What is the current level of PM10 in Castaic, California?

Castaic, California currently has a PM10 concentration of 17.978 μg/m3.

What is the current level of sulfur dioxide (SO2) in Castaic, California?

The current sulfur dioxide (SO2) concentration in Castaic, California is 0.447 ppb.

What is the current level of ozone (O3) in Castaic, California?

Castaic, California currently has an ozone (O3) concentration of 50.938 ppm.

What is the current level of nitrogen dioxide (NO2) in Castaic, California?

The current level of nitrogen dioxide (NO2) in Castaic, California is 2.993 ppb.

Current air quality index in Castaic, California today

Q: What is the PM2.5 concentration in Castaic, California right now?

Castaic, California currently has a PM2.5 concentration of 3.693 μg/m3.

Stay updated with real-time air quality in Castaic, 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)

Good

Castaic, California

Last updated: ... (Local time)

Common air pollutants in Castaic, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.98 μg/m³

155

255

425

605+

Ozone (O₃)

50.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

Castaic, California

Scroll To Air Quality Map

Track live Castaic, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T01:00:00.000Z	37 \| good	2.856 \| good	14.849 \| good	40.453 \| good	0.379 \| good	0.805 \| good	0.134 \| good
2026-03-08T02:00:00.000Z	39 \| good	2.135 \| good	13.475 \| good	42.392 \| good	0.368 \| good	1.029 \| good	0.156 \| good
2026-03-08T03:00:00.000Z	37 \| good	1.856 \| good	7.683 \| good	39.826 \| good	0.359 \| good	4.953 \| good	0.143 \| good
2026-03-08T04:00:00.000Z	32 \| good	1.451 \| good	7.55 \| good	34.686 \| good	0.442 \| good	2.925 \| good	0.302 \| good
2026-03-08T05:00:00.000Z	37 \| good	3.558 \| good	10.141 \| good	39.708 \| good	0.554 \| good	4.59 \| good	0.44 \| good
2026-03-08T06:00:00.000Z	39 \| good	3.468 \| good	17.395 \| good	41.573 \| good	0.449 \| good	7.008 \| good	0.577 \| good
2026-03-08T07:00:00.000Z	39 \| good	3.918 \| good	17.668 \| good	42.383 \| good	0.448 \| good	4.359 \| good	0.577 \| good
2026-03-08T08:00:00.000Z	36 \| good	3.807 \| good	15.034 \| good	38.828 \| good	0.412 \| good	3.102 \| good	0.426 \| good
2026-03-08T09:00:00.000Z	38 \| good	2.386 \| good	11.332 \| good	41.011 \| good	0.409 \| good	1.617 \| good	0.379 \| good
2026-03-08T10:00:00.000Z	37 \| good	2.426 \| good	6.59 \| good	39.63 \| good	0.405 \| good	1.701 \| good	0.362 \| good
2026-03-08T11:00:00.000Z	33 \| good	1.47 \| good	10.536 \| good	35.842 \| good	0.419 \| good	1.294 \| good	0.362 \| good
2026-03-08T12:00:00.000Z	35 \| good	1.663 \| good	7.759 \| good	37.708 \| good	0.306 \| good	3.035 \| good	0.211 \| good
2026-03-08T13:00:00.000Z	29 \| good	1.384 \| good	11.926 \| good	30.838 \| good	0.525 \| good	3.111 \| good	0.2 \| good
2026-03-08T14:00:00.000Z	34 \| good	1.168 \| good	6.951 \| good	36.783 \| good	0.47 \| good	7.155 \| good	0.621 \| good
2026-03-08T15:00:00.000Z	32 \| good	1.118 \| good	7.647 \| good	35.01 \| good	0.6 \| good	13.886 \| good	0.641 \| good
2026-03-08T16:00:00.000Z	35 \| good	1.062 \| good	9.023 \| good	37.611 \| good	0.516 \| good	11.64 \| good	0.618 \| good
2026-03-08T17:00:00.000Z	34 \| good	2.032 \| good	3.991 \| good	36.789 \| good	0.504 \| good	8.135 \| good	0.44 \| good
