Update README.md

Author: devgopher

README.md

@@ -39,7 +39,7 @@ On a bot side we can implement any business logic we want.
 
 ## Application examples
 ### Air quality bot
-![Air Quality Bot](https://github.com/devgopher/air_quality_bot/blob/master/WeatherQuality/logo.jpg)
+![Air Quality Bot](https://github.com/devgopher/air_quality_bot/blob/master/WeatherQuality/air_new_logo.jpg)
 
 [Air quality info bot](https://t.me/air_quality_info_bot) - this Telegram bot gets an air quality for your location