Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Lewistown
Air quality index (AQI) and PM2.5 air pollution in Lewistown
248 people follow this city
Lewistown Air Quality Map
Real-time Lewistown air pollution map
AIR QUALITY DATA CONTRIBUTORS
Montana Department of Environmental Quality
See all
Pollen
What is the pollen count in Lewistown today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Lewistown?
| Weather | Broken clouds |
| Temperature | 44.6°F |
| Humidity | 73% |
| Wind | 6.9 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 164 |
| 2 | Indio, California | 124 |
| 3 | Tallahassee, Florida | 83 |
| 4 | Pahrump, Nevada | 70 |
| 5 | Conway, South Carolina | 65 |
| 6 | Decatur, Georgia | 61 |
| 7 | Gary, Indiana | 61 |
| 8 | Ocala, Florida | 61 |
| 9 | Hammond, Indiana | 60 |
| 10 | Marietta, Georgia | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Lewistown aqi ranking
Real-time Lewistown air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Lewistown Station | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
34
live AQI index
Good
Overview
What is the current air quality in Lewistown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 34 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.2µg/m³ | |
| PM10 | 13µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in Lewistown is currently 1.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Lewistown?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Lewistown air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Monday, Apr 22 | Good 37 AQI US | | 60.8° 33.8° |  6.7 mp/h |
| Tuesday, Apr 23 | Good 39 AQI US |  | 69.8° 41° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 39 AQI US | | 60.8° 44.6° | 8.9 mp/h |
| Today | Good 34 AQI US | | 60.8° 44.6° | 8.9 mp/h |
| Friday, Apr 26 | Good 9 AQI US |  90% | 48.2° 41° | 6.7 mp/h |
| Saturday, Apr 27 | Good 6 AQI US | | 53.6° 37.4° | 11.2 mp/h |
| Sunday, Apr 28 | Good 5 AQI US | 20% | 57.2° 39.2° | 8.9 mp/h |
| Monday, Apr 29 | Good 6 AQI US | 80% | 48.2° 39.2° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 8 AQI US | | 51.8° 32° | 15.7 mp/h |
| Wednesday, May 1 | Good 8 AQI US |  | 66.2° 37.4° | 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?
Lewistown air quality data attribution
1Contributor
Government Contributor
2 Data sources
Where is the cleanest air quality in Lewistown?
AQI US, Metric