What is the current level of PM10 in Cardiff, Wales?

Cardiff, Wales currently has a PM10 concentration of 25.916 μg/m3.

What is the current level of sulfur dioxide (SO2) in Cardiff, Wales?

The current sulfur dioxide (SO2) concentration in Cardiff, Wales is 0.661 ppb.

What is the current level of ozone (O3) in Cardiff, Wales?

Cardiff, Wales currently has an ozone (O3) concentration of 24.375 ppm.

What is the current level of nitrogen dioxide (NO2) in Cardiff, Wales?

The current level of nitrogen dioxide (NO2) in Cardiff, Wales is 9.458 ppb.

Current air quality index in Cardiff, Wales today

Q: What is the PM2.5 concentration in Cardiff, Wales right now?

Cardiff, Wales currently has a PM2.5 concentration of 5.804 μg/m3.

Stay updated with real-time air quality in Cardiff, Wales featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Cardiff, Wales

Last updated: ... (Local time)

Common air pollutants in Cardiff, Wales

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.92 μg/m³

155

255

425

605+

Ozone (O₃)

24.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.04 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Cardiff, Wales

Get Live Pollen Counts

Cardiff, Wales

Scroll To Air Quality Map

Track live Cardiff, Wales air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T12:00:00.000Z	27 \| good	4.692 \| good	20.082 \| good	26.603 \| good	0.768 \| good	24.655 \| good	0.037 \| good
2026-07-09T13:00:00.000Z	27 \| good	4.658 \| good	20.097 \| good	26.748 \| good	0.924 \| good	25.201 \| good	0.036 \| good
2026-07-09T14:00:00.000Z	31 \| good	4.656 \| good	20.103 \| good	33.997 \| good	0.772 \| good	23.583 \| good	0.036 \| good
2026-07-09T15:00:00.000Z	30 \| good	4.658 \| good	21.084 \| good	32 \| good	1.074 \| good	19.392 \| good	0.106 \| good
2026-07-09T16:00:00.000Z	47 \| good	7.085 \| good	10.26 \| good	51.381 \| good	0.35 \| good	2.308 \| good	0.133 \| good
2026-07-09T17:00:00.000Z	43 \| good	4.643 \| good	20.071 \| good	46.001 \| good	0.94 \| good	13.65 \| good	0.143 \| good
2026-07-09T18:00:00.000Z	39 \| good	4.637 \| good	20.074 \| good	42.087 \| good	0.845 \| good	8.95 \| good	0.128 \| good
2026-07-09T19:00:00.000Z	47 \| good	4.428 \| good	19.07 \| good	50.759 \| good	0.763 \| good	8.433 \| good	0.182 \| good
2026-07-09T20:00:00.000Z	45 \| good	4.445 \| good	19.067 \| good	49.355 \| good	0.763 \| good	8.96 \| good	0.153 \| good
2026-07-09T21:00:00.000Z	52 \| moderate	9.696 \| good	15.078 \| good	36.884 \| good	1.057 \| good	8.285 \| good	0.249 \| good
2026-07-09T22:00:00.000Z	47 \| good	4.431 \| good	19.058 \| good	51.281 \| good	0.75 \| good	12.195 \| good	0.036 \| good
2026-07-09T23:00:00.000Z	50 \| good	4.594 \| good	20.001 \| good	53.9 \| good	0.686 \| good	13.3 \| good	0.035 \| good
2026-07-10T00:00:00.000Z	38 \| good	4.599 \| good	19.964 \| good	40.838 \| good	0.769 \| good	10.679 \| good	0.104 \| good
2026-07-10T01:00:00.000Z	44 \| good	8.077 \| good	11.057 \| good	22.251 \| good	0.23 \| good	5.7 \| good	0.139 \| good
2026-07-10T02:00:00.000Z	37 \| good	4.607 \| good	21.004 \| good	40.402 \| good	0.691 \| good	13.672 \| good	0.103 \| good
2026-07-10T03:00:00.000Z	35 \| good	4.579 \| good	20.974 \| good	38.103 \| good	0.825 \| good	13.668 \| good	0.106 \| good
2026-07-10T04:00:00.000Z	27 \| good	4.583 \| good	20.982 \| good	25.436 \| good	0.679 \| good	7.93 \| good	0.118 \| good
2026-07-10T05:00:00.000Z	44 \| good	8.028 \| good	13.232 \| good	26.388 \| good	0.242 \| good	4.367 \| good	0.116 \| good
2026-07-10T06:00:00.000Z	28 \| good	4.862 \| good	21.981 \| good	30.213 \| good	0.678 \| good	20.462 \| good	0.137 \| good
2026-07-10T07:00:00.000Z	27 \| good	5.067 \| good	22.952 \| good	29.269 \| good	0.684 \| good	17.348 \| good	0.142 \| good
2026-07-10T08:00:00.000Z	27 \| good	5.249 \| good	23.901 \| good	25.895 \| good	0.771 \| good	18.903 \| good	0.125 \| good
2026-07-10T09:00:00.000Z	33 \| good	5.547 \| good	24.867 \| good	24.622 \| good	0.706 \| good	16.281 \| good	0.123 \| good
2026-07-10T10:00:00.000Z	49 \| good	8.766 \| good	12.884 \| good	48.605 \| good	0.38 \| good	3.658 \| good	0.14 \| good
2026-07-10T11:00:00.000Z	27 \| good	5.24 \| good	23.899 \| good	27.222 \| good	0.7 \| good	18.374 \| good	0.116 \| good
2026-07-10T12:00:00.000Z	28 \| good	5.24 \| good	23.868 \| good	29.669 \| good	0.923 \| good	20.461 \| good	0.111 \| good
