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

Cardiff, Wales currently has a PM10 concentration of 7.999 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Cardiff, Wales is 0.44 ppb.

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

Cardiff, Wales currently has an ozone (O3) concentration of 29.52 ppm.

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

The current level of nitrogen dioxide (NO2) in Cardiff, Wales is 4.771 ppb.

Current air quality index in Cardiff, Wales today

Name: Live air pollution levels in Cardiff, Wales today
Creator: Ambee

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)

0.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

3.01 μg/m³

155

255

425

605+

Ozone (O₃)

25.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.06 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-16T04:00:00.000Z	27 \| good	4.855 \| good	21.919 \| good	28.393 \| good	0.383 \| good	1.064 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	27 \| good	4.544 \| good	20.916 \| good	28.996 \| good	0.382 \| good	1.064 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	27 \| good	4.544 \| good	20.935 \| good	29.115 \| good	0.382 \| good	1.067 \| good	0.103 \| good
2025-09-16T07:00:00.000Z	27 \| good	4.547 \| good	20.933 \| good	29.479 \| good	0.382 \| good	2.658 \| good	0.111 \| good
2025-09-16T08:00:00.000Z	27 \| good	4.548 \| good	19.945 \| good	27.808 \| good	0.383 \| good	4.229 \| good	0.102 \| good
2025-09-16T09:00:00.000Z	27 \| good	4.536 \| good	19.935 \| good	27.373 \| good	0.382 \| good	4.787 \| good	0.097 \| good
2025-09-16T10:00:00.000Z	27 \| good	4.536 \| good	19.926 \| good	27.06 \| good	0.382 \| good	4.758 \| good	0.098 \| good
2025-09-16T11:00:00.000Z	27 \| good	4.535 \| good	19.916 \| good	27.108 \| good	0.382 \| good	4.214 \| good	0.093 \| good
2025-09-16T12:00:00.000Z	26 \| good	4.335 \| good	18.927 \| good	27.585 \| good	0.382 \| good	2.646 \| good	0.086 \| good
2025-09-16T13:00:00.000Z	26 \| good	4.333 \| good	18.926 \| good	27.612 \| good	0.382 \| good	1.6 \| good	0.084 \| good
2025-09-16T14:00:00.000Z	25 \| good	4.026 \| good	17.935 \| good	27.494 \| good	0.382 \| good	1.603 \| good	0.085 \| good
2025-09-16T15:00:00.000Z	27 \| good	3.832 \| good	16.932 \| good	28.506 \| good	0.382 \| good	1.603 \| good	0.087 \| good
2025-09-16T16:00:00.000Z	27 \| good	3.634 \| good	15.951 \| good	29.468 \| good	0.382 \| good	2.126 \| good	0.082 \| good
2025-09-16T17:00:00.000Z	29 \| good	3.634 \| good	15.951 \| good	30.63 \| good	0.382 \| good	3.183 \| good	0.084 \| good
2025-09-16T18:00:00.000Z	29 \| good	3.339 \| good	14.962 \| good	31.253 \| good	0.382 \| good	3.699 \| good	0.092 \| good
2025-09-16T19:00:00.000Z	29 \| good	3.34 \| good	14.959 \| good	30.566 \| good	0.488 \| good	3.187 \| good	0.097 \| good
2025-09-16T20:00:00.000Z	29 \| good	3.127 \| good	13.977 \| good	30.781 \| good	0.489 \| good	4.258 \| good	0.095 \| good
2025-09-16T21:00:00.000Z	28 \| good	3.126 \| good	13.969 \| good	30.307 \| good	0.497 \| good	5.857 \| good	0.096 \| good
2025-09-16T22:00:00.000Z	28 \| good	3.124 \| good	13.974 \| good	29.869 \| good	0.382 \| good	6.903 \| good	0.079 \| good
