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

The current PM10 concentration at Simi Valley, California is 19.755 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 0.661 ppb.

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

The current ozone (O3) concentration at Simi Valley, California is 21.559 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 11.049 ppb.

Simi Valley, California live air quality index now

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

The current PM2.5 concentration at Simi Valley, California is 6.213 μg/m3.

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)

6.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.75 μg/m³

155

255

425

605+

Ozone (O₃)

21.56 ppb

201

201+

Sulfur Dioxide (SO₂)

0.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.46 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
2025-12-05T20:00:00.000Z	30 \| good	1.519 \| good	7.643 \| good	31.89 \| good	0.546 \| good	5.005 \| good	0.201 \| good
2025-12-05T21:00:00.000Z	31 \| good	1.186 \| good	5.805 \| good	34.366 \| good	0.553 \| good	4.911 \| good	0.191 \| good
2025-12-05T22:00:00.000Z	35 \| good	1.549 \| good	7.809 \| good	38.375 \| good	0.499 \| good	6.888 \| good	0.227 \| good
2025-12-05T23:00:00.000Z	37 \| good	2.573 \| good	11.677 \| good	39.569 \| good	0.531 \| good	7.134 \| good	0.239 \| good
2025-12-06T00:00:00.000Z	35 \| good	1.832 \| good	10.732 \| good	37.998 \| good	0.465 \| good	8.446 \| good	0.238 \| good
2025-12-06T01:00:00.000Z	31 \| good	1.689 \| good	13.342 \| good	34.139 \| good	0.392 \| good	12.207 \| good	0.326 \| good
2025-12-06T02:00:00.000Z	29 \| good	2.097 \| good	10.979 \| good	30.597 \| good	0.431 \| good	12.908 \| good	0.511 \| good
2025-12-06T03:00:00.000Z	24 \| good	3.841 \| good	17.248 \| good	25.651 \| good	0.466 \| good	13.824 \| good	0.589 \| good
2025-12-06T04:00:00.000Z	22 \| good	4.328 \| good	19.661 \| good	22.215 \| good	0.878 \| good	13.883 \| good	0.753 \| good
2025-12-06T05:00:00.000Z	44 \| good	7.501 \| good	28.668 \| good	17.419 \| good	0.94 \| good	13.324 \| good	1.182 \| good
2025-12-06T06:00:00.000Z	49 \| good	9.294 \| good	30.954 \| good	14.175 \| good	1.018 \| good	12.282 \| good	0.939 \| good
2025-12-06T07:00:00.000Z	49 \| good	9.294 \| good	30.954 \| good	14.175 \| good	1.059 \| good	12.574 \| good	0.936 \| good
2025-12-06T08:00:00.000Z	38 \| good	7.183 \| good	25.196 \| good	10.018 \| good	0.945 \| good	11.38 \| good	1.112 \| good
2025-12-06T09:00:00.000Z	38 \| good	6.645 \| good	22.561 \| good	8.802 \| good	0.907 \| good	13.339 \| good	0.974 \| good
2025-12-06T10:00:00.000Z	33 \| good	6.051 \| good	19.595 \| good	9.123 \| good	0.933 \| good	13.299 \| good	0.872 \| good
2025-12-06T11:00:00.000Z	33 \| good	6.035 \| good	18.996 \| good	10.054 \| good	0.98 \| good	12.503 \| good	0.801 \| good
2025-12-06T12:00:00.000Z	27 \| good	5.272 \| good	16.8 \| good	9.672 \| good	0.791 \| good	11.949 \| good	0.796 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.272 \| good	16.8 \| good	9.672 \| good	0.789 \| good	11.911 \| good	0.797 \| good
2025-12-06T14:00:00.000Z	22 \| good	3.979 \| good	14.33 \| good	9.877 \| good	0.848 \| good	10.227 \| good	0.729 \| good
