Smog in Hsinchu — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Hsinchu

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

particulate matter (PM2.5) dust - 7 (Good)
particulate matter (PM10) suspended dust - 8 (Good)
ozone (O3) - 62 (Good)
nitrogen dioxide (NO2) - 20 (Good)
sulfur dioxide (SO2) - 20 (Good)
carbon monoxide (CO) - 263 (Good)

Real-time Air Quality Index (AQI) for Hsinchu, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Hsinchu today? Is the air polluted in Hsinchu?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Hsinchu.

What is the current level of PM2.5 in Hsinchu? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Hsinchu in the last 7 days was: 16 (Thursday, August 20, 2026) and the lowest: 6 (Saturday, August 22, 2026). The highest PM2.5 values were recorded: 28 (February 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: June (7.8).

What is the level of PM10 today in Hsinchu? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Hsinchu is: 8 (Good) The highest PM10 values usually occur in month: 57 (March 2017). The lowest value of particulate matter PM10 pollution in Hsinchu is usually recorded in: August (22).

How is the O3 level today in Hsinchu? (ozone (O3))
62 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 9:00 AM

PM2,5 7 (Good)

PM10 8 (Good)

O3 62 (Good)

NO2 20 (Good)

SO2 20 (Good)

CO 263 (Good)

Data on air pollution from recent days in Hsinchu

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	13 Moderate	15 Moderate	10 Good	7 Good	11 Good	6 Good	8 Good	16 Moderate
pm10	14 Good	17 Good	10 Good	7 Good	11 Good	7 Good	9 Good	19 Good
o3	65 Good	29 Good	22 Good	49 Good	63 Good	47 Good	40 Good	65 Good
no2	32 Good	53 Moderate	57 Moderate	44 Moderate	37 Good	31 Good	37 Good	35 Good
so2	26 Good	48 Good	23 Good	20 Good	27 Good	26 Good	30 Good	40 Good
co	280 Good	608 Good	692 Good	496 Good	386 Good	325 Good	378 Good	396 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Hsinchu from December 2016 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
pm25	15 (Moderate)	18 (Moderate)	18 (Moderate)	18 (Moderate)	19 (Moderate)	14 (Moderate)	15 (Moderate)	19 (Moderate)	14 (Moderate)	11 (Good)	9.8 (Good)	7.8 (Good)	15 (Moderate)	16 (Moderate)	22 (Moderate)	23 (Moderate)	25 (Moderate)	28 (Moderate)	16 (Moderate)	19 (Moderate)	16 (Moderate)	16 (Moderate)	20 (Moderate)	10 (Good)	14 (Moderate)	21 (Moderate)	24 (Moderate)	24 (Moderate)	22 (Moderate)	19 (Moderate)
pm10	29 (Moderate)	32 (Moderate)	34 (Moderate)	33 (Moderate)	33 (Moderate)	27 (Moderate)	33 (Moderate)	36 (Moderate)	26 (Moderate)	22 (Moderate)	24 (Moderate)	25 (Moderate)	38 (Moderate)	40 (Moderate)	44 (Moderate)	40 (Moderate)	45 (Moderate)	52 (Unhealthy for Sensitive Groups)	32 (Moderate)	40 (Moderate)	31 (Moderate)	35 (Moderate)	37 (Moderate)	25 (Moderate)	38 (Moderate)	47 (Moderate)	57 (Unhealthy for Sensitive Groups)	50 (Moderate)	46 (Moderate)	50 (Unhealthy for Sensitive Groups)
so2:ppm	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)
co:ppm	0.31 (Good)	0.37 (Good)	0.39 (Good)	0.39 (Good)	0.47 (Good)	0.39 (Good)	0.28 (Good)	0.32 (Good)	0.26 (Good)	0.27 (Good)	0.24 (Good)	0.29 (Good)	0.35 (Good)	0.4 (Good)	0.45 (Good)	0.46 (Good)	0.48 (Good)	0.45 (Good)	0.42 (Good)	0.39 (Good)	0.35 (Good)	0.29 (Good)	0.36 (Good)	0.35 (Good)	0.38 (Good)	0.48 (Good)	0.46 (Good)	0.39 (Good)	0.42 (Good)	0.46 (Good)
no2:ppm	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.02 (Good)	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.01 (Good)	0.02 (Good)
o3:ppm	0.03 (Good)	0.04 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.05 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)

data source »

