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

Cardiff, Wales currently has a PM10 concentration of 24.943 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Cardiff, Wales is 0.382 ppb.

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

Cardiff, Wales currently has an ozone (O3) concentration of 21.147 ppm.

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

The current level of nitrogen dioxide (NO2) in Cardiff, Wales is 14.755 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 5.66 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)

5.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.94 μg/m³

155

255

425

605+

Ozone (O₃)

21.15 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.76 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.37 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
2026-03-06T00:00:00.000Z	54 \| moderate	11.413 \| good	50.711 \| good	23.383 \| good	0.44 \| good	18.643 \| good	0.763 \| good
2026-03-06T01:00:00.000Z	54 \| moderate	11.432 \| good	50.662 \| good	19.351 \| good	0.488 \| good	20.739 \| good	0.666 \| good
2026-03-06T02:00:00.000Z	56 \| moderate	11.695 \| good	51.626 \| good	18.867 \| good	0.382 \| good	18.06 \| good	0.555 \| good
2026-03-06T03:00:00.000Z	56 \| moderate	11.672 \| good	51.636 \| good	17.636 \| good	0.497 \| good	8.941 \| good	0.553 \| good
2026-03-06T04:00:00.000Z	54 \| moderate	11.358 \| good	50.659 \| good	27.246 \| good	0.441 \| good	3.705 \| good	0.459 \| good
2026-03-06T05:00:00.000Z	54 \| moderate	10.965 \| good	48.686 \| good	28.789 \| good	0.516 \| good	2.647 \| good	0.481 \| good
2026-03-06T06:00:00.000Z	54 \| moderate	10.65 \| good	47.718 \| good	30.917 \| good	0.512 \| good	2.123 \| good	0.483 \| good
2026-03-06T07:00:00.000Z	52 \| moderate	10.15 \| good	44.72 \| good	34.42 \| good	0.445 \| good	5.794 \| good	0.132 \| good
2026-03-06T08:00:00.000Z	52 \| moderate	9.752 \| good	42.722 \| good	30.434 \| good	0.444 \| good	8.943 \| good	0.167 \| good
2026-03-06T09:00:00.000Z	49 \| good	9.241 \| good	40.736 \| good	35.59 \| good	0.444 \| good	20.447 \| good	0.173 \| good
2026-03-06T10:00:00.000Z	49 \| good	8.718 \| good	38.765 \| good	35.674 \| good	0.535 \| good	20.483 \| good	0.147 \| good
2026-03-06T11:00:00.000Z	44 \| good	8.234 \| good	36.775 \| good	35.429 \| good	0.441 \| good	17.877 \| good	0.119 \| good
2026-03-06T12:00:00.000Z	44 \| good	7.722 \| good	34.8 \| good	35.48 \| good	0.382 \| good	14.737 \| good	0.096 \| good
2026-03-06T13:00:00.000Z	44 \| good	7.703 \| good	34.77 \| good	35.217 \| good	0.442 \| good	15.229 \| good	0.073 \| good
2026-03-06T14:00:00.000Z	38 \| good	7.484 \| good	33.768 \| good	36.275 \| good	0.5 \| good	15.747 \| good	0.063 \| good
2026-03-06T15:00:00.000Z	38 \| good	7.477 \| good	32.771 \| good	33.655 \| good	0.452 \| good	14.687 \| good	0.06 \| good
2026-03-06T16:00:00.000Z	38 \| good	6.972 \| good	30.786 \| good	34.458 \| good	0.382 \| good	10.527 \| good	0.067 \| good
2026-03-06T17:00:00.000Z	38 \| good	6.758 \| good	29.77 \| good	32.039 \| good	0.382 \| good	17.867 \| good	0.08 \| good
2026-03-06T18:00:00.000Z	33 \| good	6.054 \| good	26.809 \| good	29.981 \| good	0.472 \| good	18.898 \| good	0.085 \| good
