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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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Helena?
| Weather | Mist |
| Temperature | 68°F |
| Humidity | 96% |
| Wind | 3.4 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Republic, Washington | 105 |
| 2 | Palm Desert, California | 99 |
| 3 | Springville, California | 88 |
| 4 | Greensboro, North Carolina | 85 |
| 5 | Cary, North Carolina | 70 |
| 6 | Tonasket, Washington | 69 |
| 7 | Fuquay-Varina, North Carolina | 68 |
| 8 | Wichita, Kansas | 67 |
| 9 | Raleigh, North Carolina | 65 |
| 10 | Harrisburg, Pennsylvania | 64 |
(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 | 9 |
(local time)
SEE WORLD AQI RANKING
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US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in Helena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14.8*µg/m³ | |
| O3 | 20*µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Helena is currently 3 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 |
|---|---|---|---|---|
| Saturday, Apr 20 | Moderate 56 AQI US |  100% | 68° 50° |  8.9 mp/h |
| Sunday, Apr 21 | Good 43 AQI US  | 100% | 51.8° 44.6° | 11.2 mp/h |
| Monday, Apr 22 | Good 32 AQI US |  | 64.4° 42.8° | 4.5 mp/h |
| Tuesday, Apr 23 | Good 33 AQI US |  | 71.6° 44.6° | 6.7 mp/h |
| Wednesday, Apr 24 | Good 48 AQI US |  | 71.6° 51.8° | 6.7 mp/h |
| Thursday, Apr 25 | Good 25 AQI US | | 69.8° 46.4° | 6.7 mp/h |
| Friday, Apr 26 | Good 42 AQI US | | 75.2° 51.8° | 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