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

Castaic, California currently has a PM10 concentration of 12.394 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Castaic, California is 0.554 ppb.

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

Castaic, California currently has an ozone (O3) concentration of 15.532 ppm.

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

The current level of nitrogen dioxide (NO2) in Castaic, California is 15.65 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 8.881 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)

8.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.39 μg/m³

155

255

425

605+

Ozone (O₃)

15.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.62 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Castaic, California

Get Live Pollen Counts

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
2026-01-21T19:00:00.000Z	26 \| good	2.382 \| good	14.847 \| good	27.669 \| good	0.758 \| good	15.057 \| good	0.662 \| good
2026-01-21T20:00:00.000Z	22 \| good	3.222 \| good	6.603 \| good	23.58 \| good	0.673 \| good	16.571 \| good	0.612 \| good
2026-01-21T21:00:00.000Z	31 \| good	1.036 \| good	9.603 \| good	25.63 \| good	0.543 \| good	32.741 \| good	0.613 \| good
2026-01-21T22:00:00.000Z	36 \| good	1.845 \| good	11.494 \| good	28.549 \| good	0.578 \| good	37.926 \| good	0.629 \| good
2026-01-21T23:00:00.000Z	36 \| good	2.976 \| good	7.627 \| good	32.06 \| good	0.585 \| good	37.758 \| good	0.501 \| good
2026-01-22T00:00:00.000Z	30 \| good	4.271 \| good	27.631 \| good	28.709 \| good	0.636 \| good	32.356 \| good	0.501 \| good
2026-01-22T01:00:00.000Z	23 \| good	1.466 \| good	16.604 \| good	25.01 \| good	0.488 \| good	17.323 \| good	0.565 \| good
2026-01-22T02:00:00.000Z	28 \| good	1.999 \| good	14.382 \| good	28.367 \| good	0.483 \| good	29.86 \| good	0.582 \| good
2026-01-22T03:00:00.000Z	28 \| good	2.273 \| good	11.1 \| good	27.871 \| good	0.424 \| good	29.646 \| good	0.628 \| good
2026-01-22T04:00:00.000Z	30 \| good	2.081 \| good	14.714 \| good	27.373 \| good	0.448 \| good	32.216 \| good	0.591 \| good
2026-01-22T05:00:00.000Z	25 \| good	3.29 \| good	9.894 \| good	25.278 \| good	0.632 \| good	26.001 \| good	0.634 \| good
2026-01-22T06:00:00.000Z	24 \| good	4.051 \| good	25.189 \| good	14.963 \| good	0.494 \| good	25.364 \| good	0.691 \| good
2026-01-22T07:00:00.000Z	49 \| good	9.283 \| good	24.471 \| good	13.753 \| good	0.478 \| good	19.741 \| good	0.802 \| good
2026-01-22T08:00:00.000Z	38 \| good	6.68 \| good	35.325 \| good	13.357 \| good	0.478 \| good	20.435 \| good	0.73 \| good
2026-01-22T09:00:00.000Z	52 \| moderate	10.323 \| good	23.422 \| good	13.102 \| good	0.438 \| good	18.605 \| good	0.662 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	11.027 \| good	47.262 \| good	11.55 \| good	0.449 \| good	20.074 \| good	0.596 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	11.988 \| good	36.709 \| good	7.86 \| good	0.488 \| good	14.005 \| good	0.462 \| good
2026-01-22T12:00:00.000Z	16 \| good	2.598 \| good	16.615 \| good	12.41 \| good	0.601 \| good	15.865 \| good	0.467 \| good
2026-01-22T13:00:00.000Z	27 \| good	5.167 \| good	19.422 \| good	15.946 \| good	0.6 \| good	15.118 \| good	0.467 \| good
