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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 | Low | |
 | Tree pollen | None | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Helena?
| Weather | Clear sky |
| Temperature | 84.2°F |
| Humidity | 11% |
| Wind | 1.4 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 115 |
| 2 | San Bernardino, California | 90 |
| 3 | Yucaipa, California | 87 |
| 4 | La Crescenta-Montrose, California | 85 |
| 5 | Hammond, Indiana | 82 |
| 6 | Redlands, California | 78 |
| 7 | Altadena, California | 77 |
| 8 | Claremont, California | 74 |
| 9 | Fontana, California | 74 |
| 10 | La Canada Flintridge, California | 74 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
43*
live AQI index
Good
Overview
What is the current air quality in Helena?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.9*µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in Helena is currently 1.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Helena?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Helena air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 43 AQI US | | 84.2° 59° |  8.9 mp/h |
| Saturday, May 18 | Moderate 58 AQI US  | | 93.2° 60.8° | 15.7 mp/h |
| Sunday, May 19 | Moderate 65 AQI US |  90% | 95° 64.4° | 35.8 mp/h |
| Monday, May 20 | Moderate 57 AQI US | 90% | 100.4° 68° | 22.4 mp/h |
| Tuesday, May 21 | Moderate 58 AQI US |  | 100.4° 73.4° | 20.1 mp/h |
| Wednesday, May 22 | Good 46 AQI US | | 78.8° 59° | 17.9 mp/h |
| Thursday, May 23 | Good 12 AQI US | | 78.8° 48.2° | 13.4 mp/h |
| Friday, May 24 | Moderate 54 AQI US |  | 84.2° 57.2° | 22.4 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