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 National City
Air quality index (AQI) and PM2.5 air pollution in National City
104 people follow this city
National City Air Quality Map
Real-time National City air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in National City today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in National City?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 81% |
| Wind | 10.4 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 127 |
| 2 | Tampa, Florida | 72 |
| 3 | Pahrump, Nevada | 70 |
| 4 | Tallahassee, Florida | 66 |
| 5 | Conway, South Carolina | 64 |
| 6 | Decatur, Georgia | 61 |
| 7 | Kingsbury, Nevada | 61 |
| 8 | Athens, Georgia | 60 |
| 9 | Rock Hill, South Carolina | 60 |
| 10 | Atlanta, Georgia | 59 |
(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 National City?
| 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 National City air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in National City?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
National City air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 18 AQI US |  50% | 62.6° 57.2° |  11.2 mp/h |
| Friday, Apr 26 | Good 20 AQI US | | 60.8° 57.2° | 15.7 mp/h |
| Saturday, Apr 27 | Good 17 AQI US |  | 64.4° 57.2° | 11.2 mp/h |
| Sunday, Apr 28 | Good 22 AQI US |  | 68° 57.2° | 8.9 mp/h |
| Monday, Apr 29 | Good 18 AQI US | | 68° 59° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 18 AQI US | | 68° 59° | 8.9 mp/h |
| Wednesday, May 1 | Good 16 AQI US | | 66.2° 59° | 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 National City?
No locations are available.
AQI US, Metric