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

Castaic, California currently has a PM10 concentration of 29.35 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Castaic, California is 0.357 ppb.

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

Castaic, California currently has an ozone (O3) concentration of 57.321 ppm.

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

The current level of nitrogen dioxide (NO2) in Castaic, California is 3.378 ppb.

Current air quality index in Castaic, California today

Name: Live air pollution levels in Castaic, California today
Creator: Ambee

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)

8.22 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.74 μg/m³

155

255

425

605+

Ozone (O₃)

15.89 ppb

201

201+

Sulfur Dioxide (SO₂)

0.27 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.35 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 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
2025-07-20T12:00:00.000Z	52 \| moderate	10.064 \| good	34.091 \| good	21.89 \| good	0.211 \| good	3.759 \| good	0.172 \| good
2025-07-20T13:00:00.000Z	52 \| moderate	10.032 \| good	29.992 \| good	27.078 \| good	0.283 \| good	4.492 \| good	0.141 \| good
2025-07-20T14:00:00.000Z	49 \| good	8.855 \| good	29.563 \| good	24.228 \| good	0.281 \| good	7.034 \| good	0.186 \| good
2025-07-20T15:00:00.000Z	44 \| good	8.159 \| good	28.438 \| good	26.281 \| good	0.197 \| good	8.659 \| good	0.172 \| good
2025-07-20T16:00:00.000Z	49 \| good	8.522 \| good	32.119 \| good	30.476 \| good	0.359 \| good	6.363 \| good	0.12 \| good
2025-07-20T17:00:00.000Z	52 \| moderate	10.228 \| good	37.353 \| good	32.54 \| good	0.289 \| good	6.596 \| good	0.12 \| good
2025-07-20T18:00:00.000Z	52 \| moderate	10.196 \| good	34.549 \| good	37.688 \| good	0.285 \| good	5.848 \| good	0.12 \| good
2025-07-20T19:00:00.000Z	52 \| moderate	9.853 \| good	42.474 \| good	43.564 \| good	0.308 \| good	6.432 \| good	0.12 \| good
2025-07-20T20:00:00.000Z	54 \| moderate	10.527 \| good	38.755 \| good	50.668 \| good	0.288 \| good	5.24 \| good	0.141 \| good
2025-07-20T21:00:00.000Z	49 \| good	8.743 \| good	26.062 \| good	52.418 \| good	0.292 \| good	6.182 \| good	0.141 \| good
2025-07-20T22:00:00.000Z	64 \| moderate	9.81 \| good	37.659 \| good	58.641 \| fine	0.307 \| good	5.55 \| good	0.12 \| good
2025-07-20T23:00:00.000Z	71 \| moderate	9.302 \| good	44.136 \| good	60.944 \| fine	0.279 \| good	2.908 \| good	0.12 \| good
2025-07-21T00:00:00.000Z	49 \| good	8.616 \| good	35.924 \| good	53.432 \| good	0.328 \| good	2.636 \| good	0.149 \| good
2025-07-21T01:00:00.000Z	64 \| moderate	7.503 \| good	35.624 \| good	58.875 \| fine	0.266 \| good	3.374 \| good	0.186 \| good
2025-07-21T02:00:00.000Z	48 \| good	7.713 \| good	32.901 \| good	52.378 \| good	0.225 \| good	3.803 \| good	0.149 \| good
2025-07-21T03:00:00.000Z	48 \| good	7.846 \| good	29.128 \| good	51.784 \| good	0.333 \| good	4.626 \| good	0.141 \| good
2025-07-21T04:00:00.000Z	49 \| good	9.159 \| good	30.382 \| good	47.906 \| good	0.353 \| good	5.138 \| good	0.186 \| good
2025-07-21T05:00:00.000Z	44 \| good	8.339 \| good	31.304 \| good	44.284 \| good	0.3 \| good	7.879 \| good	0.12 \| good