2026-01-22T14:00:00.000Z	22 \| good	4.473 \| good	20.192 \| good	13.05 \| good	0.437 \| good	13.612 \| good	0.564 \| good
2026-01-22T15:00:00.000Z	44 \| good	8.142 \| good	29.528 \| good	11.462 \| good	0.526 \| good	18.13 \| good	0.598 \| good
2026-01-22T16:00:00.000Z	38 \| good	7.206 \| good	36.118 \| good	12.708 \| good	0.593 \| good	21.99 \| good	0.664 \| good
2026-01-22T17:00:00.000Z	48 \| good	7.905 \| good	51.549 \| good	8.522 \| good	0.709 \| good	26.275 \| good	0.659 \| good
2026-01-22T18:00:00.000Z	77 \| moderate	22.778 \| fine	40.121 \| good	14.275 \| good	0.777 \| good	27.161 \| good	0.634 \| good
2026-01-22T19:00:00.000Z	62 \| moderate	14.562 \| fine	33.165 \| good	11.466 \| good	0.59 \| good	24.727 \| good	0.643 \| good
2026-01-22T20:00:00.000Z	56 \| moderate	11.782 \| good	63.8 \| fine	18.735 \| good	0.505 \| good	23.401 \| good	0.505 \| good
2026-01-22T21:00:00.000Z	38 \| good	6.719 \| good	9.784 \| good	27.321 \| good	0.481 \| good	24.578 \| good	0.466 \| good
2026-01-22T22:00:00.000Z	58 \| moderate	13.155 \| fine	39.559 \| good	32.868 \| good	0.67 \| good	26.295 \| good	0.427 \| good
2026-01-22T23:00:00.000Z	67 \| moderate	17.813 \| fine	86.016 \| fine	35.553 \| good	0.532 \| good	20.343 \| good	0.416 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	13.99 \| fine	27.383 \| good	33.275 \| good	0.348 \| good	30.155 \| good	0.433 \| good
2026-01-23T01:00:00.000Z	82 \| moderate	26.279 \| fine	64.412 \| fine	24.725 \| good	0.357 \| good	26.193 \| good	0.414 \| good
2026-01-23T02:00:00.000Z	44 \| good	8.158 \| good	19.123 \| good	30.565 \| good	0.353 \| good	23.213 \| good	0.444 \| good
2026-01-23T03:00:00.000Z	60 \| moderate	14.156 \| fine	26.421 \| good	23.542 \| good	0.295 \| good	20.378 \| good	0.455 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	15.801 \| fine	35.098 \| good	23.705 \| good	0.346 \| good	18.167 \| good	0.478 \| good
2026-01-23T05:00:00.000Z	66 \| moderate	16.825 \| fine	31.229 \| good	20.709 \| good	0.561 \| good	20.515 \| good	0.517 \| good
2026-01-23T06:00:00.000Z	60 \| moderate	14.339 \| fine	20.716 \| good	19.903 \| good	0.426 \| good	14.87 \| good	0.497 \| good
2026-01-23T07:00:00.000Z	52 \| moderate	9.999 \| good	38.047 \| good	14.169 \| good	0.43 \| good	14.448 \| good	0.48 \| good
2026-01-23T08:00:00.000Z	33 \| good	5.587 \| good	29.132 \| good	14.721 \| good	0.548 \| good	10.269 \| good	0.565 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	10.735 \| good	17.608 \| good	14.095 \| good	0.445 \| good	10.882 \| good	0.625 \| good
2026-01-23T10:00:00.000Z	38 \| good	6.88 \| good	23.902 \| good	11.786 \| good	0.451 \| good	9.524 \| good	0.61 \| good
2026-01-23T11:00:00.000Z	27 \| good	5.257 \| good	11.022 \| good	12.837 \| good	0.444 \| good	7.708 \| good	0.534 \| good
2026-01-23T12:00:00.000Z	16 \| good	2.952 \| good	13.372 \| good	8.298 \| good	0.452 \| good	6.53 \| good	0.5 \| good
2026-01-23T13:00:00.000Z	13 \| good	1.543 \| good	5.663 \| good	13.841 \| good	0.451 \| good	6.449 \| good	0.5 \| good
2026-01-23T14:00:00.000Z	27 \| good	5.225 \| good	8.325 \| good	9.07 \| good	0.379 \| good	5.927 \| good	0.66 \| good
