Worst air pollution Mobara, today and tomorrow
Today (21 September): Air quality in Mobara is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (PM2.5: 10.9/100).
Tomorrow (22 September 2026): Air quality in Mobara is fair. AQI worsens to fair; NO2 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 31.5/100). 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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Mobara's air quality reflects the flat Chiba Prefecture Isumi River coastal position on the Pacific, with vehicle traffic on surrounding roads and the natural gas extraction and manufacturing corridor contributing local sources. Consistent Pacific maritime breezes provide coastal ventilation, while the natural gas operations' distinctive industrial emissions represent Mobara's most locally notable air quality contribution and the flat coastal terrain allows reasonable dispersal throughout most of the year.
Today - 21 September | Pollution peaks at 11:00
AQI:
Good
10.9/100
PM2.5 (fine particles):
Good
10.9/100
PM10 (coarse particles):
Good
10.3/100
NO2 (nitrogen dioxide):
Good
9.8/100
O3 (ozone):
Good
8.9/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.7/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
9.3/100
Levels show the poorest local air quality during the day
Tomorrow - 22 September | Pollution peaks at 14:00
AQI:
Fair
31.5/100
PM2.5 (fine particles):
Good
14.8/100
PM10 (coarse particles):
Good
11.4/100
NO2 (nitrogen dioxide):
Fair
31.5/100
O3 (ozone):
Good
12.5/100
SO2 (sulfur dioxide):
Good
12.5/100
CO (carbon monoxide):
Good
1.6/100
HCHO (formaldehyde):
Good
7.4/100
PM1 (ultrafine particles):
Fair
27.1/100
Frequently Asked Questions
Is air quality bad in Mobara right now?
On 21 September 2026, overall air quality in Mobara is good. AQI is the main air quality indicator at 10.9/100. Pollution peaks around 11:00 AM (PM2.5: 10.9/100).
Will air quality be worse tomorrow in Mobara?
On 22 September 2026, air quality conditions in Mobara will be worse than today, with AQI forecast at fair at 31.5/100. Pollution peaks around 2:00 PM (NO2: 31.5/100).
When is air pollution at its worst in Mobara?
Pollution in Mobara typically rises when traffic on the surrounding roads, energy sector operations, along with manufacturing activity combine, especially once dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Mobara 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: 22 September 2026 at 02:59 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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