2025-07-21T06:00:00.000Z	44 \| good	7.997 \| good	31.331 \| good	39.631 \| good	0.381 \| good	5.967 \| good	0.141 \| good
2025-07-21T07:00:00.000Z	49 \| good	9.454 \| good	24.509 \| good	35.69 \| good	0.282 \| good	5.552 \| good	0.128 \| good
2025-07-21T08:00:00.000Z	44 \| good	8.038 \| good	15.805 \| good	32.809 \| good	0.273 \| good	5.443 \| good	0.12 \| good
2025-07-21T09:00:00.000Z	52 \| moderate	9.76 \| good	37.946 \| good	25.879 \| good	0.193 \| good	3.711 \| good	0.12 \| good
2025-07-21T10:00:00.000Z	38 \| good	7.197 \| good	24.035 \| good	27.721 \| good	0.192 \| good	3.194 \| good	0.148 \| good
2025-07-21T11:00:00.000Z	38 \| good	6.939 \| good	20.586 \| good	27.902 \| good	0.187 \| good	5.298 \| good	0.12 \| good
2025-07-21T12:00:00.000Z	52 \| moderate	9.653 \| good	46.039 \| good	28.07 \| good	0.216 \| good	5.76 \| good	0.148 \| good
2025-07-21T13:00:00.000Z	44 \| good	7.899 \| good	27.022 \| good	25.605 \| good	0.208 \| good	5.256 \| good	0.186 \| good
2025-07-21T14:00:00.000Z	49 \| good	9.027 \| good	26.235 \| good	25.895 \| good	0.218 \| good	7.938 \| good	0.172 \| good
2025-07-21T15:00:00.000Z	33 \| good	5.869 \| good	24.913 \| good	19.082 \| good	0.218 \| good	11.204 \| good	0.141 \| good
2025-07-21T16:00:00.000Z	49 \| good	9.183 \| good	29.546 \| good	23.695 \| good	0.202 \| good	9.325 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	52 \| moderate	10.016 \| good	37.44 \| good	28.951 \| good	0.25 \| good	8.843 \| good	0.141 \| good
2025-07-21T18:00:00.000Z	38 \| good	6.876 \| good	26.184 \| good	32.939 \| good	0.238 \| good	8.739 \| good	0.12 \| good
2025-07-21T19:00:00.000Z	39 \| good	7.282 \| good	30.294 \| good	41.949 \| good	0.269 \| good	7.112 \| good	0.151 \| good
2025-07-21T20:00:00.000Z	42 \| good	6.89 \| good	24.066 \| good	45.073 \| good	0.23 \| good	6.98 \| good	0.141 \| good
2025-07-21T21:00:00.000Z	44 \| good	6.939 \| good	34.685 \| good	46.838 \| good	0.25 \| good	9.745 \| good	0.161 \| good
2025-07-21T22:00:00.000Z	48 \| good	7.481 \| good	31.8 \| good	51.747 \| good	0.267 \| good	10.439 \| good	0.151 \| good
2025-07-21T23:00:00.000Z	43 \| good	5.203 \| good	17.79 \| good	46.184 \| good	0.209 \| good	9.032 \| good	0.151 \| good
2025-07-22T00:00:00.000Z	47 \| good	4.366 \| good	23.164 \| good	51.118 \| good	0.229 \| good	7.282 \| good	0.12 \| good
2025-07-22T01:00:00.000Z	46 \| good	6.548 \| good	30.644 \| good	50.42 \| good	0.307 \| good	5.072 \| good	0.12 \| good
2025-07-22T02:00:00.000Z	45 \| good	5.164 \| good	21.021 \| good	48.956 \| good	0.345 \| good	4.811 \| good	0.12 \| good
2025-07-22T03:00:00.000Z	40 \| good	7.397 \| good	32.704 \| good	42.844 \| good	1.511 \| good	4.422 \| good	0.12 \| good
2025-07-22T04:00:00.000Z	46 \| good	3.873 \| good	14.753 \| good	49.95 \| good	0.371 \| good	5.854 \| good	0.12 \| good
2025-07-22T05:00:00.000Z	44 \| good	3.832 \| good	27.959 \| good	47.124 \| good	0.36 \| good	5.715 \| good	0.12 \| good
2025-07-22T06:00:00.000Z	40 \| good	4.991 \| good	25.19 \| good	43.085 \| good	0.357 \| good	4.434 \| good	0.12 \| good
2025-07-22T07:00:00.000Z	43 \| good	7.34 \| good	19.103 \| good	46.193 \| good	0.343 \| good	4.691 \| good	0.149 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	4.949 \| good	77.903 \| fine	33.874 \| good	0.227 \| good	4.823 \| good	0.136 \| good