2026-07-10T13:00:00.000Z	36 \| good	5.24 \| good	23.876 \| good	38.75 \| good	0.99 \| good	22.54 \| good	0.113 \| good
2026-07-10T14:00:00.000Z	39 \| good	5.059 \| good	22.922 \| good	42.321 \| good	0.912 \| good	24.622 \| good	0.117 \| good
2026-07-10T15:00:00.000Z	44 \| good	5.057 \| good	22.895 \| good	47.693 \| good	0.91 \| good	22.534 \| good	0.111 \| good
2026-07-10T16:00:00.000Z	51 \| moderate	5.043 \| good	22.893 \| good	54.912 \| good	0.762 \| good	28.805 \| good	0.108 \| good
2026-07-10T17:00:00.000Z	74 \| moderate	5.25 \| good	23.884 \| good	62.218 \| fine	0.762 \| good	22.549 \| good	0.124 \| good
2026-07-10T18:00:00.000Z	100 \| moderate	5.261 \| good	23.891 \| good	70.399 \| fine	0.609 \| good	24.112 \| good	0.141 \| good
2026-07-10T19:00:00.000Z	115 \| sensitive	5.559 \| good	24.859 \| good	74.753 \| moderate	0.681 \| good	24.639 \| good	0.146 \| good
2026-07-10T20:00:00.000Z	112 \| sensitive	5.546 \| good	24.883 \| good	74.314 \| moderate	0.845 \| good	24.635 \| good	0.181 \| good
2026-07-10T21:00:00.000Z	87 \| moderate	5.77 \| good	25.88 \| good	66.185 \| fine	0.61 \| good	24.116 \| good	0.156 \| good
2026-07-10T22:00:00.000Z	71 \| moderate	5.759 \| good	25.887 \| good	60.574 \| fine	0.6 \| good	20.981 \| good	0.167 \| good
2026-07-10T23:00:00.000Z	54 \| moderate	6.06 \| good	26.867 \| good	56.477 \| fine	0.604 \| good	19.421 \| good	0.146 \| good
2026-07-11T00:00:00.000Z	44 \| good	6.071 \| good	26.888 \| good	46.665 \| good	0.589 \| good	21.541 \| good	0.134 \| good
2026-07-11T01:00:00.000Z	39 \| good	6.27 \| good	27.858 \| good	42.167 \| good	0.585 \| good	21.613 \| good	0.125 \| good
2026-07-11T02:00:00.000Z	50 \| good	6.265 \| good	27.862 \| good	54.371 \| good	0.451 \| good	18.954 \| good	0.12 \| good
2026-07-11T03:00:00.000Z	51 \| moderate	6.266 \| good	27.861 \| good	54.68 \| good	0.519 \| good	16.308 \| good	0.12 \| good
2026-07-11T04:00:00.000Z	44 \| good	6.278 \| good	27.858 \| good	48.147 \| good	0.519 \| good	11.602 \| good	0.123 \| good
2026-07-11T05:00:00.000Z	40 \| good	6.28 \| good	27.886 \| good	42.82 \| good	0.449 \| good	13.66 \| good	0.045 \| good
2026-07-11T06:00:00.000Z	34 \| good	6.281 \| good	27.892 \| good	36.793 \| good	0.448 \| good	8.98 \| good	0.042 \| good
2026-07-11T07:00:00.000Z	37 \| good	6.279 \| good	27.887 \| good	39.623 \| good	0.447 \| good	10.002 \| good	0.043 \| good
2026-07-11T08:00:00.000Z	33 \| good	6.095 \| good	26.91 \| good	28.89 \| good	0.585 \| good	8.437 \| good	0.05 \| good
2026-07-11T09:00:00.000Z	33 \| good	5.8 \| good	25.917 \| good	31.255 \| good	0.588 \| good	7.906 \| good	0.047 \| good
2026-07-11T10:00:00.000Z	33 \| good	5.804 \| good	25.916 \| good	24.375 \| good	0.661 \| good	9.458 \| good	0.042 \| good
2026-07-11T11:00:00.000Z	33 \| good	5.804 \| good	25.916 \| good	24.375 \| good	0.661 \| good	9.458 \| good	0.042 \| good
2026-07-11T12:00:00.000Z	44 \| good	5.137 \| good	8.925 \| good	48.448 \| good	0.123 \| good	1.343 \| good	0.116 \| good
2026-07-11T13:00:00.000Z	46 \| good	5.095 \| good	8.52 \| good	49.969 \| good	0.112 \| good	1.29 \| good	0.114 \| good
2026-07-11T14:00:00.000Z	47 \| good	5.008 \| good	8.281 \| good	50.726 \| good	0.103 \| good	1.235 \| good	0.112 \| good
2026-07-11T15:00:00.000Z	47 \| good	4.952 \| good	8.413 \| good	51.356 \| good	0.1 \| good	1.211 \| good	0.11 \| good
2026-07-11T16:00:00.000Z	48 \| good	4.96 \| good	8.562 \| good	51.65 \| good	0.1 \| good	1.248 \| good	0.109 \| good
2026-07-11T17:00:00.000Z	47 \| good	4.924 \| good	8.554 \| good	51.333 \| good	0.101 \| good	1.338 \| good	0.108 \| good
2026-07-11T18:00:00.000Z	46 \| good	4.981 \| good	8.246 \| good	50.214 \| good	0.105 \| good	1.473 \| good	0.105 \| good
2026-07-11T19:00:00.000Z	44 \| good	5.104 \| good	8.695 \| good	47.935 \| good	0.121 \| good	1.561 \| good	0.101 \| good
2026-07-11T20:00:00.000Z	42 \| good	4.839 \| good	8.684 \| good	44.889 \| good	0.172 \| good	2.138 \| good	0.101 \| good
2026-07-11T21:00:00.000Z	39 \| good	4.421 \| good	7.66 \| good	41.936 \| good	0.157 \| good	2.374 \| good	0.097 \| good
2026-07-11T22:00:00.000Z	34 \| good	4.113 \| good	7.535 \| good	36.928 \| good	0.148 \| good	2.469 \| good	0.094 \| good
2026-07-11T23:00:00.000Z	30 \| good	3.726 \| good	6.921 \| good	32.128 \| good	0.142 \| good	2.472 \| good	0.092 \| good
