Based on the search results, here is the information on allergens in Denver, CO:

• Pollen: The pollen count in Denver is low to none for tree, grass, and ragweed pollen. However, it is important to note that pollen levels can vary depending on the weather conditions, so it is recommended to check the daily pollen forecast for the most accurate information.

• Air Quality: The air quality in Denver is currently moderate to good. While air quality can affect allergy symptoms, it is not directly related to allergens.

Overall, it appears that there are no high allergens in Denver today based on the available information. However, it is always a good idea to check the daily pollen forecast and air quality index for the most up-to-date information and to take necessary precautions if you have allergies.