2025-07-22T09:00:00.000Z	38 \| good	6.81 \| good	26.947 \| good	26.297 \| good	0.274 \| good	4.573 \| good	0.11 \| good
2025-07-22T10:00:00.000Z	33 \| good	5.884 \| good	21.223 \| good	23.937 \| good	0.265 \| good	3.079 \| good	0.149 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.225 \| good	21.737 \| good	15.892 \| good	0.267 \| good	2.349 \| good	0.12 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.225 \| good	21.737 \| good	15.892 \| good	0.267 \| good	2.349 \| good	0.12 \| good
2025-07-20T00:00:00.000Z	50 \| good	7.141 \| good	31.703 \| good	53.88 \| good	1.54 \| good	2.163 \| good	0.139 \| good
2025-07-20T01:00:00.000Z	45 \| good	5.883 \| good	26.512 \| good	49.405 \| good	1.552 \| good	3.092 \| good	0.141 \| good
2025-07-20T02:00:00.000Z	40 \| good	5.472 \| good	23.258 \| good	43.298 \| good	1.564 \| good	4.022 \| good	0.143 \| good
2025-07-20T03:00:00.000Z	33 \| good	6.308 \| good	27.982 \| good	36.198 \| good	1.576 \| good	4.951 \| good	0.144 \| good
2025-07-20T04:00:00.000Z	38 \| good	7.293 \| good	31.982 \| good	33.12 \| good	1.702 \| good	6.136 \| good	0.15 \| good
2025-07-20T05:00:00.000Z	44 \| good	7.748 \| good	33.842 \| good	30.74 \| good	1.829 \| good	7.322 \| good	0.155 \| good
2025-07-20T06:00:00.000Z	44 \| good	8.111 \| good	35.573 \| good	28.271 \| good	1.955 \| good	8.507 \| good	0.161 \| good
2025-07-20T07:00:00.000Z	44 \| good	8.317 \| good	36.427 \| good	27.855 \| good	1.999 \| good	9.056 \| good	0.163 \| good
2025-07-20T08:00:00.000Z	52 \| moderate	10.27 \| good	45.229 \| good	24.818 \| good	2.042 \| good	9.605 \| good	0.165 \| good
2025-07-20T09:00:00.000Z	54 \| moderate	11.14 \| good	49.155 \| good	25.559 \| good	2.086 \| good	10.154 \| good	0.167 \| good
2025-07-20T10:00:00.000Z	58 \| moderate	12.82 \| fine	57.566 \| fine	26.48 \| good	2.193 \| good	10.098 \| good	0.166 \| good
2025-07-20T11:00:00.000Z	58 \| moderate	13.013 \| fine	59.116 \| fine	26.198 \| good	2.3 \| good	10.043 \| good	0.165 \| good
2025-07-20T12:00:00.000Z	60 \| moderate	13.998 \| fine	62.921 \| fine	27.465 \| good	2.406 \| good	9.987 \| good	0.164 \| good
2025-07-20T13:00:00.000Z	58 \| moderate	13.449 \| fine	60.753 \| fine	23.037 \| good	2.631 \| good	9.276 \| good	0.165 \| good
2025-07-20T14:00:00.000Z	60 \| moderate	14.212 \| fine	63.351 \| fine	23.142 \| good	2.855 \| good	8.565 \| good	0.166 \| good
2025-07-20T15:00:00.000Z	60 \| moderate	14.484 \| fine	64.264 \| fine	29.725 \| good	3.079 \| good	7.855 \| good	0.168 \| good
2025-07-20T16:00:00.000Z	60 \| moderate	13.806 \| fine	62.467 \| fine	38.47 \| good	3.121 \| good	7.102 \| good	0.164 \| good
2025-07-20T17:00:00.000Z	54 \| moderate	11.202 \| good	49.835 \| good	44.95 \| good	3.162 \| good	6.349 \| good	0.161 \| good
2025-07-20T18:00:00.000Z	49 \| good	8.653 \| good	38.086 \| good	50.319 \| good	3.204 \| good	5.596 \| good	0.158 \| good
2025-07-20T19:00:00.000Z	50 \| good	6.176 \| good	27.221 \| good	54.208 \| good	3.062 \| good	4.9 \| good	0.153 \| good
2025-07-20T20:00:00.000Z	58 \| moderate	7.705 \| good	33.857 \| good	56.733 \| fine	2.92 \| good	4.203 \| good	0.148 \| good
2025-07-20T21:00:00.000Z	80 \| moderate	9.118 \| good	40.63 \| good	63.763 \| fine	2.778 \| good	3.507 \| good	0.143 \| good
