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Hourly forecast
18th Street, Boulder air quality index (AQI⁺) forecast
Daily forecast
18th Street, Boulder air quality index (AQI⁺) forecast
| Today | 20 |  | 27° 17° |  27 km/h |  35% |
| Tue | 48 |  | 25° 14° | 33 km/h | 50% |
| Wed | 57 |  | 22° 12° | 28 km/h | 50% |
Air pollutants
What is the current air quality near 18th Street?
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 18th Street, Boulder air pollution map
Pollen
What is the pollen count in 18th Street today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in 18th Street
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Pollen
What is the pollen count in 18th Street today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed Low | 25% |
Source:
wetter.comHistoric air quality near 18th Street
History
Historic air quality graph for 18th Street
Measure your own air quality
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Most polluted locations near 18th Street, Boulder
Worldwide AQI⁺ ranking
Station ranking
Real-time 18th Street AQI⁺ station ranking
Get comprehensive data about air quality in 18th Street, Boulder
Download our Air Quality App
Learn more about global air quality
Where is the cleanest air quality in Boulder?
- Gillaspie Dr6
- Keewayden16
- Boulder - CU - 2102 Athens St.17
- North Boulder17
- 18th Street21
- Bean Mountain Lane22
- Boulder Reservoir22
- Dartmouth Avenue22
- Shining Mountain Waldorf School22
- Del Rosa Ct23
- Chautauqua Heights, Cascade Avenue24
- Grape Avenue24
- Hawthorn Avenue24
- Grove Street26
- 1491 High St27
- 285 Vail Cir27
- Stony Hill Road27
- 10th Street28
- 717 Evergreen Boulder28
- South 42nd Street28
- 5771-5701 Valmont Rd34
- 1066 Berea Dr39
