Air Quality in Caerphilly, United Kingdom

Rain
17.4°C · 63.6% humidity
17.4°
Feels 17.4°
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
41 7am
41
41
9 10am
16
21
25 1pm
27
29
31 4pm
32
32
33 7pm
33
33
34 10pm
41
41
41 1am
41
41
41 4am
41
41
Station readings
38
38
25
CAMS model adj +7
34
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34
34
34
34
34
AD 728×90

Air Quality Index Trend

35h · 4 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.

63.6%
Humidity
92.2 km/h
Wind W
1010.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
9
2.2 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Caerphilly?

Temperature & Precipitation

PM2.5 Trend

35h · 4 stations
PM2.52.2 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
2.2
Median
4.24
Average
2.2
Low
7.2
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +4.8

What is the 7-day forecast for Caerphilly?

08-03
31.9° 15.3°
4.63 mm
08-04
22.4° 12.5°
08-05
22.3° 13.2°
08-06
20.8° 13.9°
1.69 mm
08-07
23.8° 13.2°
2.5 mm
08-08
18.5° 12.3°
0.62 mm
08-09
18.7° 8.7°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Caerphilly?

65
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 18.8 µg/m³
14
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 3.4 µg/m³
14
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 3.4 µg/m³
25
Caerphilly White Street, United Kingdom
0.1 km PM2.5: 6.0 µg/m³
–
Nantgarw Road
0.9 km
–
Rhondda Pontypridd Gelliwastad Rd
9.1 km
55
Rhondda Glyncoch Garth Avenue, United Kingdom
9.4 km PM2.5: 14.0 µg/m³
61
Rhondda Glyncoch Garth Avenue, United Kingdom
9.4 km PM2.5: 16.9 µg/m³
21
Rhondda Glyncoch Garth Avenue, United Kingdom
9.4 km PM2.5: 5.0 µg/m³
34
Cardiff Newport Road, United Kingdom
10.3 km PM2.5: 8.2 µg/m³

What cities are near Caerphilly?

15 Risca 10 Pontypridd 12 Gelligaer 13 Blackwood 30 Cardiff 10 Newport 28 Penarth 12 Cwmbran 16 Tonypandy 12 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 2026-08-08T09:10 UTC.