2026-03-06T19:00:00.000Z	33 \| good	5.746 \| good	25.792 \| good	30.199 \| good	0.382 \| good	18.903 \| good	0.12 \| good
2026-03-06T20:00:00.000Z	33 \| good	5.744 \| good	25.771 \| good	30.776 \| good	0.382 \| good	11.614 \| good	0.287 \| good
2026-03-06T21:00:00.000Z	30 \| good	5.239 \| good	23.813 \| good	32.494 \| good	0.382 \| good	14.752 \| good	0.379 \| good
2026-03-06T22:00:00.000Z	29 \| good	5.038 \| good	22.818 \| good	30.912 \| good	0.382 \| good	17.355 \| good	0.248 \| good
2026-03-06T23:00:00.000Z	28 \| good	4.828 \| good	21.799 \| good	30.31 \| good	0.382 \| good	12.651 \| good	0.308 \| good
2026-03-07T00:00:00.000Z	27 \| good	4.529 \| good	20.793 \| good	29.43 \| good	0.382 \| good	14.194 \| good	0.934 \| good
2026-03-07T01:00:00.000Z	27 \| good	4.513 \| good	19.794 \| good	29.136 \| good	0.382 \| good	10.523 \| good	0.792 \| good
2026-03-07T02:00:00.000Z	28 \| good	4.317 \| good	18.8 \| good	30.083 \| good	0.382 \| good	9.463 \| good	0.74 \| good
2026-03-07T03:00:00.000Z	25 \| good	4.012 \| good	17.832 \| good	26.967 \| good	0.382 \| good	6.85 \| good	0.6 \| good
2026-03-07T04:00:00.000Z	26 \| good	4.02 \| good	17.833 \| good	28.196 \| good	0.382 \| good	6.333 \| good	0.549 \| good
2026-03-07T05:00:00.000Z	27 \| good	4.025 \| good	17.832 \| good	28.961 \| good	0.382 \| good	4.774 \| good	0.499 \| good
2026-03-07T06:00:00.000Z	22 \| good	4.348 \| good	18.826 \| good	24.12 \| good	0.382 \| good	4.257 \| good	0.462 \| good
2026-03-07T07:00:00.000Z	27 \| good	4.545 \| good	19.81 \| good	24.211 \| good	0.382 \| good	4.27 \| good	0.2 \| good
2026-03-07T08:00:00.000Z	27 \| good	4.574 \| good	20.832 \| good	23.021 \| good	0.382 \| good	5.844 \| good	0.181 \| good
2026-03-07T09:00:00.000Z	27 \| good	4.89 \| good	21.83 \| good	24.652 \| good	0.541 \| good	7.945 \| good	0.164 \| good
2026-03-07T10:00:00.000Z	27 \| good	5.091 \| good	22.818 \| good	23.473 \| good	0.464 \| good	11.609 \| good	0.124 \| good
2026-03-07T11:00:00.000Z	27 \| good	5.298 \| good	23.827 \| good	20.287 \| good	0.463 \| good	12.128 \| good	0.093 \| good
2026-03-07T12:00:00.000Z	33 \| good	5.603 \| good	24.831 \| good	17.225 \| good	0.382 \| good	10.557 \| good	0.079 \| good
2026-03-07T13:00:00.000Z	27 \| good	5.321 \| good	23.852 \| good	17.294 \| good	0.382 \| good	12.134 \| good	0.065 \| good
2026-03-07T14:00:00.000Z	27 \| good	5.331 \| good	23.848 \| good	16.424 \| good	0.382 \| good	13.711 \| good	0.063 \| good
2026-03-07T15:00:00.000Z	27 \| good	5.366 \| good	23.878 \| good	19.552 \| good	0.382 \| good	14.234 \| good	0.064 \| good
2026-03-07T16:00:00.000Z	27 \| good	5.381 \| good	23.914 \| good	20.668 \| good	0.45 \| good	14.223 \| good	0.07 \| good
2026-03-07T17:00:00.000Z	27 \| good	5.351 \| good	23.93 \| good	19.94 \| good	0.382 \| good	15.788 \| good	0.102 \| good
2026-03-07T18:00:00.000Z	33 \| good	5.674 \| good	24.913 \| good	19.93 \| good	0.382 \| good	18.41 \| good	0.105 \| good
2026-03-07T19:00:00.000Z	33 \| good	5.685 \| good	24.924 \| good	20.581 \| good	0.452 \| good	18.944 \| good	0.131 \| good
2026-03-07T20:00:00.000Z	33 \| good	5.684 \| good	24.907 \| good	21.902 \| good	0.452 \| good	16.361 \| good	0.221 \| good
2026-03-07T21:00:00.000Z	33 \| good	5.692 \| good	24.927 \| good	17.258 \| good	0.454 \| good	17.92 \| good	0.312 \| good
