Little black biting bugs
What are the Little black biting bugs that fly in your face outside and bite in clusters?
District of Columbia
Sounds like gnats are the problem. They can be very annoying but not easy to deter.
This is an old article from the Washington Post but there is nothing new to report about them, https://www.washingtonpost.com/blogs/capital-weather-gang/post/the-scoop-on-gnats-what-weather-they-...