2025-09-16T23:00:00.000Z	28 \| good	2.831 \| good	12.98 \| good	29.5 \| good	0.382 \| good	5.335 \| good	0.082 \| good
2025-09-17T00:00:00.000Z	27 \| good	2.834 \| good	12.976 \| good	29.285 \| good	0.382 \| good	3.224 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	26 \| good	2.823 \| good	12.971 \| good	28.216 \| good	0.382 \| good	2.157 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	25 \| good	2.626 \| good	11.977 \| good	27.101 \| good	0.486 \| good	2.123 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	26 \| good	2.629 \| good	11.98 \| good	28.213 \| good	0.488 \| good	2.123 \| good	0.362 \| good
2025-09-17T04:00:00.000Z	26 \| good	2.435 \| good	10.99 \| good	28.417 \| good	0.382 \| good	2.125 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	26 \| good	2.433 \| good	10.99 \| good	27.583 \| good	0.382 \| good	2.641 \| good	0.446 \| good
2025-09-17T06:00:00.000Z	27 \| good	2.139 \| good	9.997 \| good	29.361 \| good	0.382 \| good	2.13 \| good	0.079 \| good
2025-09-17T07:00:00.000Z	29 \| good	2.138 \| good	9.991 \| good	31.479 \| good	0.382 \| good	2.149 \| good	0.086 \| good
2025-09-17T08:00:00.000Z	30 \| good	1.94 \| good	9.007 \| good	32.169 \| good	0.382 \| good	4.772 \| good	0.081 \| good
2025-09-17T09:00:00.000Z	30 \| good	1.941 \| good	8.994 \| good	31.9 \| good	0.502 \| good	6.39 \| good	0.076 \| good
2025-09-17T10:00:00.000Z	29 \| good	1.928 \| good	8.981 \| good	30.866 \| good	0.44 \| good	7.393 \| good	0.074 \| good
2025-09-17T11:00:00.000Z	28 \| good	1.634 \| good	7.999 \| good	29.52 \| good	0.44 \| good	4.771 \| good	0.076 \| good
2025-09-17T12:00:00.000Z	25 \| good	1.632 \| good	7.997 \| good	27.314 \| good	1.463 \| good	3.219 \| good	0.075 \| good
2025-09-17T13:00:00.000Z	25 \| good	1.437 \| good	7.002 \| good	27.247 \| good	1.406 \| good	2.69 \| good	0.077 \| good
2025-09-17T14:00:00.000Z	25 \| good	1.435 \| good	7.006 \| good	27.143 \| good	0.485 \| good	3.193 \| good	0.074 \| good
2025-09-17T15:00:00.000Z	24 \| good	1.432 \| good	7.007 \| good	26.293 \| good	0.382 \| good	2.674 \| good	0.074 \| good
2025-09-17T16:00:00.000Z	24 \| good	1.436 \| good	6.008 \| good	25.751 \| good	0.382 \| good	3.206 \| good	0.075 \| good
2025-09-17T17:00:00.000Z	24 \| good	1.436 \| good	6.002 \| good	25.934 \| good	0.382 \| good	3.203 \| good	0.082 \| good
2025-09-17T18:00:00.000Z	23 \| good	1.235 \| good	5.015 \| good	25.322 \| good	0.382 \| good	2.697 \| good	0.08 \| good
2025-09-17T19:00:00.000Z	23 \| good	1.225 \| good	5.008 \| good	25.052 \| good	0.382 \| good	5.309 \| good	0.079 \| good
2025-09-17T20:00:00.000Z	24 \| good	0.93 \| good	4.017 \| good	25.985 \| good	0.382 \| good	3.215 \| good	0.083 \| good
2025-09-17T21:00:00.000Z	24 \| good	0.929 \| good	4.006 \| good	25.66 \| good	0.382 \| good	2.68 \| good	0.093 \| good
2025-09-17T22:00:00.000Z	24 \| good	0.925 \| good	4.007 \| good	26.112 \| good	0.382 \| good	2.147 \| good	0.058 \| good
2025-09-17T23:00:00.000Z	24 \| good	0.729 \| good	3.023 \| good	25.914 \| good	0.382 \| good	2.141 \| good	0.057 \| good
