Air Quality in Chiayi City, Taiwan

Drizzle
28.4°C · 78.9% humidity
28.4°
Feels 34.5°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
54 4am
54
54
46 7am
48
50
51 10am
52
52
53 1pm
53
53
54 4pm
66
66
66 7pm
66
66
66 10pm
66
66
66 1am
66
66
AD 728×90

Air Quality Index Trend

45h · 9 stn

Chiayi City's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

78.9%
Humidity
11.8 km/h
Wind WSW
1000.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.09 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Chiayi City?

Temperature & Precipitation

PM2.5 Trend

45h · 9 stations
PM2.511.09 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
11.09
Median
11.53
Average
6.7
Low
16.9
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +5.3

What is the 7-day forecast for Chiayi City?

07-21
31.0° 27.5°
22.44 mm
07-22
32.7° 26.0°
11.25 mm
07-23
29.5° 26.4°
9.38 mm
07-24
29.0° 26.9°
1.63 mm
07-25
31.9° 23.7°
17.94 mm
07-26
34.8° 25.9°
7.31 mm
07-27
30.7° 24.5°
18.75 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Chiayi City?

20
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 4.8 µg/m³
54
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 13.5 µg/m³
33
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 7.9 µg/m³
46
Xingang, Taiwan (新港)
13.5 km PM2.5: 11.0 µg/m³
20
Xingang, Taiwan (新港)
13.5 km PM2.5: 4.8 µg/m³
8
Puzi, Taiwan (朴子)
20.6 km PM2.5: 1.9 µg/m³
46
Xinying, Taiwan (新營)
23.5 km PM2.5: 11.0 µg/m³
70
Xinying, Taiwan (新營)
23.5 km PM2.5: 21.1 µg/m³

What cities are near Chiayi City?

45 Taibao 61 Xingang 58 Beigang 42 Xinying 33 Douliu 36 Citong 28 Budai 43 Xiluo 32 Linnei 27 Zhushan
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:28 UTC.