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 Junction
Air quality index (AQI) and PM2.5 air pollution in Princeton Junction
336 people follow this city
Princeton Junction Air Quality Map
Real-time Princeton Junction air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Princeton Junction 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 Junction?
| Weather | Clear sky |
| Temperature | 51.8°F |
| Humidity | 75% |
| Wind | 5.7 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 94 |
| 2 | Claremont, California | 83 |
| 3 | Glendora, California | 82 |
| 4 | Coachella, California | 79 |
| 5 | San Fernando, California | 79 |
| 6 | La Verne, California | 77 |
| 7 | Pahrump, Nevada | 77 |
| 8 | Alhambra, California | 75 |
| 9 | Fontana, California | 75 |
| 10 | Marina del Rey, California | 75 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Princeton Junction aqi ranking
Real-time Princeton Junction air quality ranking
US AQI
25*
live AQI index
Good
Overview
What is the current air quality in Princeton Junction?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.6*µg/m³ | |
✓
PM2.5 concentration in Princeton Junction air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Princeton Junction?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Princeton Junction air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 25 AQI US | | 78.8° 51.8° |  6.7 mp/h |
| Sunday, Jun 2 | Moderate 59 AQI US  |  40% | 75.2° 59° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 62 AQI US | 100% | 77° 59° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 59 AQI US | | 73.4° 57.2° | 8.9 mp/h |
| Wednesday, Jun 5 | Good 27 AQI US |  | 69.8° 55.4° | 8.9 mp/h |
| Thursday, Jun 6 | Good 34 AQI US | 90% | 64.4° 57.2° | 8.9 mp/h |
| Friday, Jun 7 | Moderate 64 AQI US | 100% | 77° 62.6° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Princeton Junction?
No locations are available.
AQI US, Metric