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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 | Broken clouds |
| Temperature | 68°F |
| Humidity | 76% |
| Wind | 9.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Nipomo, California | 79 |
| 2 | Arroyo Grande, California | 72 |
| 3 | Tonasket, Washington | 67 |
| 4 | Corpus Christi, Texas | 65 |
| 5 | The Woodlands, Texas | 65 |
| 6 | Baton Rouge, Louisiana | 61 |
| 7 | Canton, New York | 59 |
| 8 | Austin, Texas | 57 |
| 9 | Round Rock, Texas | 57 |
| 10 | Bridgeport, Connecticut | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
45*
live AQI index
Good
Overview
What is the current air quality in Merrillville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Merrillville is currently 2.2 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 45 AQI US |  100% | 68° 57.2° |  13.4 mp/h |
| Monday, Apr 29 | Good 17 AQI US |  | 71.6° 51.8° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 30 AQI US | 90% | 73.4° 59° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 61 AQI US  | 100% | 80.6° 59° | 15.7 mp/h |
| Thursday, May 2 | Moderate 65 AQI US | 100% | 71.6° 60.8° | 11.2 mp/h |
| Friday, May 3 | Good 29 AQI US | | 68° 53.6° | 11.2 mp/h |
| Saturday, May 4 | Good 12 AQI US | | 69.8° 53.6° | 4.5 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