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Air quality in Port Jefferson
Air quality index (AQI) and PM2.5 air pollution in Port Jefferson
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Port Jefferson Air Quality Map
Real-time Port Jefferson air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Port Jefferson today?
 | Index | N/A |
 | Tree pollen | N/A |
 | Grass pollen | N/A |
 | Weed pollen | N/A |
Weather
What is the current weather in Port Jefferson?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 55% |
| Wind | 26 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Maryville, Tennessee | 60 |
| 2 | Shreveport, Louisiana | 58 |
| 3 | Atlanta, Georgia | 57 |
| 4 | Decatur, Georgia | 57 |
| 5 | Casa Grande, Arizona | 55 |
| 6 | Conway, South Carolina | 54 |
| 7 | Johnson City, Tennessee | 54 |
| 8 | Athens, Georgia | 53 |
| 9 | Lewisville, Texas | 53 |
| 10 | Bryson City, North Carolina | 52 |
(local time)
SEE WORLD AQI RANKING
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US AQI
44*
live AQI index
Good
Overview
What is the current air quality in Port Jefferson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Port Jefferson is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Port Jefferson?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Port Jefferson air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 44 AQI US |  | 59° 48.2° |  11.2 mp/h |
| Wednesday, Apr 17 | Good 20 AQI US |  80% | 50° 44.6° | 8.9 mp/h |
| Thursday, Apr 18 | Good 10 AQI US | 100% | 44.6° 42.8° | 17.9 mp/h |
| Friday, Apr 19 | Good 11 AQI US | 70% | 50° 42.8° | 8.9 mp/h |
| Saturday, Apr 20 | Good 25 AQI US | | 55.4° 48.2° | 15.7 mp/h |
| Sunday, Apr 21 | Good 15 AQI US | | 50° 44.6° | 8.9 mp/h |
| Monday, Apr 22 | Good 18 AQI US | | 51.8° 46.4° | 11.2 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Port Jefferson?
No locations are available.
AQI US, Metric