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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 | 17 |  | 23° 7° |  15 km/h |  49% |
| Sat | 24 |  | 26° 15° | 21 km/h | 32% |
| Sun | 22 | | 29° 14° | 36 km/h | 36% |
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
Get a monitor and contribute air quality data in your city.
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?
- North Boulder13
- Keewayden16
- 18th Street17
- 650 S 40th St18
- Chautauqua Heights, Cascade Avenue18
- Dartmouth Avenue19
- 1066 Berea Dr21
- Boulder - CU - 2102 Athens St.21
- Stony Hill Road24
- Gillaspie Dr26
- Shining Mountain Waldorf School26
- 285 Vail Cir27
- Bean Mountain Lane27
- Del Rosa Ct27
- Grape Avenue27
- 1491 High St28
- Hawthorn Avenue29
- South 42nd Street31
- 717 Evergreen Boulder32
- 10th Street33
- Grove Street34
- 5771-5701 Valmont Rd38
- Boulder Reservoir50
