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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
30 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 | 64.4°F |
| Humidity | 46% |
| Wind | 1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Georgetown, Texas | 88 |
| 2 | Mecca, California | 86 |
| 3 | Austin, Texas | 85 |
| 4 | Cedar Park, Texas | 83 |
| 5 | Leander, Texas | 83 |
| 6 | Round Rock, Texas | 82 |
| 7 | Ocala, Florida | 75 |
| 8 | Madera, California | 69 |
| 9 | Palm Desert, California | 69 |
| 10 | Boerne, Texas | 68 |
(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 | 37 |
| 2 | Boulder - CU - 2102 Athens St. | 33 |
| 3 | Aztec Central | 31 |
| 4 | Grape Avenue | 29 |
| 5 | Miami Way | 29 |
| 6 | Norlin Library | 29 |
| 7 | South 42nd Street | 29 |
| 8 | Dartmouth Avenue | 27 |
| 9 | Grove Street | 27 |
| 10 | Thunderhead Drive | 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 | |
✓
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 36 AQI US |  | 80.6° 51.8° | 11.2 mp/h |
| Today | Good 25 AQI US |  | 84.2° 53.6° | 22.4 mp/h |
| Sunday, Jun 2 | Moderate 55 AQI US  | | 86° 55.4° | 17.9 mp/h |
| Monday, Jun 3 | Good 20 AQI US |  | 78.8° 59° | 20.1 mp/h |
| Tuesday, Jun 4 | Good 14 AQI US | | 89.6° 57.2° | 17.9 mp/h |
| Wednesday, Jun 5 | Good 20 AQI US | | 84.2° 53.6° | 15.7 mp/h |
| Thursday, Jun 6 | Good 21 AQI US | 60% | 87.8° 64.4° | 13.4 mp/h |
| Friday, Jun 7 | Good 20 AQI US | 100% | 69.8° 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
30Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 27 Anonymous contributors
27 stations
27 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Gillaspie Dr 5
- Keewayden 17
- Redwood & Riverside 19
- Kalmia Avenue 20
- North Boulder 21
- Frontage Road 22
- University Hill 22
- Concord Ave 23
- Rural North Boulder 23
- Walker Ranch, Pine Needle Notch 23
- Kincross Way 24
- Shining Mountain Waldorf School 24
- Stony Hill Road 24
- Hawthorn Avenue 25
- 10th Street 26
- 700 Walnut Street 26
- Bean Mountain Lane 26
- Boulder Station 26
- Chautauqua Heights, Cascade Avenue 26
- Hawk Lane 26
- Dartmouth Avenue 27
- Grove Street 27
- Thunderhead Drive 27
- Winds II, Valmont & 29th 27
- Grape Avenue 29
- Miami Way 29
- Norlin Library 29
- South 42nd Street 29
- Aztec Central 31
- Boulder - CU - 2102 Athens St. 33
- Boulder Reservoir 37
AQI US, Metric