2025-07-20T22:00:00.000Z	87 \| moderate	9.974 \| good	44.568 \| good	65.692 \| fine	2.59 \| good	3.164 \| good	0.139 \| good
2025-07-20T23:00:00.000Z	74 \| moderate	9.131 \| good	40.601 \| good	61.544 \| fine	2.401 \| good	2.82 \| good	0.134 \| good
2025-07-21T00:00:00.000Z	58 \| moderate	8.314 \| good	36.738 \| good	56.605 \| fine	2.212 \| good	2.477 \| good	0.13 \| good
2025-07-21T01:00:00.000Z	51 \| moderate	9.127 \| good	40.701 \| good	54.6 \| good	2.15 \| good	3.367 \| good	0.131 \| good
2025-07-21T02:00:00.000Z	49 \| good	9.442 \| good	41.896 \| good	51.378 \| good	2.087 \| good	4.258 \| good	0.132 \| good
2025-07-21T03:00:00.000Z	54 \| moderate	10.584 \| good	46.897 \| good	47.023 \| good	2.024 \| good	5.148 \| good	0.133 \| good
2025-07-21T04:00:00.000Z	54 \| moderate	11.093 \| good	48.882 \| good	44.571 \| good	2.104 \| good	6.394 \| good	0.138 \| good
2025-07-21T05:00:00.000Z	56 \| moderate	11.654 \| good	51.04 \| good	42.77 \| good	2.184 \| good	7.64 \| good	0.144 \| good
2025-07-21T06:00:00.000Z	54 \| moderate	10.617 \| good	46.9 \| good	37.425 \| good	2.264 \| good	8.886 \| good	0.149 \| good
2025-07-21T07:00:00.000Z	54 \| moderate	10.699 \| good	47.706 \| good	34.399 \| good	2.314 \| good	9.742 \| good	0.153 \| good
2025-07-21T08:00:00.000Z	54 \| moderate	10.671 \| good	47.649 \| good	32.541 \| good	2.364 \| good	10.598 \| good	0.157 \| good
2025-07-21T09:00:00.000Z	56 \| moderate	11.563 \| good	50.925 \| good	30.199 \| good	2.414 \| good	11.454 \| good	0.162 \| good
2025-07-21T10:00:00.000Z	56 \| moderate	12.474 \| fine	56.575 \| fine	28.602 \| good	2.455 \| good	12.311 \| good	0.165 \| good
2025-07-21T11:00:00.000Z	54 \| moderate	10.831 \| good	47.878 \| good	25.197 \| good	2.497 \| good	13.169 \| good	0.169 \| good
2025-07-21T12:00:00.000Z	54 \| moderate	11.389 \| good	50.53 \| good	22.984 \| good	2.539 \| good	14.027 \| good	0.173 \| good
2025-07-21T13:00:00.000Z	54 \| moderate	10.939 \| good	48.522 \| good	20.221 \| good	2.801 \| good	12.164 \| good	0.168 \| good
2025-07-21T14:00:00.000Z	56 \| moderate	11.741 \| good	51.513 \| good	24.065 \| good	3.064 \| good	10.302 \| good	0.162 \| good
2025-07-21T15:00:00.000Z	58 \| moderate	13.285 \| fine	59.967 \| fine	31.272 \| good	3.326 \| good	8.439 \| good	0.157 \| good
2025-07-21T16:00:00.000Z	58 \| moderate	13.475 \| fine	60.581 \| fine	38.835 \| good	3.468 \| good	7.484 \| good	0.151 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	12.839 \| fine	57.16 \| fine	47.317 \| good	3.61 \| good	6.528 \| good	0.144 \| good
2025-07-21T18:00:00.000Z	56 \| moderate	12.162 \| fine	54.817 \| good	52.065 \| good	3.752 \| good	5.573 \| good	0.137 \| good
2025-07-21T19:00:00.000Z	52 \| moderate	10.416 \| good	46.15 \| good	55.165 \| fine	3.538 \| good	4.875 \| good	0.133 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	9.401 \| good	41.986 \| good	56.001 \| fine	3.324 \| good	4.178 \| good	0.128 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	8.804 \| good	38.351 \| good	56.073 \| fine	3.11 \| good	3.481 \| good	0.123 \| good
2025-07-21T22:00:00.000Z	54 \| moderate	7.018 \| good	31.037 \| good	55.616 \| fine	2.865 \| good	3.162 \| good	0.12 \| good
2025-07-21T23:00:00.000Z	54 \| moderate	6.251 \| good	27.883 \| good	56.068 \| fine	2.62 \| good	2.843 \| good	0.117 \| good