2025-12-06T15:00:00.000Z	22 \| good	4.398 \| good	16.216 \| good	11.16 \| good	1.025 \| good	10.954 \| good	0.895 \| good
2025-12-06T16:00:00.000Z	27 \| good	5.174 \| good	19.911 \| good	12.487 \| good	1.054 \| good	12.203 \| good	0.85 \| good
2025-12-06T17:00:00.000Z	27 \| good	4.808 \| good	18.851 \| good	15.901 \| good	0.932 \| good	12.599 \| good	0.656 \| good
2025-12-06T18:00:00.000Z	22 \| good	4.333 \| good	17.028 \| good	20.531 \| good	0.757 \| good	12.729 \| good	0.424 \| good
2025-12-06T19:00:00.000Z	25 \| good	3.948 \| good	15.365 \| good	27.135 \| good	0.96 \| good	10.354 \| good	0.346 \| good
2025-12-06T20:00:00.000Z	28 \| good	3.097 \| good	14.92 \| good	30.388 \| good	0.796 \| good	9.24 \| good	0.311 \| good
2025-12-06T21:00:00.000Z	33 \| good	2.176 \| good	10.146 \| good	35.772 \| good	0.733 \| good	9.639 \| good	0.326 \| good
2025-12-06T22:00:00.000Z	36 \| good	2.685 \| good	10.474 \| good	39.025 \| good	0.572 \| good	8.531 \| good	0.312 \| good
2025-12-06T23:00:00.000Z	36 \| good	2.135 \| good	9.068 \| good	39.355 \| good	0.643 \| good	7.078 \| good	0.281 \| good
2025-12-07T00:00:00.000Z	35 \| good	2.558 \| good	13.125 \| good	37.826 \| good	0.716 \| good	16.246 \| good	0.358 \| good
2025-12-07T01:00:00.000Z	31 \| good	3.668 \| good	16.735 \| good	33.204 \| good	0.828 \| good	18.049 \| good	0.342 \| good
2025-12-07T02:00:00.000Z	38 \| good	7.117 \| good	28.165 \| good	28.592 \| good	0.773 \| good	16.668 \| good	0.493 \| good
2025-12-07T03:00:00.000Z	52 \| moderate	9.738 \| good	38.852 \| good	22.345 \| good	0.717 \| good	19.33 \| good	0.797 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	10.966 \| good	41.526 \| good	18.49 \| good	0.855 \| good	20.385 \| good	0.896 \| good
2025-12-07T05:00:00.000Z	58 \| moderate	12.81 \| fine	44.182 \| good	15.167 \| good	0.907 \| good	21.663 \| good	1.128 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	13.997 \| fine	46.426 \| good	10.685 \| good	0.821 \| good	20.712 \| good	1.174 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.997 \| fine	46.426 \| good	10.685 \| good	0.78 \| good	20.525 \| good	1.172 \| good
2025-12-07T08:00:00.000Z	60 \| moderate	14.225 \| fine	45.751 \| good	9.702 \| good	0.96 \| good	19.598 \| good	1.182 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	15.69 \| fine	48.432 \| good	8.887 \| good	0.703 \| good	16.391 \| good	1.117 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	12.366 \| fine	34.18 \| good	9.651 \| good	0.912 \| good	15.931 \| good	0.985 \| good
2025-12-07T11:00:00.000Z	54 \| moderate	11.492 \| good	30.384 \| good	8.857 \| good	0.911 \| good	16.029 \| good	0.988 \| good
2025-12-07T12:00:00.000Z	54 \| moderate	10.749 \| good	28.331 \| good	9.055 \| good	0.916 \| good	13.049 \| good	0.993 \| good
2025-12-07T13:00:00.000Z	54 \| moderate	10.749 \| good	28.331 \| good	9.055 \| good	0.771 \| good	6.385 \| good	0.312 \| good
2025-12-07T14:00:00.000Z	38 \| good	7.389 \| good	19.808 \| good	8.682 \| good	0.627 \| good	8.929 \| good	0.756 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.763 \| good	17.475 \| good	9.886 \| good	0.768 \| good	8.825 \| good	0.746 \| good
