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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
29 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 | 75.2°F |
| Humidity | 35% |
| Wind | 5.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Coachella, California | 107 |
| 2 | Mecca, California | 94 |
| 3 | Corpus Christi, Texas | 93 |
| 4 | San Bernardino, California | 88 |
| 5 | Pahrump, Nevada | 82 |
| 6 | Fontana, California | 79 |
| 7 | San Fernando, California | 79 |
| 8 | Yucaipa, California | 79 |
| 9 | Redlands, California | 78 |
| 10 | North Hollywood, California | 74 |
(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 Reservoir | 34 |
| 2 | 700 Walnut Street | 33 |
| 3 | Boulder - CU - 2102 Athens St. | 33 |
| 4 | 10th Street | 31 |
| 5 | Norlin Library | 31 |
| 6 | South 42nd Street | 31 |
| 7 | Aztec Central | 30 |
| 8 | Dartmouth Avenue | 30 |
| 9 | Walker Ranch, Pine Needle Notch | 30 |
| 10 | Chautauqua Heights, Cascade Avenue | 28 |
(local time)
SEE WORLD AQI RANKING
US AQI
27
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5µg/m³ | |
| PM10 | 15µg/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 33 AQI US | | 78.8° 51.8° | 13.4 mp/h |
| Today | Good 27 AQI US | | 78.8° 51.8° | 13.4 mp/h |
| Sunday, Jun 2 | Good 31 AQI US |  | 84.2° 53.6° | 17.9 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US  | | 84.2° 55.4° | 11.2 mp/h |
| Tuesday, Jun 4 | Good 21 AQI US | | 78.8° 60.8° | 20.1 mp/h |
| Wednesday, Jun 5 | Good 19 AQI US | | 87.8° 55.4° | 20.1 mp/h |
| Thursday, Jun 6 | Good 21 AQI US | | 84.2° 53.6° | 11.2 mp/h |
| Friday, Jun 7 | Good 43 AQI US | 20% | 87.8° 59° | 11.2 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
29Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 26 Anonymous contributors
26 stations
26 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Gillaspie Dr 11
- Boulder Station 16
- Keewayden 16
- Redwood & Riverside 16
- North Boulder 18
- Rural North Boulder 20
- Kalmia Avenue 21
- Concord Ave 22
- Shining Mountain Waldorf School 22
- Hawthorn Avenue 23
- University Hill 23
- Frontage Road 24
- Kincross Way 26
- Thunderhead Drive 27
- Winds II, Valmont & 29th 27
- Chautauqua Heights, Cascade Avenue 28
- Grape Avenue 28
- Grove Street 28
- Hawk Lane 28
- Miami Way 28
- Stony Hill Road 28
- Aztec Central 30
- Dartmouth Avenue 30
- Walker Ranch, Pine Needle Notch 30
- 10th Street 31
- Norlin Library 31
- South 42nd Street 31
- 700 Walnut Street 33
- Boulder - CU - 2102 Athens St. 33
- Boulder Reservoir 34
AQI US, Metric