Air quality near Longmont, Longmont
Air quality index (AQI⁺) and PM2.5 air pollution near Longmont, Longmont • 9.4K Followers • 14:00, Jun 13 Local time
21
US AQI⁺Good
Main pollutant:
PM2.5
3.7 µg/m³
22°
22 km/h
38 %
Hourly forecast
Longmont, Longmont air quality index (AQI⁺) forecast
Daily forecast
Longmont, Longmont air quality index (AQI⁺) forecast
| Today | 31 | 15° 11° | 18 km/h | 75% | |
| Sun | 15 | 27° 10° | 19 km/h | 43% | |
| Mon | 27 | 35° 13° | 35 km/h | 17% |
Air pollutants
What is the current air quality near Longmont?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |

Real-time Longmont, Longmont air pollution map
Pollen
What is the pollen count in Longmont today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Longmont
Pollen
What is the pollen count in Longmont today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Moderate | 50% |
Source:
wetter.comHistoric air quality near Longmont
History
Historic air quality graph for Longmont
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Most polluted locations near Longmont, Longmont
Worldwide AQI⁺ rankingStation ranking
Real-time Longmont AQI⁺ station ranking
City ranking











