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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | None | ||
Grass pollen | Low | ||
Weed pollen | Low |
Weather | Clear sky |
Temperature | 41°F |
Humidity | 56% |
Wind | 3.4 mph |
Pressure | 30.2 inHg |
# | city | US AQI |
---|---|---|
1 | Sheridan, Wyoming | 252 |
2 | Salmon, Idaho | 176 |
3 | Kelly, Wyoming | 167 |
4 | Duchesne, Utah | 155 |
5 | Big Sky, Montana | 147 |
6 | Bozeman, Montana | 140 |
7 | Oakridge, Oregon | 138 |
8 | Deschutes River Woods, Oregon | 124 |
9 | Signal Hill, California | 111 |
10 | Glendora, California | 101 |
(Local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Helena Rossiter School | 16 |
(Local time)
SEE WORLD AQI RANKINGUS AQI
16
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 16 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 2.8µg/m³ |
PM2.5 concentration in Helena Valley West Central air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Thursday, Oct 3 | Moderate 51 AQI US | 82.4° 41° | 24.6 mph | |
Friday, Oct 4 | Good 38 AQI US | 64.4° 41° | 15.7 mph | |
Saturday, Oct 5 | Good 17 AQI US | 75.2° 41° | 6.7 mph | |
Today | Good 16 AQI US | 75.2° 41° | 6.7 mph | |
Monday, Oct 7 | Moderate 79 AQI US | 75.2° 44.6° | 11.2 mph | |
Tuesday, Oct 8 | Moderate 79 AQI US | 77° 46.4° | 11.2 mph | |
Wednesday, Oct 9 | Moderate 88 AQI US | 82.4° 48.2° | 8.9 mph | |
Thursday, Oct 10 | Moderate 78 AQI US | 69.8° 50° | 6.7 mph | |
Friday, Oct 11 | Moderate 70 AQI US | 71.6° 51.8° | 4.5 mph | |
Saturday, Oct 12 | Good 12 AQI US | 60% | 62.6° 46.4° | 13.4 mph |
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1 Data source