2026-03-08T18:00:00.000Z	38 \| good	5.104 \| good	20.327 \| good	41.171 \| good	0.48 \| good	6.216 \| good	0.345 \| good
2026-03-08T19:00:00.000Z	36 \| good	1.904 \| good	10.187 \| good	38.939 \| good	0.495 \| good	4.639 \| good	0.243 \| good
2026-03-08T20:00:00.000Z	39 \| good	3.794 \| good	14.601 \| good	42.413 \| good	0.434 \| good	2.967 \| good	0.188 \| good
2026-03-08T21:00:00.000Z	42 \| good	1.856 \| good	8.536 \| good	44.546 \| good	0.471 \| good	1.404 \| good	0.14 \| good
2026-03-08T22:00:00.000Z	41 \| good	1.908 \| good	7.444 \| good	44.464 \| good	0.711 \| good	1.33 \| good	0.14 \| good
2026-03-08T23:00:00.000Z	41 \| good	1.169 \| good	11.719 \| good	43.554 \| good	0.437 \| good	1.158 \| good	0.133 \| good
2026-03-09T00:00:00.000Z	42 \| good	1.2 \| good	11.103 \| good	44.687 \| good	0.401 \| good	2.453 \| good	0.15 \| good
2026-03-09T01:00:00.000Z	42 \| good	1.756 \| good	8.714 \| good	45.325 \| good	0.516 \| good	4.116 \| good	0.133 \| good
2026-03-09T02:00:00.000Z	39 \| good	0.628 \| good	7.599 \| good	42.122 \| good	0.503 \| good	3.935 \| good	0.173 \| good
2026-03-09T03:00:00.000Z	33 \| good	2.669 \| good	10.802 \| good	35.501 \| good	0.622 \| good	14.322 \| good	0.202 \| good
2026-03-09T04:00:00.000Z	35 \| good	2.126 \| good	11.127 \| good	38.358 \| good	0.497 \| good	9.472 \| good	0.584 \| good
2026-03-09T05:00:00.000Z	29 \| good	3.964 \| good	18.932 \| good	31.33 \| good	0.614 \| good	15.855 \| good	0.484 \| good
2026-03-09T06:00:00.000Z	36 \| good	4.567 \| good	21.925 \| good	39.043 \| good	0.439 \| good	15.345 \| good	0.33 \| good
2026-03-09T07:00:00.000Z	31 \| good	2.98 \| good	13.995 \| good	32.845 \| good	0.447 \| good	17.823 \| good	0.313 \| good
2026-03-09T08:00:00.000Z	29 \| good	4.995 \| good	18.458 \| good	30.904 \| good	0.584 \| good	11.924 \| good	0.27 \| good
2026-03-09T09:00:00.000Z	31 \| good	3.524 \| good	14.187 \| good	34.204 \| good	0.547 \| good	10.825 \| good	0.196 \| good
2026-03-09T10:00:00.000Z	33 \| good	3.833 \| good	16.056 \| good	35.867 \| good	0.49 \| good	10.025 \| good	0.181 \| good
2026-03-09T11:00:00.000Z	24 \| good	2.69 \| good	15.402 \| good	25.515 \| good	0.525 \| good	4.843 \| good	0.217 \| good
2026-03-09T12:00:00.000Z	18 \| good	1.914 \| good	15.793 \| good	18.533 \| good	0.438 \| good	6.259 \| good	0.264 \| good
2026-03-09T13:00:00.000Z	21 \| good	3.032 \| good	16.042 \| good	22.928 \| good	0.439 \| good	4.256 \| good	0.264 \| good
2026-03-09T14:00:00.000Z	44 \| good	7.998 \| good	17.007 \| good	28.425 \| good	0.489 \| good	10.295 \| good	0.564 \| good
2026-03-09T15:00:00.000Z	38 \| good	6.838 \| good	19.603 \| good	17.441 \| good	0.568 \| good	19.312 \| good	0.624 \| good
2026-03-09T16:00:00.000Z	38 \| good	6.593 \| good	27.289 \| good	27.439 \| good	0.645 \| good	18.668 \| good	0.529 \| good
2026-03-09T17:00:00.000Z	33 \| good	6.052 \| good	33.837 \| good	30.004 \| good	0.71 \| good	11.24 \| good	0.31 \| good
2026-03-09T18:00:00.000Z	38 \| good	6.529 \| good	28.146 \| good	30.283 \| good	0.542 \| good	6.388 \| good	0.224 \| good
2026-03-09T19:00:00.000Z	38 \| good	7.263 \| good	28.53 \| good	33.815 \| good	0.53 \| good	10.39 \| good	0.193 \| good
2026-03-09T20:00:00.000Z	34 \| good	5.973 \| good	27.043 \| good	37.247 \| good	0.534 \| good	6.937 \| good	0.21 \| good
