What are the current PM10 levels at Carlsbad, California?

The current PM10 levels in Carlsbad, California are 18.12 μg/m3.

What are the current sulfur dioxide (SO2) levels at Carlsbad, California?

The current sulfur dioxide (SO2) levels in Carlsbad, California are 0.941 ppb.

What are the current ozone (O3) levels at Carlsbad, California?

The current ozone (O3) levels at Carlsbad, California is 28.236 ppm.

What are the current nitrogen dioxide (NO2) levels at Carlsbad, California?

The current nitrogen dioxide (NO2) levels at Carlsbad, California is 25.463 ppb.

Real-time air quality index in Carlsbad, California today

Q: What are the current PM2.5 levels in Carlsbad, California?

The measured PM2.5 levels in Carlsbad, California at present are 12.174 μg/m3.

Stay updated with real-time air quality in Carlsbad, California 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)

Moderate

Carlsbad, California

Last updated: ... (Local time)

Common air pollutants in Carlsbad, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.12 μg/m³

155

255

425

605+

Ozone (O₃)

28.24 ppb

201

201+

Sulfur Dioxide (SO₂)

0.94 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

25.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.88 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Carlsbad, California

Scroll To Air Quality Map

Track live Carlsbad, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-11T10:00:00.000Z	49 \| good	9.059 \| good	21.504 \| good	17.678 \| good	0.786 \| good	25.003 \| good	0.696 \| good
2025-12-11T11:00:00.000Z	44 \| good	7.722 \| good	19.115 \| good	15.032 \| good	0.854 \| good	22.848 \| good	0.626 \| good
2025-12-11T12:00:00.000Z	38 \| good	6.51 \| good	16.327 \| good	10.462 \| good	0.754 \| good	24.16 \| good	0.656 \| good
2025-12-11T13:00:00.000Z	38 \| good	6.51 \| good	16.327 \| good	10.414 \| good	0.78 \| good	23.972 \| good	0.656 \| good
2025-12-11T14:00:00.000Z	27 \| good	4.616 \| good	15.216 \| good	10.518 \| good	0.811 \| good	20.163 \| good	0.768 \| good
2025-12-11T15:00:00.000Z	22 \| good	4.05 \| good	14.323 \| good	11.501 \| good	1.034 \| good	21.21 \| good	0.953 \| good
2025-12-11T16:00:00.000Z	22 \| good	3.872 \| good	13.999 \| good	14.385 \| good	1.189 \| good	23.117 \| good	1.169 \| good
2025-12-11T17:00:00.000Z	24 \| good	3.97 \| good	15.916 \| good	15.58 \| good	1.235 \| good	25.447 \| good	1.04 \| good
2025-12-11T18:00:00.000Z	23 \| good	3.992 \| good	19.477 \| good	17.183 \| good	1.029 \| good	23.672 \| good	0.705 \| good
2025-12-11T19:00:00.000Z	27 \| good	4.822 \| good	22.143 \| good	22.266 \| good	1.112 \| good	26.251 \| good	0.468 \| good
2025-12-11T20:00:00.000Z	27 \| good	4.987 \| good	21.91 \| good	22.998 \| good	1.298 \| good	25.266 \| good	0.384 \| good
2025-12-11T21:00:00.000Z	27 \| good	5.135 \| good	20.284 \| good	28.365 \| good	0.777 \| good	21.262 \| good	0.333 \| good
2025-12-11T22:00:00.000Z	28 \| good	5.418 \| good	21.14 \| good	29.993 \| good	0.46 \| good	23.65 \| good	0.349 \| good
2025-12-11T23:00:00.000Z	33 \| good	5.553 \| good	20.117 \| good	30.358 \| good	0.366 \| good	13.098 \| good	0.279 \| good
2025-12-12T00:00:00.000Z	33 \| good	5.525 \| good	18.306 \| good	28.565 \| good	0.3 \| good	12.675 \| good	0.367 \| good
2025-12-12T01:00:00.000Z	33 \| good	5.74 \| good	17.705 \| good	26.021 \| good	0.381 \| good	19.695 \| good	0.497 \| good
2025-12-12T02:00:00.000Z	44 \| good	8.064 \| good	24.415 \| good	21.83 \| good	0.502 \| good	26.654 \| good	0.572 \| good
