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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 | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 87% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 302 |
| 2 | Corpus Christi, Texas | 95 |
| 3 | Coachella, California | 90 |
| 4 | Lubbock, Texas | 84 |
| 5 | Thermal, California | 82 |
| 6 | Campo, California | 77 |
| 7 | Dundalk, Maryland | 70 |
| 8 | Pahrump, Nevada | 69 |
| 9 | San Antonio, Texas | 68 |
| 10 | Lothian, Maryland | 67 |
(local time)
SEE WORLD AQI RANKING
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US AQI
24*
live AQI index
Good
Overview
What is the current air quality in Port Jefferson?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.4*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 24 AQI US |  100% | 66.2° 60.8° |  11.2 mp/h |
| Friday, May 24 | Moderate 58 AQI US  |  | 71.6° 59° | 8.9 mp/h |
| Saturday, May 25 | Moderate 58 AQI US | 40% | 66.2° 59° | 6.7 mp/h |
| Sunday, May 26 | Moderate 52 AQI US | | 66.2° 59° | 8.9 mp/h |
| Monday, May 27 | Moderate 51 AQI US | 60% | 60.8° 57.2° | 13.4 mp/h |
| Tuesday, May 28 | Moderate 61 AQI US | 100% | 59° 55.4° | 15.7 mp/h |
| Wednesday, May 29 | Moderate 73 AQI US | 100% | 68° 59° | 17.9 mp/h |
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Where is the cleanest air quality in Port Jefferson?
No locations are available.
AQI US, Metric