2026-03-09T21:00:00.000Z	40 \| good	7.025 \| good	29.167 \| good	43.163 \| good	0.576 \| good	7.338 \| good	0.227 \| good
2026-03-09T22:00:00.000Z	42 \| good	6.55 \| good	25.989 \| good	45.473 \| good	0.469 \| good	3.645 \| good	0.227 \| good
2026-03-09T23:00:00.000Z	47 \| good	3.521 \| good	23.901 \| good	50.723 \| good	0.487 \| good	5.178 \| good	0.25 \| good
2026-03-10T00:00:00.000Z	47 \| good	3.693 \| good	17.978 \| good	50.938 \| good	0.447 \| good	2.993 \| good	0.241 \| good
2026-03-10T00:00:00.000Z	47 \| good	3.693 \| good	17.978 \| good	50.938 \| good	0.447 \| good	2.993 \| good	0.241 \| good
2026-03-10T01:00:00.000Z	39 \| good	4.759 \| good	20.897 \| good	41.919 \| good	1.334 \| good	4.736 \| good	0.147 \| good
2026-03-10T02:00:00.000Z	35 \| good	3.201 \| good	13.779 \| good	37.52 \| good	1.289 \| good	7.08 \| good	0.159 \| good
2026-03-10T03:00:00.000Z	34 \| good	4 \| good	17.658 \| good	37.249 \| good	1.243 \| good	9.425 \| good	0.171 \| good
2026-03-10T04:00:00.000Z	31 \| good	3.737 \| good	16.528 \| good	32.596 \| good	1.472 \| good	13.201 \| good	0.196 \| good
2026-03-10T05:00:00.000Z	27 \| good	3.29 \| good	14.531 \| good	29.069 \| good	1.701 \| good	16.978 \| good	0.22 \| good
2026-03-10T06:00:00.000Z	24 \| good	4.217 \| good	18.567 \| good	26.087 \| good	1.93 \| good	20.754 \| good	0.245 \| good
2026-03-10T07:00:00.000Z	22 \| good	3.516 \| good	15.32 \| good	22.116 \| good	1.962 \| good	21.158 \| good	0.246 \| good
2026-03-10T08:00:00.000Z	22 \| good	4.322 \| good	19.104 \| good	22.226 \| good	1.995 \| good	21.561 \| good	0.247 \| good
2026-03-10T09:00:00.000Z	22 \| good	4.122 \| good	18.089 \| good	21.792 \| good	2.028 \| good	21.965 \| good	0.248 \| good
2026-03-10T10:00:00.000Z	24 \| good	3.978 \| good	17.239 \| good	26.082 \| good	1.97 \| good	20.928 \| good	0.238 \| good
2026-03-10T11:00:00.000Z	23 \| good	3.041 \| good	12.329 \| good	24.587 \| good	1.912 \| good	19.891 \| good	0.229 \| good
2026-03-10T12:00:00.000Z	19 \| good	1.542 \| good	6.202 \| good	20.305 \| good	1.854 \| good	18.854 \| good	0.22 \| good
2026-03-10T13:00:00.000Z	21 \| good	0.677 \| good	2.266 \| good	23.268 \| good	1.847 \| good	17.875 \| good	0.23 \| good
2026-03-10T14:00:00.000Z	24 \| good	4.178 \| good	18.416 \| good	25.578 \| good	1.84 \| good	16.897 \| good	0.241 \| good
2026-03-10T15:00:00.000Z	27 \| good	4.347 \| good	18.906 \| good	28.767 \| good	1.833 \| good	15.918 \| good	0.251 \| good
2026-03-10T16:00:00.000Z	30 \| good	5.172 \| good	22.241 \| good	31.96 \| good	2.099 \| good	12.794 \| good	0.22 \| good
2026-03-10T17:00:00.000Z	32 \| good	5.11 \| good	21.993 \| good	35.474 \| good	2.366 \| good	9.67 \| good	0.189 \| good
2026-03-10T18:00:00.000Z	37 \| good	6.01 \| good	26.617 \| good	40.238 \| good	2.632 \| good	6.545 \| good	0.157 \| good
2026-03-10T19:00:00.000Z	41 \| good	7.063 \| good	31.552 \| good	43.671 \| good	2.449 \| good	5.818 \| good	0.155 \| good
2026-03-10T20:00:00.000Z	45 \| good	7.611 \| good	33.771 \| good	48.649 \| good	2.266 \| good	5.091 \| good	0.153 \| good
2026-03-10T21:00:00.000Z	45 \| good	6.447 \| good	28.818 \| good	48.797 \| good	2.083 \| good	4.363 \| good	0.151 \| good
2026-03-10T22:00:00.000Z	44 \| good	5.881 \| good	25.15 \| good	47.215 \| good	1.856 \| good	3.984 \| good	0.148 \| good