2025-09-18T00:00:00.000Z	24 \| good	0.728 \| good	3.005 \| good	25.584 \| good	0.382 \| good	1.601 \| good	0.207 \| good
2025-09-18T01:00:00.000Z	23 \| good	0.715 \| good	3.005 \| good	25.066 \| good	0.382 \| good	1.065 \| good	0.153 \| good
2025-09-18T02:00:00.000Z	24 \| good	0.715 \| good	3.007 \| good	25.621 \| good	0.382 \| good	1.065 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	24 \| good	0.715 \| good	3.007 \| good	25.621 \| good	0.382 \| good	1.065 \| good	0.195 \| good
2025-09-17T13:00:00.000Z	29 \| good	2.961 \| good	6.747 \| good	31.019 \| good	0.087 \| good	1.257 \| good	0.11 \| good
2025-09-17T14:00:00.000Z	29 \| good	3.202 \| good	7.393 \| good	30.951 \| good	0.087 \| good	1.33 \| good	0.109 \| good
2025-09-17T15:00:00.000Z	28 \| good	3.516 \| good	8.308 \| good	30.203 \| good	0.089 \| good	1.449 \| good	0.108 \| good
2025-09-17T16:00:00.000Z	28 \| good	3.692 \| good	8.293 \| good	29.769 \| good	0.092 \| good	1.671 \| good	0.107 \| good
2025-09-17T17:00:00.000Z	28 \| good	3.697 \| good	8.213 \| good	29.513 \| good	0.104 \| good	1.833 \| good	0.107 \| good
2025-09-17T18:00:00.000Z	27 \| good	3.743 \| good	8.131 \| good	29.201 \| good	0.116 \| good	1.858 \| good	0.106 \| good
2025-09-17T19:00:00.000Z	27 \| good	3.763 \| good	7.613 \| good	28.738 \| good	0.114 \| good	1.659 \| good	0.104 \| good
2025-09-17T20:00:00.000Z	27 \| good	3.54 \| good	6.739 \| good	29.477 \| good	0.107 \| good	1.652 \| good	0.104 \| good
2025-09-17T21:00:00.000Z	28 \| good	3.461 \| good	7.056 \| good	29.613 \| good	0.104 \| good	1.674 \| good	0.103 \| good
2025-09-17T22:00:00.000Z	28 \| good	3.626 \| good	7.739 \| good	29.569 \| good	0.093 \| good	1.52 \| good	0.103 \| good
2025-09-17T23:00:00.000Z	26 \| good	3.959 \| good	9.107 \| good	27.562 \| good	0.075 \| good	1.282 \| good	0.102 \| good
2025-09-18T00:00:00.000Z	26 \| good	3.874 \| good	9.239 \| good	27.575 \| good	0.071 \| good	1.136 \| good	0.099 \| good
2025-09-18T01:00:00.000Z	26 \| good	3.693 \| good	9.023 \| good	27.697 \| good	0.073 \| good	1.031 \| good	0.099 \| good
2025-09-18T02:00:00.000Z	26 \| good	3.394 \| good	7.896 \| good	28.039 \| good	0.075 \| good	0.959 \| good	0.099 \| good
2025-09-18T03:00:00.000Z	26 \| good	3.127 \| good	6.764 \| good	27.877 \| good	0.082 \| good	0.866 \| good	0.098 \| good
2025-09-18T04:00:00.000Z	26 \| good	2.933 \| good	6.222 \| good	28.305 \| good	0.082 \| good	0.843 \| good	0.098 \| good
2025-09-18T05:00:00.000Z	26 \| good	2.829 \| good	5.929 \| good	27.615 \| good	0.088 \| good	0.939 \| good	0.099 \| good
2025-09-18T06:00:00.000Z	25 \| good	3.347 \| good	6.29 \| good	27.291 \| good	0.105 \| good	1.316 \| good	0.101 \| good
2025-09-18T07:00:00.000Z	25 \| good	3.164 \| good	6.793 \| good	26.905 \| good	0.123 \| good	1.941 \| good	0.103 \| good
2025-09-18T08:00:00.000Z	25 \| good	3.157 \| good	6.874 \| good	26.678 \| good	0.124 \| good	1.991 \| good	0.103 \| good
2025-09-18T09:00:00.000Z	25 \| good	3.125 \| good	6.961 \| good	26.942 \| good	0.123 \| good	1.661 \| good	0.103 \| good
2025-09-18T10:00:00.000Z	25 \| good	3.095 \| good	7.109 \| good	27.182 \| good	0.123 \| good	1.52 \| good	0.103 \| good