Castaic

Empower business decisions with accurate air quality data

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

0.18ppm

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 10:00:00, 2025-07-19.

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 2025-07-19.

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

The air quality in Castaic, California right now is Moderate, with an AQI of 58.

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 6.004 μg/m³.

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

Castaic, California currently has a PM₁₀ concentration of 29.35 μg/m³.

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

The current carbon monoxide (CO) level in Castaic, California is 0.141 ppm.

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

The current sulfur dioxide (SO₂) concentration in Castaic, California is 0.357 ppb.

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

Castaic, California currently has an ozone (O₃) concentration of 57.321 ppm.

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

The current level of nitrogen dioxide (NO₂) in Castaic, California is 3.378 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T12:00:00.000Z	52 \| moderate	10.064 \| good	34.091 \| good	21.89 \| good	0.211 \| good	3.759 \| good	0.172 \| good
2025-07-20T13:00:00.000Z	52 \| moderate	10.032 \| good	29.992 \| good	27.078 \| good	0.283 \| good	4.492 \| good	0.141 \| good
2025-07-20T14:00:00.000Z	49 \| good	8.855 \| good	29.563 \| good	24.228 \| good	0.281 \| good	7.034 \| good	0.186 \| good
2025-07-20T15:00:00.000Z	44 \| good	8.159 \| good	28.438 \| good	26.281 \| good	0.197 \| good	8.659 \| good	0.172 \| good
2025-07-20T16:00:00.000Z	49 \| good	8.522 \| good	32.119 \| good	30.476 \| good	0.359 \| good	6.363 \| good	0.12 \| good
2025-07-20T17:00:00.000Z	52 \| moderate	10.228 \| good	37.353 \| good	32.54 \| good	0.289 \| good	6.596 \| good	0.12 \| good
2025-07-20T18:00:00.000Z	52 \| moderate	10.196 \| good	34.549 \| good	37.688 \| good	0.285 \| good	5.848 \| good	0.12 \| good
2025-07-20T19:00:00.000Z	52 \| moderate	9.853 \| good	42.474 \| good	43.564 \| good	0.308 \| good	6.432 \| good	0.12 \| good
2025-07-20T20:00:00.000Z	54 \| moderate	10.527 \| good	38.755 \| good	50.668 \| good	0.288 \| good	5.24 \| good	0.141 \| good
2025-07-20T21:00:00.000Z	49 \| good	8.743 \| good	26.062 \| good	52.418 \| good	0.292 \| good	6.182 \| good	0.141 \| good
2025-07-20T22:00:00.000Z	64 \| moderate	9.81 \| good	37.659 \| good	58.641 \| fine	0.307 \| good	5.55 \| good	0.12 \| good
2025-07-20T23:00:00.000Z	71 \| moderate	9.302 \| good	44.136 \| good	60.944 \| fine	0.279 \| good	2.908 \| good	0.12 \| good
2025-07-21T00:00:00.000Z	49 \| good	8.616 \| good	35.924 \| good	53.432 \| good	0.328 \| good	2.636 \| good	0.149 \| good
2025-07-21T01:00:00.000Z	64 \| moderate	7.503 \| good	35.624 \| good	58.875 \| fine	0.266 \| good	3.374 \| good	0.186 \| good
2025-07-21T02:00:00.000Z	48 \| good	7.713 \| good	32.901 \| good	52.378 \| good	0.225 \| good	3.803 \| good	0.149 \| good
2025-07-21T03:00:00.000Z	48 \| good	7.846 \| good	29.128 \| good	51.784 \| good	0.333 \| good	4.626 \| good	0.141 \| good
2025-07-21T04:00:00.000Z	49 \| good	9.159 \| good	30.382 \| good	47.906 \| good	0.353 \| good	5.138 \| good	0.186 \| good
2025-07-21T05:00:00.000Z	44 \| good	8.339 \| good	31.304 \| good	44.284 \| good	0.3 \| good	7.879 \| good	0.12 \| good