2026-07-12T00:00:00.000Z	29 \| good	3.546 \| good	6.922 \| good	30.848 \| good	0.132 \| good	2.364 \| good	0.091 \| good
2026-07-12T01:00:00.000Z	28 \| good	3.637 \| good	7.089 \| good	29.719 \| good	0.121 \| good	2.244 \| good	0.089 \| good
2026-07-12T02:00:00.000Z	26 \| good	4.018 \| good	7.314 \| good	28.341 \| good	0.107 \| good	2.098 \| good	0.088 \| good
2026-07-12T03:00:00.000Z	26 \| good	4.359 \| good	7.857 \| good	27.746 \| good	0.088 \| good	1.932 \| good	0.087 \| good
2026-07-12T04:00:00.000Z	27 \| good	4.52 \| good	8.386 \| good	27.232 \| good	0.078 \| good	1.837 \| good	0.086 \| good
2026-07-12T05:00:00.000Z	27 \| good	4.584 \| good	9.22 \| good	26.437 \| good	0.068 \| good	1.618 \| good	0.085 \| good
2026-07-12T06:00:00.000Z	27 \| good	4.747 \| good	10.074 \| good	26.096 \| good	0.062 \| good	1.256 \| good	0.086 \| good
2026-07-12T07:00:00.000Z	27 \| good	4.89 \| good	10.572 \| good	27.531 \| good	0.065 \| good	1.033 \| good	0.09 \| good
2026-07-12T08:00:00.000Z	28 \| good	5.07 \| good	10.791 \| good	29.653 \| good	0.071 \| good	0.865 \| good	0.092 \| good
2026-07-12T09:00:00.000Z	30 \| good	5.232 \| good	10.452 \| good	32.068 \| good	0.075 \| good	0.808 \| good	0.093 \| good
2026-07-12T10:00:00.000Z	33 \| good	5.214 \| good	10.045 \| good	35.536 \| good	0.088 \| good	0.836 \| good	0.096 \| good
2026-07-12T11:00:00.000Z	36 \| good	5.183 \| good	10.527 \| good	38.525 \| good	0.103 \| good	0.858 \| good	0.098 \| good
2026-07-12T12:00:00.000Z	39 \| good	5.468 \| good	11.009 \| good	42.244 \| good	0.112 \| good	0.867 \| good	0.099 \| good
2026-07-12T13:00:00.000Z	44 \| good	5.747 \| good	11.237 \| good	47.583 \| good	0.12 \| good	0.949 \| good	0.101 \| good
2026-07-12T14:00:00.000Z	46 \| good	6.056 \| good	11.637 \| good	50.189 \| good	0.113 \| good	0.994 \| good	0.101 \| good
2026-07-12T15:00:00.000Z	47 \| good	6.217 \| good	11.995 \| good	51.479 \| good	0.11 \| good	1.044 \| good	0.1 \| good
2026-07-12T16:00:00.000Z	48 \| good	6.059 \| good	12.35 \| good	51.988 \| good	0.105 \| good	1.064 \| good	0.1 \| good
2026-07-12T17:00:00.000Z	47 \| good	5.967 \| good	12.524 \| good	50.895 \| good	0.103 \| good	1.178 \| good	0.1 \| good
2026-07-12T18:00:00.000Z	44 \| good	5.922 \| good	12.228 \| good	47.576 \| good	0.101 \| good	1.266 \| good	0.099 \| good
2026-07-12T19:00:00.000Z	42 \| good	5.756 \| good	12.264 \| good	45.234 \| good	0.103 \| good	1.366 \| good	0.095 \| good
2026-07-12T20:00:00.000Z	40 \| good	5.404 \| good	12.042 \| good	42.75 \| good	0.107 \| good	1.551 \| good	0.093 \| good
2026-07-12T21:00:00.000Z	36 \| good	5.348 \| good	12.779 \| good	39.214 \| good	0.116 \| good	1.738 \| good	0.092 \| good
2026-07-12T22:00:00.000Z	33 \| good	5.217 \| good	13.072 \| good	35.755 \| good	0.121 \| good	1.782 \| good	0.09 \| good
2026-07-12T23:00:00.000Z	31 \| good	5.042 \| good	12.805 \| good	34.026 \| good	0.124 \| good	1.696 \| good	0.089 \| good
2026-07-13T00:00:00.000Z	31 \| good	4.906 \| good	12.486 \| good	33.345 \| good	0.132 \| good	1.706 \| good	0.089 \| good
2026-07-13T01:00:00.000Z	31 \| good	4.817 \| good	12.573 \| good	32.646 \| good	0.137 \| good	1.661 \| good	0.087 \| good
2026-07-13T02:00:00.000Z	31 \| good	4.779 \| good	12.654 \| good	32.835 \| good	0.136 \| good	1.573 \| good	0.086 \| good
2026-07-13T03:00:00.000Z	31 \| good	4.77 \| good	12.772 \| good	33.141 \| good	0.129 \| good	1.49 \| good	0.086 \| good
2026-07-13T04:00:00.000Z	31 \| good	4.82 \| good	12.883 \| good	32.837 \| good	0.127 \| good	1.487 \| good	0.086 \| good
2026-07-13T05:00:00.000Z	31 \| good	4.93 \| good	13.008 \| good	32.544 \| good	0.125 \| good	1.565 \| good	0.086 \| good
2026-07-13T06:00:00.000Z	30 \| good	5.013 \| good	13.12 \| good	31.738 \| good	0.125 \| good	1.736 \| good	0.086 \| good
2026-07-13T07:00:00.000Z	29 \| good	5.08 \| good	13.213 \| good	31.058 \| good	0.136 \| good	1.927 \| good	0.09 \| good
2026-07-13T08:00:00.000Z	30 \| good	5.096 \| good	12.835 \| good	31.598 \| good	0.14 \| good	1.879 \| good	0.091 \| good
2026-07-13T09:00:00.000Z	31 \| good	5.137 \| good	12.311 \| good	32.676 \| good	0.141 \| good	1.852 \| good	0.091 \| good
2026-07-13T10:00:00.000Z	32 \| good	5.091 \| good	11.96 \| good	35.045 \| good	0.138 \| good	1.609 \| good	0.092 \| good
2026-07-13T11:00:00.000Z	34 \| good	4.909 \| good	11.678 \| good	37.316 \| good	0.136 \| good	1.461 \| good	0.093 \| good