2025-09-18T11:00:00.000Z	25 \| good	3.12 \| good	7.167 \| good	27.333 \| good	0.118 \| good	1.396 \| good	0.101 \| good
2025-09-18T12:00:00.000Z	25 \| good	3.063 \| good	7.199 \| good	27.363 \| good	0.112 \| good	1.433 \| good	0.101 \| good
2025-09-18T13:00:00.000Z	26 \| good	3.119 \| good	7.522 \| good	28.406 \| good	0.107 \| good	1.331 \| good	0.101 \| good
2025-09-18T14:00:00.000Z	27 \| good	3.312 \| good	7.319 \| good	28.534 \| good	0.11 \| good	1.473 \| good	0.101 \| good
2025-09-18T15:00:00.000Z	26 \| good	3.182 \| good	7.137 \| good	28.004 \| good	0.113 \| good	1.702 \| good	0.101 \| good
2025-09-18T16:00:00.000Z	25 \| good	3.098 \| good	6.807 \| good	27.375 \| good	0.114 \| good	2.03 \| good	0.101 \| good
2025-09-18T17:00:00.000Z	26 \| good	3.06 \| good	6.232 \| good	27.638 \| good	0.121 \| good	2.306 \| good	0.101 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.155 \| good	6.566 \| good	27.246 \| good	0.11 \| good	2.282 \| good	0.101 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.156 \| good	7.062 \| good	26.983 \| good	0.101 \| good	2.178 \| good	0.098 \| good
2025-09-18T20:00:00.000Z	25 \| good	3.321 \| good	7.146 \| good	27.294 \| good	0.1 \| good	2.183 \| good	0.098 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.42 \| good	7.224 \| good	28.166 \| good	0.102 \| good	2.023 \| good	0.099 \| good
2025-09-18T22:00:00.000Z	27 \| good	3.705 \| good	7.506 \| good	29.142 \| good	0.093 \| good	1.947 \| good	0.1 \| good
2025-09-18T23:00:00.000Z	28 \| good	3.956 \| good	8.041 \| good	30.458 \| good	0.084 \| good	1.818 \| good	0.101 \| good
2025-09-19T00:00:00.000Z	29 \| good	3.766 \| good	8.209 \| good	30.673 \| good	0.085 \| good	1.669 \| good	0.101 \| good
2025-09-19T01:00:00.000Z	29 \| good	3.829 \| good	8.266 \| good	30.736 \| good	0.087 \| good	1.621 \| good	0.101 \| good
2025-09-19T02:00:00.000Z	29 \| good	3.9 \| good	7.921 \| good	31.175 \| good	0.091 \| good	1.567 \| good	0.101 \| good
2025-09-19T03:00:00.000Z	30 \| good	3.765 \| good	7.572 \| good	31.759 \| good	0.095 \| good	1.42 \| good	0.101 \| good
2025-09-19T04:00:00.000Z	30 \| good	3.746 \| good	7.399 \| good	32.034 \| good	0.097 \| good	1.344 \| good	0.101 \| good
2025-09-19T05:00:00.000Z	30 \| good	3.786 \| good	7.313 \| good	31.542 \| good	0.109 \| good	1.452 \| good	0.102 \| good
2025-09-19T06:00:00.000Z	28 \| good	3.995 \| good	7.331 \| good	30.319 \| good	0.131 \| good	2.066 \| good	0.105 \| good
2025-09-19T07:00:00.000Z	27 \| good	4.333 \| good	7.423 \| good	28.513 \| good	0.145 \| good	3.438 \| good	0.108 \| good
2025-09-19T08:00:00.000Z	28 \| good	4.287 \| good	7.358 \| good	29.526 \| good	0.156 \| good	3.451 \| good	0.108 \| good
2025-09-19T09:00:00.000Z	28 \| good	4.131 \| good	7.385 \| good	30.2 \| good	0.158 \| good	3.152 \| good	0.107 \| good
2025-09-19T10:00:00.000Z	27 \| good	4.157 \| good	7.572 \| good	28.964 \| good	0.148 \| good	2.992 \| good	0.107 \| good
2025-09-19T11:00:00.000Z	27 \| good	4.129 \| good	7.571 \| good	28.905 \| good	0.147 \| good	2.885 \| good	0.108 \| good
2025-09-19T12:00:00.000Z	28 \| good	4.101 \| good	7.482 \| good	29.689 \| good	0.161 \| good	2.623 \| good	0.108 \| good

