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AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesIndex | Very high | ||
Tree pollen | Very high | ||
Grass pollen | Low | ||
Weed pollen | None |
Weather | Clear sky |
Temperature | 51.8°F |
Humidity | 57% |
Wind | 12.7 mp/h |
Pressure | 30.3 Hg |
# | city | US AQI |
---|---|---|
1 | Corpus Christi, Texas | 82 |
2 | Georgetown, Texas | 69 |
3 | The Woodlands, Texas | 65 |
4 | Phoenix, Arizona | 64 |
5 | Waynesville, North Carolina | 64 |
6 | Gatlinburg, Tennessee | 63 |
7 | Chattanooga, Tennessee | 62 |
8 | Alpharetta, Georgia | 61 |
9 | Round Rock, Texas | 61 |
10 | Austin, Texas | 60 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Johnstown Station | 31 |
(local time)
SEE WORLD AQI RANKINGUS AQI
32
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 32 US AQI | O3 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 4.4µg/m³ | |
PM10 | 14µg/m³ | |
O3 | 78µg/m³ | |
NO2 | 2.8µg/m³ | |
SO2 | 0µg/m³ | |
CO | 0µg/m³ |
PM2.5 concentration in Johnstown air currently meets the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Wednesday, Apr 24 | Good 22 AQI US | 53.6° 41° | 4.5 mp/h | |
Thursday, Apr 25 | Good 25 AQI US | 60.8° 39.2° | 13.4 mp/h | |
Friday, Apr 26 | Good 33 AQI US | 55.4° 42.8° | 13.4 mp/h | |
Today | Good 32 AQI US | 100% | 55.4° 42.8° | 13.4 mp/h |
Sunday, Apr 28 | Good 44 AQI US | 50% | 75.2° 51.8° | 11.2 mp/h |
Monday, Apr 29 | Moderate 56 AQI US | 77° 57.2° | 8.9 mp/h | |
Tuesday, Apr 30 | Moderate 57 AQI US | 100% | 71.6° 57.2° | 11.2 mp/h |
Wednesday, May 1 | Moderate 75 AQI US | 69.8° 51.8° | 4.5 mp/h | |
Thursday, May 2 | Moderate 78 AQI US | 75.2° 53.6° | 6.7 mp/h | |
Friday, May 3 | Moderate 78 AQI US | 90% | 71.6° 60.8° | 8.9 mp/h |
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