2026-01-23T15:00:00.000Z	19 \| good	1.814 \| good	19.724 \| good	9.294 \| good	0.565 \| good	7.1 \| good	0.932 \| good
2026-01-23T16:00:00.000Z	16 \| good	2.928 \| good	11.265 \| good	8.086 \| good	0.612 \| good	6.38 \| good	1.139 \| good
2026-01-23T17:00:00.000Z	27 \| good	5.411 \| good	7.853 \| good	9.588 \| good	0.515 \| good	11.947 \| good	0.914 \| good
2026-01-23T18:00:00.000Z	49 \| good	8.881 \| good	12.394 \| good	15.532 \| good	0.554 \| good	15.65 \| good	0.616 \| good
2026-01-23T18:00:00.000Z	49 \| good	8.881 \| good	12.394 \| good	15.532 \| good	0.554 \| good	15.65 \| good	0.616 \| good
2026-01-23T19:00:00.000Z	44 \| good	8.034 \| good	35.203 \| good	38.542 \| good	2.177 \| good	7.904 \| good	0.173 \| good
2026-01-23T20:00:00.000Z	56 \| moderate	12.039 \| good	54.046 \| good	42.667 \| good	2.295 \| good	7.108 \| good	0.164 \| good
2026-01-23T21:00:00.000Z	62 \| moderate	14.993 \| fine	66.695 \| fine	45.625 \| good	2.414 \| good	6.313 \| good	0.155 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.54 \| fine	60.926 \| fine	46.059 \| good	2.293 \| good	6.23 \| good	0.155 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.575 \| fine	56.97 \| fine	46.607 \| good	2.172 \| good	6.147 \| good	0.154 \| good
2026-01-24T00:00:00.000Z	49 \| good	9.283 \| good	41.48 \| good	45.797 \| good	2.051 \| good	6.064 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	49 \| good	8.645 \| good	37.527 \| good	39.918 \| good	2.094 \| good	9.58 \| good	0.183 \| good
2026-01-24T02:00:00.000Z	49 \| good	9.086 \| good	40.796 \| good	35.031 \| good	2.137 \| good	13.096 \| good	0.212 \| good
2026-01-24T03:00:00.000Z	52 \| moderate	10.228 \| good	45.069 \| good	30.013 \| good	2.18 \| good	16.612 \| good	0.241 \| good
2026-01-24T04:00:00.000Z	52 \| moderate	10.464 \| good	46.735 \| good	28.896 \| good	2.219 \| good	16.846 \| good	0.243 \| good
2026-01-24T05:00:00.000Z	49 \| good	9.17 \| good	40.66 \| good	29.491 \| good	2.257 \| good	17.08 \| good	0.245 \| good
2026-01-24T06:00:00.000Z	49 \| good	8.711 \| good	38.553 \| good	28.582 \| good	2.296 \| good	17.314 \| good	0.247 \| good
2026-01-24T07:00:00.000Z	44 \| good	8.366 \| good	36.502 \| good	31.488 \| good	2.172 \| good	15.495 \| good	0.237 \| good
2026-01-24T08:00:00.000Z	52 \| moderate	10.047 \| good	44.176 \| good	29.554 \| good	2.047 \| good	13.676 \| good	0.227 \| good
2026-01-24T09:00:00.000Z	56 \| moderate	12.294 \| fine	55.086 \| fine	25.257 \| good	1.923 \| good	11.857 \| good	0.216 \| good
2026-01-24T10:00:00.000Z	60 \| moderate	13.894 \| fine	62.604 \| fine	26.481 \| good	1.882 \| good	10.7 \| good	0.21 \| good
2026-01-24T11:00:00.000Z	60 \| moderate	14.409 \| fine	65.021 \| fine	25.694 \| good	1.842 \| good	9.544 \| good	0.204 \| good
2026-01-24T12:00:00.000Z	56 \| moderate	12.487 \| fine	55.874 \| fine	18.953 \| good	1.801 \| good	8.387 \| good	0.198 \| good
2026-01-24T13:00:00.000Z	44 \| good	8.453 \| good	37.016 \| good	20.252 \| good	1.864 \| good	9.244 \| good	0.2 \| good
2026-01-24T14:00:00.000Z	52 \| moderate	9.606 \| good	42.667 \| good	21.253 \| good	1.927 \| good	10.1 \| good	0.202 \| good
2026-01-24T15:00:00.000Z	52 \| moderate	9.55 \| good	42.781 \| good	21.056 \| good	1.989 \| good	10.957 \| good	0.204 \| good
