Air Quality in Merthyr Tydfil, United Kingdom
Overcast
9.1°C · 91.5% humidity
9.1°
Feels 5.5°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Merthyr Tydfil's air quality — share it
AQI Forecast
Calibrated
15
1am
15
13
37
4am
30
25
22
7am
19
18
16
10am
15
15
14
1pm
16
16
15
4pm
15
15
15
7pm
15
15
15
10pm
15
15
Station readings
5h ago
AQI 15
PM2.5 3.6 µg/m³ · 5h ago
CAMS model
adj -12
27
27
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
18h · 1 stnMerthyr Tydfil's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.
91.5%
Humidity
28.9 km/h
Wind WSW
1021.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.85 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Merthyr Tydfil?
Temperature & Precipitation
PM2.5 Trend
18h · 1 stationPM2.58.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Merthyr Tydfil?
06-09
16.9° 5.6°
1.19 mm
06-10
12.1° 9.9°
7.69 mm
06-11
23.0° 11.4°
7.37 mm
06-12
17.6° 7.7°
06-13
17.3° 9.1°
0.44 mm
06-14
19.4° 9.3°
0.25 mm
06-15
15.8° 9.6°
2.0 mm
Both models agree
Avg diff: 3.5°C
Where are air quality stations near Merthyr Tydfil?
–
Rhondda Mountain Ash
–
Rhondda Pontypridd Gelliwastad Rd
–
Hafod-yr-ynys Hill Roadside
–
Caerphilly Islwyn Road Wattsville
–
Nantgarw Road
21
Caerphilly White Street, United Kingdom
42
Caerphilly White Street, United Kingdom
What cities are near Merthyr Tydfil?
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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 2026-06-09T03:04 UTC.