Worst air pollution Opéra & Grands Boulevards - Paris, today and tomorrow
Today (9 August): Air quality in Opéra & Grands Boulevards is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 45.0/100).
Tomorrow (10 August 2026): Air quality in Opéra & Grands Boulevards is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 37.4/100). 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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Paris's Opéra and Grands Boulevards district records elevated air quality exposure driven by some of central Paris's heaviest commercial and tourist traffic. The wide Haussmann boulevards aid dispersal compared to narrower side streets, but sustained vehicle density keeps NO₂ and PM10 consistently above residential averages.
Today - 9 August | Pollution peaks at 13:00
AQI:
Medium
45.0/100
PM2.5 (fine particles):
Good
12.2/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
12.4/100
O3 (ozone):
Medium
45.0/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
14.7/100
PM1 (ultrafine particles):
Good
13.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 13:00
AQI:
Fair
37.4/100
PM2.5 (fine particles):
Good
8.0/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
7.7/100
O3 (ozone):
Fair
37.4/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.8/100
PM1 (ultrafine particles):
Good
7.2/100
Other Landmarks in Paris
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Frequently Asked Questions
Is air quality bad in Opéra & Grands Boulevards right now?
On 9 August 2026, overall air quality in Opéra & Grands Boulevards is medium. AQI is the main air quality indicator at 45.0/100. Pollution peaks around 1:00 PM (O3: 45.0/100).
Will air quality be worse tomorrow in Opéra & Grands Boulevards?
On 10 August 2026, air quality conditions in Opéra & Grands Boulevards will be worse than today, with AQI forecast at fair at 37.4/100. Pollution peaks around 1:00 PM (O3: 37.4/100).
When is air pollution at its worst in Opéra & Grands Boulevards?
In Opéra & Grands Boulevards, part of Paris, the toughest days combine traffic and urban heating with the birch and plane pollen peak in spring; the Seine corridor channels westerly winds through the city, which usually brings relief within a day or two. Nearby Île-de-France farmland add a further seasonal factor.
Are air quality levels in Opéra & Grands Boulevards 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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