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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
33 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 | 62.6°F |
| Humidity | 32% |
| Wind | 19.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 82 |
| 2 | New York City, New York | 60 |
| 3 | San Antonio, Texas | 57 |
| 4 | Camden, New Jersey | 56 |
| 5 | Georgetown, Texas | 56 |
| 6 | New Braunfels, Texas | 56 |
| 7 | Philadelphia, Pennsylvania | 56 |
| 8 | Cleveland, Ohio | 55 |
| 9 | Austin, Texas | 54 |
| 10 | Orcutt, California | 53 |
(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 | Norlin Library | 22 |
| 3 | 10th Street | 21 |
| 4 | Boulder - CU - 2102 Athens St. | 21 |
| 5 | Winds II, Valmont & 29th | 21 |
| 6 | 700 Walnut Street | 20 |
| 7 | Canyon Pointe Park | 20 |
| 8 | Chautauqua Heights, Cascade Avenue | 20 |
| 9 | Grove Street | 20 |
| 10 | Shining Mountain Waldorf School | 20 |
(local time)
SEE WORLD AQI RANKING
US AQI
18
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 18 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.5µg/m³ | |
| PM10 | 14µg/m³ | |
✓
PM2.5 concentration in Boulder air currently meets the WHO annual air quality guideline value
Forecast
Boulder air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, Apr 26 | Good 37 AQI US |  | 44.6° 35.6° |  6.7 mp/h |
| Saturday, Apr 27 | Good 28 AQI US | | 59° 33.8° | 11.2 mp/h |
| Sunday, Apr 28 | Good 29 AQI US |  | 64.4° 42.8° | 13.4 mp/h |
| Today | Good 18 AQI US | | 64.4° 42.8° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 13 AQI US | | 68° 46.4° | 26.8 mp/h |
| Wednesday, May 1 | Good 15 AQI US |  80% | 64.4° 42.8° | 13.4 mp/h |
| Thursday, May 2 | Good 7 AQI US | | 55.4° 39.2° | 20.1 mp/h |
| Friday, May 3 | Good 5 AQI US | 30% | 68° 39.2° | 17.9 mp/h |
| Saturday, May 4 | Good 8 AQI US | 60% | 64.4° 39.2° | 8.9 mp/h |
| Sunday, May 5 | Good 8 AQI US | 50% | 75.2° 46.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
Boulder air quality data attribution
33Contributors
Government Contributor
- Russ Stewart
1 station
- kleinp
1 station
2 Individual Contributors
- 30 Anonymous contributors
30 stations
30 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Boulder?
- Boulder Station 6
- Gillaspie Dr 8
- Keewayden 15
- Flagstaff Road 16
- Frontage Road 16
- Hawthorn Avenue 16
- Redwood & Riverside 16
- Table Mesa Court 16
- 47th Street 17
- Concord Ave 17
- Hawk Lane 17
- Kalmia Avenue 17
- North Boulder 17
- Rural North Boulder 17
- Stony Hill Road 17
- Dartmouth Avenue 18
- Linden Drive 18
- University Hill 18
- Bean Mountain Lane 19
- Grape Avenue 19
- Kincross Way 19
- Miami Way 19
- South 42nd Street 19
- 700 Walnut Street 20
- Canyon Pointe Park 20
- Chautauqua Heights, Cascade Avenue 20
- Grove Street 20
- Shining Mountain Waldorf School 20
- Walker Ranch, Pine Needle Notch 20
- 10th Street 21
- Boulder - CU - 2102 Athens St. 21
- Winds II, Valmont & 29th 21
- Norlin Library 22
- Boulder Reservoir 42
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AQI US, Metric