2025-07-21T06:00:00.000Z	44 \| good	7.997 \| good	31.331 \| good	39.631 \| good	0.381 \| good	5.967 \| good	0.141 \| good
2025-07-21T07:00:00.000Z	49 \| good	9.454 \| good	24.509 \| good	35.69 \| good	0.282 \| good	5.552 \| good	0.128 \| good
2025-07-21T08:00:00.000Z	44 \| good	8.038 \| good	15.805 \| good	32.809 \| good	0.273 \| good	5.443 \| good	0.12 \| good
2025-07-21T09:00:00.000Z	52 \| moderate	9.76 \| good	37.946 \| good	25.879 \| good	0.193 \| good	3.711 \| good	0.12 \| good
2025-07-21T10:00:00.000Z	38 \| good	7.197 \| good	24.035 \| good	27.721 \| good	0.192 \| good	3.194 \| good	0.148 \| good
2025-07-21T11:00:00.000Z	38 \| good	6.939 \| good	20.586 \| good	27.902 \| good	0.187 \| good	5.298 \| good	0.12 \| good
2025-07-21T12:00:00.000Z	52 \| moderate	9.653 \| good	46.039 \| good	28.07 \| good	0.216 \| good	5.76 \| good	0.148 \| good
2025-07-21T13:00:00.000Z	44 \| good	7.899 \| good	27.022 \| good	25.605 \| good	0.208 \| good	5.256 \| good	0.186 \| good
2025-07-21T14:00:00.000Z	49 \| good	9.027 \| good	26.235 \| good	25.895 \| good	0.218 \| good	7.938 \| good	0.172 \| good
2025-07-21T15:00:00.000Z	33 \| good	5.869 \| good	24.913 \| good	19.082 \| good	0.218 \| good	11.204 \| good	0.141 \| good
2025-07-21T16:00:00.000Z	49 \| good	9.183 \| good	29.546 \| good	23.695 \| good	0.202 \| good	9.325 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	52 \| moderate	10.016 \| good	37.44 \| good	28.951 \| good	0.25 \| good	8.843 \| good	0.141 \| good
2025-07-21T18:00:00.000Z	38 \| good	6.876 \| good	26.184 \| good	32.939 \| good	0.238 \| good	8.739 \| good	0.12 \| good
2025-07-21T19:00:00.000Z	39 \| good	7.282 \| good	30.294 \| good	41.949 \| good	0.269 \| good	7.112 \| good	0.151 \| good
2025-07-21T20:00:00.000Z	42 \| good	6.89 \| good	24.066 \| good	45.073 \| good	0.23 \| good	6.98 \| good	0.141 \| good
2025-07-21T21:00:00.000Z	44 \| good	6.939 \| good	34.685 \| good	46.838 \| good	0.25 \| good	9.745 \| good	0.161 \| good
2025-07-21T22:00:00.000Z	48 \| good	7.481 \| good	31.8 \| good	51.747 \| good	0.267 \| good	10.439 \| good	0.151 \| good
2025-07-21T23:00:00.000Z	43 \| good	5.203 \| good	17.79 \| good	46.184 \| good	0.209 \| good	9.032 \| good	0.151 \| good
2025-07-22T00:00:00.000Z	47 \| good	4.366 \| good	23.164 \| good	51.118 \| good	0.229 \| good	7.282 \| good	0.12 \| good
2025-07-22T01:00:00.000Z	46 \| good	6.548 \| good	30.644 \| good	50.42 \| good	0.307 \| good	5.072 \| good	0.12 \| good
2025-07-22T02:00:00.000Z	45 \| good	5.164 \| good	21.021 \| good	48.956 \| good	0.345 \| good	4.811 \| good	0.12 \| good
2025-07-22T03:00:00.000Z	40 \| good	7.397 \| good	32.704 \| good	42.844 \| good	1.511 \| good	4.422 \| good	0.12 \| good
2025-07-22T04:00:00.000Z	46 \| good	3.873 \| good	14.753 \| good	49.95 \| good	0.371 \| good	5.854 \| good	0.12 \| good
2025-07-22T05:00:00.000Z	44 \| good	3.832 \| good	27.959 \| good	47.124 \| good	0.36 \| good	5.715 \| good	0.12 \| good
2025-07-22T06:00:00.000Z	40 \| good	4.991 \| good	25.19 \| good	43.085 \| good	0.357 \| good	4.434 \| good	0.12 \| good
2025-07-22T07:00:00.000Z	43 \| good	7.34 \| good	19.103 \| good	46.193 \| good	0.343 \| good	4.691 \| good	0.149 \| good
2025-07-22T08:00:00.000Z	62 \| moderate	4.949 \| good	77.903 \| fine	33.874 \| good	0.227 \| good	4.823 \| good	0.136 \| good
