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 Northfield
Air quality index (AQI) and PM2.5 air pollution in Northfield
393 people follow this city
Northfield Air Quality Map
Real-time Northfield air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Northfield today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Northfield?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 93% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Claremont, California | 83 |
| 2 | Redlands, California | 81 |
| 3 | Glendora, California | 80 |
| 4 | San Fernando, California | 79 |
| 5 | Glendale, California | 78 |
| 6 | Pasadena, California | 78 |
| 7 | San Bernardino, California | 78 |
| 8 | Coachella, California | 77 |
| 9 | North Hollywood, California | 77 |
| 10 | Alhambra, California | 75 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
56*
live AQI index
Moderate
Overview
What is the current air quality in Northfield?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 56* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.1*µg/m³ | |
!
PM2.5
x2.4
PM2.5 concentration in Northfield is currently 2.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Northfield?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Northfield air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 56 AQI US |  100% | 73.4° 59° |  8.9 mp/h |
| Sunday, Jun 2 | Moderate 63 AQI US | | 73.4° 55.4° | 17.9 mp/h |
| Monday, Jun 3 | Moderate 61 AQI US | 100% | 75.2° 62.6° | 20.1 mp/h |
| Tuesday, Jun 4 | Good 49 AQI US  | 100% | 82.4° 62.6° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 15 AQI US | 100% | 71.6° 55.4° | 22.4 mp/h |
| Thursday, Jun 6 | Good 7 AQI US | 70% | 57.2° 51.8° | 20.1 mp/h |
| Friday, Jun 7 | Good 6 AQI US | 90% | 57.2° 50° | 20.1 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 Northfield?
No locations are available.
AQI US, Metric