Air Quality in Caerphilly, United Kingdom

Overcast
7.5°C · 93.8% humidity
7.5°
Feels 3.4°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 12am
14
14
35 3am
28
24
20 6am
18
16
15 9am
14
14
13 12pm
13
15
14 3pm
14
14
14 6pm
14
14
14 9pm
14
14
Station readings 4h ago
AQI 15
PM2.5 3.6 µg/m³ · 4h ago
CAMS model adj -13
25
27
27
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

18h · 1 stn

Caerphilly'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.

93.8%
Humidity
30.2 km/h
Wind WNW
1021.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
35
8.49 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Caerphilly?

Temperature & Precipitation

PM2.5 Trend

18h · 1 station
PM2.58.49 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
8.49
Median
7.77
Average
3.8
Low
9.1
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -2.6

What is the 7-day forecast for Caerphilly?

06-09
18.2° 7.5°
0.62 mm
06-10
13.2° 11.3°
12.44 mm
06-11
23.1° 13.3°
1.31 mm
06-12
18.7° 9.6°
06-13
19.2° 10.4°
0.19 mm
06-14
20.9° 11.1°
0.25 mm
06-15
17.9° 11.8°
0.75 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Caerphilly?

21
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 5.0 µg/m³
58
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 15.4 µg/m³
–
Nantgarw Road
0.9 km
–
Caerphilly Islwyn Road Wattsville
6.7 km
–
Rhondda Pontypridd Gelliwastad Rd
9.1 km
5
Cardiff Newport Road, United Kingdom
10.3 km PM2.5: 1.2 µg/m³
27
Cardiff Newport Road, United Kingdom
10.3 km PM2.5: 6.5 µg/m³
29
Cardiff Centre, United Kingdom
10.7 km PM2.5: 7.0 µg/m³
–
Hafod-yr-ynys Hill Roadside
13.1 km
–
Rhondda Mountain Ash
16.5 km

What cities are near Caerphilly?

27 Risca 38 Pontypridd 32 Gelligaer 31 Blackwood 38 Cardiff 17 Newport 38 Penarth 21 Cwmbran 33 Tonypandy 20 Pontypool
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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 2026-06-09T02:10 UTC.