Air Quality in Chiayi City, Taiwan

Drizzle
34.7°C · 42.1% humidity
34.7°
Feels 38.3°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 11am
54
66
60 2pm
62
63
64 5pm
64
65
65 8pm
82
83
83 11pm
83
83
83 2am
83
83
83 5am
66
83
66 8am
83
83
AD 728×90

Air Quality Index Trend

48h · 7 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. Current PM2.5 concentration in Chiayi City is 1.1× the WHO 24-hour guideline of 15 µg/m³.

42.1%
Humidity
80.1 km/h
Wind SSW
1004.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.37 µg/m³
PM10
44
48.05 µg/m³
050100150200300500

What is the weather forecast for Chiayi City?

Temperature & Precipitation

PM2.5 Trend

48h · 7 stations
PM2.516.37 µg/m³ ×1.1 WHO
Moderate
PM1048.05 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (6 stations within 25 km)
16.37
Median
15.58
Average
12.0
Low
19.2
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +6.8

What is the 7-day forecast for Chiayi City?

05-30
34.7° 24.1°
5.25 mm
05-31
29.0° 23.9°
4.25 mm
06-01
33.1° 24.3°
1.75 mm
06-02
29.4° 26.4°
3.19 mm
06-03
33.3° 25.9°
0.88 mm
06-04
29.2° 23.8°
40.56 mm
06-05
29.2° 25.2°
4.56 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Chiayi City?

64
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 18.3 µg/m³
46
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 11.0 µg/m³
59
Chiayi, Taiwan (嘉義)
2.0 km PM2.5: 15.9 µg/m³
53
Xingang, Taiwan (新港)
13.5 km PM2.5: 13.1 µg/m³
18
Xingang, Taiwan (新港)
13.5 km PM2.5: 4.3 µg/m³
38
Puzi, Taiwan (朴子)
20.6 km PM2.5: 9.1 µg/m³
51
Xinying, Taiwan (新營)
23.5 km PM2.5: 12.1 µg/m³
27
Xinying, Taiwan (新營)
23.5 km PM2.5: 6.5 µg/m³

What cities are near Chiayi City?

58 Taibao 61 Xingang 62 Beigang 58 Xinying 72 Douliu 73 Citong 57 Budai 71 Xiluo 70 Linnei 68 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 2026-05-30T06:55 UTC.