2026-03-10T23:00:00.000Z	43 \| good	4.969 \| good	21.256 \| good	45.987 \| good	1.63 \| good	3.606 \| good	0.146 \| good
2026-03-11T00:00:00.000Z	45 \| good	4.676 \| good	20.128 \| good	48.974 \| good	1.404 \| good	3.227 \| good	0.144 \| good
2026-03-11T01:00:00.000Z	44 \| good	4.363 \| good	18.897 \| good	46.711 \| good	1.494 \| good	5.533 \| good	0.155 \| good
2026-03-11T02:00:00.000Z	33 \| good	3.346 \| good	14.87 \| good	36.388 \| good	1.584 \| good	7.84 \| good	0.166 \| good
2026-03-11T03:00:00.000Z	34 \| good	4.169 \| good	17.988 \| good	37.401 \| good	1.675 \| good	10.146 \| good	0.178 \| good
2026-03-11T04:00:00.000Z	32 \| good	3.245 \| good	13.995 \| good	34.661 \| good	1.886 \| good	13.167 \| good	0.196 \| good
2026-03-11T05:00:00.000Z	29 \| good	2.617 \| good	10.947 \| good	30.731 \| good	2.098 \| good	16.189 \| good	0.214 \| good
2026-03-11T06:00:00.000Z	62 \| moderate	15.465 \| fine	21.231 \| good	19.073 \| good	2.228 \| good	18.733 \| good	0.23 \| good
2026-03-11T07:00:00.000Z	20 \| good	1.501 \| good	6.226 \| good	22.303 \| good	2.341 \| good	19.836 \| good	0.239 \| good
2026-03-11T08:00:00.000Z	33 \| good	6.126 \| good	27.363 \| good	21.752 \| good	2.373 \| good	20.462 \| good	0.245 \| good
2026-03-11T09:00:00.000Z	44 \| good	8.119 \| good	35.676 \| good	25.672 \| good	2.406 \| good	21.088 \| good	0.251 \| good
2026-03-11T10:00:00.000Z	20 \| good	2.535 \| good	10.463 \| good	22.004 \| good	2.09 \| good	19.553 \| good	0.246 \| good
2026-03-11T11:00:00.000Z	21 \| good	2.508 \| good	10.745 \| good	22.591 \| good	1.774 \| good	18.017 \| good	0.241 \| good
2026-03-11T12:00:00.000Z	66 \| moderate	17.136 \| fine	19.608 \| good	18.511 \| good	1.423 \| good	16.216 \| good	0.234 \| good
2026-03-11T13:00:00.000Z	64 \| moderate	16.231 \| fine	18.476 \| good	19.384 \| good	1.383 \| good	14.847 \| good	0.237 \| good
2026-03-11T14:00:00.000Z	64 \| moderate	15.884 \| fine	18.044 \| good	20.258 \| good	1.343 \| good	13.477 \| good	0.24 \| good
2026-03-11T15:00:00.000Z	66 \| moderate	16.835 \| fine	19.014 \| good	21.132 \| good	1.303 \| good	12.107 \| good	0.242 \| good
2026-03-11T16:00:00.000Z	62 \| moderate	15.373 \| fine	17.502 \| good	29.41 \| good	1.365 \| good	9.908 \| good	0.224 \| good
2026-03-11T17:00:00.000Z	36 \| good	4.761 \| good	20.718 \| good	39.054 \| good	1.458 \| good	7.871 \| good	0.207 \| good
2026-03-11T18:00:00.000Z	54 \| moderate	10.939 \| good	16.333 \| good	45.966 \| good	1.487 \| good	5.511 \| good	0.187 \| good
2026-03-11T19:00:00.000Z	54 \| moderate	10.711 \| good	16.612 \| good	48.573 \| good	1.403 \| good	4.775 \| good	0.179 \| good
2026-03-11T20:00:00.000Z	54 \| moderate	10.589 \| good	16.624 \| good	51.179 \| good	1.319 \| good	4.038 \| good	0.171 \| good
2026-03-11T21:00:00.000Z	52 \| moderate	10.367 \| good	16.629 \| good	53.785 \| good	1.234 \| good	3.302 \| good	0.163 \| good
2026-03-11T22:00:00.000Z	52 \| moderate	10.043 \| good	16.436 \| good	53.958 \| good	1.157 \| good	3.127 \| good	0.159 \| good
2026-03-11T23:00:00.000Z	52 \| moderate	9.652 \| good	16.049 \| good	54.131 \| good	1.079 \| good	2.952 \| good	0.156 \| good
2026-03-12T00:00:00.000Z	50 \| good	9.267 \| good	15.678 \| good	54.304 \| good	1.002 \| good	2.776 \| good	0.152 \| good

