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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 | 21 |  | 32° 16° |  22 km/h |  18% |
| Wed | 15 | | 33° 19° | 27 km/h | 16% |
| Thu | 32 | | 29° 13° | 23 km/h | 29% |
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
High
 Tree Low | 25% |
 Grass High | 75% |
 Weed High | 75% |
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
High
Tree Low | 25% |
Grass High | 75% |
Weed High | 75% |
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
City ranking
Real-time USA AQI⁺ city 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
- Boulder Reservoir17
- Bean Mountain Lane18
- North Boulder18
- Boulder - CU - 2102 Athens St.19
- Keewayden20
- 18th Street23
- Chautauqua Heights, Cascade Avenue23
- Shining Mountain Waldorf School24
- Hawthorn Avenue25
- Dartmouth Avenue26
- Del Rosa Ct26
- Grape Avenue26
- South 42nd Street26
- Stony Hill Road26
- 1491 High St27
- Grove Street27
- 285 Vail Cir28
- 717 Evergreen Boulder29
- 10th Street31
- 1066 Berea Dr40