Cardiff

Empower business decisions with accurate air quality data

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

0.07ppm

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.

View Polluted Cities

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

View Clean Cities

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 09:00:00, 2025-09-17.

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

The best air quality in Cardiff, Wales was observed at 02:00:00 on 2025-09-17.

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

The air quality in Cardiff, Wales right now is Good, with an AQI of 28.

What pollutant is most frequently found in Cardiff, Wales?

In Cardiff, Wales, O3 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 1.634 μg/m³.

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

Cardiff, Wales currently has a PM₁₀ concentration of 7.999 μg/m³.

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

The current carbon monoxide (CO) level in Cardiff, Wales is 0.076 ppm.

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

The current sulfur dioxide (SO₂) concentration in Cardiff, Wales is 0.44 ppb.

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

Cardiff, Wales currently has an ozone (O₃) concentration of 29.52 ppm.

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

The current level of nitrogen dioxide (NO₂) in Cardiff, Wales is 4.771 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-16T04:00:00.000Z	27 \| good	4.855 \| good	21.919 \| good	28.393 \| good	0.383 \| good	1.064 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	27 \| good	4.544 \| good	20.916 \| good	28.996 \| good	0.382 \| good	1.064 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	27 \| good	4.544 \| good	20.935 \| good	29.115 \| good	0.382 \| good	1.067 \| good	0.103 \| good
2025-09-16T07:00:00.000Z	27 \| good	4.547 \| good	20.933 \| good	29.479 \| good	0.382 \| good	2.658 \| good	0.111 \| good
2025-09-16T08:00:00.000Z	27 \| good	4.548 \| good	19.945 \| good	27.808 \| good	0.383 \| good	4.229 \| good	0.102 \| good
2025-09-16T09:00:00.000Z	27 \| good	4.536 \| good	19.935 \| good	27.373 \| good	0.382 \| good	4.787 \| good	0.097 \| good
2025-09-16T10:00:00.000Z	27 \| good	4.536 \| good	19.926 \| good	27.06 \| good	0.382 \| good	4.758 \| good	0.098 \| good
2025-09-16T11:00:00.000Z	27 \| good	4.535 \| good	19.916 \| good	27.108 \| good	0.382 \| good	4.214 \| good	0.093 \| good
2025-09-16T12:00:00.000Z	26 \| good	4.335 \| good	18.927 \| good	27.585 \| good	0.382 \| good	2.646 \| good	0.086 \| good
2025-09-16T13:00:00.000Z	26 \| good	4.333 \| good	18.926 \| good	27.612 \| good	0.382 \| good	1.6 \| good	0.084 \| good
2025-09-16T14:00:00.000Z	25 \| good	4.026 \| good	17.935 \| good	27.494 \| good	0.382 \| good	1.603 \| good	0.085 \| good
2025-09-16T15:00:00.000Z	27 \| good	3.832 \| good	16.932 \| good	28.506 \| good	0.382 \| good	1.603 \| good	0.087 \| good
2025-09-16T16:00:00.000Z	27 \| good	3.634 \| good	15.951 \| good	29.468 \| good	0.382 \| good	2.126 \| good	0.082 \| good
2025-09-16T17:00:00.000Z	29 \| good	3.634 \| good	15.951 \| good	30.63 \| good	0.382 \| good	3.183 \| good	0.084 \| good
2025-09-16T18:00:00.000Z	29 \| good	3.339 \| good	14.962 \| good	31.253 \| good	0.382 \| good	3.699 \| good	0.092 \| good
