See this redness and itching in the eye is mainly due to allergic conjunctivitis. You need to wash your eyes more often with cold water. You can also do cold compression with ice. Try to avoid rubbing the eyes. You can start these drops that might give you relief...
Occurest-AH eye drop 4 times/ day and olopat eye drop 2 times/ day. If it doesn't resolve with these drop a mild steroid like lorinol can be started 4 times/ day... But better to start the steroid after personal consultation with doctor.
Next Steps
Try to avoid dust as much as possible.
Health Tips
Take a personal consultation if there is no relief in a week.