2025-12-12T03:00:00.000Z	86 \| moderate	28.459 \| fine	123.945 \| fine	14.651 \| good	3.264 \| good	29.216 \| good	0.425 \| good
2025-12-12T04:00:00.000Z	49 \| good	8.911 \| good	22.225 \| good	19.529 \| good	0.888 \| good	33.864 \| good	0.827 \| good
2025-12-12T05:00:00.000Z	44 \| good	7.637 \| good	19.504 \| good	17.537 \| good	0.991 \| good	33.9 \| good	0.891 \| good
2025-12-12T06:00:00.000Z	44 \| good	7.501 \| good	20.105 \| good	16.024 \| good	0.809 \| good	32.631 \| good	0.893 \| good
2025-12-12T07:00:00.000Z	44 \| good	7.803 \| good	21.526 \| good	15.722 \| good	0.806 \| good	32.277 \| good	0.89 \| good
2025-12-12T08:00:00.000Z	44 \| good	8.375 \| good	22.023 \| good	13.583 \| good	0.873 \| good	26.724 \| good	0.877 \| good
2025-12-12T09:00:00.000Z	44 \| good	8.367 \| good	21.922 \| good	10.728 \| good	0.889 \| good	27.492 \| good	0.905 \| good
2025-12-12T10:00:00.000Z	44 \| good	8.102 \| good	21.007 \| good	10.764 \| good	0.922 \| good	27.31 \| good	0.842 \| good
2025-12-12T11:00:00.000Z	38 \| good	7.475 \| good	18.914 \| good	10.992 \| good	0.874 \| good	25.298 \| good	0.739 \| good
2025-12-12T12:00:00.000Z	38 \| good	6.747 \| good	17.835 \| good	10.996 \| good	0.775 \| good	18.309 \| good	0.692 \| good
2025-12-12T13:00:00.000Z	38 \| good	6.777 \| good	18.025 \| good	10.881 \| good	0.772 \| good	16.984 \| good	0.692 \| good
2025-12-12T14:00:00.000Z	33 \| good	6.081 \| good	17.423 \| good	13.948 \| good	0.856 \| good	17.871 \| good	0.807 \| good
2025-12-12T15:00:00.000Z	33 \| good	5.966 \| good	16.596 \| good	13.812 \| good	1.062 \| good	21.013 \| good	1.02 \| good
2025-12-12T16:00:00.000Z	33 \| good	5.682 \| good	17.422 \| good	14.679 \| good	1.354 \| good	19.987 \| good	1.209 \| good
2025-12-12T17:00:00.000Z	33 \| good	5.605 \| good	17.635 \| good	15.029 \| good	1.397 \| good	22.963 \| good	1.039 \| good
2025-12-12T18:00:00.000Z	33 \| good	6.261 \| good	20.395 \| good	17.101 \| good	1.124 \| good	21.981 \| good	0.83 \| good
2025-12-12T19:00:00.000Z	38 \| good	7.163 \| good	21.725 \| good	19.64 \| good	0.718 \| good	21.104 \| good	0.669 \| good
2025-12-12T20:00:00.000Z	38 \| good	7.316 \| good	20.421 \| good	21.407 \| good	0.736 \| good	20.8 \| good	0.57 \| good
2025-12-12T21:00:00.000Z	38 \| good	7.189 \| good	16.801 \| good	25.811 \| good	0.702 \| good	23.115 \| good	0.477 \| good
2025-12-12T22:00:00.000Z	38 \| good	6.723 \| good	15.423 \| good	31.273 \| good	0.61 \| good	15.596 \| good	0.368 \| good
2025-12-12T23:00:00.000Z	33 \| good	6.337 \| good	15.465 \| good	36.059 \| good	0.508 \| good	19.368 \| good	0.304 \| good
2025-12-13T00:00:00.000Z	33 \| good	6.263 \| good	17.37 \| good	35.226 \| good	0.449 \| good	15.379 \| good	0.412 \| good
2025-12-13T01:00:00.000Z	38 \| good	6.536 \| good	16.661 \| good	36.716 \| good	0.504 \| good	20.989 \| good	0.49 \| good
2025-12-13T02:00:00.000Z	38 \| good	6.888 \| good	15.594 \| good	37.386 \| good	0.531 \| good	27.351 \| good	0.638 \| good
2025-12-13T03:00:00.000Z	58 \| moderate	12.663 \| fine	55.825 \| fine	25.254 \| good	3.241 \| good	26.183 \| good	0.386 \| good
2025-12-13T04:00:00.000Z	52 \| moderate	10.226 \| good	16.239 \| good	33.67 \| good	0.712 \| good	27.975 \| good	0.724 \| good
2025-12-13T05:00:00.000Z	56 \| moderate	12.01 \| good	17.399 \| good	29.589 \| good	0.632 \| good	27.345 \| good	0.756 \| good
