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Air quality in Princeton
Air quality index (AQI) and PM2.5 air pollution in Princeton
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Princeton Air Quality Map
Real-time Princeton air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Princeton today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Clear sky |
| Temperature | 57.2°F |
| Humidity | 62% |
| Wind | 3.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 91 |
| 2 | Bethlehem, Pennsylvania | 86 |
| 3 | Allentown, Pennsylvania | 80 |
| 4 | Marana, Arizona | 70 |
| 5 | Quakertown, Pennsylvania | 69 |
| 6 | Coopersburg, Pennsylvania | 68 |
| 7 | San Gabriel, California | 67 |
| 8 | Camden, New Jersey | 62 |
| 9 | Lewisville, Texas | 62 |
| 10 | Philadelphia, Pennsylvania | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
20*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.9*µg/m³ | |
✓
PM2.5 concentration in Princeton air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Princeton?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Princeton air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 20 AQI US |  100% | 60.8° 35.6° |  13.4 mp/h |
| Wednesday, May 1 | Good 15 AQI US | 100% | 60.8° 46.4° | 17.9 mp/h |
| Thursday, May 2 | Good 18 AQI US | 100% | 48.2° 44.6° | 15.7 mp/h |
| Friday, May 3 | Good 11 AQI US |  | 57.2° 42.8° | 17.9 mp/h |
| Saturday, May 4 | Good 5 AQI US | 100% | 46.4° 41° | 6.7 mp/h |
| Sunday, May 5 | Good 5 AQI US | | 60.8° 37.4° | 6.7 mp/h |
| Monday, May 6 | Good 5 AQI US |  | 68° 44.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Princeton?
No locations are available.
AQI US, Metric