Worst air pollution Apex, today and tomorrow
Today (16 July): Air quality in Apex is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 65.0/100).
Tomorrow (17 July 2026): Air quality in Apex is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 53.5/100). 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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Apex's air quality benefits from the Research Triangle's relatively clean technology-focused economic base, with vehicle emissions from US-64 and the surrounding suburban Wake County residential and technology corridor contributing local sources. The gentle North Carolina Piedmont terrain provides reasonable wind dispersal, and Apex's planned community design with extensive green space maintains moderate conditions, while summer ozone from the broader southeastern US regional airshed is the primary warm-season concern.
Today - 16 July | Pollution peaks at 10:00
AQI:
Poor
65.0/100
PM2.5 (fine particles):
Good
17.6/100
PM10 (coarse particles):
Good
13.1/100
NO2 (nitrogen dioxide):
Good
1.6/100
O3 (ozone):
Poor
65.0/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.0/100
PM1 (ultrafine particles):
Good
14.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Medium
53.5/100
PM2.5 (fine particles):
Good
16.0/100
PM10 (coarse particles):
Good
9.3/100
NO2 (nitrogen dioxide):
Good
1.5/100
O3 (ozone):
Medium
53.5/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.4/100
PM1 (ultrafine particles):
Good
14.8/100
Pollen forecast in Apex
View pollen forecastFrequently Asked Questions
Is air quality bad in Apex right now?
On 16 July 2026, overall air quality in Apex is poor. AQI is the main air quality indicator at 65.0/100. Pollution peaks around 10:00 AM (O3: 65.0/100).
Will air quality be worse tomorrow in Apex?
On 17 July 2026, air quality conditions in Apex will be better than today, with AQI forecast at medium at 53.5/100. Pollution peaks around 8:00 AM (O3: 53.5/100).
When is air pollution at its worst in Apex?
Air quality across Apex rises and falls with the seasons. In short, mild winter weather usually brings the year's cleanest air, whereas hot, humid summer days bring the highest ozone risk, amplified by natural emissions from the dense surrounding forests. Occasional agricultural or prescribed-burning smoke can add short-lived particulate spikes outside the main summer ozone season.
Are air quality levels in Apex 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