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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 | 27 |  | 32° 16° |  22 km/h |  20% |
| Wed | 17 | | 33° 21° | 26 km/h | 15% |
| Thu | 37 | | 29° 15° | 26 km/h | 25% |
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
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 Dr0
- Boulder - CU - 2102 Athens St.22
- Hawthorn Avenue27
- 18th Street28
- 717 Evergreen Boulder28
- Bean Mountain Lane28
- Chautauqua Heights, Cascade Avenue28
- Del Rosa Ct28
- Keewayden28
- North Boulder28
- Shining Mountain Waldorf School28
- Stony Hill Road28
- 1491 High St29
- Dartmouth Avenue29
- Grove Street29
- South 42nd Street29
- 10th Street30
- 285 Vail Cir30
- Grape Avenue31
- Aztec Central38
- Boulder Reservoir41
- 1066 Berea Dr43