Cardiff

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Cardiff, Wales

0.04ppm

How accurate is Wales, UK air quality data?

The air quality data for Wales, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

Air quality levels in UK

Check live rankings of places in the UK affected by air pollution.

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Check live rankings of places in the UK with the cleanest air.

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Frequently asked questions

How frequently does the air quality data for Cardiff, Wales get updated?

Air quality updates for Cardiff, Wales are available every hour.

What time in the past 24 hours saw the poorest air quality in Cardiff, Wales?

Cardiff, Wales experienced its worst air quality at 07:00:00, 2026-07-10.

When was air quality in Cardiff, Wales the best over the past 24 hours?

The best air quality in Cardiff, Wales was observed at 11:00:00 on 2026-07-10.

What is the air quality in Cardiff, Wales right now?

The air quality in Cardiff, Wales right now is Good, with an AQI of 33.

What pollutant is most frequently found in Cardiff, Wales?

In Cardiff, Wales, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Cardiff, Wales is poor?

When air quality in Cardiff, Wales is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Cardiff, Wales right now?

Cardiff, Wales currently has a PM_2.5 concentration of 5.804 μg/m³.

What is the current level of PM₁₀ in Cardiff, Wales?

Cardiff, Wales currently has a PM₁₀ concentration of 25.916 μg/m³.

What is the current level of carbon monoxide (CO) in Cardiff, Wales?

The current carbon monoxide (CO) level in Cardiff, Wales is 0.042 ppm.

What is the current level of sulfur dioxide (SO₂) in Cardiff, Wales?

The current sulfur dioxide (SO₂) concentration in Cardiff, Wales is 0.661 ppb.

What is the current level of ozone (O₃) in Cardiff, Wales?

Cardiff, Wales currently has an ozone (O₃) concentration of 24.375 ppm.

What is the current level of nitrogen dioxide (NO₂) in Cardiff, Wales?

