Air quality near Helena - NCORE, Lewis and Clark County
Air quality index (AQI⁺) and PM2.5 air pollution near Helena - NCORE, Lewis and Clark County • 528 Followers • 10:00, Aug 12 Local time
71
US AQI⁺Moderate
Main pollutant:
PM2.5
19.8 µg/m³
21°
28 km/h
57 %
Hourly forecast
Helena - NCORE, Lewis and Clark County air quality index (AQI⁺) forecast
Daily forecast
Helena - NCORE, Lewis and Clark County air quality index (AQI⁺) forecast
| Today | 76 | 21° 13° | 30 km/h | 66% | |
| Thu | 85 | 19° 13° | 24 km/h | 79% | |
| Fri | 86 | 16° 11° | 21 km/h | 83% |
Air pollutants
What is the current air quality near Helena - NCORE?
PM2.5 concentration is currently 4 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
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 |

Real-time Helena - NCORE, Lewis and Clark County air pollution map
Pollen
What is the pollen count in Helena - NCORE today?
Index
High
Tree None | 0% |
Grass None | 0% |
Weed High | 75% |
Source:
wetter.comPollen
What is the pollen count in Helena - NCORE today?
Index
High
Tree None | 0% |
Grass None | 0% |
Weed High | 75% |
Source:
wetter.comHistoric air quality near Helena - NCORE
History
Historic air quality graph for Helena - NCORE
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Most polluted locations near Helena - NCORE, Lewis and Clark County
Worldwide AQI⁺ rankingStation ranking
Real-time Helena - NCORE AQI⁺ station ranking
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