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
255 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 | Very high | |
 | Tree pollen | Moderate | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Lewistown?
| Weather | Clear sky |
| Temperature | 46.4°F |
| Humidity | 49% |
| Wind | 3.4 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 94 |
| 2 | Muskegon, Michigan | 81 |
| 3 | Michigan City, Indiana | 76 |
| 4 | Pahrump, Nevada | 68 |
| 5 | Palm Desert, California | 64 |
| 6 | Glendora, California | 63 |
| 7 | North Hollywood, California | 63 |
| 8 | San Fernando, California | 62 |
| 9 | Akron, Ohio | 61 |
| 10 | Campo, California | 61 |
(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 | 35 |
(local time)
SEE WORLD AQI RANKING
US AQI
13
live AQI index
Good
Overview
What is the current air quality in Lewistown?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 13 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.3µg/m³ | |
| PM10 | 10µg/m³ | |
✓
PM2.5 concentration in Lewistown air currently meets 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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 26 AQI US |  | 55.4° 37.4° |  20.1 mp/h |
| Thursday, May 30 | Good 28 AQI US |  | 64.4° 37.4° | 13.4 mp/h |
| Today | Good 13 AQI US | |||
| Saturday, Jun 1 | Good 14 AQI US | | 69.8° 41° | 11.2 mp/h |
| Sunday, Jun 2 | Good 15 AQI US |  80% | 66.2° 46.4° | 15.7 mp/h |
| Monday, Jun 3 | Good 13 AQI US | 90% | 60.8° 50° | 13.4 mp/h |
| Tuesday, Jun 4 | Good 6 AQI US | 100% | 64.4° 42.8° | 20.1 mp/h |
| Wednesday, Jun 5 | Good 15 AQI US |  | 68° 48.2° | 22.4 mp/h |
| Thursday, Jun 6 | Good 12 AQI US | | 75.2° 50° | 6.7 mp/h |
| Friday, Jun 7 | Good 13 AQI US | | 84.2° 57.2° | 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