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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 | 59°F |
| Humidity | 53% |
| Wind | 9.2 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 93 |
| 2 | Mecca, California | 86 |
| 3 | Georgetown, Texas | 85 |
| 4 | Leander, Texas | 82 |
| 5 | Round Rock, Texas | 80 |
| 6 | Palm Desert, California | 71 |
| 7 | Glendora, California | 67 |
| 8 | Saint Clair, Pennsylvania | 67 |
| 9 | Austin, Texas | 66 |
| 10 | Cary, Illinois | 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 | Boulder Reservoir | 35 |
| 2 | Boulder - CU - 2102 Athens St. | 33 |
| 3 | Grove Street | 31 |
| 4 | Hawk Lane | 31 |
| 5 | Bean Mountain Lane | 29 |
| 6 | 700 Walnut Street | 28 |
| 7 | Norlin Library | 28 |
| 8 | South 42nd Street | 28 |
| 9 | Winds II, Valmont & 29th | 28 |
| 10 | 10th Street | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
24
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.4µg/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 |
|---|---|---|---|---|
| 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 42 AQI US |  | 84.2° 53.6° | 15.7 mp/h |
| Today | Good 24 AQI US | | 84.2° 53.6° | 15.7 mp/h |
| Monday, Jun 3 | Moderate 55 AQI US  | | 84.2° 55.4° | 17.9 mp/h |
| Tuesday, Jun 4 | Good 20 AQI US | | 80.6° 59° | 20.1 mp/h |
| Wednesday, Jun 5 | Good 14 AQI US |  | 87.8° 57.2° | 20.1 mp/h |
| Thursday, Jun 6 | Good 20 AQI US | 30% | 84.2° 53.6° | 8.9 mp/h |
| Friday, Jun 7 | Good 21 AQI US | 100% | 80.6° 57.2° | 6.7 mp/h |
| Saturday, Jun 8 | Good 20 AQI US | 100% | 75.2° 59° | 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
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 5
- Keewayden 16
- Redwood & Riverside 16
- Kalmia Avenue 17
- Rural North Boulder 18
- Hawthorn Avenue 19
- North Boulder 19
- Frontage Road 20
- University Hill 20
- Shining Mountain Waldorf School 22
- Concord Ave 23
- Kincross Way 23
- Thunderhead Drive 23
- Stony Hill Road 24
- Grape Avenue 25
- Miami Way 25
- Walker Ranch, Pine Needle Notch 25
- Aztec Central 26
- Dartmouth Avenue 26
- 10th Street 27
- Chautauqua Heights, Cascade Avenue 27
- 700 Walnut Street 28
- Norlin Library 28
- South 42nd Street 28
- Winds II, Valmont & 29th 28
- Bean Mountain Lane 29
- Grove Street 31
- Hawk Lane 31
- Boulder - CU - 2102 Athens St. 33
- Boulder Reservoir 35
AQI US, Metric