The current level of nitrogen dioxide (NO₂) in Cardiff, Wales is 9.458 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T12:00:00.000Z	27 \| good	4.692 \| good	20.082 \| good	26.603 \| good	0.768 \| good	24.655 \| good	0.037 \| good
2026-07-09T13:00:00.000Z	27 \| good	4.658 \| good	20.097 \| good	26.748 \| good	0.924 \| good	25.201 \| good	0.036 \| good
2026-07-09T14:00:00.000Z	31 \| good	4.656 \| good	20.103 \| good	33.997 \| good	0.772 \| good	23.583 \| good	0.036 \| good
2026-07-09T15:00:00.000Z	30 \| good	4.658 \| good	21.084 \| good	32 \| good	1.074 \| good	19.392 \| good	0.106 \| good
2026-07-09T16:00:00.000Z	47 \| good	7.085 \| good	10.26 \| good	51.381 \| good	0.35 \| good	2.308 \| good	0.133 \| good
2026-07-09T17:00:00.000Z	43 \| good	4.643 \| good	20.071 \| good	46.001 \| good	0.94 \| good	13.65 \| good	0.143 \| good
2026-07-09T18:00:00.000Z	39 \| good	4.637 \| good	20.074 \| good	42.087 \| good	0.845 \| good	8.95 \| good	0.128 \| good
2026-07-09T19:00:00.000Z	47 \| good	4.428 \| good	19.07 \| good	50.759 \| good	0.763 \| good	8.433 \| good	0.182 \| good
2026-07-09T20:00:00.000Z	45 \| good	4.445 \| good	19.067 \| good	49.355 \| good	0.763 \| good	8.96 \| good	0.153 \| good
2026-07-09T21:00:00.000Z	52 \| moderate	9.696 \| good	15.078 \| good	36.884 \| good	1.057 \| good	8.285 \| good	0.249 \| good
2026-07-09T22:00:00.000Z	47 \| good	4.431 \| good	19.058 \| good	51.281 \| good	0.75 \| good	12.195 \| good	0.036 \| good
2026-07-09T23:00:00.000Z	50 \| good	4.594 \| good	20.001 \| good	53.9 \| good	0.686 \| good	13.3 \| good	0.035 \| good
2026-07-10T00:00:00.000Z	38 \| good	4.599 \| good	19.964 \| good	40.838 \| good	0.769 \| good	10.679 \| good	0.104 \| good
2026-07-10T01:00:00.000Z	44 \| good	8.077 \| good	11.057 \| good	22.251 \| good	0.23 \| good	5.7 \| good	0.139 \| good
2026-07-10T02:00:00.000Z	37 \| good	4.607 \| good	21.004 \| good	40.402 \| good	0.691 \| good	13.672 \| good	0.103 \| good
2026-07-10T03:00:00.000Z	35 \| good	4.579 \| good	20.974 \| good	38.103 \| good	0.825 \| good	13.668 \| good	0.106 \| good
2026-07-10T04:00:00.000Z	27 \| good	4.583 \| good	20.982 \| good	25.436 \| good	0.679 \| good	7.93 \| good	0.118 \| good
2026-07-10T05:00:00.000Z	44 \| good	8.028 \| good	13.232 \| good	26.388 \| good	0.242 \| good	4.367 \| good	0.116 \| good
2026-07-10T06:00:00.000Z	28 \| good	4.862 \| good	21.981 \| good	30.213 \| good	0.678 \| good	20.462 \| good	0.137 \| good
2026-07-10T07:00:00.000Z	27 \| good	5.067 \| good	22.952 \| good	29.269 \| good	0.684 \| good	17.348 \| good	0.142 \| good
2026-07-10T08:00:00.000Z	27 \| good	5.249 \| good	23.901 \| good	25.895 \| good	0.771 \| good	18.903 \| good	0.125 \| good
2026-07-10T09:00:00.000Z	33 \| good	5.547 \| good	24.867 \| good	24.622 \| good	0.706 \| good	16.281 \| good	0.123 \| good
2026-07-10T10:00:00.000Z	49 \| good	8.766 \| good	12.884 \| good	48.605 \| good	0.38 \| good	3.658 \| good	0.14 \| good
2026-07-10T11:00:00.000Z	27 \| good	5.24 \| good	23.899 \| good	27.222 \| good	0.7 \| good	18.374 \| good	0.116 \| good
2026-07-10T12:00:00.000Z	28 \| good	5.24 \| good	23.868 \| good	29.669 \| good	0.923 \| good	20.461 \| good	0.111 \| good
2026-07-10T13:00:00.000Z	36 \| good	5.24 \| good	23.876 \| good	38.75 \| good	0.99 \| good	22.54 \| good	0.113 \| good
2026-07-10T14:00:00.000Z	39 \| good	5.059 \| good	22.922 \| good	42.321 \| good	0.912 \| good	24.622 \| good	0.117 \| good
2026-07-10T15:00:00.000Z	44 \| good	5.057 \| good	22.895 \| good	47.693 \| good	0.91 \| good	22.534 \| good	0.111 \| good
2026-07-10T16:00:00.000Z	51 \| moderate	5.043 \| good	22.893 \| good	54.912 \| good	0.762 \| good	28.805 \| good	0.108 \| good
2026-07-10T17:00:00.000Z	74 \| moderate	5.25 \| good	23.884 \| good	62.218 \| fine	0.762 \| good	22.549 \| good	0.124 \| good
2026-07-10T18:00:00.000Z	100 \| moderate	5.261 \| good	23.891 \| good	70.399 \| fine	0.609 \| good	24.112 \| good	0.141 \| good
