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 : 2026-04-05 10:59:15 HTTP/2.0 GET : https://m.tianqibao.com/aqi/gulouqu.html
- 运行时间 : 0.192640s [ 吞吐率:5.19req/s ] 内存消耗:6,641.72kb 文件加载:241
- 查询信息 : 28 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=0035c53060f763c571281673991f7948
- CONNECT:[ UseTime:0.000925s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000866s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000859s ]
- SELECT * FROM `sa_area` WHERE `is_hot` = 1 ORDER BY `update_time` DESC LIMIT 12 [ RunTime:0.001365s ]
- SELECT * FROM `sa_area` WHERE `level` = 1 [ RunTime:0.000623s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'gulouqu' LIMIT 1 [ RunTime:0.000747s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2066 LIMIT 1 [ RunTime:0.000561s ]
- SELECT * FROM `sa_area` WHERE `pid` = 230 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.004157s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2064 LIMIT 1 [ RunTime:0.000720s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2065 LIMIT 1 [ RunTime:0.000717s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2066 LIMIT 1 [ RunTime:0.000517s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2067 LIMIT 1 [ RunTime:0.000645s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2068 LIMIT 1 [ RunTime:0.000674s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2069 LIMIT 1 [ RunTime:0.000878s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2070 LIMIT 1 [ RunTime:0.000730s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2071 LIMIT 1 [ RunTime:0.000689s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 2072 LIMIT 1 [ RunTime:0.000595s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.001374s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 2066 LIMIT 1 [ RunTime:0.005721s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.014815s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 96 LIMIT 1 [ RunTime:0.007104s ]
- SELECT * FROM `sa_area` WHERE `id` IN (321,324,323,313,320,319,408,325,322,406) [ RunTime:0.004692s ]
- SELECT * FROM `sa_area` WHERE `id` IN (99,446,95,136,419,97,74,79,90,92) [ RunTime:0.001955s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.011440s ]
- SELECT * FROM `sa_area` WHERE `id` IN (396,410,450,335,332,95,342,358,359,363) [ RunTime:0.003065s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.003204s ]
- SELECT * FROM `sa_area` WHERE `id` IN (453,86,91,427,466,467,83,452,430,465) [ RunTime:0.001835s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002049s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.001898s ]

0.209045s