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Air quality in Merrillville
Air quality index (AQI) and PM2.5 air pollution in Merrillville
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Merrillville Air Quality Map
Real-time Merrillville air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Merrillville today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Merrillville?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 86% |
| Wind | 19.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Chattanooga, Tennessee | 71 |
| 2 | Gatlinburg, Tennessee | 70 |
| 3 | Columbia, South Carolina | 69 |
| 4 | Tampa, Florida | 69 |
| 5 | Alpharetta, Georgia | 68 |
| 6 | Corpus Christi, Texas | 65 |
| 7 | Marietta, Georgia | 65 |
| 8 | Casa Grande, Arizona | 64 |
| 9 | The Woodlands, Texas | 61 |
| 10 | Emmetsburg, Iowa | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
42*
live AQI index
Good
Overview
What is the current air quality in Merrillville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 42* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.3*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Merrillville is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Merrillville?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Merrillville air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 42 AQI US |  100% | 77° 59° |  15.7 mp/h |
| Saturday, Apr 27 | Moderate 56 AQI US  | 100% | 75.2° 62.6° | 15.7 mp/h |
| Sunday, Apr 28 | Moderate 56 AQI US | 100% | 71.6° 59° | 15.7 mp/h |
| Monday, Apr 29 | Good 17 AQI US |  | 75.2° 53.6° | 6.7 mp/h |
| Tuesday, Apr 30 | Moderate 59 AQI US | 100% | 75.2° 59° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 72 AQI US | 90% | 77° 59° | 13.4 mp/h |
| Thursday, May 2 | Moderate 58 AQI US | 100% | 75.2° 64.4° | 13.4 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Merrillville?
No locations are available.
AQI US, Metric