2025-12-07T16:00:00.000Z	38 \| good	6.854 \| good	19.493 \| good	11.296 \| good	0.795 \| good	10.315 \| good	0.801 \| good
2025-12-07T17:00:00.000Z	38 \| good	6.617 \| good	20.491 \| good	15.159 \| good	0.714 \| good	10.819 \| good	0.659 \| good
2025-12-07T18:00:00.000Z	33 \| good	6.213 \| good	19.755 \| good	21.559 \| good	0.661 \| good	11.049 \| good	0.461 \| good
2025-12-07T19:00:00.000Z	33 \| good	6.213 \| good	19.755 \| good	21.559 \| good	0.661 \| good	11.049 \| good	0.461 \| good
2025-12-07T20:00:00.000Z	33 \| good	1.035 \| good	4.005 \| good	36.175 \| good	1.518 \| good	7.421 \| good	0.207 \| good
2025-12-07T21:00:00.000Z	34 \| good	1.097 \| good	4.85 \| good	37.486 \| good	1.602 \| good	7.123 \| good	0.189 \| good
2025-12-07T22:00:00.000Z	36 \| good	1.243 \| good	5.087 \| good	39.089 \| good	1.593 \| good	8.305 \| good	0.198 \| good
2025-12-07T23:00:00.000Z	36 \| good	2.126 \| good	8.974 \| good	39.012 \| good	1.584 \| good	9.488 \| good	0.206 \| good
2025-12-08T00:00:00.000Z	35 \| good	3.813 \| good	16.378 \| good	37.912 \| good	1.576 \| good	10.671 \| good	0.215 \| good
2025-12-08T01:00:00.000Z	33 \| good	6.309 \| good	27.898 \| good	32.599 \| good	1.558 \| good	13.525 \| good	0.257 \| good
2025-12-08T02:00:00.000Z	49 \| good	8.575 \| good	37.734 \| good	28.807 \| good	1.539 \| good	16.379 \| good	0.299 \| good
2025-12-08T03:00:00.000Z	49 \| good	9.142 \| good	40.66 \| good	24.387 \| good	1.521 \| good	19.233 \| good	0.34 \| good
2025-12-08T04:00:00.000Z	52 \| moderate	10.217 \| good	45.152 \| good	23.398 \| good	1.389 \| good	18.016 \| good	0.346 \| good
2025-12-08T05:00:00.000Z	44 \| good	7.876 \| good	34.461 \| good	20.903 \| good	1.256 \| good	16.799 \| good	0.352 \| good
2025-12-08T06:00:00.000Z	38 \| good	6.617 \| good	29.491 \| good	19.083 \| good	1.124 \| good	15.581 \| good	0.357 \| good
2025-12-08T07:00:00.000Z	38 \| good	7.204 \| good	32.234 \| good	18.094 \| good	1.019 \| good	15.204 \| good	0.335 \| good
2025-12-08T08:00:00.000Z	49 \| good	8.583 \| good	37.525 \| good	17.823 \| good	0.914 \| good	14.827 \| good	0.313 \| good
2025-12-08T09:00:00.000Z	44 \| good	8.03 \| good	35.31 \| good	16.898 \| good	0.809 \| good	14.449 \| good	0.29 \| good
2025-12-08T10:00:00.000Z	33 \| good	5.768 \| good	24.526 \| good	17.595 \| good	0.79 \| good	14.323 \| good	0.272 \| good
2025-12-08T11:00:00.000Z	18 \| good	2.693 \| good	11.388 \| good	19.114 \| good	0.772 \| good	14.196 \| good	0.253 \| good
2025-12-08T12:00:00.000Z	19 \| good	1.948 \| good	8.084 \| good	20.265 \| good	0.754 \| good	14.069 \| good	0.235 \| good
2025-12-08T13:00:00.000Z	19 \| good	1.141 \| good	5.008 \| good	19.606 \| good	0.806 \| good	13.246 \| good	0.231 \| good
2025-12-08T14:00:00.000Z	18 \| good	1.413 \| good	5.956 \| good	18.571 \| good	0.859 \| good	12.423 \| good	0.228 \| good
2025-12-08T15:00:00.000Z	19 \| good	2.11 \| good	8.863 \| good	19.795 \| good	0.912 \| good	11.6 \| good	0.224 \| good
2025-12-08T16:00:00.000Z	26 \| good	1.508 \| good	6.068 \| good	28.448 \| good	1.03 \| good	10.386 \| good	0.229 \| good
2025-12-08T17:00:00.000Z	30 \| good	1.085 \| good	4.254 \| good	32.223 \| good	1.147 \| good	9.171 \| good	0.234 \| good
