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 Decatur
Air quality index (AQI) and PM2.5 air pollution in Decatur
723 people follow this city
Decatur Air Quality Map
Real-time Decatur air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
See all
Pollen
What is the pollen count in Decatur today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Decatur?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 62% |
| Wind | 12.7 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Glendora, California | 70 |
| 2 | Michigan City, Indiana | 68 |
| 3 | Pahrump, Nevada | 68 |
| 4 | Palm Desert, California | 66 |
| 5 | San Fernando, California | 66 |
| 6 | Akron, Ohio | 65 |
| 7 | Marina del Rey, California | 65 |
| 8 | McKeesport, Pennsylvania | 65 |
| 9 | Claremont, California | 64 |
| 10 | Monterey Park, California | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Decatur aqi ranking
Real-time Decatur air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Richard Road | 39 |
| 2 | Westchester Hills/Chelsea Heights | 38 |
| 3 | ASCENT SDK Addtl PA #1 | 37 |
| 4 | Clifton Springs Manor | 34 |
| 5 | South DeKalb | 34 |
| 6 | ASCENT SDK Addtl PA #2 | 31 |
(local time)
SEE WORLD AQI RANKING
US AQI
34
live AQI index
Good
Overview
What is the current air quality in Decatur?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.2µg/m³ | |
| PM10 | 12µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Decatur is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Decatur?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Decatur air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 27 AQI US |  | 84.2° 64.4° |  8.9 mp/h |
| Thursday, May 30 | Good 31 AQI US | | 82.4° 60.8° | 8.9 mp/h |
| Friday, May 31 | Good 35 AQI US |  | 75.2° 62.6° | 11.2 mp/h |
| Today | Good 34 AQI US | 80% | 75.2° 62.6° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 61 AQI US  | 100% | 80.6° 62.6° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 59 AQI US | 80% | 86° 64.4° | 4.5 mp/h |
| Tuesday, Jun 4 | Moderate 63 AQI US | 100% | 80.6° 68° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 66 AQI US | 100% | 77° 66.2° | 4.5 mp/h |
| Thursday, Jun 6 | Moderate 64 AQI US | 100% | 86° 66.2° | 11.2 mp/h |
| Friday, Jun 7 | Moderate 78 AQI US |  | 78.8° 64.4° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Decatur air quality data attribution
5Contributors
- 5 Anonymous contributors
5 stations
5 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Decatur?
AQI US, Metric