2025-12-13T06:00:00.000Z	58 \| moderate	12.744 \| fine	18.332 \| good	27.059 \| good	0.944 \| good	29.839 \| good	0.774 \| good
2025-12-13T07:00:00.000Z	58 \| moderate	12.505 \| fine	18.328 \| good	27.051 \| good	0.913 \| good	31.197 \| good	0.774 \| good
2025-12-13T08:00:00.000Z	56 \| moderate	12.174 \| fine	18.12 \| good	28.236 \| good	0.941 \| good	25.463 \| good	0.875 \| good
2025-12-13T09:00:00.000Z	52 \| moderate	9.742 \| good	14.821 \| good	23.838 \| good	0.848 \| good	22.797 \| good	0.699 \| good
2025-12-13T09:00:00.000Z	56 \| moderate	12.174 \| fine	18.12 \| good	28.236 \| good	0.941 \| good	25.463 \| good	0.875 \| good
2025-12-13T10:00:00.000Z	110 \| sensitive	38.903 \| moderate	172.339 \| moderate	19.03 \| good	1.732 \| good	18.229 \| good	0.323 \| good
2025-12-13T11:00:00.000Z	110 \| sensitive	38.991 \| moderate	171.265 \| moderate	19.648 \| good	1.717 \| good	15.839 \| good	0.294 \| good
2025-12-13T12:00:00.000Z	112 \| sensitive	40.102 \| moderate	177.633 \| moderate	20.364 \| good	1.702 \| good	13.448 \| good	0.266 \| good
2025-12-13T13:00:00.000Z	119 \| sensitive	42.799 \| moderate	191.237 \| moderate	20.46 \| good	1.721 \| good	13.365 \| good	0.269 \| good
2025-12-13T14:00:00.000Z	105 \| sensitive	36.841 \| moderate	161.437 \| moderate	16.962 \| good	1.74 \| good	13.282 \| good	0.272 \| good
2025-12-13T15:00:00.000Z	96 \| moderate	32.58 \| fine	141.113 \| fine	16.841 \| good	1.759 \| good	13.199 \| good	0.274 \| good
2025-12-13T16:00:00.000Z	86 \| moderate	28.484 \| fine	124.634 \| fine	18.935 \| good	2.118 \| good	11.991 \| good	0.269 \| good
2025-12-13T17:00:00.000Z	81 \| moderate	25.201 \| fine	109.184 \| fine	26.163 \| good	2.478 \| good	10.784 \| good	0.264 \| good
2025-12-13T18:00:00.000Z	90 \| moderate	30.447 \| fine	131.568 \| fine	37.322 \| good	2.838 \| good	9.577 \| good	0.259 \| good
2025-12-13T19:00:00.000Z	79 \| moderate	23.934 \| fine	104.2 \| fine	43.907 \| good	3.212 \| good	9.724 \| good	0.248 \| good
2025-12-13T20:00:00.000Z	56 \| moderate	12.447 \| fine	55.261 \| fine	48.823 \| good	3.586 \| good	9.871 \| good	0.238 \| good
2025-12-13T21:00:00.000Z	44 \| good	5.305 \| good	22.702 \| good	47.402 \| good	3.959 \| good	10.019 \| good	0.227 \| good
2025-12-13T22:00:00.000Z	44 \| good	4.111 \| good	17.649 \| good	47.305 \| good	4.099 \| good	14.677 \| good	0.239 \| good
2025-12-13T23:00:00.000Z	43 \| good	3.652 \| good	16.401 \| good	46.152 \| good	4.239 \| good	19.335 \| good	0.25 \| good
2025-12-14T00:00:00.000Z	33 \| good	4.349 \| good	18.922 \| good	36.291 \| good	4.379 \| good	23.993 \| good	0.262 \| good
2025-12-14T01:00:00.000Z	33 \| good	5.706 \| good	25.075 \| good	28.018 \| good	4.163 \| good	26.514 \| good	0.298 \| good
2025-12-14T02:00:00.000Z	49 \| good	8.737 \| good	38.707 \| good	14.965 \| good	3.947 \| good	29.036 \| good	0.335 \| good
2025-12-14T03:00:00.000Z	60 \| moderate	14.463 \| fine	64.43 \| fine	13.341 \| good	3.732 \| good	31.557 \| good	0.371 \| good
2025-12-14T04:00:00.000Z	73 \| moderate	20.512 \| fine	90.149 \| fine	20.906 \| good	3.45 \| good	29.926 \| good	0.39 \| good
2025-12-14T05:00:00.000Z	77 \| moderate	23.413 \| fine	102.091 \| fine	22.442 \| good	3.169 \| good	28.296 \| good	0.41 \| good
2025-12-14T06:00:00.000Z	79 \| moderate	23.907 \| fine	103.933 \| fine	18.404 \| good	2.887 \| good	26.666 \| good	0.43 \| good
2025-12-14T07:00:00.000Z	82 \| moderate	26.078 \| fine	113.716 \| fine	16.215 \| good	2.386 \| good	24.17 \| good	0.415 \| good
