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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 SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Boulder today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 41% |
| Wind | 11 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 92 |
| 2 | Corpus Christi, Texas | 69 |
| 3 | Austin, Texas | 65 |
| 4 | Georgetown, Texas | 65 |
| 5 | San Antonio, Texas | 64 |
| 6 | Anchorage, Alaska | 63 |
| 7 | Round Rock, Texas | 62 |
| 8 | Ocala, Florida | 60 |
| 9 | Boerne, Texas | 59 |
| 10 | The Woodlands, Texas | 59 |
(local time)
SEE WORLD AQI RANKING
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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 | 5.7*µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Boulder is currently 1.1 times 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 |
|---|---|---|---|---|
| Today | Good 23 AQI US |  60% | 57.2° 41° |  6.7 mp/h |
| Friday, Apr 26 | Good 10 AQI US | 90% | 46.4° 39.2° | 6.7 mp/h |
| Saturday, Apr 27 | Good 7 AQI US |  100% | 42.8° 37.4° | 4.5 mp/h |
| Sunday, Apr 28 | Good 5 AQI US | 20% | 51.8° 32° | 11.2 mp/h |
| Monday, Apr 29 | Good 5 AQI US | 90% | 44.6° 32° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 6 AQI US | | 48.2° 30.2° | 13.4 mp/h |
| Wednesday, May 1 | Good 10 AQI US |  | 55.4° 32° | 13.4 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Boulder?
No locations are available.
AQI US, Metric