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AIR QUALITY DATA SOURCE
Find out more about contributors and data sourcesIndex | Low | ||
Tree pollen | Low | ||
Grass pollen | None | ||
Weed pollen | None |
Weather | Scattered clouds |
Temperature | 71.6°F |
Humidity | 56% |
Wind | 8.1 mp/h |
Pressure | 30 Hg |
# | city | US AQI |
---|---|---|
1 | Corpus Christi, Texas | 65 |
2 | Carlisle, Pennsylvania | 60 |
3 | Harrisburg, Pennsylvania | 59 |
4 | The Woodlands, Texas | 58 |
5 | Allentown, Pennsylvania | 55 |
6 | Buffalo, New York | 53 |
7 | Canton, Ohio | 53 |
8 | Galveston, Texas | 53 |
9 | Thibodaux, Louisiana | 53 |
10 | Detroit, Michigan | 52 |
(local time)
SEE WORLD AQI RANKING# | station | US AQI |
---|---|---|
1 | Greenwich | 44 |
(local time)
SEE WORLD AQI RANKINGUS AQI
44
live AQI index
Good
Air pollution level | Air quality index | Main pollutant |
---|---|---|
Good | 44 US AQI | PM2.5 |
Pollutants | Concentration | |
---|---|---|
PM2.5 | 10.7µg/m³ | |
PM10 | 19.8µg/m³ | |
O3 | 0.1µg/m³ |
PM2.5
x2.1
PM2.5 concentration in Old Greenwich is currently 2.1 times the WHO annual air quality guideline value
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Day | Pollution level | Weather | Temperature | Wind |
---|---|---|---|---|
Thursday, Apr 25 | Good 21 AQI US | 53.6° 41° | 8.9 mp/h | |
Friday, Apr 26 | Good 20 AQI US | 57.2° 46.4° | 13.4 mp/h | |
Saturday, Apr 27 | Good 21 AQI US | 71.6° 50° | 11.2 mp/h | |
Today | Good 44 AQI US | 60% | 71.6° 50° | 11.2 mp/h |
Monday, Apr 29 | Good 41 AQI US | 50% | 75.2° 59° | 6.7 mp/h |
Tuesday, Apr 30 | Good 43 AQI US | 100% | 59° 50° | 15.7 mp/h |
Wednesday, May 1 | Good 41 AQI US | 100% | 51.8° 50° | 13.4 mp/h |
Thursday, May 2 | Good 39 AQI US | 20% | 69.8° 50° | 11.2 mp/h |
Friday, May 3 | Good 17 AQI US | 59° 51.8° | 13.4 mp/h | |
Saturday, May 4 | Good 25 AQI US | 100% | 50° 46.4° | 8.9 mp/h |
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1 Data source