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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 | Very high | |
 | Tree pollen | Moderate | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Merrillville?
| Weather | Rain |
| Temperature | 64.4°F |
| Humidity | 92% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 89 |
| 2 | San Bernardino, California | 87 |
| 3 | Redlands, California | 81 |
| 4 | Yucaipa, California | 81 |
| 5 | Pasadena, Texas | 80 |
| 6 | Baytown, Texas | 79 |
| 7 | Pahrump, Nevada | 79 |
| 8 | Fontana, California | 78 |
| 9 | Boerne, Texas | 77 |
| 10 | Rancho Cucamonga, California | 77 |
(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
53*
live AQI index
Moderate
Overview
What is the current air quality in Merrillville?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 53* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.2*µg/m³ | |
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PM2.5
x2
PM2.5 concentration in Merrillville is currently 2 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 53 AQI US | 100% | 66.2° 59° |  8.9 mp/h |
| Sunday, Jun 2 | Moderate 56 AQI US | 30% | 71.6° 57.2° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US | 100% | 82.4° 59° | 13.4 mp/h |
| Tuesday, Jun 4 | Moderate 56 AQI US | 70% | 84.2° 68° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 42 AQI US  | 100% | 78.8° 68° | 13.4 mp/h |
| Thursday, Jun 6 | Good 15 AQI US | 80% | 73.4° 62.6° | 15.7 mp/h |
| Friday, Jun 7 | Good 8 AQI US | 90% | 75.2° 57.2° | 15.7 mp/h |
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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