2025-12-08T18:00:00.000Z	32 \| good	0.156 \| good	0.234 \| good	35.048 \| good	1.265 \| good	7.957 \| good	0.239 \| good
2025-12-08T19:00:00.000Z	33 \| good	0.671 \| good	2.103 \| good	35.585 \| good	1.257 \| good	6.848 \| good	0.214 \| good
2025-12-08T20:00:00.000Z	32 \| good	0.643 \| good	2.03 \| good	34.74 \| good	1.249 \| good	5.738 \| good	0.189 \| good
2025-12-08T21:00:00.000Z	32 \| good	0.597 \| good	2.03 \| good	35.125 \| good	1.241 \| good	4.629 \| good	0.164 \| good
2025-12-08T22:00:00.000Z	31 \| good	0.61 \| good	2.03 \| good	33.737 \| good	1.115 \| good	5.035 \| good	0.162 \| good
2025-12-08T23:00:00.000Z	31 \| good	0.857 \| good	3.067 \| good	32.93 \| good	0.99 \| good	5.441 \| good	0.16 \| good
2025-12-09T00:00:00.000Z	31 \| good	1.25 \| good	4.961 \| good	33.076 \| good	0.864 \| good	5.847 \| good	0.158 \| good
2025-12-09T01:00:00.000Z	28 \| good	1.187 \| good	4.851 \| good	30.17 \| good	0.874 \| good	8.906 \| good	0.18 \| good
2025-12-09T02:00:00.000Z	24 \| good	0.327 \| good	1.106 \| good	26.326 \| good	0.883 \| good	11.964 \| good	0.201 \| good
2025-12-09T03:00:00.000Z	22 \| good	1.026 \| good	4.091 \| good	23.602 \| good	0.893 \| good	15.023 \| good	0.223 \| good
2025-12-09T04:00:00.000Z	24 \| good	1.996 \| good	8.085 \| good	25.814 \| good	0.938 \| good	15.157 \| good	0.224 \| good
2025-12-09T05:00:00.000Z	24 \| good	1.808 \| good	7.908 \| good	25.512 \| good	0.982 \| good	15.291 \| good	0.226 \| good
2025-12-09T06:00:00.000Z	21 \| good	1.869 \| good	7.911 \| good	22.867 \| good	1.027 \| good	15.425 \| good	0.227 \| good
2025-12-09T07:00:00.000Z	20 \| good	1.753 \| good	7.04 \| good	22.135 \| good	0.995 \| good	14.128 \| good	0.218 \| good
2025-12-09T08:00:00.000Z	19 \| good	2.119 \| good	9.014 \| good	21.145 \| good	0.963 \| good	12.831 \| good	0.209 \| good
2025-12-09T09:00:00.000Z	17 \| good	1.297 \| good	5.053 \| good	17.904 \| good	0.931 \| good	11.534 \| good	0.201 \| good
2025-12-09T10:00:00.000Z	17 \| good	1.107 \| good	4.906 \| good	17.721 \| good	0.902 \| good	10.117 \| good	0.19 \| good
2025-12-09T11:00:00.000Z	17 \| good	0.693 \| good	2.167 \| good	17.524 \| good	0.874 \| good	8.699 \| good	0.179 \| good
2025-12-09T12:00:00.000Z	18 \| good	0.323 \| good	1.039 \| good	18.626 \| good	0.845 \| good	7.281 \| good	0.169 \| good
2025-12-09T13:00:00.000Z	19 \| good	0.239 \| good	1.02 \| good	20.241 \| good	0.878 \| good	7.799 \| good	0.172 \| good
2025-12-09T14:00:00.000Z	20 \| good	0.346 \| good	1 \| good	21.629 \| good	0.91 \| good	8.316 \| good	0.175 \| good
2025-12-09T15:00:00.000Z	17 \| good	0.378 \| good	1.06 \| good	18.421 \| good	0.943 \| good	8.833 \| good	0.178 \| good
2025-12-09T16:00:00.000Z	19 \| good	0.84 \| good	2.885 \| good	21.24 \| good	1.029 \| good	8.308 \| good	0.184 \| good
2025-12-09T17:00:00.000Z	23 \| good	0.291 \| good	1.043 \| good	24.819 \| good	1.116 \| good	7.783 \| good	0.19 \| good
2025-12-09T18:00:00.000Z	26 \| good	0.249 \| good	0.991 \| good	28.019 \| good	1.202 \| good	7.257 \| good	0.195 \| good
2025-12-09T19:00:00.000Z	29 \| good	0.632 \| good	1.99 \| good	30.702 \| good	1.286 \| good	6.321 \| good	0.176 \| good