2026-03-07T22:00:00.000Z	33 \| good	5.688 \| good	24.922 \| good	19.361 \| good	0.382 \| good	17.902 \| good	0.327 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.66 \| good	24.943 \| good	21.147 \| good	0.382 \| good	14.755 \| good	0.371 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.66 \| good	24.943 \| good	21.147 \| good	0.382 \| good	14.755 \| good	0.371 \| good
2026-03-08T00:00:00.000Z	73 \| moderate	21.225 \| fine	25.711 \| good	8.164 \| good	0.443 \| good	17.06 \| good	0.214 \| good
2026-03-08T01:00:00.000Z	77 \| moderate	22.552 \| fine	27.246 \| good	7.12 \| good	0.396 \| good	17.131 \| good	0.214 \| good
2026-03-08T02:00:00.000Z	77 \| moderate	22.766 \| fine	28.309 \| good	5.033 \| good	0.411 \| good	17.638 \| good	0.209 \| good
2026-03-08T03:00:00.000Z	77 \| moderate	22.803 \| fine	28.66 \| good	5.006 \| good	0.399 \| good	17.572 \| good	0.209 \| good
2026-03-08T04:00:00.000Z	77 \| moderate	23.381 \| fine	29.169 \| good	9.632 \| good	0.41 \| good	16.043 \| good	0.205 \| good
2026-03-08T05:00:00.000Z	81 \| moderate	24.634 \| fine	31.331 \| good	12.81 \| good	0.38 \| good	14.964 \| good	0.197 \| good
2026-03-08T06:00:00.000Z	84 \| moderate	26.539 \| fine	33.434 \| good	16.423 \| good	0.245 \| good	10.039 \| good	0.188 \| good
2026-03-08T07:00:00.000Z	88 \| moderate	28.584 \| fine	35.277 \| good	19.387 \| good	0.23 \| good	7.009 \| good	0.188 \| good
2026-03-08T08:00:00.000Z	86 \| moderate	28.357 \| fine	37.461 \| good	18.906 \| good	0.282 \| good	6.851 \| good	0.189 \| good
2026-03-08T09:00:00.000Z	84 \| moderate	26.714 \| fine	37.849 \| good	19.117 \| good	0.313 \| good	7.002 \| good	0.194 \| good
2026-03-08T10:00:00.000Z	84 \| moderate	27.48 \| fine	37.875 \| good	17.615 \| good	0.348 \| good	7.735 \| good	0.202 \| good
2026-03-08T11:00:00.000Z	86 \| moderate	27.835 \| fine	38.755 \| good	17.216 \| good	0.372 \| good	8.122 \| good	0.209 \| good
2026-03-08T12:00:00.000Z	90 \| moderate	29.764 \| fine	40.101 \| good	16.274 \| good	0.346 \| good	7.9 \| good	0.212 \| good
2026-03-08T13:00:00.000Z	96 \| moderate	33.39 \| fine	42.51 \| good	15.928 \| good	0.328 \| good	7.271 \| good	0.216 \| good
2026-03-08T14:00:00.000Z	99 \| moderate	34.898 \| fine	44.88 \| good	16.23 \| good	0.386 \| good	7.651 \| good	0.222 \| good
2026-03-08T15:00:00.000Z	102 \| sensitive	35.966 \| moderate	46.705 \| good	16.637 \| good	0.411 \| good	8.262 \| good	0.228 \| good
2026-03-08T16:00:00.000Z	97 \| moderate	33.585 \| fine	48.195 \| good	17.233 \| good	0.381 \| good	8.015 \| good	0.225 \| good
2026-03-08T17:00:00.000Z	99 \| moderate	34.976 \| fine	50.27 \| good	17.88 \| good	0.362 \| good	10.048 \| good	0.229 \| good
2026-03-08T18:00:00.000Z	112 \| sensitive	40.097 \| moderate	50.991 \| good	17.878 \| good	0.362 \| good	12.36 \| good	0.232 \| good
2026-03-08T19:00:00.000Z	90 \| moderate	29.806 \| fine	46.147 \| good	18.319 \| good	0.34 \| good	12.373 \| good	0.227 \| good
2026-03-08T20:00:00.000Z	84 \| moderate	27.467 \| fine	43.815 \| good	18.153 \| good	0.341 \| good	10.6 \| good	0.22 \| good
2026-03-08T21:00:00.000Z	82 \| moderate	26.061 \| fine	44.508 \| good	19.354 \| good	0.348 \| good	9.368 \| good	0.208 \| good
