Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Helena
Air quality index (AQI) and PM2.5 air pollution in Helena
10 people follow this city
Helena Air Quality Map
Real-time Helena air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Helena today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Helena?
| Weather | Clear sky |
| Temperature | 64.4°F |
| Humidity | 77% |
| Wind | 3.6 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  North Hollywood, California | 84 |
| 2 | San Fernando, California | 75 |
| 3 | Palm Desert, California | 74 |
| 4 | Claremont, California | 73 |
| 5 | Glendale, California | 72 |
| 6 | Casa Grande, Arizona | 71 |
| 7 | Mecca, California | 71 |
| 8 | West Hollywood, California | 71 |
| 9 | Hollywood, California | 70 |
| 10 | La Canada Flintridge, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
59*
live AQI index
Moderate
Overview
What is the current air quality in Helena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 59* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.3*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in Helena is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Helena?
 | 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
Helena air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 59 AQI US |  60% | 84.2° 64.4° |  6.7 mp/h |
| Thursday, May 30 | Moderate 68 AQI US | 80% | 82.4° 62.6° | 11.2 mp/h |
| Friday, May 31 | Moderate 62 AQI US | 100% | 77° 64.4° | 13.4 mp/h |
| Saturday, Jun 1 | Moderate 61 AQI US | 100% | 80.6° 64.4° | 15.7 mp/h |
| Sunday, Jun 2 | Moderate 75 AQI US | 80% | 86° 68° | 11.2 mp/h |
| Monday, Jun 3 | Moderate 65 AQI US | 100% | 73.4° 68° | 8.9 mp/h |
| Tuesday, Jun 4 | Moderate 61 AQI US | 100% | 82.4° 68° | 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 Helena?
No locations are available.
AQI US, Metric