Get a monitor and contributor to air quality data in your city.
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
19.9K people follow this city
Princeton Air Quality Map
Real-time Princeton air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
See all
Pollen
What is the pollen count in Princeton today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Princeton?
| Weather | Broken clouds |
| Temperature | 42.8°F |
| Humidity | 59% |
| Wind | 6.9 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 103 |
| 2 | Pahrump, Nevada | 70 |
| 3 | Tallahassee, Florida | 66 |
| 4 | Conway, South Carolina | 64 |
| 5 | Gary, Indiana | 63 |
| 6 | Decatur, Georgia | 61 |
| 7 | Athens, Georgia | 60 |
| 8 | Rock Hill, South Carolina | 60 |
| 9 | Marietta, Georgia | 59 |
| 10 | Atlanta, Georgia | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Princeton aqi ranking
Real-time Princeton air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Princeton | 20 |
| 2 | Pine Street | 17 |
| 3 | Princeton Meadows | 15 |
| 4 | Ridgeview Road | 15 |
| 5 | Governors Lane | 14 |
| 6 | Somerset | 13 |
(local time)
SEE WORLD AQI RANKING
US AQI
15
live AQI index
Good
Overview
What is the current air quality in Princeton?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 15 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.7µg/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 |
|---|---|---|---|---|
| Monday, Apr 22 | Good 21 AQI US |  | 64.4° 39.2° |  11.2 mp/h |
| Tuesday, Apr 23 | Good 18 AQI US |  | 64.4° 48.2° | 11.2 mp/h |
| Wednesday, Apr 24 | Good 14 AQI US | | 55.4° 41° | 8.9 mp/h |
| Today | Good 15 AQI US | | 55.4° 41° | 8.9 mp/h |
| Friday, Apr 26 | Good 17 AQI US |  | 59° 37.4° | 6.7 mp/h |
| Saturday, Apr 27 | Good 15 AQI US | | 62.6° 37.4° | 8.9 mp/h |
| Sunday, Apr 28 | Good 21 AQI US | 40% | 69.8° 50° | 6.7 mp/h |
| Monday, Apr 29 | Moderate 55 AQI US  | 50% | 78.8° 57.2° | 4.5 mp/h |
| Tuesday, Apr 30 | Moderate 63 AQI US | 100% | 82.4° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 62 AQI US | | 78.8° 59° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Princeton air quality data attribution
6Contributors
- 6 Anonymous contributors
6 stations
6 Anonymous Contributors
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Princeton?
AQI US, Metric