2026-01-24T16:00:00.000Z	49 \| good	9.177 \| good	41.127 \| good	21.555 \| good	2.003 \| good	9.049 \| good	0.196 \| good
2026-01-24T17:00:00.000Z	44 \| good	7.654 \| good	33.469 \| good	27.752 \| good	2.017 \| good	7.141 \| good	0.188 \| good
2026-01-24T18:00:00.000Z	32 \| good	3.076 \| good	12.423 \| good	35.132 \| good	2.031 \| good	5.232 \| good	0.179 \| good
2026-01-24T19:00:00.000Z	36 \| good	1.97 \| good	7.868 \| good	38.777 \| good	1.673 \| good	4.298 \| good	0.168 \| good
2026-01-24T20:00:00.000Z	35 \| good	1.357 \| good	5.064 \| good	38.34 \| good	1.315 \| good	3.364 \| good	0.156 \| good
2026-01-24T21:00:00.000Z	34 \| good	1.126 \| good	4.902 \| good	37.107 \| good	0.957 \| good	2.429 \| good	0.145 \| good
2026-01-24T22:00:00.000Z	35 \| good	1.179 \| good	4.839 \| good	38.342 \| good	0.813 \| good	2.337 \| good	0.14 \| good
2026-01-24T23:00:00.000Z	36 \| good	0.551 \| good	1.956 \| good	39.23 \| good	0.669 \| good	2.244 \| good	0.135 \| good
2026-01-25T00:00:00.000Z	37 \| good	0.792 \| good	2.988 \| good	40.106 \| good	0.525 \| good	2.152 \| good	0.131 \| good
2026-01-25T01:00:00.000Z	35 \| good	0.66 \| good	2.128 \| good	38.443 \| good	0.603 \| good	5.683 \| good	0.159 \| good
2026-01-25T02:00:00.000Z	29 \| good	0.66 \| good	2.176 \| good	30.852 \| good	0.682 \| good	9.215 \| good	0.186 \| good
2026-01-25T03:00:00.000Z	26 \| good	0.628 \| good	2.208 \| good	28.396 \| good	0.761 \| good	12.746 \| good	0.214 \| good
2026-01-25T04:00:00.000Z	23 \| good	0.825 \| good	3.022 \| good	25.365 \| good	0.77 \| good	12.966 \| good	0.209 \| good
2026-01-25T05:00:00.000Z	21 \| good	0.553 \| good	2 \| good	23.044 \| good	0.779 \| good	13.186 \| good	0.205 \| good
2026-01-25T06:00:00.000Z	19 \| good	0.543 \| good	2 \| good	21.322 \| good	0.788 \| good	13.406 \| good	0.2 \| good
2026-01-25T07:00:00.000Z	19 \| good	0.513 \| good	2 \| good	20.894 \| good	0.726 \| good	12.446 \| good	0.187 \| good
2026-01-25T08:00:00.000Z	19 \| good	0.45 \| good	1.878 \| good	20.545 \| good	0.663 \| good	11.486 \| good	0.175 \| good
2026-01-25T09:00:00.000Z	19 \| good	0.137 \| good	0.089 \| good	20.991 \| good	0.601 \| good	10.525 \| good	0.162 \| good
2026-01-25T10:00:00.000Z	19 \| good	0.422 \| good	1.847 \| good	20.416 \| good	0.565 \| good	9.057 \| good	0.151 \| good
2026-01-25T11:00:00.000Z	19 \| good	0.166 \| good	0.076 \| good	19.744 \| good	0.529 \| good	7.589 \| good	0.14 \| good
2026-01-25T12:00:00.000Z	18 \| good	0.286 \| good	1.022 \| good	18.87 \| good	0.493 \| good	6.121 \| good	0.13 \| good
2026-01-25T13:00:00.000Z	17 \| good	0.328 \| good	1.172 \| good	17.717 \| good	0.55 \| good	6.629 \| good	0.135 \| good
2026-01-25T14:00:00.000Z	15 \| good	0.313 \| good	0.984 \| good	16.207 \| good	0.607 \| good	7.137 \| good	0.14 \| good
2026-01-25T15:00:00.000Z	16 \| good	0.266 \| good	0.91 \| good	16.519 \| good	0.665 \| good	7.646 \| good	0.145 \| good
2026-01-25T16:00:00.000Z	17 \| good	0.391 \| good	1.27 \| good	17.891 \| good	0.771 \| good	7.542 \| good	0.158 \| good
2026-01-25T17:00:00.000Z	22 \| good	1.357 \| good	5.171 \| good	24.142 \| good	0.877 \| good	7.438 \| good	0.172 \| good
2026-01-25T18:00:00.000Z	29 \| good	1.273 \| good	4.919 \| good	30.579 \| good	0.983 \| good	7.334 \| good	0.186 \| good

