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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 |
Weather
What is the current weather in Herndon?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 47% |
| Wind | 15 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Gabriel, California | 89 |
| 2 | Redondo Beach, California | 87 |
| 3 | Torrance, California | 85 |
| 4 | Monrovia, California | 84 |
| 5 | West Carson, California | 81 |
| 6 | Visalia, California | 80 |
| 7 | Catonsville, Maryland | 79 |
| 8 | Culver City, California | 79 |
| 9 | Manhattan Beach, California | 79 |
| 10 | Monterey Park, California | 79 |
(local time)
SEE WORLD AQI RANKING
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US AQI
28*
live AQI index
Good
Overview
What is the current air quality in Herndon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 28* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.7*µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Herndon is currently 1.3 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 28 AQI US |  70% | 73.4° 53.6° |  8.9 mp/h |
| Friday, Apr 19 | Good 43 AQI US | 70% | 66.2° 46.4° | 8.9 mp/h |
| Saturday, Apr 20 | Good 41 AQI US | 70% | 64.4° 44.6° | 13.4 mp/h |
| Sunday, Apr 21 | Good 12 AQI US | | 57.2° 39.2° | 8.9 mp/h |
| Monday, Apr 22 | Good 18 AQI US | | 60.8° 41° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 23 AQI US | | 68° 44.6° | 13.4 mp/h |
| Wednesday, Apr 24 | Good 25 AQI US | 100% | 64.4° 44.6° | 13.4 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