2026-03-08T22:00:00.000Z	84 \| moderate	26.777 \| fine	44.532 \| good	18.508 \| good	0.317 \| good	8.122 \| good	0.206 \| good
2026-03-08T23:00:00.000Z	88 \| moderate	28.524 \| fine	43.364 \| good	16.444 \| good	0.276 \| good	7.451 \| good	0.208 \| good
2026-03-09T00:00:00.000Z	92 \| moderate	30.66 \| fine	42.514 \| good	15.179 \| good	0.209 \| good	7.501 \| good	0.213 \| good
2026-03-09T01:00:00.000Z	94 \| moderate	31.988 \| fine	43.024 \| good	14.06 \| good	0.214 \| good	7.997 \| good	0.217 \| good
2026-03-09T02:00:00.000Z	88 \| moderate	28.952 \| fine	42.34 \| good	12.891 \| good	0.205 \| good	8.257 \| good	0.22 \| good
2026-03-09T03:00:00.000Z	73 \| moderate	21.319 \| fine	35.891 \| good	13.512 \| good	0.201 \| good	8.11 \| good	0.224 \| good
2026-03-09T04:00:00.000Z	71 \| moderate	20.41 \| fine	28.226 \| good	14.158 \| good	0.224 \| good	7.639 \| good	0.225 \| good
2026-03-09T05:00:00.000Z	77 \| moderate	23.016 \| fine	32.912 \| good	15.601 \| good	0.204 \| good	6.661 \| good	0.223 \| good
2026-03-09T06:00:00.000Z	79 \| moderate	23.844 \| fine	32.1 \| good	18.398 \| good	0.193 \| good	6.581 \| good	0.209 \| good
2026-03-09T07:00:00.000Z	75 \| moderate	21.881 \| fine	32.354 \| good	20.793 \| good	0.214 \| good	6.862 \| good	0.2 \| good
2026-03-09T08:00:00.000Z	73 \| moderate	21.01 \| fine	33.312 \| good	23.766 \| good	0.285 \| good	7.166 \| good	0.2 \| good
2026-03-09T09:00:00.000Z	73 \| moderate	21.314 \| fine	34.655 \| good	25.725 \| good	0.3 \| good	6.767 \| good	0.198 \| good
2026-03-09T10:00:00.000Z	73 \| moderate	21.252 \| fine	34.947 \| good	26.299 \| good	0.31 \| good	6.264 \| good	0.188 \| good
2026-03-09T11:00:00.000Z	75 \| moderate	21.85 \| fine	34.16 \| good	27.671 \| good	0.301 \| good	5.783 \| good	0.19 \| good
2026-03-09T12:00:00.000Z	75 \| moderate	22.449 \| fine	33.118 \| good	28.203 \| good	0.293 \| good	5.61 \| good	0.191 \| good
2026-03-09T13:00:00.000Z	73 \| moderate	21.126 \| fine	30.131 \| good	27.967 \| good	0.285 \| good	5.108 \| good	0.192 \| good
2026-03-09T14:00:00.000Z	71 \| moderate	19.87 \| fine	28.021 \| good	29.079 \| good	0.254 \| good	5.123 \| good	0.186 \| good
2026-03-09T15:00:00.000Z	71 \| moderate	19.525 \| fine	24.721 \| good	30.513 \| good	0.242 \| good	4.605 \| good	0.171 \| good
2026-03-09T16:00:00.000Z	67 \| moderate	18.266 \| fine	22.816 \| good	32.344 \| good	0.254 \| good	5.151 \| good	0.168 \| good
2026-03-09T17:00:00.000Z	58 \| moderate	13.096 \| fine	14.677 \| good	30.876 \| good	0.265 \| good	6.296 \| good	0.168 \| good
2026-03-09T18:00:00.000Z	60 \| moderate	13.79 \| fine	16.299 \| good	28.682 \| good	0.337 \| good	8.921 \| good	0.174 \| good
2026-03-09T19:00:00.000Z	67 \| moderate	17.866 \| fine	22.095 \| good	24.824 \| good	0.479 \| good	10.518 \| good	0.189 \| good
2026-03-09T20:00:00.000Z	69 \| moderate	19.285 \| fine	23.336 \| good	23.429 \| good	0.683 \| good	9.455 \| good	0.203 \| good
2026-03-09T21:00:00.000Z	69 \| moderate	19.004 \| fine	24.113 \| good	25.353 \| good	0.815 \| good	9.275 \| good	0.205 \| good
2026-03-09T22:00:00.000Z	69 \| moderate	18.652 \| fine	24.07 \| good	23.257 \| good	0.846 \| good	9.799 \| good	0.198 \| good
2026-03-09T23:00:00.000Z	67 \| moderate	18.482 \| fine	23.424 \| good	22.598 \| good	0.761 \| good	8.368 \| good	0.195 \| good

