Air Quality in La Unión, Colombia

Overcast
14.0°C · 97.9% humidity
14.0°
Feels 14.0°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
9 6pm
14
16
14 9pm
8
12
15 12am
17
19
20 3am
1
22
22 6am
22
2
0 9am
0
0
0 12pm
0
0
0 3pm
0
3
Station readings
9
14
16
12
CAMS model adj -31
34
34
66
66
54
54
54
54
54
54
34
54
54
54
34
27
25
25
25
25
27
27
27
34
AD 728×90

Air Quality Index Trend

48h · 13 stn

La Unión's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

97.9%
Humidity
7.4 km/h
Wind W
1014.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
14
3.44 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for La Unión?

Temperature & Precipitation

PM2.5 Trend

48h · 13 stations
PM2.53.44 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (13 stations within 25 km)
3.44
Median
3.36
Average
1.0
Low
6.0
High
PM2.5 µg/m³ · Model: 12.5 · Bias: +9.1

What is the 7-day forecast for La Unión?

07-22
16.6° 12.5°
5.56 mm
07-23
22.8° 12.4°
6.88 mm
07-24
21.8° 12.1°
4.5 mm
07-25
23.1° 13.0°
3.62 mm
07-26
23.3° 13.7°
2.06 mm
07-27
23.3° 12.6°
3.81 mm
07-28
24.2° 12.8°
1.94 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near La Unión?

17
Waira S19 Cl17c Sauces 63544c
9.0 km 26.0°C 64.0% RH PM2.5: 4.0 µg/m³
4
Waira S17 Ilogico Cantarrana 67eda4
9.0 km 0.0°C 0.0% RH PM2.5: 1.0 µg/m³
17
Waira S29 Jar Colom Cl13a 4b96ab
9.0 km 23.0°C 60.0% RH PM2.5: 4.0 µg/m³
12
Waira S03 SueñosdelTambo f0ce40
9.1 km 0.0°C 0.0% RH PM2.5: 3.0 µg/m³
8
Waira Aldea02 calle8 15a-17 6d4d2c
9.2 km 18.0°C 86.0% RH PM2.5: 2.0 µg/m³
12
Waira S05 AMSTERDAM TAMBO 6d5960
9.2 km 25.0°C 51.0% RH PM2.5: 3.0 µg/m³
–
Waira S22 Crr13 Mob 6d594c
9.3 km 0.0°C 0.0% RH PM2.5: 0.0 µg/m³
12
Waira Aldea04 Calle7 3fff23
9.3 km 20.0°C 70.0% RH PM2.5: 3.0 µg/m³
42
Waira S20 Jorge Guayacane 16cfa2
9.3 km 0.0°C 0.0% RH PM2.5: 10.0 µg/m³
12
Waira S23 Manzanares Cll27 6350fc
9.5 km 0.0°C 0.0% RH PM2.5: 3.0 µg/m³

What cities are near La Unión?

13 La Ceja 14 Carmen de Viboral 18 Retiro 18 Rionegro 14 Santuario 15 Abejorral 18 Marinilla 37 Sonsón 38 Caldas 48 Envigado
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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 2026-07-22T02:59 UTC.