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Air quality in Caldwell
Air quality index (AQI) and PM2.5 air pollution in Caldwell
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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 | Few clouds |
| Temperature | 50°F |
| Humidity | 57% |
| Wind | 6.8 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Redlands, California | 79 |
| 2 | San Bernardino, California | 79 |
| 3 | San Gabriel, California | 76 |
| 4 | Fontana, California | 75 |
| 5 | Monterey Park, California | 74 |
| 6 | La Habra, California | 73 |
| 7 | Hot Springs, South Dakota | 72 |
| 8 | San Fernando, California | 72 |
| 9 | Claremont, California | 71 |
| 10 | Downey, California | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
29*
live AQI index
Good
Overview
What is the current air quality in Caldwell?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 29* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.2*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 29 AQI US |  | 80.6° 50° |  6.7 mp/h |
| Sunday, May 12 | Good 50 AQI US |  100% | 77° 59° | 20.1 mp/h |
| Monday, May 13 | Moderate 55 AQI US  | 100% | 71.6° 59° | 11.2 mp/h |
| Tuesday, May 14 | Good 49 AQI US | | 78.8° 57.2° | 11.2 mp/h |
| Wednesday, May 15 | Good 47 AQI US | 90% | 80.6° 57.2° | 15.7 mp/h |
| Thursday, May 16 | Moderate 73 AQI US | 100% | 73.4° 59° | 8.9 mp/h |
| Friday, May 17 | Good 22 AQI US | 50% | 71.6° 59° | 8.9 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 Caldwell?
No locations are available.
AQI US, Metric