2025-12-14T08:00:00.000Z	99 \| moderate	35.004 \| fine	152.014 \| fine	19.904 \| good	1.885 \| good	21.675 \| good	0.4 \| good
2025-12-14T09:00:00.000Z	115 \| sensitive	41.038 \| moderate	181.618 \| moderate	20.361 \| good	1.383 \| good	19.18 \| good	0.385 \| good
2025-12-14T10:00:00.000Z	115 \| sensitive	40.917 \| moderate	181.246 \| moderate	19.478 \| good	1.185 \| good	17.465 \| good	0.363 \| good
2025-12-14T11:00:00.000Z	117 \| sensitive	41.836 \| moderate	186.506 \| moderate	20.346 \| good	0.987 \| good	15.751 \| good	0.341 \| good
2025-12-14T12:00:00.000Z	129 \| sensitive	46.8 \| moderate	210.037 \| moderate	19.532 \| good	0.789 \| good	14.037 \| good	0.319 \| good
2025-12-14T13:00:00.000Z	134 \| sensitive	49.105 \| moderate	221.075 \| moderate	17.366 \| good	0.87 \| good	13.922 \| good	0.316 \| good
2025-12-14T14:00:00.000Z	139 \| sensitive	50.697 \| moderate	229.958 \| moderate	15.387 \| good	0.952 \| good	13.808 \| good	0.314 \| good
2025-12-14T15:00:00.000Z	134 \| sensitive	48.865 \| moderate	221.116 \| moderate	15.345 \| good	1.033 \| good	13.694 \| good	0.311 \| good
2025-12-14T16:00:00.000Z	144 \| sensitive	53.023 \| moderate	240.923 \| moderate	15.948 \| good	1.304 \| good	13.337 \| good	0.301 \| good
2025-12-14T17:00:00.000Z	139 \| sensitive	50.54 \| moderate	228.303 \| moderate	26.167 \| good	1.574 \| good	12.98 \| good	0.29 \| good
2025-12-14T18:00:00.000Z	132 \| sensitive	47.791 \| moderate	215.188 \| moderate	36.592 \| good	1.845 \| good	12.623 \| good	0.28 \| good
2025-12-14T19:00:00.000Z	82 \| moderate	26.105 \| fine	113.557 \| fine	41.891 \| good	2.251 \| good	13.235 \| good	0.266 \| good
2025-12-14T20:00:00.000Z	67 \| moderate	18.278 \| fine	80.193 \| fine	45.398 \| good	2.657 \| good	13.847 \| good	0.252 \| good
2025-12-14T21:00:00.000Z	66 \| moderate	16.904 \| fine	74.925 \| fine	45.255 \| good	3.063 \| good	14.459 \| good	0.239 \| good
2025-12-14T22:00:00.000Z	69 \| moderate	18.869 \| fine	84.25 \| fine	43.696 \| good	3.253 \| good	18.092 \| good	0.248 \| good
2025-12-14T23:00:00.000Z	82 \| moderate	25.781 \| fine	112.778 \| fine	41.99 \| good	3.443 \| good	21.725 \| good	0.257 \| good
2025-12-15T00:00:00.000Z	99 \| moderate	34.646 \| fine	150.177 \| fine	31.304 \| good	3.633 \| good	25.357 \| good	0.267 \| good
2025-12-15T01:00:00.000Z	99 \| moderate	35.023 \| fine	152.328 \| fine	26.055 \| good	3.502 \| good	27.762 \| good	0.306 \| good
2025-12-15T02:00:00.000Z	97 \| moderate	33.564 \| fine	146.628 \| fine	16.998 \| good	3.372 \| good	30.166 \| good	0.346 \| good
2025-12-15T03:00:00.000Z	97 \| moderate	33.516 \| fine	145.172 \| fine	10.792 \| good	3.242 \| good	32.571 \| good	0.386 \| good
2025-12-15T04:00:00.000Z	105 \| sensitive	36.931 \| moderate	162.729 \| moderate	14.213 \| good	2.926 \| good	30.53 \| good	0.391 \| good
2025-12-15T05:00:00.000Z	112 \| sensitive	39.971 \| moderate	177.558 \| moderate	18.342 \| good	2.61 \| good	28.488 \| good	0.396 \| good
2025-12-15T06:00:00.000Z	82 \| moderate	26.061 \| fine	27.622 \| good	7.59 \| good	2.294 \| good	26.483 \| good	0.403 \| good
2025-12-15T07:00:00.000Z	119 \| sensitive	42.955 \| moderate	191.007 \| moderate	15.066 \| good	1.858 \| good	24.14 \| good	0.38 \| good
2025-12-15T08:00:00.000Z	119 \| sensitive	42.966 \| moderate	191.03 \| moderate	17.658 \| good	1.422 \| good	21.832 \| good	0.358 \| good
2025-12-15T09:00:00.000Z	115 \| sensitive	41.277 \| moderate	183.88 \| moderate	20.486 \| good	0.987 \| good	19.525 \| good	0.336 \| good

