What is the air quality in Caerphilly today?

The current Air Quality Index (AQI) in Caerphilly is 15 (Good). PM2.5 concentration is 3.6 µg/m³.

What is the temperature in Caerphilly right now?

The current temperature in Caerphilly is 13.6°C (feels like 13.6°C). Humidity is 55.4% and wind speed is 20.8 km/h.

Is it safe to go outside in Caerphilly?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Caerphilly, United Kingdom

Partly Cloudy

13.6°C · 55.4% humidity

13.6°

Feels 13.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

7 12pm

15 3pm

—

— 6pm

—

— 9pm

—

— 12am

—

— 3am

—

— 6am

—

— 9am

—

Station readings

Air Quality Index Trend

29h · 2 stn

View full history →

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.

55.4%

Humidity

20.8 km/h

Wind NNW

1020.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Caerphilly?

Temperature & Precipitation

PM2.5 Trend

29h · 2 stations

PM2.53.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

3.6

Median

4.38

Average

1.4

Low

8.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: +2.2

What is the 7-day forecast for Caerphilly?

10-21

13.6° 4.8°

10-22

16.4° 8.4°

0.56 mm

10-23

12.4° 7.8°

2.87 mm

10-24

13.1° 8.0°

10-25

13.4° 7.1°

12.87 mm

10-26

10.4° 7.3°

2.31 mm

10-27

16.0° 4.4°

11.69 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Caerphilly?

Caerphilly White Street, United Kingdom

0.1 km PM2.5: 3.6 µg/m³

Caerphilly Islwyn Road Wattsville

6.7 km

–

Rhondda Pontypridd Gelliwastad Rd

9.1 km

Rhondda Glyncoch Garth Avenue, United Kingdom

9.4 km PM2.5: 1.7 µg/m³

Rhondda Glyncoch Garth Avenue, United Kingdom

9.4 km PM2.5: 4.1 µg/m³

Rhondda Glyncoch Garth Avenue, United Kingdom

9.4 km PM2.5: 3.6 µg/m³

Cardiff Newport Road, United Kingdom

10.3 km PM2.5: 1.4 µg/m³

Cardiff Newport Road, United Kingdom

10.3 km PM2.5: 8.2 µg/m³

Cardiff Centre, United Kingdom

10.7 km PM2.5: 8.2 µg/m³

What cities are near Caerphilly?

17 Risca 13 Pontypridd 15 Gelligaer 15 Blackwood 32 Cardiff 12 Newport 26 Penarth 14 Cwmbran 18 Tonypandy 14 Pontypool

Get AQI alerts for Caerphilly

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T14:04 UTC.