Worst air pollution Hatogaya-honchō, today and tomorrow
Today (16 July): Air quality in Hatogaya-honchō is poor. AQI and O3 are poor; PM2.5, NO2, SO2, and PM1 are fair; PM10, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 72.9/100).
Tomorrow (17 July 2026): Air quality in Hatogaya-honchō is fair. AQI improves to medium; NO2 decreases to medium; O3 decreases to fair; SO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 AM (NO2: 45.1/100). 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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Hatogaya-honchō in Saitama reflects the flat Saitama southern Shiotsuma River adjacent to Tokyo, with vehicle traffic on surrounding roads and the manufacturing and dense residential character contributing local sources. The flat Kanto Plain allows reasonable dispersal, while the broader Tokyo metropolitan regional emissions elevate background and summer photochemical ozone is the primary warm-season concern and the area generally maintains moderate Tokyo northern Saitama suburban readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Poor
72.9/100
PM2.5 (fine particles):
Fair
22.3/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Fair
36.3/100
O3 (ozone):
Poor
72.9/100
SO2 (sulfur dioxide):
Fair
30.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.7/100
PM1 (ultrafine particles):
Fair
26.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Medium
45.1/100
PM2.5 (fine particles):
Fair
22.7/100
PM10 (coarse particles):
Good
6.2/100
NO2 (nitrogen dioxide):
Medium
45.1/100
O3 (ozone):
Fair
30.9/100
SO2 (sulfur dioxide):
Medium
41.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.7/100
PM1 (ultrafine particles):
Fair
28.8/100
Frequently Asked Questions
Is air quality bad in Hatogaya-honchō right now?
On 16 July 2026, overall air quality in Hatogaya-honchō is poor. AQI is the main air quality indicator at 72.9/100. Pollution peaks around 1:00 PM (O3: 72.9/100).
Will air quality be worse tomorrow in Hatogaya-honchō?
On 17 July 2026, air quality conditions in Hatogaya-honchō will be better than today, with O3 forecast at fair at 30.9/100. Pollution peaks around 10:00 AM (NO2: 45.1/100).
When is air pollution at its worst in Hatogaya-honchō?
Hatogaya-honchō usually sees its poorest air quality when traffic on the surrounding roads, steel, cement, and chemical production, along with manufacturing activity coincide with periods when hot, still weather settles in. Photochemical reactions in the heat push ozone levels higher. This is far less of an issue outside the warmer months.
Are air quality levels in Hatogaya-honchō 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