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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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Boulder?
| Weather | Rain |
| Temperature | 60.8°F |
| Humidity | 63% |
| Wind | 5.7 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time Australia city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Spencer Gulf, South Australia | 56 |
| 2 | Wagga Wagga, New South Wales | 43 |
| 3 | Canberra, ACT | 26 |
| 4 | Singleton, New South Wales | 24 |
| 5 | Perth, Western Australia | 22 |
| 6 | Millthorpe, New South Wales | 21 |
| 7 | Townsville, Queensland | 21 |
| 8 | Newcastle, New South Wales | 20 |
| 9 | Orange, New South Wales | 20 |
| 10 | Bathurst, New South Wales | 19 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
4*
live AQI index
Good
Overview
What is the current air quality in Boulder?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 4* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1*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 4 AQI US | 50% | 62.6° 53.6° |  13.4 mp/h |
| Saturday, Apr 27 | Good 14 AQI US |  | 78.8° 55.4° | 8.9 mp/h |
| Sunday, Apr 28 | Good 9 AQI US |  | 75.2° 59° | 20.1 mp/h |
| Monday, Apr 29 | Good 5 AQI US | | 64.4° 55.4° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 5 AQI US | | 68° 50° | 17.9 mp/h |
| Wednesday, May 1 | Good 4 AQI US | | 69.8° 51.8° | 17.9 mp/h |
| Thursday, May 2 | Good 4 AQI US | | 68° 51.8° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Boulder?
No locations are available.
AQI US, Metric