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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
See all
Weather
What is the current weather in Boulder?
| Weather | Clear sky |
| Temperature | 64.4°F |
| Humidity | 41% |
| Wind | 16.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 102 |
| 2 | Mecca, California | 88 |
| 3 | Lubbock, Texas | 77 |
| 4 | Pahrump, Nevada | 69 |
| 5 | Beaver, Pennsylvania | 67 |
| 6 | Yucaipa, California | 66 |
| 7 | Aliquippa, Pennsylvania | 65 |
| 8 | Corpus Christi, Texas | 65 |
| 9 | Monaca, Pennsylvania | 64 |
| 10 | Palm Desert, California | 64 |
(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 | 42 |
| 2 | Boulder - CU - 2102 Athens St. | 38 |
| 3 | Grove Street | 29 |
| 4 | Norlin Library | 29 |
| 5 | 700 Walnut Street | 28 |
| 6 | Aztec Central | 28 |
| 7 | South 42nd Street | 28 |
| 8 | Chautauqua Heights, Cascade Avenue | 27 |
| 9 | Grape Avenue | 27 |
| 10 | Miami Way | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
25
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.6µg/m³ | |
| PM10 | 22µg/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 |
|---|---|---|---|---|
| Thursday, May 30 | Good 34 AQI US |  | 68° 46.4° |  11.2 mp/h |
| Friday, May 31 | Good 36 AQI US |  | 80.6° 51.8° | 11.2 mp/h |
| Saturday, Jun 1 | Good 38 AQI US | | 82.4° 53.6° | 13.4 mp/h |
| Today | Good 25 AQI US |  | 84.2° 55.4° | 15.7 mp/h |
| Monday, Jun 3 | Good 21 AQI US | | 77° 59° | 22.4 mp/h |
| Tuesday, Jun 4 | Good 14 AQI US |  | 86° 57.2° | 22.4 mp/h |
| Wednesday, Jun 5 | Good 14 AQI US | 20% | 86° 53.6° | 8.9 mp/h |
| Thursday, Jun 6 | Good 20 AQI US | | 91.4° 62.6° | 8.9 mp/h |
| Friday, Jun 7 | Moderate 64 AQI US  | 80% | 86° 57.2° | 13.4 mp/h |
| Saturday, Jun 8 | Moderate 59 AQI US | 100% | 80.6° 57.2° | 8.9 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 5
- Boulder Station 18
- Keewayden 21
- Redwood & Riverside 21
- Frontage Road 22
- North Boulder 22
- Rural North Boulder 22
- University Hill 23
- Hawthorn Avenue 24
- Kalmia Avenue 24
- Kincross Way 24
- Stony Hill Road 24
- Thunderhead Drive 24
- Artesian Drive 25
- Bean Mountain Lane 25
- Concord Ave 25
- Dartmouth Avenue 25
- Shining Mountain Waldorf School 25
- Walker Ranch, Pine Needle Notch 25
- 10th Street 26
- Hawk Lane 26
- Winds II, Valmont & 29th 26
- Chautauqua Heights, Cascade Avenue 27
- Grape Avenue 27
- Miami Way 27
- 700 Walnut Street 28
- Aztec Central 28
- South 42nd Street 28
- Grove Street 29
- Norlin Library 29
- Boulder - CU - 2102 Athens St. 38
- Boulder Reservoir 42
AQI US, Metric