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
6 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 |
Weather
What is the current weather in Caldwell?
| Weather | Broken clouds |
| Temperature | 71.6°F |
| Humidity | 53% |
| Wind | 5.8 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 95 |
| 2 | Coachella, California | 93 |
| 3 | Casa Grande, Arizona | 82 |
| 4 | Cleveland, Ohio | 67 |
| 5 | Palm Springs, California | 65 |
| 6 | Indio, California | 63 |
| 7 | Marana, Arizona | 60 |
| 8 | Pahrump, Nevada | 57 |
| 9 | Stamford, Connecticut | 57 |
| 10 | Thermal, California | 57 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
18*
live AQI index
Good
Overview
What is the current air quality in Caldwell?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 18* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.4*µg/m³ | |
✓
PM2.5 concentration in Caldwell air currently meets 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 |
|---|---|---|---|---|
| Today | Good 18 AQI US | | 73.4° 53.6° |  17.9 mp/h |
| Wednesday, Apr 24 | Good 27 AQI US |  60% | 71.6° 48.2° | 13.4 mp/h |
| Thursday, Apr 25 | Good 40 AQI US | 100% | 71.6° 55.4° | 22.4 mp/h |
| Friday, Apr 26 | Good 43 AQI US | 100% | 84.2° 66.2° | 24.6 mp/h |
| Saturday, Apr 27 | Good 34 AQI US | 100% | 87.8° 59° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 54 AQI US  | 100% | 77° 55.4° | 20.1 mp/h |
| Monday, Apr 29 | Good 9 AQI US | | 73.4° 46.4° | 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 Caldwell?
No locations are available.
AQI US, Metric