Sagamihara-shi: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Sagamihara-shi

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Pollution and air quality forecast for Sagamihara-shi. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Sagamihara-shi:

particulate matter (PM2.5) dust - 31 (Moderate)
particulate matter (PM10) suspended dust - 33 (Moderate)
ozone (O3) - 92 (Moderate)
nitrogen dioxide (NO2) - 17 (Good)
sulfur dioxide (SO2) - 22 (Good)
carbon monoxide (CO) - 285 (Good)

Real-time Air Quality Index (AQI) for Sagamihara-shi, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Sagamihara-shi today? Is the air polluted in Sagamihara-shi?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Sagamihara-shi. Some pollutants in Sagamihara-shi may slightly affect very few hypersensitive individuals. Air pollutants in Sagamihara-shi may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Sagamihara-shi? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 31 (Moderate) For comparison, the highest level of PM2.5 in Sagamihara-shi in the last 7 days was: 43 (Thursday, August 27, 2026) and the lowest: 14 (Friday, August 21, 2026).

What is the level of PM10 today in Sagamihara-shi? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Sagamihara-shi is: 33 (Moderate)

How is the O3 level today in Sagamihara-shi? (ozone (O3))
92 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
17 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
22 (Good)

How high is the CO level? (carbon monoxide (CO))
285 (Good)

Current data Thursday, August 27, 2026 at 10:00 AM

PM2,5 31 (Moderate)

PM10 33 (Moderate)

O3 92 (Moderate)

NO2 17 (Good)

SO2 22 (Good)

CO 285 (Good)

Data on air pollution from recent days in Sagamihara-shi

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	43 Unhealthy for Sensitive Groups	23 Moderate	17 Moderate	15 Moderate	15 Moderate	21 Moderate	14 Moderate	21 Moderate
pm10	45 Moderate	24 Moderate	18 Good	15 Good	15 Good	22 Moderate	15 Good	25 Moderate
o3	64 Good	92 Moderate	77 Moderate	95 Moderate	85 Moderate	82 Moderate	74 Moderate	71 Moderate
no2	33 Good	21 Good	16 Good	16 Good	19 Good	21 Good	15 Good	21 Good
so2	21 Good	10 Good	6 Good	8 Good	13 Good	11 Good	8 Good	12 Good
co	266 Good	255 Good	282 Good	298 Good	212 Good	243 Good	249 Good	255 Good

data source »

Quality of life in Sagamihara-shi

Green and Parks in the City

Sagamihara-shi 88%

South Korea: 61% Taiwan: 53% Northern Mariana Islands: 83% Guam: 29%

particulate matter PM2.5

Sagamihara-shi 15 (Moderate)

Pleasure of spending time in the city

Sagamihara-shi 81%

South Korea: 43% North Korea: 44% Taiwan: 47% Northern Mariana Islands: 81% Guam: 62%

particulate matter PM10

Sagamihara-shi 28 (Moderate)

Air Pollution

Sagamihara-shi 26%

South Korea: 69% North Korea: 44% Taiwan: 61% Northern Mariana Islands: 11% Guam: 33%

Garbage Disposal

Sagamihara-shi 88%

South Korea: 62% North Korea: 47% Taiwan: 65% Northern Mariana Islands: 42% Guam: 35%

Availability and quality of drinking water

Sagamihara-shi 84%

South Korea: 72% North Korea: 47% Taiwan: 54% Northern Mariana Islands: 56% Guam: 52%

Cleanliness and tidiness

Sagamihara-shi 88%

South Korea: 63% North Korea: 58% Taiwan: 56% Northern Mariana Islands: 56% Guam: 37%

Noise and Light pollution

Sagamihara-shi 36%

North Korea: 33% Taiwan: 59% Northern Mariana Islands: 42% Guam: 54%

Water Pollution

Sagamihara-shi 36%

South Korea: 38% North Korea: 56% Taiwan: 58% Northern Mariana Islands: 58% Guam: 46%

Source: Numbeo

Sagamihara-shi

Thursday, August 27, 2026 at 10:00 AM

PM2,5 31 (Moderate)

particulate matter (PM2.5) dust

PM10 33 (Moderate)

particulate matter (PM10) suspended dust

O3 92 (Moderate)

ozone (O3)

NO2 17 (Good)

nitrogen dioxide (NO2)

SO2 22 (Good)

sulfur dioxide (SO2)

CO 285 (Good)

carbon monoxide (CO)

Sagamihara-shi

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	21	14	21	15	15	17	23	43
pm10	25	15	22	15	15	18	24	45
o3	71	74	82	85	95	77	92	64
no2	21	15	21	19	16	16	21	33
so2	12	8.3	11	13	8.3	5.8	10	21
co	255	249	243	212	298	282	255	266

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Japan

16-day weather forecast for Japan: today around 32°C (rain), lows near 21°C. Daily temperature and conditions, updated every day. Wind is light today (about 6 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — Japan

The UV index in Japan today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Sagamihara-shi — compare nearby locations.

Tokyo 30 µg/m³
Yokohama 30 µg/m³
Osaka City 8 µg/m³
Nagoya 17 µg/m³
Sapporo 6 µg/m³
Kōbe Shi 7 µg/m³
Kyoto 6 µg/m³
Fukuoka City 6 µg/m³

Frequently asked questions

Is the air safe to breathe in Sagamihara-shi today?

The current average PM2.5 across Sagamihara-shi is about 31 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Sagamihara-shi?

Right now PM2.5 in Sagamihara-shi averages about 31 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Sagamihara-shi?

Over the past week, the highest daily PM2.5 in Sagamihara-shi was recorded on Thursday, August 27 (about 43 µg/m³).

What is the UV index in Sagamihara-shi today?

The UV index in Sagamihara-shi today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Sagamihara-shi?

Wind is light today (about 6 km/h) — pollutants can build up near the ground.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.