Simi Valley

Get reliable air quality data to drive your business

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

0.47ppm

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

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 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 09:00:00 on 2025-12-07.

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 07:00:00 on 2025-12-06.

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

The current air quality in Simi Valley, California is 33, 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 6.213 μg/m³.

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

The current PM₁₀ concentration at Simi Valley, California is 19.755 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 0.461 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 0.661 ppb.

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

The current ozone (O₃) concentration at Simi Valley, California is 21.559 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 11.049 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T20:00:00.000Z	30 \| good	1.519 \| good	7.643 \| good	31.89 \| good	0.546 \| good	5.005 \| good	0.201 \| good
2025-12-05T21:00:00.000Z	31 \| good	1.186 \| good	5.805 \| good	34.366 \| good	0.553 \| good	4.911 \| good	0.191 \| good
2025-12-05T22:00:00.000Z	35 \| good	1.549 \| good	7.809 \| good	38.375 \| good	0.499 \| good	6.888 \| good	0.227 \| good
2025-12-05T23:00:00.000Z	37 \| good	2.573 \| good	11.677 \| good	39.569 \| good	0.531 \| good	7.134 \| good	0.239 \| good
2025-12-06T00:00:00.000Z	35 \| good	1.832 \| good	10.732 \| good	37.998 \| good	0.465 \| good	8.446 \| good	0.238 \| good
2025-12-06T01:00:00.000Z	31 \| good	1.689 \| good	13.342 \| good	34.139 \| good	0.392 \| good	12.207 \| good	0.326 \| good
2025-12-06T02:00:00.000Z	29 \| good	2.097 \| good	10.979 \| good	30.597 \| good	0.431 \| good	12.908 \| good	0.511 \| good
2025-12-06T03:00:00.000Z	24 \| good	3.841 \| good	17.248 \| good	25.651 \| good	0.466 \| good	13.824 \| good	0.589 \| good
2025-12-06T04:00:00.000Z	22 \| good	4.328 \| good	19.661 \| good	22.215 \| good	0.878 \| good	13.883 \| good	0.753 \| good
2025-12-06T05:00:00.000Z	44 \| good	7.501 \| good	28.668 \| good	17.419 \| good	0.94 \| good	13.324 \| good	1.182 \| good
2025-12-06T06:00:00.000Z	49 \| good	9.294 \| good	30.954 \| good	14.175 \| good	1.018 \| good	12.282 \| good	0.939 \| good
2025-12-06T07:00:00.000Z	49 \| good	9.294 \| good	30.954 \| good	14.175 \| good	1.059 \| good	12.574 \| good	0.936 \| good
2025-12-06T08:00:00.000Z	38 \| good	7.183 \| good	25.196 \| good	10.018 \| good	0.945 \| good	11.38 \| good	1.112 \| good
2025-12-06T09:00:00.000Z	38 \| good	6.645 \| good	22.561 \| good	8.802 \| good	0.907 \| good	13.339 \| good	0.974 \| good
2025-12-06T10:00:00.000Z	33 \| good	6.051 \| good	19.595 \| good	9.123 \| good	0.933 \| good	13.299 \| good	0.872 \| good
2025-12-06T11:00:00.000Z	33 \| good	6.035 \| good	18.996 \| good	10.054 \| good	0.98 \| good	12.503 \| good	0.801 \| good
2025-12-06T12:00:00.000Z	27 \| good	5.272 \| good	16.8 \| good	9.672 \| good	0.791 \| good	11.949 \| good	0.796 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.272 \| good	16.8 \| good	9.672 \| good	0.789 \| good	11.911 \| good	0.797 \| good
