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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
27 Contributors
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Pollen
What is the pollen count in Boulder today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Scattered clouds |
| Temperature | 66.2°F |
| Humidity | 46% |
| Wind | 8.1 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Indio, California | 119 |
| 2 | Palm Desert, California | 111 |
| 3 | Coachella, California | 71 |
| 4 | Pahrump, Nevada | 70 |
| 5 | Casa Grande, Arizona | 68 |
| 6 | Georgetown, Texas | 66 |
| 7 | Corpus Christi, Texas | 65 |
| 8 | Lakewood, Colorado | 62 |
| 9 | San Antonio, Texas | 61 |
| 10 | Austin, Texas | 60 |
(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 | Boulder - CU - 2102 Athens St. | 63 |
| 2 | Kincross Way | 45 |
| 3 | Norlin Library | 45 |
| 4 | Canyon Pointe Park | 43 |
| 5 | Thunderhead Drive | 43 |
| 6 | 10th Street | 42 |
| 7 | Chautauqua Heights, Cascade Avenue | 41 |
| 8 | 700 Walnut Street | 40 |
| 9 | Grape Avenue | 40 |
| 10 | Table Mesa Court | 40 |
(local time)
SEE WORLD AQI RANKING
US AQI
43
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43 US AQI | PM10 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9µg/m³ | |
| PM10 | 47µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Boulder is currently 1.8 times 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 |
|---|---|---|---|---|
| Monday, Apr 22 | Good 37 AQI US |  | 59° 39.2° |  11.2 mp/h |
| Tuesday, Apr 23 | Good 30 AQI US |  | 71.6° 42.8° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 32 AQI US | | 66.2° 46.4° | 13.4 mp/h |
| Today | Good 43 AQI US | 100% | 66.2° 46.4° | 13.4 mp/h |
| Friday, Apr 26 | Good 9 AQI US | 100% | 66.2° 42.8° | 15.7 mp/h |
| Saturday, Apr 27 | Good 7 AQI US | 100% | 44.6° 37.4° | 11.2 mp/h |
| Sunday, Apr 28 | Good 4 AQI US | 100% | 55.4° 33.8° | 6.7 mp/h |
| Monday, Apr 29 | Good 4 AQI US | | 62.6° 39.2° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 5 AQI US | | 69.8° 42.8° | 13.4 mp/h |
| Wednesday, May 1 | Good 11 AQI US | 80% | 64.4° 46.4° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Boulder air quality data attribution
27Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 24 Anonymous contributors
24 stations
24 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Keewayden 19
- University Hill 19
- Boulder Station 23
- Redwood & Riverside 23
- Gillaspie Dr 25
- Rural North Boulder 25
- North Boulder 26
- 47th Street 31
- Dartmouth Avenue 34
- Miami Way 35
- Linden Drive 36
- Hawk Lane 37
- Stony Hill Road 37
- Winds II, Valmont & 29th 37
- Boulder Reservoir 38
- Grove Street 38
- Hawthorn Avenue 38
- South 42nd Street 38
- 700 Walnut Street 40
- Grape Avenue 40
- Table Mesa Court 40
- Chautauqua Heights, Cascade Avenue 41
- 10th Street 42
- Canyon Pointe Park 43
- Thunderhead Drive 43
- Kincross Way 45
- Norlin Library 45
- Boulder - CU - 2102 Athens St. 63
AQI US, Metric