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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 | 59°F |
| Humidity | 94% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 303 |
| 2 | Thermal, California | 156 |
| 3 | Palm Desert, California | 151 |
| 4 | Coachella, California | 119 |
| 5 | Tulsa, Oklahoma | 91 |
| 6 | Oklahoma City, Oklahoma | 88 |
| 7 | St Louis, Missouri | 86 |
| 8 | Wichita, Kansas | 85 |
| 9 | Edmond, Oklahoma | 80 |
| 10 | Shreveport, Louisiana | 76 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
21*
live AQI index
Good
Overview
What is the current air quality in Port Jefferson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.9*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 21 AQI US | 100% | 59° 55.4° |  24.6 mp/h |
| Thursday, May 16 | Good 13 AQI US | 100% | 57.2° 55.4° | 24.6 mp/h |
| Friday, May 17 | Moderate 55 AQI US  |  | 62.6° 53.6° | 13.4 mp/h |
| Saturday, May 18 | Good 21 AQI US |  | 60.8° 53.6° | 6.7 mp/h |
| Sunday, May 19 | Good 14 AQI US | | 57.2° 51.8° | 13.4 mp/h |
| Monday, May 20 | Good 19 AQI US | 20% | 59° 51.8° | 13.4 mp/h |
| Tuesday, May 21 | Good 18 AQI US |  | 62.6° 51.8° | 8.9 mp/h |
Interested in hourly forecast? Get the app
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