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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
32 Contributors
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Pollen
What is the pollen count in Boulder today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Shower rain |
| Temperature | 50°F |
| Humidity | 67% |
| Wind | 11 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 170 |
| 2 | North Charleston, South Carolina | 87 |
| 3 | Pahrump, Nevada | 84 |
| 4 | Casa Grande, Arizona | 74 |
| 5 | Lewisville, Texas | 73 |
| 6 | Savannah, Georgia | 72 |
| 7 | Charleston, South Carolina | 66 |
| 8 | Dallas, Texas | 66 |
| 9 | Fort Worth, Texas | 62 |
| 10 | Denton, Texas | 61 |
(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 | Canyon Pointe Park | 18 |
| 3 | Boulder - CU - 2102 Athens St. | 17 |
| 4 | Miami Way | 16 |
| 5 | South 42nd Street | 15 |
| 6 | 700 Walnut Street | 14 |
| 7 | Dartmouth Avenue | 14 |
| 8 | Linden Drive | 14 |
| 9 | Stony Hill Road | 14 |
| 10 | Winds II, Valmont & 29th | 14 |
(local time)
SEE WORLD AQI RANKING
US AQI
12
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 12 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.9µg/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 |
|---|---|---|---|---|
| Tuesday, Apr 23 | Good 30 AQI US |  | 71.6° 42.8° |  6.7 mp/h |
| Wednesday, Apr 24 | Good 34 AQI US | | 66.2° 46.4° | 13.4 mp/h |
| Thursday, Apr 25 | Good 45 AQI US | | 66.2° 42.8° | 15.7 mp/h |
| Today | Good 12 AQI US | 100% | 66.2° 42.8° | 15.7 mp/h |
| Saturday, Apr 27 | Good 8 AQI US | 100% | 46.4° 39.2° | 11.2 mp/h |
| Sunday, Apr 28 | Good 5 AQI US | 100% | 55.4° 37.4° | 8.9 mp/h |
| Monday, Apr 29 | Good 5 AQI US |  | 62.6° 41° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 7 AQI US | | 66.2° 42.8° | 11.2 mp/h |
| Wednesday, May 1 | Good 8 AQI US | | 68° 46.4° | 15.7 mp/h |
| Thursday, May 2 | Good 9 AQI US | | 57.2° 37.4° | 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
32Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 29 Anonymous contributors
29 stations
29 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Boulder Station 2
- Gillaspie Dr 4
- Keewayden 9
- 47th Street 10
- Hawthorn Avenue 10
- Kalmia Avenue 10
- Concord Ave 11
- Frontage Road 11
- Kincross Way 11
- Redwood & Riverside 11
- Rural North Boulder 11
- University Hill 11
- 10th Street 12
- Bean Mountain Lane 12
- Chautauqua Heights, Cascade Avenue 12
- Grape Avenue 12
- Hawk Lane 12
- North Boulder 12
- Shining Mountain Waldorf School 12
- Grove Street 13
- Norlin Library 13
- Thunderhead Drive 13
- Walker Ranch, Pine Needle Notch 13
- 700 Walnut Street 14
- Dartmouth Avenue 14
- Linden Drive 14
- Stony Hill Road 14
- Winds II, Valmont & 29th 14
- South 42nd Street 15
- Miami Way 16
- Boulder - CU - 2102 Athens St. 17
- Canyon Pointe Park 18
- Boulder Reservoir 42
AQI US, Metric