What is the current concentration of PM10 in Simi Valley, California?

The current PM10 concentration at Simi Valley, California is 19.853 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Simi Valley, California?

The current sulfur dioxide (SO2) concentration at Simi Valley, California is 0.468 ppb.

What is the current concentration of ozone (O3) in Simi Valley, California?

The current ozone (O3) concentration at Simi Valley, California is 14.96 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Simi Valley, California?

The current nitrogen dioxide (NO2) concentration at Simi Valley, California is 24.602 ppb.

Simi Valley, California live air quality index now

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

Stay updated with real-time air quality in Simi Valley, 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

Simi Valley, California

Last updated: ... (Local time)

Major air pollutants in Simi Valley, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.12 μg/m³

155

255

425

605+

Ozone (O₃)

16.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.84 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.78 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Simi Valley, California

Get Live Pollen Counts

Simi Valley, California

Scroll To Air Quality Map

Track live Simi Valley, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T16:00:00.000Z	22 \| good	3.931 \| good	12.929 \| good	24.477 \| good	0.478 \| good	18.004 \| good	0.487 \| good
2025-10-19T17:00:00.000Z	28 \| good	3.754 \| good	13.483 \| good	30.469 \| good	0.46 \| good	16.151 \| good	0.325 \| good
2025-10-19T18:00:00.000Z	32 \| good	3.419 \| good	12.012 \| good	34.878 \| good	0.419 \| good	13.343 \| good	0.236 \| good
2025-10-19T19:00:00.000Z	39 \| good	3.146 \| good	12.373 \| good	41.984 \| good	0.501 \| good	10.347 \| good	0.28 \| good
2025-10-19T20:00:00.000Z	45 \| good	3.011 \| good	12.821 \| good	48.649 \| good	0.457 \| good	7.093 \| good	0.214 \| good
2025-10-19T21:00:00.000Z	49 \| good	5.166 \| good	16.314 \| good	53.119 \| good	0.486 \| good	7.657 \| good	0.204 \| good
2025-10-19T22:00:00.000Z	61 \| moderate	4.386 \| good	14.941 \| good	58.17 \| fine	0.482 \| good	5.751 \| good	0.202 \| good
2025-10-19T23:00:00.000Z	71 \| moderate	4.19 \| good	14.548 \| good	61.202 \| fine	0.49 \| good	5.932 \| good	0.169 \| good
2025-10-20T00:00:00.000Z	58 \| moderate	3.979 \| good	14.962 \| good	57.427 \| fine	0.53 \| good	3.448 \| good	0.158 \| good
2025-10-20T01:00:00.000Z	54 \| moderate	4.645 \| good	14.992 \| good	56.441 \| fine	0.817 \| good	4.121 \| good	0.158 \| good
2025-10-20T02:00:00.000Z	50 \| good	6.374 \| good	21.189 \| good	53.971 \| good	0.866 \| good	6.527 \| good	0.171 \| good
2025-10-20T03:00:00.000Z	47 \| good	7.13 \| good	24.179 \| good	50.634 \| good	0.551 \| good	11.145 \| good	0.281 \| good
2025-10-20T04:00:00.000Z	49 \| good	9.061 \| good	30.949 \| good	41.098 \| good	0.415 \| good	13.51 \| good	0.406 \| good
2025-10-20T05:00:00.000Z	49 \| good	9.191 \| good	29.998 \| good	40.106 \| good	0.488 \| good	15.524 \| good	0.354 \| good
2025-10-20T06:00:00.000Z	49 \| good	8.883 \| good	28.566 \| good	35.063 \| good	0.473 \| good	17.25 \| good	0.41 \| good
2025-10-20T07:00:00.000Z	49 \| good	8.883 \| good	28.566 \| good	35.063 \| good	0.472 \| good	19.56 \| good	0.409 \| good
2025-10-20T08:00:00.000Z	44 \| good	8.254 \| good	26.157 \| good	22.406 \| good	0.483 \| good	17.442 \| good	0.463 \| good
2025-10-20T09:00:00.000Z	49 \| good	8.528 \| good	22.772 \| good	21.022 \| good	0.452 \| good	15.461 \| good	0.461 \| good
2025-10-20T10:00:00.000Z	44 \| good	7.772 \| good	19.353 \| good	23.667 \| good	0.406 \| good	14.756 \| good	0.394 \| good
2025-10-20T11:00:00.000Z	38 \| good	7.371 \| good	19.106 \| good	20.404 \| good	0.414 \| good	16.425 \| good	0.379 \| good
2025-10-20T12:00:00.000Z	38 \| good	7.26 \| good	18.865 \| good	16.962 \| good	0.338 \| good	17.219 \| good	0.379 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.26 \| good	18.865 \| good	16.962 \| good	0.343 \| good	18.004 \| good	0.38 \| good
2025-10-20T14:00:00.000Z	27 \| good	4.917 \| good	15.972 \| good	17.531 \| good	0.376 \| good	21.698 \| good	0.578 \| good
2025-10-20T15:00:00.000Z	33 \| good	5.776 \| good	22.841 \| good	17.875 \| good	0.437 \| good	26.048 \| good	0.762 \| good
2025-10-20T16:00:00.000Z	33 \| good	6.46 \| good	28.237 \| good	22.967 \| good	0.857 \| good	29.312 \| good	0.749 \| good