Castaic

Empower business decisions with accurate air quality data

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

0.92ppm

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

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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 01:00:00, 2026-01-23.

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

The best air quality in Castaic, California was observed at 01:00:00 on 2026-01-23.

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

The air quality in Castaic, California right now is Good, with an AQI of 49.

What pollutant is most frequently found in Castaic, California?

In Castaic, California, PM2.5 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 8.881 μg/m³.

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

Castaic, California currently has a PM₁₀ concentration of 12.394 μg/m³.

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

The current carbon monoxide (CO) level in Castaic, California is 0.616 ppm.

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

The current sulfur dioxide (SO₂) concentration in Castaic, California is 0.554 ppb.

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

Castaic, California currently has an ozone (O₃) concentration of 15.532 ppm.

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

The current level of nitrogen dioxide (NO₂) in Castaic, California is 15.65 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T19:00:00.000Z	26 \| good	2.382 \| good	14.847 \| good	27.669 \| good	0.758 \| good	15.057 \| good	0.662 \| good
2026-01-21T20:00:00.000Z	22 \| good	3.222 \| good	6.603 \| good	23.58 \| good	0.673 \| good	16.571 \| good	0.612 \| good
2026-01-21T21:00:00.000Z	31 \| good	1.036 \| good	9.603 \| good	25.63 \| good	0.543 \| good	32.741 \| good	0.613 \| good
2026-01-21T22:00:00.000Z	36 \| good	1.845 \| good	11.494 \| good	28.549 \| good	0.578 \| good	37.926 \| good	0.629 \| good
2026-01-21T23:00:00.000Z	36 \| good	2.976 \| good	7.627 \| good	32.06 \| good	0.585 \| good	37.758 \| good	0.501 \| good
2026-01-22T00:00:00.000Z	30 \| good	4.271 \| good	27.631 \| good	28.709 \| good	0.636 \| good	32.356 \| good	0.501 \| good
2026-01-22T01:00:00.000Z	23 \| good	1.466 \| good	16.604 \| good	25.01 \| good	0.488 \| good	17.323 \| good	0.565 \| good
2026-01-22T02:00:00.000Z	28 \| good	1.999 \| good	14.382 \| good	28.367 \| good	0.483 \| good	29.86 \| good	0.582 \| good
2026-01-22T03:00:00.000Z	28 \| good	2.273 \| good	11.1 \| good	27.871 \| good	0.424 \| good	29.646 \| good	0.628 \| good
2026-01-22T04:00:00.000Z	30 \| good	2.081 \| good	14.714 \| good	27.373 \| good	0.448 \| good	32.216 \| good	0.591 \| good
2026-01-22T05:00:00.000Z	25 \| good	3.29 \| good	9.894 \| good	25.278 \| good	0.632 \| good	26.001 \| good	0.634 \| good
2026-01-22T06:00:00.000Z	24 \| good	4.051 \| good	25.189 \| good	14.963 \| good	0.494 \| good	25.364 \| good	0.691 \| good
2026-01-22T07:00:00.000Z	49 \| good	9.283 \| good	24.471 \| good	13.753 \| good	0.478 \| good	19.741 \| good	0.802 \| good
2026-01-22T08:00:00.000Z	38 \| good	6.68 \| good	35.325 \| good	13.357 \| good	0.478 \| good	20.435 \| good	0.73 \| good
2026-01-22T09:00:00.000Z	52 \| moderate	10.323 \| good	23.422 \| good	13.102 \| good	0.438 \| good	18.605 \| good	0.662 \| good
2026-01-22T10:00:00.000Z	54 \| moderate	11.027 \| good	47.262 \| good	11.55 \| good	0.449 \| good	20.074 \| good	0.596 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	11.988 \| good	36.709 \| good	7.86 \| good	0.488 \| good	14.005 \| good	0.462 \| good
