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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 | Moderate | |
 | Tree pollen | Low | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Weather
What is the current weather in Princeton?
| Weather | Clear sky |
| Temperature | 46.4°F |
| Humidity | 78% |
| Wind | 9.5 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 72 |
| 2 | Springville, California | 72 |
| 3 | Three Rivers, California | 69 |
| 4 | Sequoia National Park, California | 68 |
| 5 | San Antonio, Texas | 61 |
| 6 | Lake Charles, Louisiana | 60 |
| 7 | Porterville, California | 60 |
| 8 | Little Rock, Arkansas | 58 |
| 9 | Birmingham, Alabama | 57 |
| 10 | Carlsbad, New Mexico | 56 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
12*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 12* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3*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 12 AQI US |  | 55.4° 35.6° |  13.4 mp/h |
| Friday, Apr 19 | Good 6 AQI US | | 50° 33.8° | 13.4 mp/h |
| Saturday, Apr 20 | Good 5 AQI US |  | 57.2° 35.6° | 8.9 mp/h |
| Sunday, Apr 21 | Good 12 AQI US |  20% | 62.6° 39.2° | 17.9 mp/h |
| Monday, Apr 22 | Good 19 AQI US | 90% | 60.8° 44.6° | 20.1 mp/h |
| Tuesday, Apr 23 | Good 5 AQI US | | 53.6° 33.8° | 8.9 mp/h |
| Wednesday, Apr 24 | Good 7 AQI US | 50% | 57.2° 41° | 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