AddAir quality in Boulder County
Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 159.8K Followers • 11:00, May 12 Local time
46
US AQI⁺Good
Main pollutant:
O₃
112 µg/m³
14°
10 km/h
42 %
Hourly forecast
Boulder County air quality index (AQI⁺) forecast
Daily forecast
Boulder County air quality index (AQI⁺) forecast
| Today | 39 | | 18° 8° |  15 km/h | 40% |
| Wed | 21 |  | 22° 11° | 19 km/h | 30% |
| Thu | 18 | | 22° 9° | 43 km/h | 21% |
Air pollutants
What is the current air quality in Boulder County?
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 Boulder County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Boulder County today?
Index
Low
 Tree Low | 25% |
 Grass None | 0% |
 Weed None | 0% |
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 Boulder County today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Boulder County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Boulder County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Boulder County
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Boulder County
History
Historic air quality graph for Boulder County
Historic air quality near Boulder County
History
Historic air quality graph for Boulder County
Most polluted locations near Boulder County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Boulder County
City ranking
Real-time USA AQI⁺ city ranking
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in Boulder County?
- Marshall16
- Parkdale Area17
- Rabbit Mountain Equestrian Center17
- 47th Street22
- Golden Eagle Lode27
- 5699-5669 Valmont Rd28
- 5771-5701 Valmont Rd28
- Walker Ranch, Pine Needle Notch28
- 161 Swallow Ln29
- 5667-5557 Valmont Rd29
- 5668-5698 Valmont Rd29
- 5875-5817 Valmont Rd29
- 32-16 Flamingo Dr30
- 5555 Valmont Rd31
- Snead Court31
- Last Chance Court33
- 818 Co Rd 11634
- Willis Heights38
- North 57th Street42
