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Air quality in Boulder
Air quality index (AQI) and PM2.5 air pollution in Boulder
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Boulder Air Quality Map
Real-time Boulder air pollution map
AIR QUALITY DATA CONTRIBUTORS
31 Contributors
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Pollen
What is the pollen count in Boulder today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Clear sky |
| Temperature | 55.4°F |
| Humidity | 68% |
| Wind | 8.1 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Glendora, California | 82 |
| 2 | Claremont, California | 76 |
| 3 | Canton, Ohio | 74 |
| 4 | Akron, Ohio | 69 |
| 5 | La Verne, California | 68 |
| 6 | Michigan City, Indiana | 68 |
| 7 | Pahrump, Nevada | 68 |
| 8 | Palm Desert, California | 66 |
| 9 | San Fernando, California | 66 |
| 10 | Marina del Rey, California | 65 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Boulder aqi ranking
Real-time Boulder air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Canyon Pointe Park | 42 |
| 2 | Kincross Way | 40 |
| 3 | 10th Street | 39 |
| 4 | Boulder - CU - 2102 Athens St. | 38 |
| 5 | Boulder Reservoir | 35 |
| 6 | Aztec Central | 32 |
| 7 | Norlin Library | 30 |
| 8 | Thunderhead Drive | 30 |
| 9 | Stony Hill Road | 28 |
| 10 | Hawk Lane | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4µg/m³ | |
✓
PM2.5 concentration in Boulder air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Boulder?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Boulder air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 37 AQI US |  | 75.2° 51.8° |  17.9 mp/h |
| Thursday, May 30 | Good 34 AQI US | | 68° 46.4° | 11.2 mp/h |
| Friday, May 31 | Good 38 AQI US |  | 80.6° 51.8° | 11.2 mp/h |
| Today | Good 22 AQI US | | 80.6° 51.8° | 11.2 mp/h |
| Sunday, Jun 2 | Good 31 AQI US |  | 82.4° 53.6° | 24.6 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US  |  | 86° 57.2° | 11.2 mp/h |
| Tuesday, Jun 4 | Good 21 AQI US | | 78.8° 62.6° | 20.1 mp/h |
| Wednesday, Jun 5 | Good 19 AQI US | | 87.8° 53.6° | 6.7 mp/h |
| Thursday, Jun 6 | Good 21 AQI US | | 86° 55.4° | 11.2 mp/h |
| Friday, Jun 7 | Good 43 AQI US | 30% | 91.4° 62.6° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Boulder air quality data attribution
31Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 28 Anonymous contributors
28 stations
28 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Gillaspie Dr 11
- Frontage Road 14
- Kalmia Avenue 16
- North Boulder 16
- Redwood & Riverside 16
- University Hill 16
- Rural North Boulder 17
- Hawthorn Avenue 19
- Keewayden 19
- Shining Mountain Waldorf School 19
- Walker Ranch, Pine Needle Notch 19
- 47th Street 20
- Bean Mountain Lane 20
- Concord Ave 20
- Chautauqua Heights, Cascade Avenue 22
- Grape Avenue 22
- Miami Way 22
- 700 Walnut Street 23
- Dartmouth Avenue 23
- Grove Street 25
- South 42nd Street 26
- Hawk Lane 27
- Winds II, Valmont & 29th 27
- Stony Hill Road 28
- Norlin Library 30
- Thunderhead Drive 30
- Aztec Central 32
- Boulder Reservoir 35
- Boulder - CU - 2102 Athens St. 38
- 10th Street 39
- Kincross Way 40
- Canyon Pointe Park 42
AQI US, Metric