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Air quality in Portsmouth
Air quality index (AQI) and PM2.5 air pollution in Portsmouth
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Portsmouth Air Quality Map
Real-time Portsmouth air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Portsmouth today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Portsmouth?
| Weather | Broken clouds |
| Temperature | 42.8°F |
| Humidity | 86% |
| Wind | 6.9 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 99 |
| 2 | Frederick, Maryland | 84 |
| 3 | Casa Grande, Arizona | 82 |
| 4 | Porterville, California | 80 |
| 5 | Sequoia National Park, California | 80 |
| 6 | Three Rivers, California | 77 |
| 7 | Charles Town, West Virginia | 72 |
| 8 | South Gate, California | 72 |
| 9 | Hagerstown, Maryland | 66 |
| 10 | Springville, California | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
8*
live AQI index
Good
Overview
What is the current air quality in Portsmouth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 8* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2*µg/m³ | |
✓
PM2.5 concentration in Portsmouth air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Portsmouth?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Portsmouth air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 8 AQI US | | 51.8° 42.8° |  11.2 mp/h |
| Saturday, Apr 20 | Good 19 AQI US |  100% | 53.6° 42.8° | 13.4 mp/h |
| Sunday, Apr 21 | Good 16 AQI US |  | 53.6° 37.4° | 13.4 mp/h |
| Monday, Apr 22 | Good 15 AQI US |  | 57.2° 41° | 8.9 mp/h |
| Tuesday, Apr 23 | Good 8 AQI US | | 51.8° 39.2° | 13.4 mp/h |
| Wednesday, Apr 24 | Good 8 AQI US | 100% | 51.8° 44.6° | 11.2 mp/h |
| Thursday, Apr 25 | Good 12 AQI US | 90% | 48.2° 33.8° | 13.4 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Portsmouth?
No locations are available.
AQI US, Metric