Air Quality in Penarth, United Kingdom

Windy
14.7°C · 52.2% humidity
14.7°
Feels 14.7°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
46 1am
46
46
64 4am
59
55
53 7am
51
49
48 10am
48
47
47 1pm
47
46
46 4pm
46
46
46 7pm
46
46
46 10pm
46
46
Station readings
34
59
87
34
CAMS model adj +21
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

15h · 1 stn

Penarth'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. Current PM2.5 concentration in Penarth is 1.2× the WHO 24-hour guideline of 15 µg/m³.

52.2%
Humidity
77.0 km/h
Wind NE
1014.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.4 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Penarth?

Temperature & Precipitation

PM2.5 Trend

15h · 1 station
PM2.518.4 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
18.4
Median
16.62
Average
7.7
Low
29.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -12.1

What is the 7-day forecast for Penarth?

07-22
22.0° 14.7°
4.44 mm
07-23
20.3° 13.7°
0.81 mm
07-24
16.8° 14.5°
10.44 mm
07-25
21.8° 9.9°
0.19 mm
07-26
23.5° 10.6°
2.12 mm
07-27
20.5° 14.9°
2.56 mm
07-28
24.3° 15.2°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Penarth?

124
Cardiff Centre, United Kingdom
4.8 km PM2.5: 44.8 µg/m³
19
Cardiff Newport Road, United Kingdom
6.0 km PM2.5: 4.6 µg/m³
20
Cardiff Newport Road, United Kingdom
6.0 km PM2.5: 4.8 µg/m³
38
Caerphilly White Street, United Kingdom
15.4 km PM2.5: 9.1 µg/m³
56
Caerphilly White Street, United Kingdom
15.4 km PM2.5: 14.5 µg/m³
–
Nantgarw Road
15.7 km
–
Caerphilly Islwyn Road Wattsville
19.8 km
–
Rhondda Pontypridd Gelliwastad Rd
21.8 km
17
Newport, United Kingdom
22.6 km PM2.5: 4.1 µg/m³

What cities are near Penarth?

63 Cardiff 65 Barry 63 Caerphilly 65 Weston-super-Mare 56 Risca 35 Newport 65 Pontypridd 52 Clevedon 32 Burnham-on-Sea 59 Blackwood
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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 2026-07-22T03:15 UTC.