2026-01-22T12:00:00.000Z	16 \| good	2.598 \| good	16.615 \| good	12.41 \| good	0.601 \| good	15.865 \| good	0.467 \| good
2026-01-22T13:00:00.000Z	27 \| good	5.167 \| good	19.422 \| good	15.946 \| good	0.6 \| good	15.118 \| good	0.467 \| good
2026-01-22T14:00:00.000Z	22 \| good	4.473 \| good	20.192 \| good	13.05 \| good	0.437 \| good	13.612 \| good	0.564 \| good
2026-01-22T15:00:00.000Z	44 \| good	8.142 \| good	29.528 \| good	11.462 \| good	0.526 \| good	18.13 \| good	0.598 \| good
2026-01-22T16:00:00.000Z	38 \| good	7.206 \| good	36.118 \| good	12.708 \| good	0.593 \| good	21.99 \| good	0.664 \| good
2026-01-22T17:00:00.000Z	48 \| good	7.905 \| good	51.549 \| good	8.522 \| good	0.709 \| good	26.275 \| good	0.659 \| good
2026-01-22T18:00:00.000Z	77 \| moderate	22.778 \| fine	40.121 \| good	14.275 \| good	0.777 \| good	27.161 \| good	0.634 \| good
2026-01-22T19:00:00.000Z	62 \| moderate	14.562 \| fine	33.165 \| good	11.466 \| good	0.59 \| good	24.727 \| good	0.643 \| good
2026-01-22T20:00:00.000Z	56 \| moderate	11.782 \| good	63.8 \| fine	18.735 \| good	0.505 \| good	23.401 \| good	0.505 \| good
2026-01-22T21:00:00.000Z	38 \| good	6.719 \| good	9.784 \| good	27.321 \| good	0.481 \| good	24.578 \| good	0.466 \| good
2026-01-22T22:00:00.000Z	58 \| moderate	13.155 \| fine	39.559 \| good	32.868 \| good	0.67 \| good	26.295 \| good	0.427 \| good
2026-01-22T23:00:00.000Z	67 \| moderate	17.813 \| fine	86.016 \| fine	35.553 \| good	0.532 \| good	20.343 \| good	0.416 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	13.99 \| fine	27.383 \| good	33.275 \| good	0.348 \| good	30.155 \| good	0.433 \| good
2026-01-23T01:00:00.000Z	82 \| moderate	26.279 \| fine	64.412 \| fine	24.725 \| good	0.357 \| good	26.193 \| good	0.414 \| good
2026-01-23T02:00:00.000Z	44 \| good	8.158 \| good	19.123 \| good	30.565 \| good	0.353 \| good	23.213 \| good	0.444 \| good
2026-01-23T03:00:00.000Z	60 \| moderate	14.156 \| fine	26.421 \| good	23.542 \| good	0.295 \| good	20.378 \| good	0.455 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	15.801 \| fine	35.098 \| good	23.705 \| good	0.346 \| good	18.167 \| good	0.478 \| good
2026-01-23T05:00:00.000Z	66 \| moderate	16.825 \| fine	31.229 \| good	20.709 \| good	0.561 \| good	20.515 \| good	0.517 \| good
2026-01-23T06:00:00.000Z	60 \| moderate	14.339 \| fine	20.716 \| good	19.903 \| good	0.426 \| good	14.87 \| good	0.497 \| good
2026-01-23T07:00:00.000Z	52 \| moderate	9.999 \| good	38.047 \| good	14.169 \| good	0.43 \| good	14.448 \| good	0.48 \| good
2026-01-23T08:00:00.000Z	33 \| good	5.587 \| good	29.132 \| good	14.721 \| good	0.548 \| good	10.269 \| good	0.565 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	10.735 \| good	17.608 \| good	14.095 \| good	0.445 \| good	10.882 \| good	0.625 \| good
2026-01-23T10:00:00.000Z	38 \| good	6.88 \| good	23.902 \| good	11.786 \| good	0.451 \| good	9.524 \| good	0.61 \| good
2026-01-23T11:00:00.000Z	27 \| good	5.257 \| good	11.022 \| good	12.837 \| good	0.444 \| good	7.708 \| good	0.534 \| good
2026-01-23T12:00:00.000Z	16 \| good	2.952 \| good	13.372 \| good	8.298 \| good	0.452 \| good	6.53 \| good	0.5 \| good
2026-01-23T13:00:00.000Z	13 \| good	1.543 \| good	5.663 \| good	13.841 \| good	0.451 \| good	6.449 \| good	0.5 \| good
2026-01-23T14:00:00.000Z	27 \| good	5.225 \| good	8.325 \| good	9.07 \| good	0.379 \| good	5.927 \| good	0.66 \| good
