Be the first to measure and contribute air quality data to your community
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
18 people follow this city
Decatur Air Quality Map
Real-time Decatur air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Decatur today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Decatur?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 97% |
| Wind | 0 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 98 |
| 2 | San Antonio, Texas | 95 |
| 3 | Lewisville, Texas | 92 |
| 4 | Fort Worth, Texas | 88 |
| 5 | Round Rock, Texas | 87 |
| 6 | Georgetown, Texas | 86 |
| 7 | Leander, Texas | 83 |
| 8 | Austin, Texas | 82 |
| 9 | Midlothian, Texas | 81 |
| 10 | Denton, Texas | 79 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
51*
live AQI index
Moderate
Overview
What is the current air quality in Decatur?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 51* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.2*µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Decatur is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Decatur?
 | 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
Decatur air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 51 AQI US | | 75.2° 59° |  11.2 mp/h |
| Sunday, Apr 28 | Good 43 AQI US  |  | 78.8° 55.4° | 11.2 mp/h |
| Monday, Apr 29 | Good 42 AQI US | | 78.8° 53.6° | 11.2 mp/h |
| Tuesday, Apr 30 | Moderate 52 AQI US |  100% | 78.8° 60.8° | 4.5 mp/h |
| Wednesday, May 1 | Good 46 AQI US |  | 82.4° 55.4° | 2.2 mp/h |
| Thursday, May 2 | Moderate 75 AQI US | 30% | 77° 59° | 6.7 mp/h |
| Friday, May 3 | Moderate 72 AQI US | 100% | 80.6° 59° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Decatur?
No locations are available.
AQI US, Metric