2025-10-20T17:00:00.000Z	33 \| good	5.979 \| good	27.246 \| good	27.756 \| good	0.521 \| good	26.908 \| good	0.486 \| good
2025-10-20T18:00:00.000Z	34 \| good	5.445 \| good	22.47 \| good	36.871 \| good	0.577 \| good	20.591 \| good	0.327 \| good
2025-10-20T19:00:00.000Z	41 \| good	4.073 \| good	16.799 \| good	43.693 \| good	0.532 \| good	17.265 \| good	0.202 \| good
2025-10-20T20:00:00.000Z	45 \| good	2.878 \| good	12.751 \| good	49.359 \| good	0.568 \| good	14.402 \| good	0.191 \| good
2025-10-20T21:00:00.000Z	54 \| moderate	3.444 \| good	13.852 \| good	55.899 \| fine	0.705 \| good	12.052 \| good	0.212 \| good
2025-10-20T22:00:00.000Z	71 \| moderate	3.929 \| good	15.6 \| good	60.985 \| fine	0.624 \| good	13.337 \| good	0.246 \| good
2025-10-20T23:00:00.000Z	84 \| moderate	6.649 \| good	20.089 \| good	65.223 \| fine	0.795 \| good	14.252 \| good	0.281 \| good
2025-10-21T00:00:00.000Z	80 \| moderate	7.106 \| good	23.481 \| good	64.318 \| fine	1.089 \| good	14.215 \| good	0.27 \| good
2025-10-21T01:00:00.000Z	77 \| moderate	7.729 \| good	26.241 \| good	62.601 \| fine	1.042 \| good	16.757 \| good	0.282 \| good
2025-10-21T02:00:00.000Z	51 \| moderate	9.491 \| good	29.254 \| good	55.023 \| fine	0.752 \| good	16.594 \| good	0.239 \| good
2025-10-21T03:00:00.000Z	62 \| moderate	15.125 \| fine	67.17 \| fine	32.599 \| good	3.729 \| good	28.879 \| good	0.362 \| good
2025-10-21T04:00:00.000Z	52 \| moderate	9.714 \| good	29.736 \| good	44.153 \| good	0.612 \| good	20.785 \| good	0.348 \| good
2025-10-21T05:00:00.000Z	49 \| good	9.492 \| good	32.136 \| good	38.969 \| good	0.568 \| good	21.593 \| good	0.326 \| good
2025-10-21T06:00:00.000Z	54 \| moderate	10.667 \| good	31.847 \| good	35.551 \| good	0.494 \| good	25.843 \| good	0.378 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	10.667 \| good	31.847 \| good	35.551 \| good	0.503 \| good	25.813 \| good	0.377 \| good
2025-10-21T08:00:00.000Z	54 \| moderate	11.475 \| good	26.134 \| good	28.7 \| good	0.456 \| good	23.619 \| good	0.401 \| good
2025-10-21T09:00:00.000Z	54 \| moderate	11.185 \| good	23.231 \| good	19.452 \| good	0.466 \| good	19.197 \| good	0.395 \| good
2025-10-21T10:00:00.000Z	49 \| good	8.544 \| good	20.933 \| good	17.783 \| good	0.371 \| good	19.353 \| good	0.367 \| good
2025-10-21T11:00:00.000Z	44 \| good	8.065 \| good	19.853 \| good	14.96 \| good	0.468 \| good	24.602 \| good	0.293 \| good
2025-10-21T12:00:00.000Z	44 \| good	7.829 \| good	19.669 \| good	16.065 \| good	0.443 \| good	25.967 \| good	0.339 \| good
2025-10-21T13:00:00.000Z	44 \| good	7.829 \| good	19.669 \| good	16.065 \| good	0.442 \| good	22.507 \| good	0.338 \| good
2025-10-21T14:00:00.000Z	49 \| good	9.334 \| good	29.994 \| good	14.982 \| good	0.59 \| good	25.88 \| good	0.673 \| good
2025-10-21T15:00:00.000Z	49 \| good	8.598 \| good	28.119 \| good	16.141 \| good	0.842 \| good	23.452 \| good	0.784 \| good
2025-10-21T15:00:00.000Z	49 \| good	8.598 \| good	28.119 \| good	16.141 \| good	0.842 \| good	23.452 \| good	0.784 \| good
2025-10-21T13:00:00.000Z	52 \| moderate	9.572 \| good	42.551 \| good	11.625 \| good	0.982 \| good	14.425 \| good	0.244 \| good
2025-10-21T14:00:00.000Z	58 \| moderate	12.954 \| fine	57.786 \| fine	11.626 \| good	0.996 \| good	13.543 \| good	0.249 \| good
2025-10-21T15:00:00.000Z	56 \| moderate	12.304 \| fine	54.864 \| good	15.604 \| good	1.009 \| good	12.662 \| good	0.255 \| good
2025-10-21T16:00:00.000Z	52 \| moderate	10.303 \| good	45.742 \| good	28.583 \| good	1.317 \| good	10.503 \| good	0.231 \| good
2025-10-21T17:00:00.000Z	52 \| moderate	10.177 \| good	45.196 \| good	42.238 \| good	1.624 \| good	8.345 \| good	0.207 \| good
2025-10-21T18:00:00.000Z	54 \| moderate	11.126 \| good	49.078 \| good	53.391 \| good	1.932 \| good	6.187 \| good	0.183 \| good
2025-10-21T19:00:00.000Z	84 \| moderate	13.175 \| fine	58.781 \| fine	65.443 \| fine	2.021 \| good	5.588 \| good	0.178 \| good
2025-10-21T20:00:00.000Z	108 \| sensitive	15.037 \| fine	66.821 \| fine	72.909 \| moderate	2.109 \| good	4.989 \| good	0.172 \| good
2025-10-21T21:00:00.000Z	115 \| sensitive	13.071 \| fine	58.753 \| fine	74.679 \| moderate	2.198 \| good	4.391 \| good	0.167 \| good
2025-10-21T22:00:00.000Z	100 \| moderate	11.659 \| good	51.219 \| good	69.707 \| fine	2.198 \| good	4.628 \| good	0.169 \| good
2025-10-21T23:00:00.000Z	77 \| moderate	8.467 \| good	37.205 \| good	62.917 \| fine	2.197 \| good	4.865 \| good	0.172 \| good
2025-10-22T00:00:00.000Z	48 \| good	5.489 \| good	23.588 \| good	51.835 \| good	2.197 \| good	5.102 \| good	0.175 \| good