Carlsbad

Empower business decisions with accurate air quality data

Carlsbad, California air quality map: Real-time AQI near you

0.88ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

Air quality levels in US

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

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Frequently asked questions

How frequently is the air quality data for Carlsbad, California updated?

Air quality data for Carlsbad, California is updated on an hourly basis.

When did Carlsbad, California experience the worst air quality in the last 24 hours?

The worst air quality in Carlsbad, California was recorded at 07:00:00 on 2025-12-13.

When did Carlsbad, California have its best air quality in the last 24 hours?

The best air quality in Carlsbad, California was recorded at 12:00:00 on 2025-12-13.

What is the real-time air quality index for Carlsbad, California?

The real-time air quality index in Carlsbad, California is 56, currently categorized as Moderate.

Which pollutant is found most often in Carlsbad, California?

The most common pollutant in Carlsbad, California is PM2.5.

What can I do if the air quality in Carlsbad, California is poor?

If the air quality in Carlsbad, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Carlsbad, California?

The measured PM_2.5 levels in Carlsbad, California at present are 12.174 μg/m³.

What are the current PM₁₀ levels at Carlsbad, California?

The current PM₁₀ levels in Carlsbad, California are 18.12 μg/m³.

What are the current carbon monoxide (CO) levels at Carlsbad, California?

The current carbon monoxide (CO) level in Carlsbad, California is 0.875 ppm.

What are the current sulfur dioxide (SO₂) levels at Carlsbad, California?

The current sulfur dioxide (SO₂) levels in Carlsbad, California are 0.941 ppb.

What are the current ozone (O₃) levels at Carlsbad, California?

The current ozone (O₃) levels at Carlsbad, California is 28.236 ppm.

What are the current nitrogen dioxide (NO₂) levels at Carlsbad, California?

The current nitrogen dioxide (NO₂) levels at Carlsbad, California is 25.463 ppb.

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