Yesterday I wrote a list of websites to do twitter search (you can read it here). After I realized that some disadvantages in real time twitter search. Ya too much of noise (spams).
Here is a solution. You can filter the real time search using a firefox add-on.
Clean Tweets is a FireFox add-on which will helps you to filter the twitter search results based on two criteria.
1) By default it automatically deletes tweets from account which are less than one day old. You can also specify your own time period
2)It will remove a tweet if it carries 3 or more trending hashtags. You can also set the number of hashtags.
It also helps you to ban a user by simple click on the cross mark. Look at the screenshots below.


To add it to your firefox click here
Check Out More Here!