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Air quality in Helena
Air quality index (AQI) and PM2.5 air pollution in Helena
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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 | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Helena?
| Weather | Clear sky |
| Temperature | 60.8°F |
| Humidity | 96% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Casa Grande, Arizona | 72 |
| 2 | Palm Desert, California | 70 |
| 3 | Bethlehem, Pennsylvania | 69 |
| 4 | Mecca, California | 65 |
| 5 | Coopersburg, Pennsylvania | 62 |
| 6 | Pahrump, Nevada | 61 |
| 7 | Quakertown, Pennsylvania | 61 |
| 8 | Canton, New York | 60 |
| 9 | Carlsbad, New Mexico | 57 |
| 10 | Oklahoma City, Oklahoma | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Helena aqi ranking
Real-time Helena air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Helena Station | 10 |
(local time)
SEE WORLD AQI RANKING
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Helena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.5*µg/m³ | |
| O3 | 24*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 54 AQI US |  | 84.2° 59° |  4.5 mp/h |
| Thursday, May 2 | Good 50 AQI US  |  | 86° 59° | 8.9 mp/h |
| Friday, May 3 | Moderate 53 AQI US |  100% | 80.6° 66.2° | 6.7 mp/h |
| Saturday, May 4 | Moderate 56 AQI US | 100% | 82.4° 64.4° | 2.2 mp/h |
| Sunday, May 5 | Moderate 65 AQI US | 100% | 86° 64.4° | 4.5 mp/h |
| Monday, May 6 | Moderate 75 AQI US | 80% | 84.2° 64.4° | 6.7 mp/h |
| Tuesday, May 7 | Moderate 78 AQI US | | 87.8° 64.4° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Helena?
AQI US, Metric