2025-10-22T01:00:00.000Z	39 \| good	4.079 \| good	17.559 \| good	41.889 \| good	2.099 \| good	9.432 \| good	0.21 \| good
2025-10-22T02:00:00.000Z	31 \| good	4.991 \| good	21.602 \| good	33.268 \| good	2.001 \| good	13.762 \| good	0.246 \| good
2025-10-22T03:00:00.000Z	23 \| good	4.272 \| good	18.424 \| good	25.032 \| good	1.903 \| good	18.091 \| good	0.282 \| good
2025-10-22T04:00:00.000Z	27 \| good	5.154 \| good	22.208 \| good	21.389 \| good	2.02 \| good	19.62 \| good	0.298 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.867 \| good	25.238 \| good	21.031 \| good	2.138 \| good	21.149 \| good	0.313 \| good
2025-10-22T06:00:00.000Z	38 \| good	6.801 \| good	30.076 \| good	23.602 \| good	2.255 \| good	22.678 \| good	0.328 \| good
2025-10-22T07:00:00.000Z	38 \| good	6.95 \| good	31.003 \| good	22.757 \| good	2.285 \| good	22.539 \| good	0.332 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.762 \| good	34.223 \| good	21.768 \| good	2.316 \| good	22.4 \| good	0.336 \| good
2025-10-22T09:00:00.000Z	38 \| good	6.678 \| good	30.084 \| good	18.785 \| good	2.346 \| good	22.261 \| good	0.341 \| good
2025-10-22T10:00:00.000Z	33 \| good	6.416 \| good	28.262 \| good	17.369 \| good	2.327 \| good	21.827 \| good	0.333 \| good
2025-10-22T11:00:00.000Z	33 \| good	5.793 \| good	25.326 \| good	16.705 \| good	2.308 \| good	21.393 \| good	0.326 \| good
2025-10-22T12:00:00.000Z	22 \| good	4.292 \| good	19.132 \| good	15.069 \| good	2.289 \| good	20.959 \| good	0.318 \| good
2025-10-22T13:00:00.000Z	27 \| good	4.546 \| good	19.456 \| good	14.45 \| good	2.309 \| good	20.412 \| good	0.325 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.742 \| good	16.312 \| good	17.799 \| good	2.329 \| good	19.865 \| good	0.331 \| good
2025-10-22T15:00:00.000Z	22 \| good	3.605 \| good	15.552 \| good	24.116 \| good	2.349 \| good	19.317 \| good	0.337 \| good
2025-10-22T16:00:00.000Z	29 \| good	2.855 \| good	11.658 \| good	30.583 \| good	2.18 \| good	14.658 \| good	0.284 \| good
2025-10-22T17:00:00.000Z	34 \| good	2.164 \| good	8.412 \| good	36.937 \| good	2.012 \| good	9.999 \| good	0.231 \| good
2025-10-22T18:00:00.000Z	38 \| good	0.913 \| good	3.237 \| good	41.032 \| good	1.844 \| good	5.339 \| good	0.179 \| good
2025-10-22T19:00:00.000Z	42 \| good	0.8 \| good	3.095 \| good	44.869 \| good	1.503 \| good	4.163 \| good	0.164 \| good
2025-10-22T20:00:00.000Z	42 \| good	1.829 \| good	7.88 \| good	44.941 \| good	1.163 \| good	2.986 \| good	0.15 \| good
2025-10-22T21:00:00.000Z	42 \| good	1.898 \| good	7.97 \| good	45.465 \| good	0.823 \| good	1.81 \| good	0.136 \| good
2025-10-22T22:00:00.000Z	42 \| good	1.997 \| good	7.99 \| good	45.339 \| good	0.695 \| good	1.659 \| good	0.13 \| good
2025-10-22T23:00:00.000Z	41 \| good	1.868 \| good	7.889 \| good	44.337 \| good	0.567 \| good	1.507 \| good	0.124 \| good
2025-10-23T00:00:00.000Z	37 \| good	1.538 \| good	6.072 \| good	40.221 \| good	0.439 \| good	1.356 \| good	0.117 \| good
2025-10-23T01:00:00.000Z	32 \| good	1.171 \| good	4.971 \| good	34.648 \| good	0.476 \| good	3.818 \| good	0.135 \| good
2025-10-23T02:00:00.000Z	26 \| good	2.343 \| good	9.951 \| good	27.995 \| good	0.513 \| good	6.28 \| good	0.152 \| good
2025-10-23T03:00:00.000Z	19 \| good	2.161 \| good	8.977 \| good	19.679 \| good	0.55 \| good	8.743 \| good	0.169 \| good
2025-10-23T04:00:00.000Z	16 \| good	2.816 \| good	11.857 \| good	16.377 \| good	0.662 \| good	11.061 \| good	0.185 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.801 \| good	16.203 \| good	15.314 \| good	0.775 \| good	13.38 \| good	0.2 \| good
2025-10-23T06:00:00.000Z	54 \| moderate	11.364 \| good	14.441 \| good	18.381 \| good	0.897 \| good	15.779 \| good	0.217 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.408 \| good	19.164 \| good	21.884 \| good	0.951 \| good	15.1 \| good	0.21 \| good
2025-10-23T08:00:00.000Z	33 \| good	6.032 \| good	27.266 \| good	20.926 \| good	1.016 \| good	14.502 \| good	0.204 \| good
2025-10-23T09:00:00.000Z	33 \| good	5.559 \| good	23.758 \| good	17.869 \| good	1.08 \| good	13.905 \| good	0.197 \| good
2025-10-23T10:00:00.000Z	38 \| good	7.042 \| good	31.253 \| good	15.453 \| good	1.159 \| good	13.929 \| good	0.193 \| good
2025-10-23T11:00:00.000Z	44 \| good	7.81 \| good	34.034 \| good	12.695 \| good	1.239 \| good	13.953 \| good	0.188 \| good
2025-10-23T12:00:00.000Z	54 \| moderate	11.132 \| good	13.553 \| good	19.988 \| good	1.322 \| good	14.01 \| good	0.184 \| good

