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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Port Jefferson?
| Weather | Rain |
| Temperature | 48.2°F |
| Humidity | 68% |
| Wind | 8.1 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Nipomo, California | 88 |
| 2 | Arroyo Grande, California | 82 |
| 3 | San Antonio, Texas | 80 |
| 4 | Boerne, Texas | 78 |
| 5 | Georgetown, Texas | 75 |
| 6 | Leander, Texas | 73 |
| 7 | Round Rock, Texas | 73 |
| 8 | Austin, Texas | 72 |
| 9 | New Braunfels, Texas | 72 |
| 10 | Corpus Christi, Texas | 71 |
(local time)
SEE WORLD AQI RANKING
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US AQI
10*
live AQI index
Good
Overview
What is the current air quality in Port Jefferson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 10* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.3*µg/m³ | |
✓
PM2.5 concentration in Port Jefferson air currently meets 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 10 AQI US |  80% | 60.8° 48.2° |  11.2 mp/h |
| Sunday, Apr 28 | Good 43 AQI US | 70% | 64.4° 53.6° | 6.7 mp/h |
| Monday, Apr 29 | Good 45 AQI US | 50% | 55.4° 50° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 35 AQI US | 70% | 50° 48.2° | 13.4 mp/h |
| Wednesday, May 1 | Good 25 AQI US |  | 57.2° 48.2° | 8.9 mp/h |
| Thursday, May 2 | Good 12 AQI US | | 59° 50° | 11.2 mp/h |
| Friday, May 3 | Good 21 AQI US | 50% | 59° 51.8° | 8.9 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Port Jefferson?
No locations are available.
AQI US, Metric