Cardiff

Empower business decisions with accurate air quality data

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

0.31ppm

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 10:00:00, 2026-03-07.

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

The best air quality in Cardiff, Wales was observed at 06:00:00 on 2026-03-07.

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 5.66 μg/m³.

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

Cardiff, Wales currently has a PM₁₀ concentration of 24.943 μg/m³.

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

The current carbon monoxide (CO) level in Cardiff, Wales is 0.371 ppm.

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

The current sulfur dioxide (SO₂) concentration in Cardiff, Wales is 0.382 ppb.

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

Cardiff, Wales currently has an ozone (O₃) concentration of 21.147 ppm.

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

The current level of nitrogen dioxide (NO₂) in Cardiff, Wales is 14.755 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-06T00:00:00.000Z	54 \| moderate	11.413 \| good	50.711 \| good	23.383 \| good	0.44 \| good	18.643 \| good	0.763 \| good
2026-03-06T01:00:00.000Z	54 \| moderate	11.432 \| good	50.662 \| good	19.351 \| good	0.488 \| good	20.739 \| good	0.666 \| good
2026-03-06T02:00:00.000Z	56 \| moderate	11.695 \| good	51.626 \| good	18.867 \| good	0.382 \| good	18.06 \| good	0.555 \| good
2026-03-06T03:00:00.000Z	56 \| moderate	11.672 \| good	51.636 \| good	17.636 \| good	0.497 \| good	8.941 \| good	0.553 \| good
2026-03-06T04:00:00.000Z	54 \| moderate	11.358 \| good	50.659 \| good	27.246 \| good	0.441 \| good	3.705 \| good	0.459 \| good
2026-03-06T05:00:00.000Z	54 \| moderate	10.965 \| good	48.686 \| good	28.789 \| good	0.516 \| good	2.647 \| good	0.481 \| good
2026-03-06T06:00:00.000Z	54 \| moderate	10.65 \| good	47.718 \| good	30.917 \| good	0.512 \| good	2.123 \| good	0.483 \| good
2026-03-06T07:00:00.000Z	52 \| moderate	10.15 \| good	44.72 \| good	34.42 \| good	0.445 \| good	5.794 \| good	0.132 \| good
2026-03-06T08:00:00.000Z	52 \| moderate	9.752 \| good	42.722 \| good	30.434 \| good	0.444 \| good	8.943 \| good	0.167 \| good
2026-03-06T09:00:00.000Z	49 \| good	9.241 \| good	40.736 \| good	35.59 \| good	0.444 \| good	20.447 \| good	0.173 \| good
2026-03-06T10:00:00.000Z	49 \| good	8.718 \| good	38.765 \| good	35.674 \| good	0.535 \| good	20.483 \| good	0.147 \| good
2026-03-06T11:00:00.000Z	44 \| good	8.234 \| good	36.775 \| good	35.429 \| good	0.441 \| good	17.877 \| good	0.119 \| good
2026-03-06T12:00:00.000Z	44 \| good	7.722 \| good	34.8 \| good	35.48 \| good	0.382 \| good	14.737 \| good	0.096 \| good
2026-03-06T13:00:00.000Z	44 \| good	7.703 \| good	34.77 \| good	35.217 \| good	0.442 \| good	15.229 \| good	0.073 \| good
2026-03-06T14:00:00.000Z	38 \| good	7.484 \| good	33.768 \| good	36.275 \| good	0.5 \| good	15.747 \| good	0.063 \| good
2026-03-06T15:00:00.000Z	38 \| good	7.477 \| good	32.771 \| good	33.655 \| good	0.452 \| good	14.687 \| good	0.06 \| good
2026-03-06T16:00:00.000Z	38 \| good	6.972 \| good	30.786 \| good	34.458 \| good	0.382 \| good	10.527 \| good	0.067 \| good
2026-03-06T17:00:00.000Z	38 \| good	6.758 \| good	29.77 \| good	32.039 \| good	0.382 \| good	17.867 \| good	0.08 \| good
