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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Broken clouds |
| Temperature | 51.8°F |
| Humidity | 37% |
| Wind | 9 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Columbia, South Carolina | 67 |
| 2 | Corpus Christi, Texas | 65 |
| 3 | Chapel Hill, North Carolina | 62 |
| 4 | The Woodlands, Texas | 61 |
| 5 | Galveston, Texas | 54 |
| 6 | Bridgeport, Connecticut | 53 |
| 7 | Stamford, Connecticut | 53 |
| 8 | Allentown, Pennsylvania | 52 |
| 9 | Canton, Ohio | 52 |
| 10 | Thibodaux, Louisiana | 52 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
6*
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 6* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.4*µg/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 |
|---|---|---|---|---|
| Today | Good 6 AQI US | | 51.8° 35.6° |  13.4 mp/h |
| Monday, Apr 29 | Good 8 AQI US |  70% | 50° 32° | 15.7 mp/h |
| Tuesday, Apr 30 | Good 5 AQI US |  40% | 42.8° 28.4° | 15.7 mp/h |
| Wednesday, May 1 | Good 5 AQI US | 100% | 37.4° 28.4° | 11.2 mp/h |
| Thursday, May 2 | Good 4 AQI US | 70% | 48.2° 28.4° | 6.7 mp/h |
| Friday, May 3 | Good 7 AQI US | 100% | 37.4° 32° | 8.9 mp/h |
| Saturday, May 4 | Good 5 AQI US | 30% | 50° 23° | 4.5 mp/h |
| Sunday, May 5 | Good 5 AQI US | | 62.6° 33.8° | 4.5 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