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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 | Mist |
| Temperature | 55.4°F |
| Humidity | 95% |
| Wind | 0 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 88 |
| 2 | Mission, Texas | 86 |
| 3 | Campo, California | 84 |
| 4 | Corpus Christi, Texas | 83 |
| 5 | Detroit, Michigan | 81 |
| 6 | Lubbock, Texas | 78 |
| 7 | Pahrump, Nevada | 75 |
| 8 | Michigan City, Indiana | 69 |
| 9 | Baytown, Texas | 66 |
| 10 | Muskegon, Michigan | 64 |
(local time)
SEE WORLD AQI RANKING
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Spotlight
There are emissions coming from the US Steel mill. Protect yourself from PM2.5 and other industrial pollutants and follow health recommendations. Click here.
US AQI
67*
live AQI index
Moderate
Overview
What is the current air quality in Merrillville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 67* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17.6*µg/m³ | |
!
PM2.5
x3.5
PM2.5 concentration in Merrillville is currently 3.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Merrillville?
 | 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
Merrillville air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 67 AQI US |  30% | 82.4° 55.4° |  8.9 mp/h |
| Tuesday, Jun 4 | Moderate 67 AQI US |  | 78.8° 66.2° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 46 AQI US  | 100% | 80.6° 66.2° | 11.2 mp/h |
| Thursday, Jun 6 | Good 14 AQI US | 90% | 69.8° 59° | 13.4 mp/h |
| Friday, Jun 7 | Good 7 AQI US | 30% | 64.4° 53.6° | 11.2 mp/h |
| Saturday, Jun 8 | Good 14 AQI US | 70% | 66.2° 55.4° | 11.2 mp/h |
| Sunday, Jun 9 | Good 34 AQI US | 90% | 68° 55.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Merrillville?
No locations are available.
AQI US, Metric