Worst air pollution National Aquarium - Baltimore, today and tomorrow
Today (16 July): Air quality in National Aquarium is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 35.2/100).
Tomorrow (17 July 2026): Air quality in National Aquarium is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 39.5/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Baltimore's National Aquarium air quality reflects the Inner Harbour waterfront position, with vehicle traffic on Pratt Street and the surrounding concentrated tourism and convention character contributing local sources. The Patapsco River provides limited maritime ventilation, while the harbour's open water geometry provides reasonable dispersal and the aquarium generally maintains moderate Baltimore metropolitan readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Fair
35.2/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
8.7/100
NO2 (nitrogen dioxide):
Good
10.8/100
O3 (ozone):
Fair
35.2/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
9.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Fair
39.5/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Good
10.3/100
NO2 (nitrogen dioxide):
Good
10.4/100
O3 (ozone):
Fair
39.5/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
10.4/100
Other Landmarks in Baltimore
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Frequently Asked Questions
Is air quality bad in National Aquarium right now?
On 16 July 2026, overall air quality in National Aquarium is fair. AQI is the main air quality indicator at 35.2/100. Pollution peaks around 1:00 PM (O3: 35.2/100).
Will air quality be worse tomorrow in National Aquarium?
On 17 July 2026, air quality conditions in National Aquarium will be similar to today, with AQI forecast at fair at 39.5/100. Pollution peaks around 12:00 PM (O3: 39.5/100).
When is air pollution at its worst in National Aquarium?
This landmark in Baltimore sees air quality shift through the year: once summer ozone season ends, winter typically offers the cleanest air, but hot, humid summer conditions and regional haze drive ozone spikes, especially during heat waves. Dense urban traffic corridors add a persistent background level of pollution that varies less by season than ozone does.
Are air quality levels in National Aquarium 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.
Want to see air quality forecasts for other cities in United States?
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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