2025-12-06T14:00:00.000Z	22 \| good	3.979 \| good	14.33 \| good	9.877 \| good	0.848 \| good	10.227 \| good	0.729 \| good
2025-12-06T15:00:00.000Z	22 \| good	4.398 \| good	16.216 \| good	11.16 \| good	1.025 \| good	10.954 \| good	0.895 \| good
2025-12-06T16:00:00.000Z	27 \| good	5.174 \| good	19.911 \| good	12.487 \| good	1.054 \| good	12.203 \| good	0.85 \| good
2025-12-06T17:00:00.000Z	27 \| good	4.808 \| good	18.851 \| good	15.901 \| good	0.932 \| good	12.599 \| good	0.656 \| good
2025-12-06T18:00:00.000Z	22 \| good	4.333 \| good	17.028 \| good	20.531 \| good	0.757 \| good	12.729 \| good	0.424 \| good
2025-12-06T19:00:00.000Z	25 \| good	3.948 \| good	15.365 \| good	27.135 \| good	0.96 \| good	10.354 \| good	0.346 \| good
2025-12-06T20:00:00.000Z	28 \| good	3.097 \| good	14.92 \| good	30.388 \| good	0.796 \| good	9.24 \| good	0.311 \| good
2025-12-06T21:00:00.000Z	33 \| good	2.176 \| good	10.146 \| good	35.772 \| good	0.733 \| good	9.639 \| good	0.326 \| good
2025-12-06T22:00:00.000Z	36 \| good	2.685 \| good	10.474 \| good	39.025 \| good	0.572 \| good	8.531 \| good	0.312 \| good
2025-12-06T23:00:00.000Z	36 \| good	2.135 \| good	9.068 \| good	39.355 \| good	0.643 \| good	7.078 \| good	0.281 \| good
2025-12-07T00:00:00.000Z	35 \| good	2.558 \| good	13.125 \| good	37.826 \| good	0.716 \| good	16.246 \| good	0.358 \| good
2025-12-07T01:00:00.000Z	31 \| good	3.668 \| good	16.735 \| good	33.204 \| good	0.828 \| good	18.049 \| good	0.342 \| good
2025-12-07T02:00:00.000Z	38 \| good	7.117 \| good	28.165 \| good	28.592 \| good	0.773 \| good	16.668 \| good	0.493 \| good
2025-12-07T03:00:00.000Z	52 \| moderate	9.738 \| good	38.852 \| good	22.345 \| good	0.717 \| good	19.33 \| good	0.797 \| good
2025-12-07T04:00:00.000Z	54 \| moderate	10.966 \| good	41.526 \| good	18.49 \| good	0.855 \| good	20.385 \| good	0.896 \| good
2025-12-07T05:00:00.000Z	58 \| moderate	12.81 \| fine	44.182 \| good	15.167 \| good	0.907 \| good	21.663 \| good	1.128 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	13.997 \| fine	46.426 \| good	10.685 \| good	0.821 \| good	20.712 \| good	1.174 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.997 \| fine	46.426 \| good	10.685 \| good	0.78 \| good	20.525 \| good	1.172 \| good
2025-12-07T08:00:00.000Z	60 \| moderate	14.225 \| fine	45.751 \| good	9.702 \| good	0.96 \| good	19.598 \| good	1.182 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	15.69 \| fine	48.432 \| good	8.887 \| good	0.703 \| good	16.391 \| good	1.117 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	12.366 \| fine	34.18 \| good	9.651 \| good	0.912 \| good	15.931 \| good	0.985 \| good
2025-12-07T11:00:00.000Z	54 \| moderate	11.492 \| good	30.384 \| good	8.857 \| good	0.911 \| good	16.029 \| good	0.988 \| good
2025-12-07T12:00:00.000Z	54 \| moderate	10.749 \| good	28.331 \| good	9.055 \| good	0.916 \| good	13.049 \| good	0.993 \| good
2025-12-07T13:00:00.000Z	54 \| moderate	10.749 \| good	28.331 \| good	9.055 \| good	0.771 \| good	6.385 \| good	0.312 \| good
