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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 CONTRIBUTORS
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Pollen
What is the pollen count in Portsmouth today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portsmouth?
| Weather | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 74% |
| Wind | 8.1 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Arroyo Grande, California | 119 |
| 2 | Nipomo, California | 99 |
| 3 | Georgetown, Texas | 79 |
| 4 | Boerne, Texas | 77 |
| 5 | San Antonio, Texas | 77 |
| 6 | Round Rock, Texas | 75 |
| 7 | Austin, Texas | 74 |
| 8 | Leander, Texas | 72 |
| 9 | New Braunfels, Texas | 67 |
| 10 | Oklahoma City, Oklahoma | 62 |
(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 | 37 |
| 2 | Lang Rd | 25 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
live AQI index
Good
Overview
What is the current air quality in Portsmouth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.3µg/m³ | |
| PM10 | 11µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Portsmouth is currently 1.1 times 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, Apr 24 | Good 31 AQI US |  | 44.6° 30.2° |  11.2 mp/h |
| Thursday, Apr 25 | Good 30 AQI US | | 50° 32° | 11.2 mp/h |
| Friday, Apr 26 | Good 30 AQI US | | 53.6° 35.6° | 8.9 mp/h |
| Today | Good 22 AQI US |  70% | 62.6° 44.6° | 6.7 mp/h |
| Sunday, Apr 28 | Good 28 AQI US | | 59° 48.2° | 8.9 mp/h |
| Monday, Apr 29 | Good 6 AQI US | 40% | 48.2° 44.6° | 8.9 mp/h |
| Tuesday, Apr 30 | Good 13 AQI US | 100% | 48.2° 41° | 2.2 mp/h |
| Wednesday, May 1 | Good 15 AQI US | | 55.4° 42.8° | 8.9 mp/h |
| Thursday, May 2 | Good 15 AQI US | | 64.4° 46.4° | 8.9 mp/h |
| Friday, May 3 | Good 23 AQI US | 100% | 55.4° 50° | 6.7 mp/h |
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News
The latest air quality news and resources.
Portsmouth air quality data attribution
Data validated and calibrated by IQAirWhere is the cleanest air quality in Portsmouth?
AQI US, Metric