Quality of life in Hsinchu

Green and Parks in the City

Hsinchu 63%

Hong Kong: 52% Mexico: 56% Philippines: 45% South Korea: 61%

Pleasure of spending time in the city

Hsinchu 50%

Hong Kong: 43% Mexico: 57% Philippines: 39% South Korea: 43%

Air Pollution

Hsinchu 53%

Hong Kong: 67% Mexico: 53% Philippines: 64% South Korea: 69%

Garbage Disposal

Hsinchu 71%

Hong Kong: 52% Mexico: 52% Philippines: 35% South Korea: 62%

Availability and quality of drinking water

Hsinchu 64%

Hong Kong: 66% Mexico: 57% Philippines: 54% South Korea: 72%

Cleanliness and tidiness

Hsinchu 69%

Hong Kong: 54% Mexico: 45% Philippines: 38% South Korea: 63%

Noise and Light pollution

Hsinchu 28%

Hong Kong: 66% Mexico: 48% Philippines: 60%

Water Pollution

Hsinchu 43%

Hong Kong: 53% Mexico: 55% Philippines: 74% South Korea: 38%

Source: Numbeo

Hsinchu

Thursday, August 27, 2026 at 9:00 AM

PM2,5 6.7 (Good)

particulate matter (PM2.5) dust

PM10 7.9 (Good)

particulate matter (PM10) suspended dust

O3 62 (Good)

ozone (O3)

NO2 20 (Good)

nitrogen dioxide (NO2)

SO2 20 (Good)

sulfur dioxide (SO2)

CO 263 (Good)

carbon monoxide (CO)

Hsinchu

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	16	7.7	5.8	11	6.5	9.7	15	13
pm10	19	8.7	6.7	11	6.7	10	17	14
o3	65	40	47	63	49	22	29	65
no2	35	37	31	37	44	57	53	32
so2	40	30	26	27	20	23	48	26
co	396	378	325	386	496	692	608	280

Hsinchu

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
o3:ppm	0.03	0.04	0.04	0.03	0.03	0.03	0.04	0.05	0.03	0.03	0.02	0.02	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.03
so2:ppm	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
co:ppm	0.31	0.37	0.39	0.39	0.47	0.39	0.28	0.32	0.26	0.27	0.24	0.29	0.35	0.4	0.45	0.46	0.48	0.45	0.42	0.39	0.35	0.29	0.36	0.35	0.38	0.48	0.46	0.39	0.42	0.46
no2:ppm	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.01	0.02	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.01	0.02
pm25	15	18	18	18	19	14	15	19	14	11	9.8	7.8	15	16	22	23	25	28	16	19	16	16	20	10	14	21	24	24	22	19
pm10	29	32	34	33	33	27	33	36	26	22	24	25	38	40	44	40	45	52	32	40	31	35	37	25	38	47	57	50	46	50

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

🌦️ Weather · 16-day Forecast — Hsinchu

16-day weather forecast for Hsinchu: today around 28°C (rain), lows near 26°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Hsinchu

The UV index in Hsinchu today is 6.8 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Hsinchu — compare nearby locations.

Taipei 11 µg/m³
Keelung 11 µg/m³
Kaohsiung City 12 µg/m³
Taichung City 11 µg/m³
Tainan 12 µg/m³
Taoyuan 8 µg/m³
Hualian 8 µg/m³
Taitung City 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Hsinchu today?

The current average PM2.5 across Hsinchu is about 7 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Hsinchu?

Right now PM2.5 in Hsinchu averages about 7 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Hsinchu?

Over the past week, the highest daily PM2.5 in Hsinchu was recorded on Thursday, August 20 (about 16 µg/m³).

What is the UV index in Hsinchu today?

The UV index in Hsinchu today is 6.8 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Hsinchu?

A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

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.