2025-07-22T09:00:00.000Z	38 \| good	6.81 \| good	26.947 \| good	26.297 \| good	0.274 \| good	4.573 \| good	0.11 \| good
2025-07-22T10:00:00.000Z	33 \| good	5.884 \| good	21.223 \| good	23.937 \| good	0.265 \| good	3.079 \| good	0.149 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.225 \| good	21.737 \| good	15.892 \| good	0.267 \| good	2.349 \| good	0.12 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.225 \| good	21.737 \| good	15.892 \| good	0.267 \| good	2.349 \| good	0.12 \| good
2025-07-20T00:00:00.000Z	50 \| good	7.141 \| good	31.703 \| good	53.88 \| good	1.54 \| good	2.163 \| good	0.139 \| good
2025-07-20T01:00:00.000Z	45 \| good	5.883 \| good	26.512 \| good	49.405 \| good	1.552 \| good	3.092 \| good	0.141 \| good
2025-07-20T02:00:00.000Z	40 \| good	5.472 \| good	23.258 \| good	43.298 \| good	1.564 \| good	4.022 \| good	0.143 \| good
2025-07-20T03:00:00.000Z	33 \| good	6.308 \| good	27.982 \| good	36.198 \| good	1.576 \| good	4.951 \| good	0.144 \| good
2025-07-20T04:00:00.000Z	38 \| good	7.293 \| good	31.982 \| good	33.12 \| good	1.702 \| good	6.136 \| good	0.15 \| good
2025-07-20T05:00:00.000Z	44 \| good	7.748 \| good	33.842 \| good	30.74 \| good	1.829 \| good	7.322 \| good	0.155 \| good
2025-07-20T06:00:00.000Z	44 \| good	8.111 \| good	35.573 \| good	28.271 \| good	1.955 \| good	8.507 \| good	0.161 \| good
2025-07-20T07:00:00.000Z	44 \| good	8.317 \| good	36.427 \| good	27.855 \| good	1.999 \| good	9.056 \| good	0.163 \| good
2025-07-20T08:00:00.000Z	52 \| moderate	10.27 \| good	45.229 \| good	24.818 \| good	2.042 \| good	9.605 \| good	0.165 \| good
2025-07-20T09:00:00.000Z	54 \| moderate	11.14 \| good	49.155 \| good	25.559 \| good	2.086 \| good	10.154 \| good	0.167 \| good
2025-07-20T10:00:00.000Z	58 \| moderate	12.82 \| fine	57.566 \| fine	26.48 \| good	2.193 \| good	10.098 \| good	0.166 \| good
2025-07-20T11:00:00.000Z	58 \| moderate	13.013 \| fine	59.116 \| fine	26.198 \| good	2.3 \| good	10.043 \| good	0.165 \| good
2025-07-20T12:00:00.000Z	60 \| moderate	13.998 \| fine	62.921 \| fine	27.465 \| good	2.406 \| good	9.987 \| good	0.164 \| good
2025-07-20T13:00:00.000Z	58 \| moderate	13.449 \| fine	60.753 \| fine	23.037 \| good	2.631 \| good	9.276 \| good	0.165 \| good
2025-07-20T14:00:00.000Z	60 \| moderate	14.212 \| fine	63.351 \| fine	23.142 \| good	2.855 \| good	8.565 \| good	0.166 \| good
2025-07-20T15:00:00.000Z	60 \| moderate	14.484 \| fine	64.264 \| fine	29.725 \| good	3.079 \| good	7.855 \| good	0.168 \| good
2025-07-20T16:00:00.000Z	60 \| moderate	13.806 \| fine	62.467 \| fine	38.47 \| good	3.121 \| good	7.102 \| good	0.164 \| good
2025-07-20T17:00:00.000Z	54 \| moderate	11.202 \| good	49.835 \| good	44.95 \| good	3.162 \| good	6.349 \| good	0.161 \| good
2025-07-20T18:00:00.000Z	49 \| good	8.653 \| good	38.086 \| good	50.319 \| good	3.204 \| good	5.596 \| good	0.158 \| good
2025-07-20T19:00:00.000Z	50 \| good	6.176 \| good	27.221 \| good	54.208 \| good	3.062 \| good	4.9 \| good	0.153 \| good
2025-07-20T20:00:00.000Z	58 \| moderate	7.705 \| good	33.857 \| good	56.733 \| fine	2.92 \| good	4.203 \| good	0.148 \| good
2025-07-20T21:00:00.000Z	80 \| moderate	9.118 \| good	40.63 \| good	63.763 \| fine	2.778 \| good	3.507 \| good	0.143 \| good
2025-07-20T22:00:00.000Z	87 \| moderate	9.974 \| good	44.568 \| good	65.692 \| fine	2.59 \| good	3.164 \| good	0.139 \| good