2026-03-06T18:00:00.000Z	33 \| good	6.054 \| good	26.809 \| good	29.981 \| good	0.472 \| good	18.898 \| good	0.085 \| good
2026-03-06T19:00:00.000Z	33 \| good	5.746 \| good	25.792 \| good	30.199 \| good	0.382 \| good	18.903 \| good	0.12 \| good
2026-03-06T20:00:00.000Z	33 \| good	5.744 \| good	25.771 \| good	30.776 \| good	0.382 \| good	11.614 \| good	0.287 \| good
2026-03-06T21:00:00.000Z	30 \| good	5.239 \| good	23.813 \| good	32.494 \| good	0.382 \| good	14.752 \| good	0.379 \| good
2026-03-06T22:00:00.000Z	29 \| good	5.038 \| good	22.818 \| good	30.912 \| good	0.382 \| good	17.355 \| good	0.248 \| good
2026-03-06T23:00:00.000Z	28 \| good	4.828 \| good	21.799 \| good	30.31 \| good	0.382 \| good	12.651 \| good	0.308 \| good
2026-03-07T00:00:00.000Z	27 \| good	4.529 \| good	20.793 \| good	29.43 \| good	0.382 \| good	14.194 \| good	0.934 \| good
2026-03-07T01:00:00.000Z	27 \| good	4.513 \| good	19.794 \| good	29.136 \| good	0.382 \| good	10.523 \| good	0.792 \| good
2026-03-07T02:00:00.000Z	28 \| good	4.317 \| good	18.8 \| good	30.083 \| good	0.382 \| good	9.463 \| good	0.74 \| good
2026-03-07T03:00:00.000Z	25 \| good	4.012 \| good	17.832 \| good	26.967 \| good	0.382 \| good	6.85 \| good	0.6 \| good
2026-03-07T04:00:00.000Z	26 \| good	4.02 \| good	17.833 \| good	28.196 \| good	0.382 \| good	6.333 \| good	0.549 \| good
2026-03-07T05:00:00.000Z	27 \| good	4.025 \| good	17.832 \| good	28.961 \| good	0.382 \| good	4.774 \| good	0.499 \| good
2026-03-07T06:00:00.000Z	22 \| good	4.348 \| good	18.826 \| good	24.12 \| good	0.382 \| good	4.257 \| good	0.462 \| good
2026-03-07T07:00:00.000Z	27 \| good	4.545 \| good	19.81 \| good	24.211 \| good	0.382 \| good	4.27 \| good	0.2 \| good
2026-03-07T08:00:00.000Z	27 \| good	4.574 \| good	20.832 \| good	23.021 \| good	0.382 \| good	5.844 \| good	0.181 \| good
2026-03-07T09:00:00.000Z	27 \| good	4.89 \| good	21.83 \| good	24.652 \| good	0.541 \| good	7.945 \| good	0.164 \| good
2026-03-07T10:00:00.000Z	27 \| good	5.091 \| good	22.818 \| good	23.473 \| good	0.464 \| good	11.609 \| good	0.124 \| good
2026-03-07T11:00:00.000Z	27 \| good	5.298 \| good	23.827 \| good	20.287 \| good	0.463 \| good	12.128 \| good	0.093 \| good
2026-03-07T12:00:00.000Z	33 \| good	5.603 \| good	24.831 \| good	17.225 \| good	0.382 \| good	10.557 \| good	0.079 \| good
2026-03-07T13:00:00.000Z	27 \| good	5.321 \| good	23.852 \| good	17.294 \| good	0.382 \| good	12.134 \| good	0.065 \| good
2026-03-07T14:00:00.000Z	27 \| good	5.331 \| good	23.848 \| good	16.424 \| good	0.382 \| good	13.711 \| good	0.063 \| good
2026-03-07T15:00:00.000Z	27 \| good	5.366 \| good	23.878 \| good	19.552 \| good	0.382 \| good	14.234 \| good	0.064 \| good
2026-03-07T16:00:00.000Z	27 \| good	5.381 \| good	23.914 \| good	20.668 \| good	0.45 \| good	14.223 \| good	0.07 \| good
2026-03-07T17:00:00.000Z	27 \| good	5.351 \| good	23.93 \| good	19.94 \| good	0.382 \| good	15.788 \| good	0.102 \| good
2026-03-07T18:00:00.000Z	33 \| good	5.674 \| good	24.913 \| good	19.93 \| good	0.382 \| good	18.41 \| good	0.105 \| good
2026-03-07T19:00:00.000Z	33 \| good	5.685 \| good	24.924 \| good	20.581 \| good	0.452 \| good	18.944 \| good	0.131 \| good
2026-03-07T20:00:00.000Z	33 \| good	5.684 \| good	24.907 \| good	21.902 \| good	0.452 \| good	16.361 \| good	0.221 \| good
