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Air quality in Boulder
Air quality index (AQI) and PM2.5 air pollution in Boulder
102.9K people follow this city
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 | 53.6°F |
| Humidity | 60% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mission, Texas | 119 |
| 2 | Corpus Christi, Texas | 102 |
| 3 | Lubbock, Texas | 99 |
| 4 | Detroit, Michigan | 85 |
| 5 | Boerne, Texas | 81 |
| 6 | Mecca, California | 81 |
| 7 | New Braunfels, Texas | 79 |
| 8 | Dearborn Heights, Michigan | 76 |
| 9 | San Antonio, Texas | 76 |
| 10 | Redlands, California | 75 |
(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 | Bean Mountain Lane | 37 |
| 2 | Boulder - CU - 2102 Athens St. | 33 |
| 3 | Boulder Reservoir | 29 |
| 4 | Hawk Lane | 29 |
| 5 | South 42nd Street | 28 |
| 6 | 700 Walnut Street | 27 |
| 7 | Kincross Way | 27 |
| 8 | Norlin Library | 27 |
| 9 | Aztec Central | 26 |
| 10 | Grove Street | 26 |
(local time)
SEE WORLD AQI RANKING
US AQI
23
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 23 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.2µg/m³ | |
| PM10 | 13µg/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 |
|---|---|---|---|---|
| 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 |
| Sunday, Jun 2 | Good 41 AQI US |  | 82.4° 53.6° | 15.7 mp/h |
| Today | Good 23 AQI US | | 82.4° 53.6° | 15.7 mp/h |
| Tuesday, Jun 4 | Good 21 AQI US |  40% | 78.8° 59° | 22.4 mp/h |
| Wednesday, Jun 5 | Good 14 AQI US | | 84.2° 59° | 24.6 mp/h |
| Thursday, Jun 6 | Good 16 AQI US | | 84.2° 51.8° | 6.7 mp/h |
| Friday, Jun 7 | Good 21 AQI US | 70% | 91.4° 62.6° | 8.9 mp/h |
| Saturday, Jun 8 | Moderate 64 AQI US  | 40% | 89.6° 60.8° | 6.7 mp/h |
| Sunday, Jun 9 | Moderate 59 AQI US | 100% | 86° 57.2° | 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
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
- Redwood & Riverside 11
- Rural North Boulder 12
- North Boulder 14
- Kalmia Avenue 15
- Keewayden 15
- University Hill 16
- Boulder Station 17
- Shining Mountain Waldorf School 18
- Concord Ave 21
- Frontage Road 21
- Grape Avenue 21
- Hawthorn Avenue 21
- Thunderhead Drive 22
- Artesian Drive 23
- Dartmouth Avenue 23
- 10th Street 24
- Miami Way 24
- Chautauqua Heights, Cascade Avenue 25
- Stony Hill Road 25
- Walker Ranch, Pine Needle Notch 25
- Winds II, Valmont & 29th 25
- Aztec Central 26
- Grove Street 26
- 700 Walnut Street 27
- Kincross Way 27
- Norlin Library 27
- South 42nd Street 28
- Boulder Reservoir 29
- Hawk Lane 29
- Boulder - CU - 2102 Athens St. 33
- Bean Mountain Lane 37
AQI US, Metric