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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 | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 66% |
| Wind | 17.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Casa Grande, Arizona | 76 |
| 2 | Buffalo, New York | 68 |
| 3 | Corpus Christi, Texas | 68 |
| 4 | The Woodlands, Texas | 68 |
| 5 | Trenton, New Jersey | 66 |
| 6 | Throop, Pennsylvania | 63 |
| 7 | Lancaster, Pennsylvania | 62 |
| 8 | New York City, New York | 62 |
| 9 | Allentown, Pennsylvania | 61 |
| 10 | Braddock, Pennsylvania | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
9*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 9* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.1*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 9 AQI US | | 78.8° 71.6° |  15.7 mp/h |
| Tuesday, Apr 30 | Good 10 AQI US |  70% | 80.6° 71.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 9 AQI US | 70% | 82.4° 71.6° | 13.4 mp/h |
| Thursday, May 2 | Good 13 AQI US |  | 82.4° 71.6° | 13.4 mp/h |
| Friday, May 3 | Good 15 AQI US | | 82.4° 71.6° | 13.4 mp/h |
| Saturday, May 4 | Good 16 AQI US | 30% | 82.4° 71.6° | 13.4 mp/h |
| Sunday, May 5 | Good 17 AQI US | 30% | 82.4° 73.4° | 15.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Princeton?
No locations are available.
AQI US, Metric