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Air quality in Herndon
Air quality index (AQI) and PM2.5 air pollution in Herndon
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Herndon Air Quality Map
Real-time Herndon air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Herndon today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Herndon?
| Weather | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 75% |
| Wind | 9.2 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 164 |
| 2 | Indio, California | 124 |
| 3 | Tallahassee, Florida | 83 |
| 4 | Pahrump, Nevada | 70 |
| 5 | Conway, South Carolina | 65 |
| 6 | Decatur, Georgia | 61 |
| 7 | Gary, Indiana | 61 |
| 8 | Ocala, Florida | 61 |
| 9 | Hammond, Indiana | 60 |
| 10 | Marietta, Georgia | 60 |
(local time)
SEE WORLD AQI RANKING
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US AQI
25*
live AQI index
Good
Overview
What is the current air quality in Herndon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6*µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Herndon is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Herndon?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Herndon air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 25 AQI US | | 57.2° 46.4° |  8.9 mp/h |
| Friday, Apr 26 | Good 20 AQI US |  | 62.6° 42.8° | 8.9 mp/h |
| Saturday, Apr 27 | Good 12 AQI US |  90% | 53.6° 46.4° | 8.9 mp/h |
| Sunday, Apr 28 | Good 50 AQI US | | 77° 48.2° | 4.5 mp/h |
| Monday, Apr 29 | Moderate 73 AQI US  | | 84.2° 59° | 6.7 mp/h |
| Tuesday, Apr 30 | Moderate 78 AQI US | 100% | 84.2° 60.8° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 62 AQI US | 70% | 82.4° 59° | 8.9 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Herndon?
No locations are available.
AQI US, Metric