2026-03-07T21:00:00.000Z	33 \| good	5.692 \| good	24.927 \| good	17.258 \| good	0.454 \| good	17.92 \| good	0.312 \| good
2026-03-07T22:00:00.000Z	33 \| good	5.688 \| good	24.922 \| good	19.361 \| good	0.382 \| good	17.902 \| good	0.327 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.66 \| good	24.943 \| good	21.147 \| good	0.382 \| good	14.755 \| good	0.371 \| good
2026-03-07T23:00:00.000Z	33 \| good	5.66 \| good	24.943 \| good	21.147 \| good	0.382 \| good	14.755 \| good	0.371 \| good
2026-03-08T00:00:00.000Z	73 \| moderate	21.225 \| fine	25.711 \| good	8.164 \| good	0.443 \| good	17.06 \| good	0.214 \| good
2026-03-08T01:00:00.000Z	77 \| moderate	22.552 \| fine	27.246 \| good	7.12 \| good	0.396 \| good	17.131 \| good	0.214 \| good
2026-03-08T02:00:00.000Z	77 \| moderate	22.766 \| fine	28.309 \| good	5.033 \| good	0.411 \| good	17.638 \| good	0.209 \| good
2026-03-08T03:00:00.000Z	77 \| moderate	22.803 \| fine	28.66 \| good	5.006 \| good	0.399 \| good	17.572 \| good	0.209 \| good
2026-03-08T04:00:00.000Z	77 \| moderate	23.381 \| fine	29.169 \| good	9.632 \| good	0.41 \| good	16.043 \| good	0.205 \| good
2026-03-08T05:00:00.000Z	81 \| moderate	24.634 \| fine	31.331 \| good	12.81 \| good	0.38 \| good	14.964 \| good	0.197 \| good
2026-03-08T06:00:00.000Z	84 \| moderate	26.539 \| fine	33.434 \| good	16.423 \| good	0.245 \| good	10.039 \| good	0.188 \| good
2026-03-08T07:00:00.000Z	88 \| moderate	28.584 \| fine	35.277 \| good	19.387 \| good	0.23 \| good	7.009 \| good	0.188 \| good
2026-03-08T08:00:00.000Z	86 \| moderate	28.357 \| fine	37.461 \| good	18.906 \| good	0.282 \| good	6.851 \| good	0.189 \| good
2026-03-08T09:00:00.000Z	84 \| moderate	26.714 \| fine	37.849 \| good	19.117 \| good	0.313 \| good	7.002 \| good	0.194 \| good
2026-03-08T10:00:00.000Z	84 \| moderate	27.48 \| fine	37.875 \| good	17.615 \| good	0.348 \| good	7.735 \| good	0.202 \| good
2026-03-08T11:00:00.000Z	86 \| moderate	27.835 \| fine	38.755 \| good	17.216 \| good	0.372 \| good	8.122 \| good	0.209 \| good
2026-03-08T12:00:00.000Z	90 \| moderate	29.764 \| fine	40.101 \| good	16.274 \| good	0.346 \| good	7.9 \| good	0.212 \| good
2026-03-08T13:00:00.000Z	96 \| moderate	33.39 \| fine	42.51 \| good	15.928 \| good	0.328 \| good	7.271 \| good	0.216 \| good
2026-03-08T14:00:00.000Z	99 \| moderate	34.898 \| fine	44.88 \| good	16.23 \| good	0.386 \| good	7.651 \| good	0.222 \| good
2026-03-08T15:00:00.000Z	102 \| sensitive	35.966 \| moderate	46.705 \| good	16.637 \| good	0.411 \| good	8.262 \| good	0.228 \| good
2026-03-08T16:00:00.000Z	97 \| moderate	33.585 \| fine	48.195 \| good	17.233 \| good	0.381 \| good	8.015 \| good	0.225 \| good
2026-03-08T17:00:00.000Z	99 \| moderate	34.976 \| fine	50.27 \| good	17.88 \| good	0.362 \| good	10.048 \| good	0.229 \| good
2026-03-08T18:00:00.000Z	112 \| sensitive	40.097 \| moderate	50.991 \| good	17.878 \| good	0.362 \| good	12.36 \| good	0.232 \| good
2026-03-08T19:00:00.000Z	90 \| moderate	29.806 \| fine	46.147 \| good	18.319 \| good	0.34 \| good	12.373 \| good	0.227 \| good
2026-03-08T20:00:00.000Z	84 \| moderate	27.467 \| fine	43.815 \| good	18.153 \| good	0.341 \| good	10.6 \| good	0.22 \| good
2026-03-08T21:00:00.000Z	82 \| moderate	26.061 \| fine	44.508 \| good	19.354 \| good	0.348 \| good	9.368 \| good	0.208 \| good
