Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Princeton
Air quality index (AQI) and PM2.5 air pollution in Princeton
19 people follow this city
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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 75.2°F |
| Humidity | 50% |
| Wind | 0 mp/h |
| Pressure | 30.4 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Oklahoma City, Oklahoma | 83 |
| 2 | Edmond, Oklahoma | 80 |
| 3 | Tampa, Florida | 78 |
| 4 | San Antonio, Texas | 68 |
| 5 | Corpus Christi, Texas | 67 |
| 6 | Tulsa, Oklahoma | 67 |
| 7 | Boerne, Texas | 64 |
| 8 | Lawrence, Kansas | 64 |
| 9 | The Woodlands, Texas | 63 |
| 10 | Leavenworth, Kansas | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
19*
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 19* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.6*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 19 AQI US | | 75.2° 51.8° |  8.9 mp/h |
| Sunday, Apr 28 | Good 31 AQI US |  | 77° 55.4° | 11.2 mp/h |
| Monday, Apr 29 | Good 41 AQI US |  | 78.8° 57.2° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 18 AQI US |  100% | 82.4° 59° | 11.2 mp/h |
| Wednesday, May 1 | Good 46 AQI US | 100% | 80.6° 59° | 6.7 mp/h |
| Thursday, May 2 | Moderate 71 AQI US  | | 80.6° 59° | 11.2 mp/h |
| Friday, May 3 | Moderate 75 AQI US | 50% | 78.8° 57.2° | 8.9 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