2026-01-23T15:00:00.000Z	19 \| good	1.814 \| good	19.724 \| good	9.294 \| good	0.565 \| good	7.1 \| good	0.932 \| good
2026-01-23T16:00:00.000Z	16 \| good	2.928 \| good	11.265 \| good	8.086 \| good	0.612 \| good	6.38 \| good	1.139 \| good
2026-01-23T17:00:00.000Z	27 \| good	5.411 \| good	7.853 \| good	9.588 \| good	0.515 \| good	11.947 \| good	0.914 \| good
2026-01-23T18:00:00.000Z	49 \| good	8.881 \| good	12.394 \| good	15.532 \| good	0.554 \| good	15.65 \| good	0.616 \| good
2026-01-23T18:00:00.000Z	49 \| good	8.881 \| good	12.394 \| good	15.532 \| good	0.554 \| good	15.65 \| good	0.616 \| good
2026-01-23T19:00:00.000Z	44 \| good	8.034 \| good	35.203 \| good	38.542 \| good	2.177 \| good	7.904 \| good	0.173 \| good
2026-01-23T20:00:00.000Z	56 \| moderate	12.039 \| good	54.046 \| good	42.667 \| good	2.295 \| good	7.108 \| good	0.164 \| good
2026-01-23T21:00:00.000Z	62 \| moderate	14.993 \| fine	66.695 \| fine	45.625 \| good	2.414 \| good	6.313 \| good	0.155 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.54 \| fine	60.926 \| fine	46.059 \| good	2.293 \| good	6.23 \| good	0.155 \| good
2026-01-23T23:00:00.000Z	58 \| moderate	12.575 \| fine	56.97 \| fine	46.607 \| good	2.172 \| good	6.147 \| good	0.154 \| good
2026-01-24T00:00:00.000Z	49 \| good	9.283 \| good	41.48 \| good	45.797 \| good	2.051 \| good	6.064 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	49 \| good	8.645 \| good	37.527 \| good	39.918 \| good	2.094 \| good	9.58 \| good	0.183 \| good
2026-01-24T02:00:00.000Z	49 \| good	9.086 \| good	40.796 \| good	35.031 \| good	2.137 \| good	13.096 \| good	0.212 \| good
2026-01-24T03:00:00.000Z	52 \| moderate	10.228 \| good	45.069 \| good	30.013 \| good	2.18 \| good	16.612 \| good	0.241 \| good
2026-01-24T04:00:00.000Z	52 \| moderate	10.464 \| good	46.735 \| good	28.896 \| good	2.219 \| good	16.846 \| good	0.243 \| good
2026-01-24T05:00:00.000Z	49 \| good	9.17 \| good	40.66 \| good	29.491 \| good	2.257 \| good	17.08 \| good	0.245 \| good
2026-01-24T06:00:00.000Z	49 \| good	8.711 \| good	38.553 \| good	28.582 \| good	2.296 \| good	17.314 \| good	0.247 \| good
2026-01-24T07:00:00.000Z	44 \| good	8.366 \| good	36.502 \| good	31.488 \| good	2.172 \| good	15.495 \| good	0.237 \| good
2026-01-24T08:00:00.000Z	52 \| moderate	10.047 \| good	44.176 \| good	29.554 \| good	2.047 \| good	13.676 \| good	0.227 \| good
2026-01-24T09:00:00.000Z	56 \| moderate	12.294 \| fine	55.086 \| fine	25.257 \| good	1.923 \| good	11.857 \| good	0.216 \| good
2026-01-24T10:00:00.000Z	60 \| moderate	13.894 \| fine	62.604 \| fine	26.481 \| good	1.882 \| good	10.7 \| good	0.21 \| good
2026-01-24T11:00:00.000Z	60 \| moderate	14.409 \| fine	65.021 \| fine	25.694 \| good	1.842 \| good	9.544 \| good	0.204 \| good
2026-01-24T12:00:00.000Z	56 \| moderate	12.487 \| fine	55.874 \| fine	18.953 \| good	1.801 \| good	8.387 \| good	0.198 \| good
2026-01-24T13:00:00.000Z	44 \| good	8.453 \| good	37.016 \| good	20.252 \| good	1.864 \| good	9.244 \| good	0.2 \| good
2026-01-24T14:00:00.000Z	52 \| moderate	9.606 \| good	42.667 \| good	21.253 \| good	1.927 \| good	10.1 \| good	0.202 \| good
2026-01-24T15:00:00.000Z	52 \| moderate	9.55 \| good	42.781 \| good	21.056 \| good	1.989 \| good	10.957 \| good	0.204 \| good
2026-01-24T16:00:00.000Z	49 \| good	9.177 \| good	41.127 \| good	21.555 \| good	2.003 \| good	9.049 \| good	0.196 \| good
2026-01-24T17:00:00.000Z	44 \| good	7.654 \| good	33.469 \| good	27.752 \| good	2.017 \| good	7.141 \| good	0.188 \| good
