Worst air pollution Weihai, today and tomorrow
Today (16 July): Air quality in Weihai 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: 38.4/100).
Tomorrow (17 July 2026): Air quality in Weihai is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 16.7/100). 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
Use our Strava plugin to check your own exposure.
Weihai's air quality benefits from its exceptional Shandong Peninsula Yellow Sea and Korea Strait dual-coastal position, with consistent Yellow Sea and East China Sea breezes providing outstanding maritime ventilation along this famous resort coastline. Vehicle traffic on surrounding expressways and the marine products, tourism, and manufacturing corridor contribute local sources, while the extraordinary dual-coast maritime exposure generally maintains Weihai among Shandong's cleaner major coastal cities throughout most of the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
38.4/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
4.8/100
NO2 (nitrogen dioxide):
Good
15.1/100
O3 (ozone):
Fair
38.4/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.8/100
PM1 (ultrafine particles):
Good
14.7/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 20:00
AQI:
Good
16.7/100
PM2.5 (fine particles):
Good
15.2/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Good
16.7/100
O3 (ozone):
Good
15.7/100
SO2 (sulfur dioxide):
Good
2.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.0/100
PM1 (ultrafine particles):
Good
16.0/100
Frequently Asked Questions
Is air quality bad in Weihai right now?
On 16 July 2026, overall air quality in Weihai is fair. AQI is the main air quality indicator at 38.4/100. Pollution peaks around 12:00 PM (O3: 38.4/100).
Will air quality be worse tomorrow in Weihai?
On 17 July 2026, air quality conditions in Weihai will be better than today, with AQI forecast at good at 16.7/100. Pollution peaks around 8:00 PM (NO2: 16.7/100).
When is air pollution at its worst in Weihai?
The biggest local contributors to pollution in Weihai are vehicle traffic, manufacturing and food processing, together with tourism-related traffic, particularly once the sea breeze weakens. Maritime airflow normally ventilates the area well, though calmer spells let levels rise. This coastal advantage is less pronounced during still, high-pressure weather.
Are air quality levels in Weihai 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.
Check air quality in other popular cities:
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