2025-09-16T19:00:00.000Z	29 \| good	3.34 \| good	14.959 \| good	30.566 \| good	0.488 \| good	3.187 \| good	0.097 \| good
2025-09-16T20:00:00.000Z	29 \| good	3.127 \| good	13.977 \| good	30.781 \| good	0.489 \| good	4.258 \| good	0.095 \| good
2025-09-16T21:00:00.000Z	28 \| good	3.126 \| good	13.969 \| good	30.307 \| good	0.497 \| good	5.857 \| good	0.096 \| good
2025-09-16T22:00:00.000Z	28 \| good	3.124 \| good	13.974 \| good	29.869 \| good	0.382 \| good	6.903 \| good	0.079 \| good
2025-09-16T23:00:00.000Z	28 \| good	2.831 \| good	12.98 \| good	29.5 \| good	0.382 \| good	5.335 \| good	0.082 \| good
2025-09-17T00:00:00.000Z	27 \| good	2.834 \| good	12.976 \| good	29.285 \| good	0.382 \| good	3.224 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	26 \| good	2.823 \| good	12.971 \| good	28.216 \| good	0.382 \| good	2.157 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	25 \| good	2.626 \| good	11.977 \| good	27.101 \| good	0.486 \| good	2.123 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	26 \| good	2.629 \| good	11.98 \| good	28.213 \| good	0.488 \| good	2.123 \| good	0.362 \| good
2025-09-17T04:00:00.000Z	26 \| good	2.435 \| good	10.99 \| good	28.417 \| good	0.382 \| good	2.125 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	26 \| good	2.433 \| good	10.99 \| good	27.583 \| good	0.382 \| good	2.641 \| good	0.446 \| good
2025-09-17T06:00:00.000Z	27 \| good	2.139 \| good	9.997 \| good	29.361 \| good	0.382 \| good	2.13 \| good	0.079 \| good
2025-09-17T07:00:00.000Z	29 \| good	2.138 \| good	9.991 \| good	31.479 \| good	0.382 \| good	2.149 \| good	0.086 \| good
2025-09-17T08:00:00.000Z	30 \| good	1.94 \| good	9.007 \| good	32.169 \| good	0.382 \| good	4.772 \| good	0.081 \| good
2025-09-17T09:00:00.000Z	30 \| good	1.941 \| good	8.994 \| good	31.9 \| good	0.502 \| good	6.39 \| good	0.076 \| good
2025-09-17T10:00:00.000Z	29 \| good	1.928 \| good	8.981 \| good	30.866 \| good	0.44 \| good	7.393 \| good	0.074 \| good
2025-09-17T11:00:00.000Z	28 \| good	1.634 \| good	7.999 \| good	29.52 \| good	0.44 \| good	4.771 \| good	0.076 \| good
2025-09-17T12:00:00.000Z	25 \| good	1.632 \| good	7.997 \| good	27.314 \| good	1.463 \| good	3.219 \| good	0.075 \| good
2025-09-17T13:00:00.000Z	25 \| good	1.437 \| good	7.002 \| good	27.247 \| good	1.406 \| good	2.69 \| good	0.077 \| good
2025-09-17T14:00:00.000Z	25 \| good	1.435 \| good	7.006 \| good	27.143 \| good	0.485 \| good	3.193 \| good	0.074 \| good
2025-09-17T15:00:00.000Z	24 \| good	1.432 \| good	7.007 \| good	26.293 \| good	0.382 \| good	2.674 \| good	0.074 \| good
2025-09-17T16:00:00.000Z	24 \| good	1.436 \| good	6.008 \| good	25.751 \| good	0.382 \| good	3.206 \| good	0.075 \| good
2025-09-17T17:00:00.000Z	24 \| good	1.436 \| good	6.002 \| good	25.934 \| good	0.382 \| good	3.203 \| good	0.082 \| good
2025-09-17T18:00:00.000Z	23 \| good	1.235 \| good	5.015 \| good	25.322 \| good	0.382 \| good	2.697 \| good	0.08 \| good
2025-09-17T19:00:00.000Z	23 \| good	1.225 \| good	5.008 \| good	25.052 \| good	0.382 \| good	5.309 \| good	0.079 \| good
2025-09-17T20:00:00.000Z	24 \| good	0.93 \| good	4.017 \| good	25.985 \| good	0.382 \| good	3.215 \| good	0.083 \| good
2025-09-17T21:00:00.000Z	24 \| good	0.929 \| good	4.006 \| good	25.66 \| good	0.382 \| good	2.68 \| good	0.093 \| good
