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 El Cajon
Air quality index (AQI) and PM2.5 air pollution in El Cajon
490 people follow this city
El Cajon Air Quality Map
Real-time El Cajon air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in El Cajon today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in El Cajon?
| Weather | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 59% |
| Wind | 12.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Orcutt, California | 100 |
| 2 | Oklahoma City, Oklahoma | 79 |
| 3 | Corpus Christi, Texas | 76 |
| 4 | San Antonio, Texas | 76 |
| 5 | Tampa, Florida | 75 |
| 6 | Boerne, Texas | 74 |
| 7 | Edmond, Oklahoma | 72 |
| 8 | Leavenworth, Kansas | 70 |
| 9 | Georgetown, Texas | 69 |
| 10 | Leander, Texas | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live El Cajon aqi ranking
Real-time El Cajon air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | El Cajon - Lexington Elementary School | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
29
live AQI index
Good
Overview
What is the current air quality in El Cajon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 29 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7µg/m³ | |
| PM10 | 22µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in El Cajon is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in El Cajon?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
El Cajon air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 24 | Good 31 AQI US |  | 64.4° 55.4° |  13.4 mp/h |
| Thursday, Apr 25 | Good 31 AQI US | | 60.8° 55.4° | 13.4 mp/h |
| Friday, Apr 26 | Good 29 AQI US | | 66.2° 55.4° | 8.9 mp/h |
| Today | Good 29 AQI US | 40% | 66.2° 55.4° | 8.9 mp/h |
| Sunday, Apr 28 | Good 25 AQI US |  | 73.4° 53.6° | 8.9 mp/h |
| Monday, Apr 29 | Good 30 AQI US | | 75.2° 57.2° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 31 AQI US | | 73.4° 57.2° | 8.9 mp/h |
| Wednesday, May 1 | Good 25 AQI US |  | 71.6° 55.4° | 8.9 mp/h |
| Thursday, May 2 | Good 17 AQI US | | 77° 57.2° | 8.9 mp/h |
| Friday, May 3 | Good 18 AQI US | | 75.2° 59° | 8.9 mp/h |
| Saturday, May 4 | Good 33 AQI US | | 69.8° 57.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
El Cajon air quality data attribution
1 Data source
Where is the cleanest air quality in El Cajon?
AQI US, Metric