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Air quality in Colorado
Air quality index (AQI) and PM2.5 air pollution in Colorado
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Colorado Air Quality Map
Real-time Colorado air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Colorado?
| Weather | Clear sky |
| Temperature | 77°F |
| Humidity | 42% |
| Wind | 5.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Brazil city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sao Paulo, Sao Paulo | 69 |
| 2 | Rio Branco, Acre | 42 |
| 3 | Curitiba, Parana | 26 |
| 4 | Porto Velho, Rondonia | 19 |
| 5 | Manaus, Amazonas | 15 |
| 6 | Camacari, Bahia | 12 |
| 7 | Recife, Pernambuco | 11 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Colorado?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.3*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Colorado is currently 2.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Colorado?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Colorado air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 55 AQI US | | 80.6° 55.4° |  4.5 mp/h |
| Tuesday, May 21 | Moderate 55 AQI US | | 89.6° 62.6° | 13.4 mp/h |
| Wednesday, May 22 | Moderate 57 AQI US |  | 91.4° 62.6° | 13.4 mp/h |
| Thursday, May 23 | Moderate 54 AQI US | | 93.2° 66.2° | 13.4 mp/h |
| Friday, May 24 | Moderate 53 AQI US |  100% | 71.6° 55.4° | 13.4 mp/h |
| Saturday, May 25 | Moderate 68 AQI US |  | 71.6° 50° | 4.5 mp/h |
| Sunday, May 26 | Moderate 61 AQI US | 100% | 69.8° 57.2° | 6.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Colorado?
No locations are available.
AQI US, Metric