Worst air pollution Alexandria, today and tomorrow
Today (16 July): Air quality in Alexandria is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 48.6/100).
Tomorrow (17 July 2026): Air quality in Alexandria is medium. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 51.8/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Alexandria's air quality in Virginia reflects its position directly across the Potomac River from Washington DC, with the George Washington Memorial Parkway and I-495 Beltway generating concentrated commuter vehicle emissions alongside the dense urban character of this historic Potomac waterfront city. The Reagan National Airport approach traffic contributes aviation NOₓ, while the Potomac River provides some ventilation and the broader mid-Atlantic Washington metropolitan airshed contributes regional ozone and PM2.5 throughout the summer season.
Today - 16 July | Pollution peaks at 09:00
AQI:
Medium
48.6/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
11.8/100
NO2 (nitrogen dioxide):
Good
3.4/100
O3 (ozone):
Medium
48.6/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.4/100
PM1 (ultrafine particles):
Good
9.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Medium
51.8/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
8.1/100
NO2 (nitrogen dioxide):
Good
3.6/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.8/100
PM1 (ultrafine particles):
Good
8.7/100
Pollen forecast in Alexandria
View pollen forecastFrequently Asked Questions
Is air quality bad in Alexandria right now?
On 16 July 2026, overall air quality in Alexandria is medium. AQI is the main air quality indicator at 48.6/100. Pollution peaks around 9:00 AM (O3: 48.6/100).
Will air quality be worse tomorrow in Alexandria?
On 17 July 2026, air quality conditions in Alexandria will be similar to today, with AQI forecast at medium at 51.8/100. Pollution peaks around 8:00 AM (O3: 51.8/100).
When is air pollution at its worst in Alexandria?
Alexandria sees air quality change through the year. Typically, once summer ozone season ends, winter typically offers the cleanest air, while the hottest, most humid summer weeks bring the year's highest ozone readings. Suburban and rural areas generally see less of the persistent traffic-driven pollution that affects the urban core.
Are air quality levels in Alexandria based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app