Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Greeley
Air quality index (AQI) and PM2.5 air pollution in Greeley
11.1K people follow this city
Greeley Air Quality Map
Real-time Greeley air pollution map
AIR QUALITY DATA CONTRIBUTORS
Colorado Department of Public Health & Environment (CDPHE)
See all
Pollen
What is the pollen count in Greeley today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Greeley?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 34% |
| Wind | 10.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 89 |
| 2 | Tulsa, Oklahoma | 77 |
| 3 | San Bernardino, California | 75 |
| 4 | Houston, Texas | 71 |
| 5 | Indio, California | 69 |
| 6 | Mecca, California | 69 |
| 7 | Redlands, California | 69 |
| 8 | Cedar Park, Texas | 68 |
| 9 | Pasadena, Texas | 67 |
| 10 | Philadelphia, Pennsylvania | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Greeley aqi ranking
Real-time Greeley air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Greeley - Weld Co. Tower - 3101 35th Ave. | 42 |
| 2 | Greeley Hospital | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
43
live AQI index
Good
Overview
What is the current air quality in Greeley?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.8µg/m³ | |
| O3 | 106µg/m³ | |
| CO | 114.5µg/m³ | |
✓
PM2.5 concentration in Greeley air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Greeley?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Greeley air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 15 | Good 36 AQI US |  | 77° 46.4° |  6.7 mp/h |
| Thursday, May 16 | Good 40 AQI US | | 82.4° 53.6° | 15.7 mp/h |
| Friday, May 17 | Good 37 AQI US |  | 73.4° 51.8° | 17.9 mp/h |
| Today | Good 43 AQI US | 40% | 73.4° 51.8° | 17.9 mp/h |
| Sunday, May 19 | Good 35 AQI US | 70% | 78.8° 51.8° | 24.6 mp/h |
| Monday, May 20 | Good 29 AQI US | 60% | 75.2° 46.4° | 24.6 mp/h |
| Tuesday, May 21 | Good 20 AQI US | 100% | 60.8° 42.8° | 15.7 mp/h |
| Wednesday, May 22 | Good 8 AQI US |  | 68° 37.4° | 6.7 mp/h |
| Thursday, May 23 | Good 9 AQI US | | 80.6° 46.4° | 8.9 mp/h |
| Friday, May 24 | Moderate 67 AQI US  | | 66.2° 50° | 20.1 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Greeley air quality data attribution
1Contributor
Government Contributor
2 Data sources
Where is the cleanest air quality in Greeley?
AQI US, Metric