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 : 2026-05-20 12:44:21 HTTP/2.0 GET : https://m.tianqibao.com/aqi/pinghexian.html
- 运行时间 : 1.515760s [ 吞吐率:0.66req/s ] 内存消耗:6,664.80kb 文件加载:241
- 查询信息 : 29 queries
- 缓存信息 : 17 reads,7 writes
- 会话信息 : SESSION_ID=234d5528eed95fc89bd340115b9d3cff
- CONNECT:[ UseTime:0.007499s ] mysql:host=127.0.0.1;port=3306;dbname=tianqibao;charset=utf8mb4
- SHOW FULL COLUMNS FROM `sa_config` [ RunTime:0.005549s ]
- SHOW FULL COLUMNS FROM `sa_area` [ RunTime:0.001507s ]
- SELECT * FROM `sa_area` WHERE `pinyin` = 'pinghexian' LIMIT 1 [ RunTime:0.001792s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1770 LIMIT 1 [ RunTime:0.000549s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1761 LIMIT 1 [ RunTime:0.000285s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1762 LIMIT 1 [ RunTime:0.000289s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1763 LIMIT 1 [ RunTime:0.000291s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1764 LIMIT 1 [ RunTime:0.000249s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1765 LIMIT 1 [ RunTime:0.000344s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1766 LIMIT 1 [ RunTime:0.000271s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1767 LIMIT 1 [ RunTime:0.000248s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1768 LIMIT 1 [ RunTime:0.000265s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1769 LIMIT 1 [ RunTime:0.000269s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1770 LIMIT 1 [ RunTime:0.000314s ]
- SELECT COUNT(*) AS think_count FROM `sa_area` WHERE `pid` = 1771 LIMIT 1 [ RunTime:0.000255s ]
- SHOW FULL COLUMNS FROM `sa_area_weather` [ RunTime:0.002719s ]
- SELECT * FROM `sa_area_weather` WHERE `pid` = 1770 LIMIT 1 [ RunTime:0.008042s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 LIMIT 1 [ RunTime:1.375595s ]
- SELECT COUNT(*) AS think_count FROM `sa_area_weather` WHERE `rank` = 1 AND `aqi` > 30 LIMIT 1 [ RunTime:0.024554s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `high_temp` DESC LIMIT 10 [ RunTime:0.006636s ]
- SELECT * FROM `sa_area` WHERE `id` IN (408,369,356,337,321,320,168,465,411,406) [ RunTime:0.000561s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `low_temp` ASC LIMIT 10 [ RunTime:0.005376s ]
- SELECT * FROM `sa_area` WHERE `id` IN (419,449,418,470,475,477,450,130,412,446) [ RunTime:0.000421s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` ASC LIMIT 10 [ RunTime:0.002579s ]
- SELECT * FROM `sa_area` WHERE `id` IN (364,441,393,396,366,95,363,365,387,394) [ RunTime:0.000457s ]
- SELECT * FROM `sa_area_weather` WHERE `rank` = 1 ORDER BY `aqi` DESC LIMIT 10 [ RunTime:0.002054s ]
- SELECT * FROM `sa_area` WHERE `id` IN (467,459,468,464,478,432,471,466,474,438) [ RunTime:0.000340s ]
- SHOW FULL COLUMNS FROM `sa_cms_pages` [ RunTime:0.002400s ]
- SELECT * FROM `sa_cms_pages` WHERE `status` = 1 ORDER BY `id` ASC LIMIT 6 [ RunTime:0.000536s ]

1.521668s