Worst air pollution Inzai, today and tomorrow
Today (16 July): Air quality in Inzai is fair. PM1 is fair; AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 58.8/100).
Tomorrow (17 July 2026): Air quality in Inzai is good. AQI improves to good; O3 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (NO2: 19.6/100). 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.
Inzai's air quality reflects the flat Chiba Prefecture Inba Marshland position adjacent to Narita Airport's extended approach paths, with vehicle traffic on surrounding roads and the residential and commercial character contributing local sources alongside the airport's aviation background. The flat Kanto Plain allows reasonable dispersal, while summer photochemical ozone is the primary warm-season concern and Inzai generally maintains moderate Tokyo northeastern Chiba suburban readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
58.8/100
PM2.5 (fine particles):
Good
19.3/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Good
14.0/100
O3 (ozone):
Medium
58.8/100
SO2 (sulfur dioxide):
Good
7.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.0/100
PM1 (ultrafine particles):
Fair
22.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Good
19.6/100
PM2.5 (fine particles):
Good
12.9/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Good
19.6/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Good
11.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.1/100
PM1 (ultrafine particles):
Good
17.3/100
Frequently Asked Questions
Is air quality bad in Inzai right now?
On 16 July 2026, overall air quality in Inzai is fair. PM1 is the main pollutant at 22.9/100. Pollution peaks around 1:00 PM (O3: 58.8/100).
Will air quality be worse tomorrow in Inzai?
On 17 July 2026, air quality conditions in Inzai will be better than today, with AQI forecast at good at 19.6/100. Pollution peaks around 10:00 AM (NO2: 19.6/100).
When is air pollution at its worst in Inzai?
Air quality in Inzai tends to be worse when road traffic, military aviation activity, as well as steel, cement, and chemical production build up and summer heat and strong sunlight build up. Heat and sunlight combine with emissions to form ozone at ground level. This is far less of an issue outside the warmer months.
Are air quality levels in Inzai 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