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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
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Pollen
What is the pollen count in Portsmouth today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portsmouth?
| Weather | Scattered clouds |
| Temperature | 44.6°F |
| Humidity | 83% |
| Wind | 3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hot Springs, South Dakota | 78 |
| 2 | Corpus Christi, Texas | 70 |
| 3 | Fort Myers, Florida | 68 |
| 4 | McCall, Idaho | 64 |
| 5 | San Bernardino, California | 62 |
| 6 | Porterville, California | 60 |
| 7 | Claremont, California | 59 |
| 8 | La Verne, California | 59 |
| 9 | Las Cruces, New Mexico | 58 |
| 10 | Fontana, California | 57 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Portsmouth aqi ranking
Real-time Portsmouth air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Portsmouth Station | 25 |
| 2 | Lang Rd | 21 |
(local time)
SEE WORLD AQI RANKING
US AQI
17
live AQI index
Good
Overview
What is the current air quality in Portsmouth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 17 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.1µg/m³ | |
| PM10 | 4µg/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 |
|---|---|---|---|---|
| Wednesday, May 8 | Good 23 AQI US |  | 55.4° 46.4° |  11.2 mp/h |
| Thursday, May 9 | Good 21 AQI US | | 51.8° 44.6° | 8.9 mp/h |
| Friday, May 10 | Good 23 AQI US | | 50° 41° | 8.9 mp/h |
| Today | Good 17 AQI US | | 53.6° 39.2° | 8.9 mp/h |
| Sunday, May 12 | Good 20 AQI US | | 55.4° 44.6° | 11.2 mp/h |
| Monday, May 13 | Good 20 AQI US | 90% | 68° 48.2° | 11.2 mp/h |
| Tuesday, May 14 | Good 35 AQI US | 100% | 57.2° 53.6° | 8.9 mp/h |
| Wednesday, May 15 | Good 18 AQI US | 20% | 64.4° 53.6° | 8.9 mp/h |
| Thursday, May 16 | Good 10 AQI US | | 59° 48.2° | 8.9 mp/h |
| Friday, May 17 | Good 32 AQI US | 100% | 53.6° 48.2° | 15.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Portsmouth air quality data attribution
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portsmouth?
AQI US, Metric