2026-07-10T19:00:00.000Z	115 \| sensitive	5.559 \| good	24.859 \| good	74.753 \| moderate	0.681 \| good	24.639 \| good	0.146 \| good
2026-07-10T20:00:00.000Z	112 \| sensitive	5.546 \| good	24.883 \| good	74.314 \| moderate	0.845 \| good	24.635 \| good	0.181 \| good
2026-07-10T21:00:00.000Z	87 \| moderate	5.77 \| good	25.88 \| good	66.185 \| fine	0.61 \| good	24.116 \| good	0.156 \| good
2026-07-10T22:00:00.000Z	71 \| moderate	5.759 \| good	25.887 \| good	60.574 \| fine	0.6 \| good	20.981 \| good	0.167 \| good
2026-07-10T23:00:00.000Z	54 \| moderate	6.06 \| good	26.867 \| good	56.477 \| fine	0.604 \| good	19.421 \| good	0.146 \| good
2026-07-11T00:00:00.000Z	44 \| good	6.071 \| good	26.888 \| good	46.665 \| good	0.589 \| good	21.541 \| good	0.134 \| good
2026-07-11T01:00:00.000Z	39 \| good	6.27 \| good	27.858 \| good	42.167 \| good	0.585 \| good	21.613 \| good	0.125 \| good
2026-07-11T02:00:00.000Z	50 \| good	6.265 \| good	27.862 \| good	54.371 \| good	0.451 \| good	18.954 \| good	0.12 \| good
2026-07-11T03:00:00.000Z	51 \| moderate	6.266 \| good	27.861 \| good	54.68 \| good	0.519 \| good	16.308 \| good	0.12 \| good
2026-07-11T04:00:00.000Z	44 \| good	6.278 \| good	27.858 \| good	48.147 \| good	0.519 \| good	11.602 \| good	0.123 \| good
2026-07-11T05:00:00.000Z	40 \| good	6.28 \| good	27.886 \| good	42.82 \| good	0.449 \| good	13.66 \| good	0.045 \| good
2026-07-11T06:00:00.000Z	34 \| good	6.281 \| good	27.892 \| good	36.793 \| good	0.448 \| good	8.98 \| good	0.042 \| good
2026-07-11T07:00:00.000Z	37 \| good	6.279 \| good	27.887 \| good	39.623 \| good	0.447 \| good	10.002 \| good	0.043 \| good
2026-07-11T08:00:00.000Z	33 \| good	6.095 \| good	26.91 \| good	28.89 \| good	0.585 \| good	8.437 \| good	0.05 \| good
2026-07-11T09:00:00.000Z	33 \| good	5.8 \| good	25.917 \| good	31.255 \| good	0.588 \| good	7.906 \| good	0.047 \| good
2026-07-11T10:00:00.000Z	33 \| good	5.804 \| good	25.916 \| good	24.375 \| good	0.661 \| good	9.458 \| good	0.042 \| good
2026-07-11T11:00:00.000Z	33 \| good	5.804 \| good	25.916 \| good	24.375 \| good	0.661 \| good	9.458 \| good	0.042 \| good
2026-07-11T12:00:00.000Z	44 \| good	5.137 \| good	8.925 \| good	48.448 \| good	0.123 \| good	1.343 \| good	0.116 \| good
2026-07-11T13:00:00.000Z	46 \| good	5.095 \| good	8.52 \| good	49.969 \| good	0.112 \| good	1.29 \| good	0.114 \| good
2026-07-11T14:00:00.000Z	47 \| good	5.008 \| good	8.281 \| good	50.726 \| good	0.103 \| good	1.235 \| good	0.112 \| good
2026-07-11T15:00:00.000Z	47 \| good	4.952 \| good	8.413 \| good	51.356 \| good	0.1 \| good	1.211 \| good	0.11 \| good
2026-07-11T16:00:00.000Z	48 \| good	4.96 \| good	8.562 \| good	51.65 \| good	0.1 \| good	1.248 \| good	0.109 \| good
2026-07-11T17:00:00.000Z	47 \| good	4.924 \| good	8.554 \| good	51.333 \| good	0.101 \| good	1.338 \| good	0.108 \| good
2026-07-11T18:00:00.000Z	46 \| good	4.981 \| good	8.246 \| good	50.214 \| good	0.105 \| good	1.473 \| good	0.105 \| good
2026-07-11T19:00:00.000Z	44 \| good	5.104 \| good	8.695 \| good	47.935 \| good	0.121 \| good	1.561 \| good	0.101 \| good
2026-07-11T20:00:00.000Z	42 \| good	4.839 \| good	8.684 \| good	44.889 \| good	0.172 \| good	2.138 \| good	0.101 \| good
2026-07-11T21:00:00.000Z	39 \| good	4.421 \| good	7.66 \| good	41.936 \| good	0.157 \| good	2.374 \| good	0.097 \| good
2026-07-11T22:00:00.000Z	34 \| good	4.113 \| good	7.535 \| good	36.928 \| good	0.148 \| good	2.469 \| good	0.094 \| good
2026-07-11T23:00:00.000Z	30 \| good	3.726 \| good	6.921 \| good	32.128 \| good	0.142 \| good	2.472 \| good	0.092 \| good
2026-07-12T00:00:00.000Z	29 \| good	3.546 \| good	6.922 \| good	30.848 \| good	0.132 \| good	2.364 \| good	0.091 \| good
2026-07-12T01:00:00.000Z	28 \| good	3.637 \| good	7.089 \| good	29.719 \| good	0.121 \| good	2.244 \| good	0.089 \| good
2026-07-12T02:00:00.000Z	26 \| good	4.018 \| good	7.314 \| good	28.341 \| good	0.107 \| good	2.098 \| good	0.088 \| good
2026-07-12T03:00:00.000Z	26 \| good	4.359 \| good	7.857 \| good	27.746 \| good	0.088 \| good	1.932 \| good	0.087 \| good
