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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 |  | 32° 16° |  23 km/h |  21% |
| Tue | 27 | | 33° 18° | 26 km/h | 17% |
| Wed | 37 | | 29° 11° | 26 km/h | 26% |
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
- North Boulder21
- 18th Street23
- 650 S 40th St24
- Keewayden24
- Boulder - CU - 2102 Athens St.27
- Shining Mountain Waldorf School27
- Bean Mountain Lane29
- Del Rosa Ct30
- Dartmouth Avenue31
- Hawthorn Avenue31
- 1491 High St32
- Stony Hill Road32
- Chautauqua Heights, Cascade Avenue33
- 10th Street34
- 285 Vail Cir36
- South 42nd Street37
- 717 Evergreen Boulder39
- 1066 Berea Dr44
- Grape Avenue45
- Boulder Reservoir48
