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Air quality in Old Greenwich
Air quality index (AQI) and PM2.5 air pollution in Old Greenwich
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Old Greenwich Air Quality Map
Real-time Old Greenwich air pollution map
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* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Old Greenwich today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Old Greenwich?
| Weather | Clear sky |
| Temperature | 69.8°F |
| Humidity | 59% |
| Wind | 6.9 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | The Woodlands, Texas | 63 |
| 2 | Carlisle, Pennsylvania | 61 |
| 3 | Galveston, Texas | 60 |
| 4 | Harrisburg, Pennsylvania | 60 |
| 5 | Corpus Christi, Texas | 58 |
| 6 | Elizabethtown, Pennsylvania | 57 |
| 7 | Allentown, Pennsylvania | 55 |
| 8 | Lancaster, Pennsylvania | 55 |
| 9 | Ann Arbor, Michigan | 52 |
| 10 | Bethlehem, Pennsylvania | 52 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Old Greenwich aqi ranking
Real-time Old Greenwich air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Greenwich | 40 |
(local time)
SEE WORLD AQI RANKING
US AQI
40
live AQI index
Good
Overview
What is the current air quality in Old Greenwich?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 40 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.7µg/m³ | |
| PM10 | 17.6µg/m³ | |
| O3 | 0µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Old Greenwich is currently 1.9 times the WHO annual air quality guideline value
Forecast
Old Greenwich air quality index (AQI) forecast
| 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 20 AQI US |  | 69.8° 50° | 11.2 mp/h |
| Today | Good 40 AQI US | 60% | 69.8° 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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Old Greenwich air quality data attribution
1 Data source
Where is the cleanest air quality in Old Greenwich?
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AQI US, Metric