2025-09-17T22:00:00.000Z	24 \| good	0.925 \| good	4.007 \| good	26.112 \| good	0.382 \| good	2.147 \| good	0.058 \| good
2025-09-17T23:00:00.000Z	24 \| good	0.729 \| good	3.023 \| good	25.914 \| good	0.382 \| good	2.141 \| good	0.057 \| good
2025-09-18T00:00:00.000Z	24 \| good	0.728 \| good	3.005 \| good	25.584 \| good	0.382 \| good	1.601 \| good	0.207 \| good
2025-09-18T01:00:00.000Z	23 \| good	0.715 \| good	3.005 \| good	25.066 \| good	0.382 \| good	1.065 \| good	0.153 \| good
2025-09-18T02:00:00.000Z	24 \| good	0.715 \| good	3.007 \| good	25.621 \| good	0.382 \| good	1.065 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	24 \| good	0.715 \| good	3.007 \| good	25.621 \| good	0.382 \| good	1.065 \| good	0.195 \| good
2025-09-17T13:00:00.000Z	29 \| good	2.961 \| good	6.747 \| good	31.019 \| good	0.087 \| good	1.257 \| good	0.11 \| good
2025-09-17T14:00:00.000Z	29 \| good	3.202 \| good	7.393 \| good	30.951 \| good	0.087 \| good	1.33 \| good	0.109 \| good
2025-09-17T15:00:00.000Z	28 \| good	3.516 \| good	8.308 \| good	30.203 \| good	0.089 \| good	1.449 \| good	0.108 \| good
2025-09-17T16:00:00.000Z	28 \| good	3.692 \| good	8.293 \| good	29.769 \| good	0.092 \| good	1.671 \| good	0.107 \| good
2025-09-17T17:00:00.000Z	28 \| good	3.697 \| good	8.213 \| good	29.513 \| good	0.104 \| good	1.833 \| good	0.107 \| good
2025-09-17T18:00:00.000Z	27 \| good	3.743 \| good	8.131 \| good	29.201 \| good	0.116 \| good	1.858 \| good	0.106 \| good
2025-09-17T19:00:00.000Z	27 \| good	3.763 \| good	7.613 \| good	28.738 \| good	0.114 \| good	1.659 \| good	0.104 \| good
2025-09-17T20:00:00.000Z	27 \| good	3.54 \| good	6.739 \| good	29.477 \| good	0.107 \| good	1.652 \| good	0.104 \| good
2025-09-17T21:00:00.000Z	28 \| good	3.461 \| good	7.056 \| good	29.613 \| good	0.104 \| good	1.674 \| good	0.103 \| good
2025-09-17T22:00:00.000Z	28 \| good	3.626 \| good	7.739 \| good	29.569 \| good	0.093 \| good	1.52 \| good	0.103 \| good
2025-09-17T23:00:00.000Z	26 \| good	3.959 \| good	9.107 \| good	27.562 \| good	0.075 \| good	1.282 \| good	0.102 \| good
2025-09-18T00:00:00.000Z	26 \| good	3.874 \| good	9.239 \| good	27.575 \| good	0.071 \| good	1.136 \| good	0.099 \| good
2025-09-18T01:00:00.000Z	26 \| good	3.693 \| good	9.023 \| good	27.697 \| good	0.073 \| good	1.031 \| good	0.099 \| good
2025-09-18T02:00:00.000Z	26 \| good	3.394 \| good	7.896 \| good	28.039 \| good	0.075 \| good	0.959 \| good	0.099 \| good
2025-09-18T03:00:00.000Z	26 \| good	3.127 \| good	6.764 \| good	27.877 \| good	0.082 \| good	0.866 \| good	0.098 \| good
2025-09-18T04:00:00.000Z	26 \| good	2.933 \| good	6.222 \| good	28.305 \| good	0.082 \| good	0.843 \| good	0.098 \| good
2025-09-18T05:00:00.000Z	26 \| good	2.829 \| good	5.929 \| good	27.615 \| good	0.088 \| good	0.939 \| good	0.099 \| good
2025-09-18T06:00:00.000Z	25 \| good	3.347 \| good	6.29 \| good	27.291 \| good	0.105 \| good	1.316 \| good	0.101 \| good
2025-09-18T07:00:00.000Z	25 \| good	3.164 \| good	6.793 \| good	26.905 \| good	0.123 \| good	1.941 \| good	0.103 \| good
2025-09-18T08:00:00.000Z	25 \| good	3.157 \| good	6.874 \| good	26.678 \| good	0.124 \| good	1.991 \| good	0.103 \| good
2025-09-18T09:00:00.000Z	25 \| good	3.125 \| good	6.961 \| good	26.942 \| good	0.123 \| good	1.661 \| good	0.103 \| good
