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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 | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Portsmouth?
| Weather | Mist |
| Temperature | 66.2°F |
| Humidity | 89% |
| Wind | 0 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hammond, Indiana | 92 |
| 2 | Thibodaux, Louisiana | 90 |
| 3 | Yucaipa, California | 84 |
| 4 | La Crescenta-Montrose, California | 81 |
| 5 | Redlands, California | 72 |
| 6 | San Bernardino, California | 71 |
| 7 | Mecca, California | 70 |
| 8 | Altadena, California | 69 |
| 9 | Fontana, California | 68 |
| 10 | The Woodlands, Texas | 68 |
(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 | 36 |
(local time)
SEE WORLD AQI RANKING
US AQI
36
live AQI index
Good
Overview
What is the current air quality in Portsmouth?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 36 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.5µg/m³ | |
| PM10 | 15µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Portsmouth is currently 1.3 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 |
|---|---|---|---|---|
| Tuesday, May 14 | Good 24 AQI US |  | 66.2° 59° |  4.5 mp/h |
| Wednesday, May 15 | Good 50 AQI US |  | 80.6° 53.6° | 4.5 mp/h |
| Thursday, May 16 | Moderate 52 AQI US  | | 69.8° 60.8° | 2.2 mp/h |
| Today | Good 36 AQI US | 30% | 78.8° 55.4° | 4.5 mp/h |
| Saturday, May 18 | Moderate 69 AQI US |  | 82.4° 57.2° | 6.7 mp/h |
| Sunday, May 19 | Moderate 70 AQI US |  | 84.2° 57.2° | 2.2 mp/h |
| Monday, May 20 | Moderate 68 AQI US | | 86° 60.8° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 78 AQI US | 30% | 84.2° 64.4° | 15.7 mp/h |
| Wednesday, May 22 | Moderate 71 AQI US | 90% | 73.4° 55.4° | 11.2 mp/h |
| Thursday, May 23 | Good 17 AQI US | | 77° 48.2° | 6.7 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