT 1 [ RunTime:0.000535s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 158 LIMIT 1 [ RunTime:0.000256s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 159 LIMIT 1 [ RunTime:0.000470s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 160 LIMIT 1 [ RunTime:0.000334s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 161 LIMIT 1 [ RunTime:0.000279s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 162 LIMIT 1 [ RunTime:0.000391s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 163 LIMIT 1 [ RunTime:0.000282s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 164 LIMIT 1 [ RunTime:0.000244s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 165 LIMIT 1 [ RunTime:0.000240s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000732s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 154 LIMIT 1 [ RunTime:0.002685s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.846891s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 36 LIMIT 1 [ RunTime:0.026621s ]
- SELECT * FROM `sa_area` WHERE `id` IN (325,324,323,312,311,528,524,523,522,521) [ RunTime:0.002974s ]
- SELECT * FROM `sa_area` WHERE `id` IN (130,134,136,95,127,443,470,475,477,133) [ RunTime:0.005700s ]
- SELECT * FROM `sa_area` WHERE `id` IN (99,364,396,418,450,358,363,366,393,335) [ RunTime:0.000839s ]
- SELECT * FROM `sa_area` WHERE `id` IN (466,465,464,467,463,476,112,104,115,101) [ RunTime:0.000580s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.005315s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001105s ]

1.032351s