AddAir quality in Longmont
Air quality index (AQI⁺) and PM2.5 air pollution in Longmont • 18.6K Followers • 12:00, May 31 Local time
25
US AQI⁺Good
Main pollutant:
PM2.5
4.5 µg/m³
24°
19 km/h
21 %
Hourly forecast
Longmont air quality index (AQI⁺) forecast
Daily forecast
Longmont air quality index (AQI⁺) forecast
| Today | 25 |  | 26° 9° |  24 km/h | 35% |
| Mon | 42 | | 25° 13° | 32 km/h | 54% |
| Tue | 27 | | 28° 12° | 34 km/h | 62% |
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 Low | 25% |
 Grass Moderate | 50% |
 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 Low | 25% |
Grass Moderate | 50% |
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
City ranking
Real-time USA AQI⁺ city ranking
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
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
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