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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 | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Helena?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 73% |
| Wind | 15.3 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  The Woodlands, Texas | 177 |
| 2 | Port Arthur, Texas | 159 |
| 3 | Westlake, Louisiana | 157 |
| 4 | Baytown, Texas | 155 |
| 5 | Galena Park, Texas | 155 |
| 6 | Houston, Texas | 153 |
| 7 | Pasadena, Texas | 153 |
| 8 | Lake Charles, Louisiana | 152 |
| 9 | Channelview, Texas | 147 |
| 10 | Corpus Christi, Texas | 144 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Helena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Helena is currently 2.2 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 55 AQI US |  100% | 84.2° 64.4° |  13.4 mp/h |
| Friday, May 10 | Moderate 51 AQI US | 100% | 78.8° 68° | 15.7 mp/h |
| Saturday, May 11 | Good 45 AQI US  | | 75.2° 55.4° | 8.9 mp/h |
| Sunday, May 12 | Moderate 51 AQI US | | 77° 59° | 6.7 mp/h |
| Monday, May 13 | Moderate 54 AQI US | 100% | 64.4° 60.8° | 6.7 mp/h |
| Tuesday, May 14 | Moderate 61 AQI US | 100% | 77° 62.6° | 6.7 mp/h |
| Wednesday, May 15 | Moderate 71 AQI US | 100% | 87.8° 66.2° | 11.2 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 Helena?
No locations are available.
AQI US, Metric