2026-01-24T18:00:00.000Z	32 \| good	3.076 \| good	12.423 \| good	35.132 \| good	2.031 \| good	5.232 \| good	0.179 \| good
2026-01-24T19:00:00.000Z	36 \| good	1.97 \| good	7.868 \| good	38.777 \| good	1.673 \| good	4.298 \| good	0.168 \| good
2026-01-24T20:00:00.000Z	35 \| good	1.357 \| good	5.064 \| good	38.34 \| good	1.315 \| good	3.364 \| good	0.156 \| good
2026-01-24T21:00:00.000Z	34 \| good	1.126 \| good	4.902 \| good	37.107 \| good	0.957 \| good	2.429 \| good	0.145 \| good
2026-01-24T22:00:00.000Z	35 \| good	1.179 \| good	4.839 \| good	38.342 \| good	0.813 \| good	2.337 \| good	0.14 \| good
2026-01-24T23:00:00.000Z	36 \| good	0.551 \| good	1.956 \| good	39.23 \| good	0.669 \| good	2.244 \| good	0.135 \| good
2026-01-25T00:00:00.000Z	37 \| good	0.792 \| good	2.988 \| good	40.106 \| good	0.525 \| good	2.152 \| good	0.131 \| good
2026-01-25T01:00:00.000Z	35 \| good	0.66 \| good	2.128 \| good	38.443 \| good	0.603 \| good	5.683 \| good	0.159 \| good
2026-01-25T02:00:00.000Z	29 \| good	0.66 \| good	2.176 \| good	30.852 \| good	0.682 \| good	9.215 \| good	0.186 \| good
2026-01-25T03:00:00.000Z	26 \| good	0.628 \| good	2.208 \| good	28.396 \| good	0.761 \| good	12.746 \| good	0.214 \| good
2026-01-25T04:00:00.000Z	23 \| good	0.825 \| good	3.022 \| good	25.365 \| good	0.77 \| good	12.966 \| good	0.209 \| good
2026-01-25T05:00:00.000Z	21 \| good	0.553 \| good	2 \| good	23.044 \| good	0.779 \| good	13.186 \| good	0.205 \| good
2026-01-25T06:00:00.000Z	19 \| good	0.543 \| good	2 \| good	21.322 \| good	0.788 \| good	13.406 \| good	0.2 \| good
2026-01-25T07:00:00.000Z	19 \| good	0.513 \| good	2 \| good	20.894 \| good	0.726 \| good	12.446 \| good	0.187 \| good
2026-01-25T08:00:00.000Z	19 \| good	0.45 \| good	1.878 \| good	20.545 \| good	0.663 \| good	11.486 \| good	0.175 \| good
2026-01-25T09:00:00.000Z	19 \| good	0.137 \| good	0.089 \| good	20.991 \| good	0.601 \| good	10.525 \| good	0.162 \| good
2026-01-25T10:00:00.000Z	19 \| good	0.422 \| good	1.847 \| good	20.416 \| good	0.565 \| good	9.057 \| good	0.151 \| good
2026-01-25T11:00:00.000Z	19 \| good	0.166 \| good	0.076 \| good	19.744 \| good	0.529 \| good	7.589 \| good	0.14 \| good
2026-01-25T12:00:00.000Z	18 \| good	0.286 \| good	1.022 \| good	18.87 \| good	0.493 \| good	6.121 \| good	0.13 \| good
2026-01-25T13:00:00.000Z	17 \| good	0.328 \| good	1.172 \| good	17.717 \| good	0.55 \| good	6.629 \| good	0.135 \| good
2026-01-25T14:00:00.000Z	15 \| good	0.313 \| good	0.984 \| good	16.207 \| good	0.607 \| good	7.137 \| good	0.14 \| good
2026-01-25T15:00:00.000Z	16 \| good	0.266 \| good	0.91 \| good	16.519 \| good	0.665 \| good	7.646 \| good	0.145 \| good
2026-01-25T16:00:00.000Z	17 \| good	0.391 \| good	1.27 \| good	17.891 \| good	0.771 \| good	7.542 \| good	0.158 \| good
2026-01-25T17:00:00.000Z	22 \| good	1.357 \| good	5.171 \| good	24.142 \| good	0.877 \| good	7.438 \| good	0.172 \| good
2026-01-25T18:00:00.000Z	29 \| good	1.273 \| good	4.919 \| good	30.579 \| good	0.983 \| good	7.334 \| good	0.186 \| good

Current air quality index in Castaic, California today

Common air pollutants in Castaic, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Frequently asked questions

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

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

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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 Castaic, California right now?

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

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