2025-07-20T23:00:00.000Z	74 \| moderate	9.131 \| good	40.601 \| good	61.544 \| fine	2.401 \| good	2.82 \| good	0.134 \| good
2025-07-21T00:00:00.000Z	58 \| moderate	8.314 \| good	36.738 \| good	56.605 \| fine	2.212 \| good	2.477 \| good	0.13 \| good
2025-07-21T01:00:00.000Z	51 \| moderate	9.127 \| good	40.701 \| good	54.6 \| good	2.15 \| good	3.367 \| good	0.131 \| good
2025-07-21T02:00:00.000Z	49 \| good	9.442 \| good	41.896 \| good	51.378 \| good	2.087 \| good	4.258 \| good	0.132 \| good
2025-07-21T03:00:00.000Z	54 \| moderate	10.584 \| good	46.897 \| good	47.023 \| good	2.024 \| good	5.148 \| good	0.133 \| good
2025-07-21T04:00:00.000Z	54 \| moderate	11.093 \| good	48.882 \| good	44.571 \| good	2.104 \| good	6.394 \| good	0.138 \| good
2025-07-21T05:00:00.000Z	56 \| moderate	11.654 \| good	51.04 \| good	42.77 \| good	2.184 \| good	7.64 \| good	0.144 \| good
2025-07-21T06:00:00.000Z	54 \| moderate	10.617 \| good	46.9 \| good	37.425 \| good	2.264 \| good	8.886 \| good	0.149 \| good
2025-07-21T07:00:00.000Z	54 \| moderate	10.699 \| good	47.706 \| good	34.399 \| good	2.314 \| good	9.742 \| good	0.153 \| good
2025-07-21T08:00:00.000Z	54 \| moderate	10.671 \| good	47.649 \| good	32.541 \| good	2.364 \| good	10.598 \| good	0.157 \| good
2025-07-21T09:00:00.000Z	56 \| moderate	11.563 \| good	50.925 \| good	30.199 \| good	2.414 \| good	11.454 \| good	0.162 \| good
2025-07-21T10:00:00.000Z	56 \| moderate	12.474 \| fine	56.575 \| fine	28.602 \| good	2.455 \| good	12.311 \| good	0.165 \| good
2025-07-21T11:00:00.000Z	54 \| moderate	10.831 \| good	47.878 \| good	25.197 \| good	2.497 \| good	13.169 \| good	0.169 \| good
2025-07-21T12:00:00.000Z	54 \| moderate	11.389 \| good	50.53 \| good	22.984 \| good	2.539 \| good	14.027 \| good	0.173 \| good
2025-07-21T13:00:00.000Z	54 \| moderate	10.939 \| good	48.522 \| good	20.221 \| good	2.801 \| good	12.164 \| good	0.168 \| good
2025-07-21T14:00:00.000Z	56 \| moderate	11.741 \| good	51.513 \| good	24.065 \| good	3.064 \| good	10.302 \| good	0.162 \| good
2025-07-21T15:00:00.000Z	58 \| moderate	13.285 \| fine	59.967 \| fine	31.272 \| good	3.326 \| good	8.439 \| good	0.157 \| good
2025-07-21T16:00:00.000Z	58 \| moderate	13.475 \| fine	60.581 \| fine	38.835 \| good	3.468 \| good	7.484 \| good	0.151 \| good
2025-07-21T17:00:00.000Z	58 \| moderate	12.839 \| fine	57.16 \| fine	47.317 \| good	3.61 \| good	6.528 \| good	0.144 \| good
2025-07-21T18:00:00.000Z	56 \| moderate	12.162 \| fine	54.817 \| good	52.065 \| good	3.752 \| good	5.573 \| good	0.137 \| good
2025-07-21T19:00:00.000Z	52 \| moderate	10.416 \| good	46.15 \| good	55.165 \| fine	3.538 \| good	4.875 \| good	0.133 \| good
2025-07-21T20:00:00.000Z	54 \| moderate	9.401 \| good	41.986 \| good	56.001 \| fine	3.324 \| good	4.178 \| good	0.128 \| good
2025-07-21T21:00:00.000Z	54 \| moderate	8.804 \| good	38.351 \| good	56.073 \| fine	3.11 \| good	3.481 \| good	0.123 \| good
2025-07-21T22:00:00.000Z	54 \| moderate	7.018 \| good	31.037 \| good	55.616 \| fine	2.865 \| good	3.162 \| good	0.12 \| good
2025-07-21T23:00:00.000Z	54 \| moderate	6.251 \| good	27.883 \| good	56.068 \| fine	2.62 \| good	2.843 \| good	0.117 \| 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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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 ozone (O₃) in Castaic, California?

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