2026-07-12T04:00:00.000Z	27 \| good	4.52 \| good	8.386 \| good	27.232 \| good	0.078 \| good	1.837 \| good	0.086 \| good
2026-07-12T05:00:00.000Z	27 \| good	4.584 \| good	9.22 \| good	26.437 \| good	0.068 \| good	1.618 \| good	0.085 \| good
2026-07-12T06:00:00.000Z	27 \| good	4.747 \| good	10.074 \| good	26.096 \| good	0.062 \| good	1.256 \| good	0.086 \| good
2026-07-12T07:00:00.000Z	27 \| good	4.89 \| good	10.572 \| good	27.531 \| good	0.065 \| good	1.033 \| good	0.09 \| good
2026-07-12T08:00:00.000Z	28 \| good	5.07 \| good	10.791 \| good	29.653 \| good	0.071 \| good	0.865 \| good	0.092 \| good
2026-07-12T09:00:00.000Z	30 \| good	5.232 \| good	10.452 \| good	32.068 \| good	0.075 \| good	0.808 \| good	0.093 \| good
2026-07-12T10:00:00.000Z	33 \| good	5.214 \| good	10.045 \| good	35.536 \| good	0.088 \| good	0.836 \| good	0.096 \| good
2026-07-12T11:00:00.000Z	36 \| good	5.183 \| good	10.527 \| good	38.525 \| good	0.103 \| good	0.858 \| good	0.098 \| good
2026-07-12T12:00:00.000Z	39 \| good	5.468 \| good	11.009 \| good	42.244 \| good	0.112 \| good	0.867 \| good	0.099 \| good
2026-07-12T13:00:00.000Z	44 \| good	5.747 \| good	11.237 \| good	47.583 \| good	0.12 \| good	0.949 \| good	0.101 \| good
2026-07-12T14:00:00.000Z	46 \| good	6.056 \| good	11.637 \| good	50.189 \| good	0.113 \| good	0.994 \| good	0.101 \| good
2026-07-12T15:00:00.000Z	47 \| good	6.217 \| good	11.995 \| good	51.479 \| good	0.11 \| good	1.044 \| good	0.1 \| good
2026-07-12T16:00:00.000Z	48 \| good	6.059 \| good	12.35 \| good	51.988 \| good	0.105 \| good	1.064 \| good	0.1 \| good
2026-07-12T17:00:00.000Z	47 \| good	5.967 \| good	12.524 \| good	50.895 \| good	0.103 \| good	1.178 \| good	0.1 \| good
2026-07-12T18:00:00.000Z	44 \| good	5.922 \| good	12.228 \| good	47.576 \| good	0.101 \| good	1.266 \| good	0.099 \| good
2026-07-12T19:00:00.000Z	42 \| good	5.756 \| good	12.264 \| good	45.234 \| good	0.103 \| good	1.366 \| good	0.095 \| good
2026-07-12T20:00:00.000Z	40 \| good	5.404 \| good	12.042 \| good	42.75 \| good	0.107 \| good	1.551 \| good	0.093 \| good
2026-07-12T21:00:00.000Z	36 \| good	5.348 \| good	12.779 \| good	39.214 \| good	0.116 \| good	1.738 \| good	0.092 \| good
2026-07-12T22:00:00.000Z	33 \| good	5.217 \| good	13.072 \| good	35.755 \| good	0.121 \| good	1.782 \| good	0.09 \| good
2026-07-12T23:00:00.000Z	31 \| good	5.042 \| good	12.805 \| good	34.026 \| good	0.124 \| good	1.696 \| good	0.089 \| good
2026-07-13T00:00:00.000Z	31 \| good	4.906 \| good	12.486 \| good	33.345 \| good	0.132 \| good	1.706 \| good	0.089 \| good
2026-07-13T01:00:00.000Z	31 \| good	4.817 \| good	12.573 \| good	32.646 \| good	0.137 \| good	1.661 \| good	0.087 \| good
2026-07-13T02:00:00.000Z	31 \| good	4.779 \| good	12.654 \| good	32.835 \| good	0.136 \| good	1.573 \| good	0.086 \| good
2026-07-13T03:00:00.000Z	31 \| good	4.77 \| good	12.772 \| good	33.141 \| good	0.129 \| good	1.49 \| good	0.086 \| good
2026-07-13T04:00:00.000Z	31 \| good	4.82 \| good	12.883 \| good	32.837 \| good	0.127 \| good	1.487 \| good	0.086 \| good
2026-07-13T05:00:00.000Z	31 \| good	4.93 \| good	13.008 \| good	32.544 \| good	0.125 \| good	1.565 \| good	0.086 \| good
2026-07-13T06:00:00.000Z	30 \| good	5.013 \| good	13.12 \| good	31.738 \| good	0.125 \| good	1.736 \| good	0.086 \| good
2026-07-13T07:00:00.000Z	29 \| good	5.08 \| good	13.213 \| good	31.058 \| good	0.136 \| good	1.927 \| good	0.09 \| good
2026-07-13T08:00:00.000Z	30 \| good	5.096 \| good	12.835 \| good	31.598 \| good	0.14 \| good	1.879 \| good	0.091 \| good
2026-07-13T09:00:00.000Z	31 \| good	5.137 \| good	12.311 \| good	32.676 \| good	0.141 \| good	1.852 \| good	0.091 \| good
2026-07-13T10:00:00.000Z	32 \| good	5.091 \| good	11.96 \| good	35.045 \| good	0.138 \| good	1.609 \| good	0.092 \| good
2026-07-13T11:00:00.000Z	34 \| good	4.909 \| good	11.678 \| good	37.316 \| good	0.136 \| good	1.461 \| good	0.093 \| good