Simi Valley

Get reliable air quality data to drive your business

Simi Valley, California air quality map: Track AQI near you

0.33ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Simi Valley, California updated?

The air quality for Simi Valley, California is updated every hour.

When was the worst air quality at Simi Valley, California in the last 24 hrs?

The worst air quality in Simi Valley, California in the last 24 hours was observed at 11:00:00 on 2025-10-20.

When was the best air quality at Simi Valley, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Simi Valley, California was observed at 02:00:00 on 2025-10-20.

What is the current air quality in Simi Valley, California?

The current air quality in Simi Valley, California is 44, categorized as Good based on real-time data.

What pollutant is the most common in Simi Valley, California?

The most common pollutant in Simi Valley, California is PM2.5.

What should I do if the air quality in Simi Valley, California is poor?

If the air quality in Simi Valley, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Simi Valley, California?

The current PM_2.5 concentration at Simi Valley, California is 8.065 μg/m³.

What is the current concentration of PM₁₀ in Simi Valley, California?

The current PM₁₀ concentration at Simi Valley, California is 19.853 μg/m³.

What is the current concentration of carbon monoxide (CO) in Simi Valley, California?

The current carbon monoxide (CO) concentration at Simi Valley, California is 0.293 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Simi Valley, California?

The current sulfur dioxide (SO₂) concentration at Simi Valley, California is 0.468 ppb.

What is the current concentration of ozone (O₃) in Simi Valley, California?

The current ozone (O₃) concentration at Simi Valley, California is 14.96 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Simi Valley, California?

