Worst air pollution Downtown Lima - Lima, today and tomorrow
Today (16 July): Air quality in Downtown Lima is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 37.6/100).
Tomorrow (17 July 2026): Air quality in Downtown Lima is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 40.4/100). 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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As the city's compact downtown core, Downtown Lima experiences air quality conditions similar to the rest of Lima, following the same broader regional pattern. Any local variation tends to be minor compared with the seasonal swings seen across the wider city.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
37.6/100
PM2.5 (fine particles):
Good
12.3/100
PM10 (coarse particles):
Good
12.4/100
NO2 (nitrogen dioxide):
Good
9.5/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.1/100
PM1 (ultrafine particles):
Good
6.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Medium
40.4/100
PM2.5 (fine particles):
Good
8.3/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Good
16.6/100
O3 (ozone):
Medium
40.4/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
5.3/100
Other Landmarks in Lima
Frequently Asked Questions
Is air quality bad in Downtown Lima right now?
On 16 July 2026, overall air quality in Downtown Lima is fair. AQI is the main air quality indicator at 37.6/100. Pollution peaks around 12:00 PM (O3: 37.6/100).
Will air quality be worse tomorrow in Downtown Lima?
On 17 July 2026, air quality conditions in Downtown Lima will be better than today, with AQI forecast at medium at 40.4/100. Pollution peaks around 12:00 PM (O3: 40.4/100).
When is air pollution at its worst in Downtown Lima?
Like the rest of Lima, Downtown Lima sees air quality change through the year. Typically, spring and autumn tend to bring the cleanest, most stable air, while hot, humid summer conditions drive ozone formation, especially during heat waves. Lake-effect winds can help clear the air on many days near the Great Lakes shoreline.
Are air quality levels in Downtown Lima 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