2025-09-18T10:00:00.000Z	25 \| good	3.095 \| good	7.109 \| good	27.182 \| good	0.123 \| good	1.52 \| good	0.103 \| good
2025-09-18T11:00:00.000Z	25 \| good	3.12 \| good	7.167 \| good	27.333 \| good	0.118 \| good	1.396 \| good	0.101 \| good
2025-09-18T12:00:00.000Z	25 \| good	3.063 \| good	7.199 \| good	27.363 \| good	0.112 \| good	1.433 \| good	0.101 \| good
2025-09-18T13:00:00.000Z	26 \| good	3.119 \| good	7.522 \| good	28.406 \| good	0.107 \| good	1.331 \| good	0.101 \| good
2025-09-18T14:00:00.000Z	27 \| good	3.312 \| good	7.319 \| good	28.534 \| good	0.11 \| good	1.473 \| good	0.101 \| good
2025-09-18T15:00:00.000Z	26 \| good	3.182 \| good	7.137 \| good	28.004 \| good	0.113 \| good	1.702 \| good	0.101 \| good
2025-09-18T16:00:00.000Z	25 \| good	3.098 \| good	6.807 \| good	27.375 \| good	0.114 \| good	2.03 \| good	0.101 \| good
2025-09-18T17:00:00.000Z	26 \| good	3.06 \| good	6.232 \| good	27.638 \| good	0.121 \| good	2.306 \| good	0.101 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.155 \| good	6.566 \| good	27.246 \| good	0.11 \| good	2.282 \| good	0.101 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.156 \| good	7.062 \| good	26.983 \| good	0.101 \| good	2.178 \| good	0.098 \| good
2025-09-18T20:00:00.000Z	25 \| good	3.321 \| good	7.146 \| good	27.294 \| good	0.1 \| good	2.183 \| good	0.098 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.42 \| good	7.224 \| good	28.166 \| good	0.102 \| good	2.023 \| good	0.099 \| good
2025-09-18T22:00:00.000Z	27 \| good	3.705 \| good	7.506 \| good	29.142 \| good	0.093 \| good	1.947 \| good	0.1 \| good
2025-09-18T23:00:00.000Z	28 \| good	3.956 \| good	8.041 \| good	30.458 \| good	0.084 \| good	1.818 \| good	0.101 \| good
2025-09-19T00:00:00.000Z	29 \| good	3.766 \| good	8.209 \| good	30.673 \| good	0.085 \| good	1.669 \| good	0.101 \| good
2025-09-19T01:00:00.000Z	29 \| good	3.829 \| good	8.266 \| good	30.736 \| good	0.087 \| good	1.621 \| good	0.101 \| good
2025-09-19T02:00:00.000Z	29 \| good	3.9 \| good	7.921 \| good	31.175 \| good	0.091 \| good	1.567 \| good	0.101 \| good
2025-09-19T03:00:00.000Z	30 \| good	3.765 \| good	7.572 \| good	31.759 \| good	0.095 \| good	1.42 \| good	0.101 \| good
2025-09-19T04:00:00.000Z	30 \| good	3.746 \| good	7.399 \| good	32.034 \| good	0.097 \| good	1.344 \| good	0.101 \| good
2025-09-19T05:00:00.000Z	30 \| good	3.786 \| good	7.313 \| good	31.542 \| good	0.109 \| good	1.452 \| good	0.102 \| good
2025-09-19T06:00:00.000Z	28 \| good	3.995 \| good	7.331 \| good	30.319 \| good	0.131 \| good	2.066 \| good	0.105 \| good
2025-09-19T07:00:00.000Z	27 \| good	4.333 \| good	7.423 \| good	28.513 \| good	0.145 \| good	3.438 \| good	0.108 \| good
2025-09-19T08:00:00.000Z	28 \| good	4.287 \| good	7.358 \| good	29.526 \| good	0.156 \| good	3.451 \| good	0.108 \| good
2025-09-19T09:00:00.000Z	28 \| good	4.131 \| good	7.385 \| good	30.2 \| good	0.158 \| good	3.152 \| good	0.107 \| good
2025-09-19T10:00:00.000Z	27 \| good	4.157 \| good	7.572 \| good	28.964 \| good	0.148 \| good	2.992 \| good	0.107 \| good
2025-09-19T11:00:00.000Z	27 \| good	4.129 \| good	7.571 \| good	28.905 \| good	0.147 \| good	2.885 \| good	0.108 \| good
2025-09-19T12:00:00.000Z	28 \| good	4.101 \| good	7.482 \| good	29.689 \| good	0.161 \| good	2.623 \| good	0.108 \| 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?