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Air quality in Portsmouth
Air quality index (AQI) and PM2.5 air pollution in Portsmouth
29 people follow this city
Portsmouth Air Quality Map
Real-time Portsmouth air pollution map
AIR QUALITY DATA CONTRIBUTORS
Ohio Environmental Protection Agency (Ohio EPA)
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Pollen
What is the pollen count in Portsmouth today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Portsmouth?
| Weather | Clear sky |
| Temperature | 86°F |
| Humidity | 30% |
| Wind | 8.1 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Durham, North Carolina | 105 |
| 2 | Chapel Hill, North Carolina | 95 |
| 3 | New Braunfels, Texas | 78 |
| 4 | Greenville, South Carolina | 76 |
| 5 | San Antonio, Texas | 74 |
| 6 | Georgetown, Texas | 73 |
| 7 | Round Rock, Texas | 69 |
| 8 | Austin, Texas | 66 |
| 9 | Bryson City, North Carolina | 65 |
| 10 | Corpus Christi, Texas | 65 |
(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 Water Treatment Plant | 103 |
(local time)
SEE WORLD AQI RANKING
US AQI
68
live AQI index
Moderate
Overview
What is the current air quality in Portsmouth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 68 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 20.2µg/m³ | |
!
PM2.5
x4
PM2.5 concentration in Portsmouth is currently 4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Portsmouth?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Portsmouth air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 13 | Good 28 AQI US  |  | 82.4° 48.2° |  13.4 mp/h |
| Sunday, Apr 14 | Good 30 AQI US | | 84.2° 59° | 8.9 mp/h |
| Monday, Apr 15 | Moderate 54 AQI US | | 86° 55.4° | 6.7 mp/h |
| Today | Moderate 68 AQI US | 70% | 86° 55.4° | 6.7 mp/h |
| Wednesday, Apr 17 | Good 49 AQI US | 100% | 73.4° 60.8° | 15.7 mp/h |
| Thursday, Apr 18 | Good 19 AQI US | | 73.4° 51.8° | 4.5 mp/h |
| Friday, Apr 19 | Good 39 AQI US | 100% | 64.4° 48.2° | 11.2 mp/h |
| Saturday, Apr 20 | Good 10 AQI US |  | 59° 42.8° | 8.9 mp/h |
| Sunday, Apr 21 | Good 7 AQI US | | 55.4° 37.4° | 4.5 mp/h |
| Monday, Apr 22 | Good 9 AQI US | | 62.6° 37.4° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 16 AQI US | 80% | 60.8° 42.8° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Portsmouth air quality data attribution
1Contributor
Government Contributor
2 Data sources
Where is the cleanest air quality in Portsmouth?
AQI US, Metric