The current nitrogen dioxide (NO₂) concentration at Simi Valley, California is 24.602 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T16:00:00.000Z	22 \| good	3.931 \| good	12.929 \| good	24.477 \| good	0.478 \| good	18.004 \| good	0.487 \| good
2025-10-19T17:00:00.000Z	28 \| good	3.754 \| good	13.483 \| good	30.469 \| good	0.46 \| good	16.151 \| good	0.325 \| good
2025-10-19T18:00:00.000Z	32 \| good	3.419 \| good	12.012 \| good	34.878 \| good	0.419 \| good	13.343 \| good	0.236 \| good
2025-10-19T19:00:00.000Z	39 \| good	3.146 \| good	12.373 \| good	41.984 \| good	0.501 \| good	10.347 \| good	0.28 \| good
2025-10-19T20:00:00.000Z	45 \| good	3.011 \| good	12.821 \| good	48.649 \| good	0.457 \| good	7.093 \| good	0.214 \| good
2025-10-19T21:00:00.000Z	49 \| good	5.166 \| good	16.314 \| good	53.119 \| good	0.486 \| good	7.657 \| good	0.204 \| good
2025-10-19T22:00:00.000Z	61 \| moderate	4.386 \| good	14.941 \| good	58.17 \| fine	0.482 \| good	5.751 \| good	0.202 \| good
2025-10-19T23:00:00.000Z	71 \| moderate	4.19 \| good	14.548 \| good	61.202 \| fine	0.49 \| good	5.932 \| good	0.169 \| good
2025-10-20T00:00:00.000Z	58 \| moderate	3.979 \| good	14.962 \| good	57.427 \| fine	0.53 \| good	3.448 \| good	0.158 \| good
2025-10-20T01:00:00.000Z	54 \| moderate	4.645 \| good	14.992 \| good	56.441 \| fine	0.817 \| good	4.121 \| good	0.158 \| good
2025-10-20T02:00:00.000Z	50 \| good	6.374 \| good	21.189 \| good	53.971 \| good	0.866 \| good	6.527 \| good	0.171 \| good
2025-10-20T03:00:00.000Z	47 \| good	7.13 \| good	24.179 \| good	50.634 \| good	0.551 \| good	11.145 \| good	0.281 \| good
2025-10-20T04:00:00.000Z	49 \| good	9.061 \| good	30.949 \| good	41.098 \| good	0.415 \| good	13.51 \| good	0.406 \| good
2025-10-20T05:00:00.000Z	49 \| good	9.191 \| good	29.998 \| good	40.106 \| good	0.488 \| good	15.524 \| good	0.354 \| good
2025-10-20T06:00:00.000Z	49 \| good	8.883 \| good	28.566 \| good	35.063 \| good	0.473 \| good	17.25 \| good	0.41 \| good
2025-10-20T07:00:00.000Z	49 \| good	8.883 \| good	28.566 \| good	35.063 \| good	0.472 \| good	19.56 \| good	0.409 \| good
2025-10-20T08:00:00.000Z	44 \| good	8.254 \| good	26.157 \| good	22.406 \| good	0.483 \| good	17.442 \| good	0.463 \| good
2025-10-20T09:00:00.000Z	49 \| good	8.528 \| good	22.772 \| good	21.022 \| good	0.452 \| good	15.461 \| good	0.461 \| good
2025-10-20T10:00:00.000Z	44 \| good	7.772 \| good	19.353 \| good	23.667 \| good	0.406 \| good	14.756 \| good	0.394 \| good
2025-10-20T11:00:00.000Z	38 \| good	7.371 \| good	19.106 \| good	20.404 \| good	0.414 \| good	16.425 \| good	0.379 \| good
2025-10-20T12:00:00.000Z	38 \| good	7.26 \| good	18.865 \| good	16.962 \| good	0.338 \| good	17.219 \| good	0.379 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.26 \| good	18.865 \| good	16.962 \| good	0.343 \| good	18.004 \| good	0.38 \| good
2025-10-20T14:00:00.000Z	27 \| good	4.917 \| good	15.972 \| good	17.531 \| good	0.376 \| good	21.698 \| good	0.578 \| good
2025-10-20T15:00:00.000Z	33 \| good	5.776 \| good	22.841 \| good	17.875 \| good	0.437 \| good	26.048 \| good	0.762 \| good
2025-10-20T16:00:00.000Z	33 \| good	6.46 \| good	28.237 \| good	22.967 \| good	0.857 \| good	29.312 \| good	0.749 \| good
2025-10-20T17:00:00.000Z	33 \| good	5.979 \| good	27.246 \| good	27.756 \| good	0.521 \| good	26.908 \| good	0.486 \| good
2025-10-20T18:00:00.000Z	34 \| good	5.445 \| good	22.47 \| good	36.871 \| good	0.577 \| good	20.591 \| good	0.327 \| good
2025-10-20T19:00:00.000Z	41 \| good	4.073 \| good	16.799 \| good	43.693 \| good	0.532 \| good	17.265 \| good	0.202 \| good
2025-10-20T20:00:00.000Z	45 \| good	2.878 \| good	12.751 \| good	49.359 \| good	0.568 \| good	14.402 \| good	0.191 \| good
2025-10-20T21:00:00.000Z	54 \| moderate	3.444 \| good	13.852 \| good	55.899 \| fine	0.705 \| good	12.052 \| good	0.212 \| good
2025-10-20T22:00:00.000Z	71 \| moderate	3.929 \| good	15.6 \| good	60.985 \| fine	0.624 \| good	13.337 \| good	0.246 \| good
2025-10-20T23:00:00.000Z	84 \| moderate	6.649 \| good	20.089 \| good	65.223 \| fine	0.795 \| good	14.252 \| good	0.281 \| good
2025-10-21T00:00:00.000Z	80 \| moderate	7.106 \| good	23.481 \| good	64.318 \| fine	1.089 \| good	14.215 \| good	0.27 \| good
2025-10-21T01:00:00.000Z	77 \| moderate	7.729 \| good	26.241 \| good	62.601 \| fine	1.042 \| good	16.757 \| good	0.282 \| good
2025-10-21T02:00:00.000Z	51 \| moderate	9.491 \| good	29.254 \| good	55.023 \| fine	0.752 \| good	16.594 \| good	0.239 \| good
2025-10-21T03:00:00.000Z	62 \| moderate	15.125 \| fine	67.17 \| fine	32.599 \| good	3.729 \| good	28.879 \| good	0.362 \| good
2025-10-21T04:00:00.000Z	52 \| moderate	9.714 \| good	29.736 \| good	44.153 \| good	0.612 \| good	20.785 \| good	0.348 \| good
2025-10-21T05:00:00.000Z	49 \| good	9.492 \| good	32.136 \| good	38.969 \| good	0.568 \| good	21.593 \| good	0.326 \| good
2025-10-21T06:00:00.000Z	54 \| moderate	10.667 \| good	31.847 \| good	35.551 \| good	0.494 \| good	25.843 \| good	0.378 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	10.667 \| good	31.847 \| good	35.551 \| good	0.503 \| good	25.813 \| good	0.377 \| good
2025-10-21T08:00:00.000Z	54 \| moderate	11.475 \| good	26.134 \| good	28.7 \| good	0.456 \| good	23.619 \| good	0.401 \| good
2025-10-21T09:00:00.000Z	54 \| moderate	11.185 \| good	23.231 \| good	19.452 \| good	0.466 \| good	19.197 \| good	0.395 \| good
2025-10-21T10:00:00.000Z	49 \| good	8.544 \| good	20.933 \| good	17.783 \| good	0.371 \| good	19.353 \| good	0.367 \| good
2025-10-21T11:00:00.000Z	44 \| good	8.065 \| good	19.853 \| good	14.96 \| good	0.468 \| good	24.602 \| good	0.293 \| good
2025-10-21T12:00:00.000Z	44 \| good	7.829 \| good	19.669 \| good	16.065 \| good	0.443 \| good	25.967 \| good	0.339 \| good
2025-10-21T13:00:00.000Z	44 \| good	7.829 \| good	19.669 \| good	16.065 \| good	0.442 \| good	22.507 \| good	0.338 \| good
2025-10-21T14:00:00.000Z	49 \| good	9.334 \| good	29.994 \| good	14.982 \| good	0.59 \| good	25.88 \| good	0.673 \| good
2025-10-21T15:00:00.000Z	49 \| good	8.598 \| good	28.119 \| good	16.141 \| good	0.842 \| good	23.452 \| good	0.784 \| good
2025-10-21T15:00:00.000Z	49 \| good	8.598 \| good	28.119 \| good	16.141 \| good	0.842 \| good	23.452 \| good	0.784 \| good
2025-10-21T13:00:00.000Z	52 \| moderate	9.572 \| good	42.551 \| good	11.625 \| good	0.982 \| good	14.425 \| good	0.244 \| good
2025-10-21T14:00:00.000Z	58 \| moderate	12.954 \| fine	57.786 \| fine	11.626 \| good	0.996 \| good	13.543 \| good	0.249 \| good
2025-10-21T15:00:00.000Z	56 \| moderate	12.304 \| fine	54.864 \| good	15.604 \| good	1.009 \| good	12.662 \| good	0.255 \| good
2025-10-21T16:00:00.000Z	52 \| moderate	10.303 \| good	45.742 \| good	28.583 \| good	1.317 \| good	10.503 \| good	0.231 \| good
2025-10-21T17:00:00.000Z	52 \| moderate	10.177 \| good	45.196 \| good	42.238 \| good	1.624 \| good	8.345 \| good	0.207 \| good
2025-10-21T18:00:00.000Z	54 \| moderate	11.126 \| good	49.078 \| good	53.391 \| good	1.932 \| good	6.187 \| good	0.183 \| good
2025-10-21T19:00:00.000Z	84 \| moderate	13.175 \| fine	58.781 \| fine	65.443 \| fine	2.021 \| good	5.588 \| good	0.178 \| good
2025-10-21T20:00:00.000Z	108 \| sensitive	15.037 \| fine	66.821 \| fine	72.909 \| moderate	2.109 \| good	4.989 \| good	0.172 \| good
2025-10-21T21:00:00.000Z	115 \| sensitive	13.071 \| fine	58.753 \| fine	74.679 \| moderate	2.198 \| good	4.391 \| good	0.167 \| good
2025-10-21T22:00:00.000Z	100 \| moderate	11.659 \| good	51.219 \| good	69.707 \| fine	2.198 \| good	4.628 \| good	0.169 \| good
2025-10-21T23:00:00.000Z	77 \| moderate	8.467 \| good	37.205 \| good	62.917 \| fine	2.197 \| good	4.865 \| good	0.172 \| good
2025-10-22T00:00:00.000Z	48 \| good	5.489 \| good	23.588 \| good	51.835 \| good	2.197 \| good	5.102 \| good	0.175 \| good
2025-10-22T01:00:00.000Z	39 \| good	4.079 \| good	17.559 \| good	41.889 \| good	2.099 \| good	9.432 \| good	0.21 \| good
2025-10-22T02:00:00.000Z	31 \| good	4.991 \| good	21.602 \| good	33.268 \| good	2.001 \| good	13.762 \| good	0.246 \| good
2025-10-22T03:00:00.000Z	23 \| good	4.272 \| good	18.424 \| good	25.032 \| good	1.903 \| good	18.091 \| good	0.282 \| good
2025-10-22T04:00:00.000Z	27 \| good	5.154 \| good	22.208 \| good	21.389 \| good	2.02 \| good	19.62 \| good	0.298 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.867 \| good	25.238 \| good	21.031 \| good	2.138 \| good	21.149 \| good	0.313 \| good
2025-10-22T06:00:00.000Z	38 \| good	6.801 \| good	30.076 \| good	23.602 \| good	2.255 \| good	22.678 \| good	0.328 \| good
2025-10-22T07:00:00.000Z	38 \| good	6.95 \| good	31.003 \| good	22.757 \| good	2.285 \| good	22.539 \| good	0.332 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.762 \| good	34.223 \| good	21.768 \| good	2.316 \| good	22.4 \| good	0.336 \| good
2025-10-22T09:00:00.000Z	38 \| good	6.678 \| good	30.084 \| good	18.785 \| good	2.346 \| good	22.261 \| good	0.341 \| good
2025-10-22T10:00:00.000Z	33 \| good	6.416 \| good	28.262 \| good	17.369 \| good	2.327 \| good	21.827 \| good	0.333 \| good
2025-10-22T11:00:00.000Z	33 \| good	5.793 \| good	25.326 \| good	16.705 \| good	2.308 \| good	21.393 \| good	0.326 \| good
2025-10-22T12:00:00.000Z	22 \| good	4.292 \| good	19.132 \| good	15.069 \| good	2.289 \| good	20.959 \| good	0.318 \| good
2025-10-22T13:00:00.000Z	27 \| good	4.546 \| good	19.456 \| good	14.45 \| good	2.309 \| good	20.412 \| good	0.325 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.742 \| good	16.312 \| good	17.799 \| good	2.329 \| good	19.865 \| good	0.331 \| good
2025-10-22T15:00:00.000Z	22 \| good	3.605 \| good	15.552 \| good	24.116 \| good	2.349 \| good	19.317 \| good	0.337 \| good
2025-10-22T16:00:00.000Z	29 \| good	2.855 \| good	11.658 \| good	30.583 \| good	2.18 \| good	14.658 \| good	0.284 \| good
2025-10-22T17:00:00.000Z	34 \| good	2.164 \| good	8.412 \| good	36.937 \| good	2.012 \| good	9.999 \| good	0.231 \| good
2025-10-22T18:00:00.000Z	38 \| good	0.913 \| good	3.237 \| good	41.032 \| good	1.844 \| good	5.339 \| good	0.179 \| good
2025-10-22T19:00:00.000Z	42 \| good	0.8 \| good	3.095 \| good	44.869 \| good	1.503 \| good	4.163 \| good	0.164 \| good
2025-10-22T20:00:00.000Z	42 \| good	1.829 \| good	7.88 \| good	44.941 \| good	1.163 \| good	2.986 \| good	0.15 \| good
2025-10-22T21:00:00.000Z	42 \| good	1.898 \| good	7.97 \| good	45.465 \| good	0.823 \| good	1.81 \| good	0.136 \| good
2025-10-22T22:00:00.000Z	42 \| good	1.997 \| good	7.99 \| good	45.339 \| good	0.695 \| good	1.659 \| good	0.13 \| good
2025-10-22T23:00:00.000Z	41 \| good	1.868 \| good	7.889 \| good	44.337 \| good	0.567 \| good	1.507 \| good	0.124 \| good
2025-10-23T00:00:00.000Z	37 \| good	1.538 \| good	6.072 \| good	40.221 \| good	0.439 \| good	1.356 \| good	0.117 \| good
2025-10-23T01:00:00.000Z	32 \| good	1.171 \| good	4.971 \| good	34.648 \| good	0.476 \| good	3.818 \| good	0.135 \| good
2025-10-23T02:00:00.000Z	26 \| good	2.343 \| good	9.951 \| good	27.995 \| good	0.513 \| good	6.28 \| good	0.152 \| good
2025-10-23T03:00:00.000Z	19 \| good	2.161 \| good	8.977 \| good	19.679 \| good	0.55 \| good	8.743 \| good	0.169 \| good
2025-10-23T04:00:00.000Z	16 \| good	2.816 \| good	11.857 \| good	16.377 \| good	0.662 \| good	11.061 \| good	0.185 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.801 \| good	16.203 \| good	15.314 \| good	0.775 \| good	13.38 \| good	0.2 \| good
2025-10-23T06:00:00.000Z	54 \| moderate	11.364 \| good	14.441 \| good	18.381 \| good	0.897 \| good	15.779 \| good	0.217 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.408 \| good	19.164 \| good	21.884 \| good	0.951 \| good	15.1 \| good	0.21 \| good
2025-10-23T08:00:00.000Z	33 \| good	6.032 \| good	27.266 \| good	20.926 \| good	1.016 \| good	14.502 \| good	0.204 \| good
2025-10-23T09:00:00.000Z	33 \| good	5.559 \| good	23.758 \| good	17.869 \| good	1.08 \| good	13.905 \| good	0.197 \| good
2025-10-23T10:00:00.000Z	38 \| good	7.042 \| good	31.253 \| good	15.453 \| good	1.159 \| good	13.929 \| good	0.193 \| good
2025-10-23T11:00:00.000Z	44 \| good	7.81 \| good	34.034 \| good	12.695 \| good	1.239 \| good	13.953 \| good	0.188 \| good
2025-10-23T12:00:00.000Z	54 \| moderate	11.132 \| good	13.553 \| good	19.988 \| good	1.322 \| good	14.01 \| good	0.184 \| good

Simi Valley, California live air quality index now

Major air pollutants in Simi Valley, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Simi Valley, California air quality map: Track AQI near you

Air quality in nearby cities

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Calabasas, California

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Frequently asked questions

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What is the current concentration of PM2.5 in Simi Valley, California?

What is the current concentration of PM10 in Simi Valley, California?

What is the current concentration of carbon monoxide (CO) in Simi Valley, California?

What is the current concentration of sulfur dioxide (SO2) in Simi Valley, California?

What is the current concentration of ozone (O3) in Simi Valley, California?

What is the current concentration of nitrogen dioxide (NO2) in Simi Valley, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Simi Valley, California?

What is the current concentration of PM₁₀ in Simi Valley, California?

What is the current concentration of sulfur dioxide (SO₂) in Simi Valley, California?

What is the current concentration of ozone (O₃) in Simi Valley, California?

What is the current concentration of nitrogen dioxide (NO₂) in Simi Valley, California?