2026-03-08T22:00:00.000Z	84 \| moderate	26.777 \| fine	44.532 \| good	18.508 \| good	0.317 \| good	8.122 \| good	0.206 \| good
2026-03-08T23:00:00.000Z	88 \| moderate	28.524 \| fine	43.364 \| good	16.444 \| good	0.276 \| good	7.451 \| good	0.208 \| good
2026-03-09T00:00:00.000Z	92 \| moderate	30.66 \| fine	42.514 \| good	15.179 \| good	0.209 \| good	7.501 \| good	0.213 \| good
2026-03-09T01:00:00.000Z	94 \| moderate	31.988 \| fine	43.024 \| good	14.06 \| good	0.214 \| good	7.997 \| good	0.217 \| good
2026-03-09T02:00:00.000Z	88 \| moderate	28.952 \| fine	42.34 \| good	12.891 \| good	0.205 \| good	8.257 \| good	0.22 \| good
2026-03-09T03:00:00.000Z	73 \| moderate	21.319 \| fine	35.891 \| good	13.512 \| good	0.201 \| good	8.11 \| good	0.224 \| good
2026-03-09T04:00:00.000Z	71 \| moderate	20.41 \| fine	28.226 \| good	14.158 \| good	0.224 \| good	7.639 \| good	0.225 \| good
2026-03-09T05:00:00.000Z	77 \| moderate	23.016 \| fine	32.912 \| good	15.601 \| good	0.204 \| good	6.661 \| good	0.223 \| good
2026-03-09T06:00:00.000Z	79 \| moderate	23.844 \| fine	32.1 \| good	18.398 \| good	0.193 \| good	6.581 \| good	0.209 \| good
2026-03-09T07:00:00.000Z	75 \| moderate	21.881 \| fine	32.354 \| good	20.793 \| good	0.214 \| good	6.862 \| good	0.2 \| good
2026-03-09T08:00:00.000Z	73 \| moderate	21.01 \| fine	33.312 \| good	23.766 \| good	0.285 \| good	7.166 \| good	0.2 \| good
2026-03-09T09:00:00.000Z	73 \| moderate	21.314 \| fine	34.655 \| good	25.725 \| good	0.3 \| good	6.767 \| good	0.198 \| good
2026-03-09T10:00:00.000Z	73 \| moderate	21.252 \| fine	34.947 \| good	26.299 \| good	0.31 \| good	6.264 \| good	0.188 \| good
2026-03-09T11:00:00.000Z	75 \| moderate	21.85 \| fine	34.16 \| good	27.671 \| good	0.301 \| good	5.783 \| good	0.19 \| good
2026-03-09T12:00:00.000Z	75 \| moderate	22.449 \| fine	33.118 \| good	28.203 \| good	0.293 \| good	5.61 \| good	0.191 \| good
2026-03-09T13:00:00.000Z	73 \| moderate	21.126 \| fine	30.131 \| good	27.967 \| good	0.285 \| good	5.108 \| good	0.192 \| good
2026-03-09T14:00:00.000Z	71 \| moderate	19.87 \| fine	28.021 \| good	29.079 \| good	0.254 \| good	5.123 \| good	0.186 \| good
2026-03-09T15:00:00.000Z	71 \| moderate	19.525 \| fine	24.721 \| good	30.513 \| good	0.242 \| good	4.605 \| good	0.171 \| good
2026-03-09T16:00:00.000Z	67 \| moderate	18.266 \| fine	22.816 \| good	32.344 \| good	0.254 \| good	5.151 \| good	0.168 \| good
2026-03-09T17:00:00.000Z	58 \| moderate	13.096 \| fine	14.677 \| good	30.876 \| good	0.265 \| good	6.296 \| good	0.168 \| good
2026-03-09T18:00:00.000Z	60 \| moderate	13.79 \| fine	16.299 \| good	28.682 \| good	0.337 \| good	8.921 \| good	0.174 \| good
2026-03-09T19:00:00.000Z	67 \| moderate	17.866 \| fine	22.095 \| good	24.824 \| good	0.479 \| good	10.518 \| good	0.189 \| good
2026-03-09T20:00:00.000Z	69 \| moderate	19.285 \| fine	23.336 \| good	23.429 \| good	0.683 \| good	9.455 \| good	0.203 \| good
2026-03-09T21:00:00.000Z	69 \| moderate	19.004 \| fine	24.113 \| good	25.353 \| good	0.815 \| good	9.275 \| good	0.205 \| good
2026-03-09T22:00:00.000Z	69 \| moderate	18.652 \| fine	24.07 \| good	23.257 \| good	0.846 \| good	9.799 \| good	0.198 \| good
2026-03-09T23:00:00.000Z	67 \| moderate	18.482 \| fine	23.424 \| good	22.598 \| good	0.761 \| good	8.368 \| good	0.195 \| 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?