Current air quality index in Cardiff, Wales today

Common air pollutants in Cardiff, Wales

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Cardiff, Wales air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Cardiff, Wales

Air quality in nearby cities

Penarth, Wales

Caerphilly, Wales

Barry, Wales

Church Village, Wales

Risca, Wales

Newport, Wales

How accurate is Wales, UK air quality data?

Air quality levels in UK

Frequently asked questions

How frequently does the air quality data for Cardiff, Wales get updated?

What time in the past 24 hours saw the poorest air quality in Cardiff, Wales?

When was air quality in Cardiff, Wales the best over the past 24 hours?

What is the air quality in Cardiff, Wales right now?

What pollutant is most frequently found in Cardiff, Wales?

What can I do if the air quality in Cardiff, Wales is poor?

What is the PM2.5 concentration in Cardiff, Wales right now?

What is the current level of PM10 in Cardiff, Wales?

What is the current level of carbon monoxide (CO) in Cardiff, Wales?

What is the current level of sulfur dioxide (SO2) in Cardiff, Wales?

What is the current level of ozone (O3) in Cardiff, Wales?

What is the current level of nitrogen dioxide (NO2) in Cardiff, Wales?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Cardiff, Wales right now?

What is the current level of PM₁₀ in Cardiff, Wales?

What is the current level of sulfur dioxide (SO₂) in Cardiff, Wales?

What is the current level of ozone (O₃) in Cardiff, Wales?

What is the current level of nitrogen dioxide (NO₂) in Cardiff, Wales?