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 : 2026-02-17 00:32:30 HTTP/2.0 GET : https://m.tianqibao.com/aqi/shaoxing.html
- 运行时间 : 0.069637s [ 吞吐率:14.36req/s ] 内存消耗:6,501.73kb 文件加载:241
- 查询信息 : 31 queries
- 缓存信息 : 17 reads,8 writes
- 会话信息 : SESSION_ID=77ce7170ef152a4ca656d3ff7707b726
- CONNECT:[ UseTime:0.000379s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.000662s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.000691s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'shaoxing' LIMIT 1 [ RunTime:0.000486s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.000314s ]
- SELECT * FROM `sa_area` WHERE `pid` = 11 AND `scenic_spots` = 0 LIMIT 15 [ RunTime:0.000465s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 166 LIMIT 1 [ RunTime:0.000522s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 167 LIMIT 1 [ RunTime:0.000406s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 168 LIMIT 1 [ RunTime:0.000296s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 169 LIMIT 1 [ RunTime:0.000258s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 170 LIMIT 1 [ RunTime:0.000285s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.000263s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 172 LIMIT 1 [ RunTime:0.000244s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 173 LIMIT 1 [ RunTime:0.000285s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 174 LIMIT 1 [ RunTime:0.000250s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 175 LIMIT 1 [ RunTime:0.000246s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 176 LIMIT 1 [ RunTime:0.000246s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.000560s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 171 LIMIT 1 [ RunTime:0.000458s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:0.003282s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 24 LIMIT 1 [ RunTime:0.003417s ]
- SELECT * FROM `sa_area` WHERE `id` IN (321,313,311,286,328,327,325,324,323,320) [ RunTime:0.000473s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.002064s ]
- SELECT * FROM `sa_area` WHERE `id` IN (136,130,79,127,418,95,134,446,99,120) [ RunTime:0.000444s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.001666s ]
- SELECT * FROM `sa_area` WHERE `id` IN (79,449,396,366,342,358,363,95,359,365) [ RunTime:0.000397s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.000697s ]
- SELECT * FROM `sa_area` WHERE `id` IN (130,120,119,118,113,106,105,88,84,83) [ RunTime:0.000363s ]
- SHOW FULL COLUMNS FROM `sa_foreign_area` [ RunTime:0.000564s ]
- SELECT * FROM `sa_foreign_area` WHERE `level` = 2 AND `weather_id` IS NOT NULL ORDER BY `update_time` DESC LIMIT 90 [ RunTime:0.008074s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.000548s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000302s ]

0.075934s