2025-12-07T14:00:00.000Z	38 \| good	7.389 \| good	19.808 \| good	8.682 \| good	0.627 \| good	8.929 \| good	0.756 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.763 \| good	17.475 \| good	9.886 \| good	0.768 \| good	8.825 \| good	0.746 \| good
2025-12-07T16:00:00.000Z	38 \| good	6.854 \| good	19.493 \| good	11.296 \| good	0.795 \| good	10.315 \| good	0.801 \| good
2025-12-07T17:00:00.000Z	38 \| good	6.617 \| good	20.491 \| good	15.159 \| good	0.714 \| good	10.819 \| good	0.659 \| good
2025-12-07T18:00:00.000Z	33 \| good	6.213 \| good	19.755 \| good	21.559 \| good	0.661 \| good	11.049 \| good	0.461 \| good
2025-12-07T19:00:00.000Z	33 \| good	6.213 \| good	19.755 \| good	21.559 \| good	0.661 \| good	11.049 \| good	0.461 \| good
2025-12-07T20:00:00.000Z	33 \| good	1.035 \| good	4.005 \| good	36.175 \| good	1.518 \| good	7.421 \| good	0.207 \| good
2025-12-07T21:00:00.000Z	34 \| good	1.097 \| good	4.85 \| good	37.486 \| good	1.602 \| good	7.123 \| good	0.189 \| good
2025-12-07T22:00:00.000Z	36 \| good	1.243 \| good	5.087 \| good	39.089 \| good	1.593 \| good	8.305 \| good	0.198 \| good
2025-12-07T23:00:00.000Z	36 \| good	2.126 \| good	8.974 \| good	39.012 \| good	1.584 \| good	9.488 \| good	0.206 \| good
2025-12-08T00:00:00.000Z	35 \| good	3.813 \| good	16.378 \| good	37.912 \| good	1.576 \| good	10.671 \| good	0.215 \| good
2025-12-08T01:00:00.000Z	33 \| good	6.309 \| good	27.898 \| good	32.599 \| good	1.558 \| good	13.525 \| good	0.257 \| good
2025-12-08T02:00:00.000Z	49 \| good	8.575 \| good	37.734 \| good	28.807 \| good	1.539 \| good	16.379 \| good	0.299 \| good
2025-12-08T03:00:00.000Z	49 \| good	9.142 \| good	40.66 \| good	24.387 \| good	1.521 \| good	19.233 \| good	0.34 \| good
2025-12-08T04:00:00.000Z	52 \| moderate	10.217 \| good	45.152 \| good	23.398 \| good	1.389 \| good	18.016 \| good	0.346 \| good
2025-12-08T05:00:00.000Z	44 \| good	7.876 \| good	34.461 \| good	20.903 \| good	1.256 \| good	16.799 \| good	0.352 \| good
2025-12-08T06:00:00.000Z	38 \| good	6.617 \| good	29.491 \| good	19.083 \| good	1.124 \| good	15.581 \| good	0.357 \| good
2025-12-08T07:00:00.000Z	38 \| good	7.204 \| good	32.234 \| good	18.094 \| good	1.019 \| good	15.204 \| good	0.335 \| good
2025-12-08T08:00:00.000Z	49 \| good	8.583 \| good	37.525 \| good	17.823 \| good	0.914 \| good	14.827 \| good	0.313 \| good
2025-12-08T09:00:00.000Z	44 \| good	8.03 \| good	35.31 \| good	16.898 \| good	0.809 \| good	14.449 \| good	0.29 \| good
2025-12-08T10:00:00.000Z	33 \| good	5.768 \| good	24.526 \| good	17.595 \| good	0.79 \| good	14.323 \| good	0.272 \| good
2025-12-08T11:00:00.000Z	18 \| good	2.693 \| good	11.388 \| good	19.114 \| good	0.772 \| good	14.196 \| good	0.253 \| good
2025-12-08T12:00:00.000Z	19 \| good	1.948 \| good	8.084 \| good	20.265 \| good	0.754 \| good	14.069 \| good	0.235 \| good
2025-12-08T13:00:00.000Z	19 \| good	1.141 \| good	5.008 \| good	19.606 \| good	0.806 \| good	13.246 \| good	0.231 \| good
2025-12-08T14:00:00.000Z	18 \| good	1.413 \| good	5.956 \| good	18.571 \| good	0.859 \| good	12.423 \| good	0.228 \| good
2025-12-08T15:00:00.000Z	19 \| good	2.11 \| good	8.863 \| good	19.795 \| good	0.912 \| good	11.6 \| good	0.224 \| good
2025-12-08T16:00:00.000Z	26 \| good	1.508 \| good	6.068 \| good	28.448 \| good	1.03 \| good	10.386 \| good	0.229 \| good
