AddAir quality in Boulder County
Air quality index (AQI⁺) and PM2.5 air pollution in Boulder County • 159.7K Followers • 00:00, May 12 Local time
37
US AQI⁺Good
Main pollutant:
O₃
90 µg/m³
15°
28 km/h
21 %
Hourly forecast
Boulder County air quality index (AQI⁺) forecast
Daily forecast
Boulder County air quality index (AQI⁺) forecast
| Today | 24 |  | 18° 8° |  15 km/h | 40% |
| Wed | 23 |  | 22° 11° | 19 km/h | 30% |
| Thu | 21 | | 22° 9° | 43 km/h | 21% |
Air pollutants
What is the current air quality in Boulder County?
PM2.5 concentration is currently 1.1 times the World Health Organization annual PM2.5 guideline value.
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?
- Gillaspie Dr11
- West Tamarisk St17
- 18th Street23
- 47th Street23
- Coal Creek Ranch23
- Keewayden23
- Boulder - CU - 2102 Athens St.24
- Dartmouth Avenue24
- Manorwood Court24
- West Hemlock Circle25
- West Spruce Street25
- Cleveland Avenue26
- North Boulder26
- Pikes Peak Court26
- Pine Street Park Outdoors26
- 16-7362 Crannell Dr27
- Frontage Road27
- Hawthorn Avenue27
- Matchless Street28
- Sagebrush Way28
- Shining Mountain Waldorf School29
- Thunderhead Drive30
- Bean Mountain Lane31
- Del Rosa Ct31
- Grape Avenue31
- Kincross Way31
- Walker Ranch, Pine Needle Notch31
- 1491 High St32
- 285 Vail Cir32
- Chautauqua Heights, Cascade Avenue32
- 2095 Eisenhower Drive33
- Stony Hill Road33
- 10th Street34
- Deer Trail Circle34
- Grove Street34
- Heritage 2 : S Cleveland34
- South 42nd Street34
- Boulder Reservoir36
- 161 Swallow Ln37
- 1066 Berea Dr44
