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 Caldwell
Air quality index (AQI) and PM2.5 air pollution in Caldwell
12 people follow this city
Caldwell Air Quality Map
Real-time Caldwell air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Caldwell today?
 | Index | High | |
 | Tree pollen | Low | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Caldwell?
| Weather | Clear sky |
| Temperature | 82.4°F |
| Humidity | 60% |
| Wind | 9.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Fuquay-Varina, North Carolina | 90 |
| 2 | Nipomo, California | 88 |
| 3 | Orcutt, California | 82 |
| 4 | Corpus Christi, Texas | 76 |
| 5 | New York City, New York | 57 |
| 6 | Chico, California | 56 |
| 7 | Wilmington, Delaware | 53 |
| 8 | Stamford, Connecticut | 51 |
| 9 | Dover, Delaware | 49 |
| 10 | Middletown, Ohio | 49 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
45*
live AQI index
Good
Overview
What is the current air quality in Caldwell?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.9*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Caldwell is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Caldwell?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Caldwell air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Apr 28 | Good 45 AQI US |  100% | 84.2° 66.2° |  6.7 mp/h |
| Today | Good 45 AQI US | 40% | 86° 64.4° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 43 AQI US | 90% | 82.4° 68° | 15.7 mp/h |
| Wednesday, May 1 | Good 49 AQI US | 90% | 82.4° 69.8° | 13.4 mp/h |
| Thursday, May 2 | Good 48 AQI US | 80% | 82.4° 69.8° | 13.4 mp/h |
| Friday, May 3 | Moderate 69 AQI US  | 20% | 84.2° 68° | 13.4 mp/h |
| Saturday, May 4 | Moderate 78 AQI US | 30% | 84.2° 69.8° | 13.4 mp/h |
| Sunday, May 5 | Moderate 75 AQI US | 30% | 86° 68° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Caldwell?
No locations are available.
AQI US, Metric