Castaic

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Castaic, California

0.25ppm

How accurate is California, USA air quality data?

The air quality data for California, USA 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 US

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

View Polluted Cities

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

View Clean Cities

Frequently asked questions

How frequently does the air quality data for Castaic, California get updated?

Air quality updates for Castaic, California are available every hour.

What time in the past 24 hours saw the poorest air quality in Castaic, California?

Castaic, California experienced its worst air quality at 11:00:00, 2026-03-09.

When was air quality in Castaic, California the best over the past 24 hours?

The best air quality in Castaic, California was observed at 12:00:00 on 2026-03-09.

What is the air quality in Castaic, California right now?

The air quality in Castaic, California right now is Good, with an AQI of 47.

What pollutant is most frequently found in Castaic, California?

In Castaic, California, O3 is the most frequently found pollutant.

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

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

What is the PM_2.5 concentration in Castaic, California right now?

Castaic, California currently has a PM_2.5 concentration of 3.693 μg/m³.

What is the current level of PM₁₀ in Castaic, California?

Castaic, California currently has a PM₁₀ concentration of 17.978 μg/m³.

What is the current level of carbon monoxide (CO) in Castaic, California?

The current carbon monoxide (CO) level in Castaic, California is 0.241 ppm.

What is the current level of sulfur dioxide (SO₂) in Castaic, California?

The current sulfur dioxide (SO₂) concentration in Castaic, California is 0.447 ppb.

What is the current level of ozone (O₃) in Castaic, California?

Castaic, California currently has an ozone (O₃) concentration of 50.938 ppm.

What is the current level of nitrogen dioxide (NO₂) in Castaic, California?

The current level of nitrogen dioxide (NO₂) in Castaic, California is 2.993 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions