AddAir quality in Longmont
Air quality index (AQI⁺) and PM2.5 air pollution in Longmont • 20.3K Followers • 05:00, Sep 13 Local time
23
US AQI⁺Good
Main pollutant:
PM2.5
4.2 µg/m³
15°
5 km/h
71 %
Hourly forecast
Longmont air quality index (AQI⁺) forecast
Daily forecast
Longmont air quality index (AQI⁺) forecast
| Today | 20 |  | 33° 15° |  13 km/h | 37% |
| Mon | 21 |  | 30° 18° | 24 km/h | 53% |
| Tue | 19 | | 24° 13° | 22 km/h | 47% |
Air pollutants
What is the current air quality in 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 |
Protect yourself from air pollution in Longmont
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in Longmont today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Longmont today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Longmont
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near Longmont
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Longmont
Historic air quality near Longmont
History
Historic air quality graph for Longmont
Historic air quality near Longmont
History
Historic air quality graph for Longmont
Most polluted locations near Longmont
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Longmont
Measure your own air quality
Get a monitor and contribute air quality data in your city.