2025-12-08T17:00:00.000Z	30 \| good	1.085 \| good	4.254 \| good	32.223 \| good	1.147 \| good	9.171 \| good	0.234 \| good
2025-12-08T18:00:00.000Z	32 \| good	0.156 \| good	0.234 \| good	35.048 \| good	1.265 \| good	7.957 \| good	0.239 \| good
2025-12-08T19:00:00.000Z	33 \| good	0.671 \| good	2.103 \| good	35.585 \| good	1.257 \| good	6.848 \| good	0.214 \| good
2025-12-08T20:00:00.000Z	32 \| good	0.643 \| good	2.03 \| good	34.74 \| good	1.249 \| good	5.738 \| good	0.189 \| good
2025-12-08T21:00:00.000Z	32 \| good	0.597 \| good	2.03 \| good	35.125 \| good	1.241 \| good	4.629 \| good	0.164 \| good
2025-12-08T22:00:00.000Z	31 \| good	0.61 \| good	2.03 \| good	33.737 \| good	1.115 \| good	5.035 \| good	0.162 \| good
2025-12-08T23:00:00.000Z	31 \| good	0.857 \| good	3.067 \| good	32.93 \| good	0.99 \| good	5.441 \| good	0.16 \| good
2025-12-09T00:00:00.000Z	31 \| good	1.25 \| good	4.961 \| good	33.076 \| good	0.864 \| good	5.847 \| good	0.158 \| good
2025-12-09T01:00:00.000Z	28 \| good	1.187 \| good	4.851 \| good	30.17 \| good	0.874 \| good	8.906 \| good	0.18 \| good
2025-12-09T02:00:00.000Z	24 \| good	0.327 \| good	1.106 \| good	26.326 \| good	0.883 \| good	11.964 \| good	0.201 \| good
2025-12-09T03:00:00.000Z	22 \| good	1.026 \| good	4.091 \| good	23.602 \| good	0.893 \| good	15.023 \| good	0.223 \| good
2025-12-09T04:00:00.000Z	24 \| good	1.996 \| good	8.085 \| good	25.814 \| good	0.938 \| good	15.157 \| good	0.224 \| good
2025-12-09T05:00:00.000Z	24 \| good	1.808 \| good	7.908 \| good	25.512 \| good	0.982 \| good	15.291 \| good	0.226 \| good
2025-12-09T06:00:00.000Z	21 \| good	1.869 \| good	7.911 \| good	22.867 \| good	1.027 \| good	15.425 \| good	0.227 \| good
2025-12-09T07:00:00.000Z	20 \| good	1.753 \| good	7.04 \| good	22.135 \| good	0.995 \| good	14.128 \| good	0.218 \| good
2025-12-09T08:00:00.000Z	19 \| good	2.119 \| good	9.014 \| good	21.145 \| good	0.963 \| good	12.831 \| good	0.209 \| good
2025-12-09T09:00:00.000Z	17 \| good	1.297 \| good	5.053 \| good	17.904 \| good	0.931 \| good	11.534 \| good	0.201 \| good
2025-12-09T10:00:00.000Z	17 \| good	1.107 \| good	4.906 \| good	17.721 \| good	0.902 \| good	10.117 \| good	0.19 \| good
2025-12-09T11:00:00.000Z	17 \| good	0.693 \| good	2.167 \| good	17.524 \| good	0.874 \| good	8.699 \| good	0.179 \| good
2025-12-09T12:00:00.000Z	18 \| good	0.323 \| good	1.039 \| good	18.626 \| good	0.845 \| good	7.281 \| good	0.169 \| good
2025-12-09T13:00:00.000Z	19 \| good	0.239 \| good	1.02 \| good	20.241 \| good	0.878 \| good	7.799 \| good	0.172 \| good
2025-12-09T14:00:00.000Z	20 \| good	0.346 \| good	1 \| good	21.629 \| good	0.91 \| good	8.316 \| good	0.175 \| good
2025-12-09T15:00:00.000Z	17 \| good	0.378 \| good	1.06 \| good	18.421 \| good	0.943 \| good	8.833 \| good	0.178 \| good
2025-12-09T16:00:00.000Z	19 \| good	0.84 \| good	2.885 \| good	21.24 \| good	1.029 \| good	8.308 \| good	0.184 \| good
2025-12-09T17:00:00.000Z	23 \| good	0.291 \| good	1.043 \| good	24.819 \| good	1.116 \| good	7.783 \| good	0.19 \| good
2025-12-09T18:00:00.000Z	26 \| good	0.249 \| good	0.991 \| good	28.019 \| good	1.202 \| good	7.257 \| good	0.195 \| good
2025-12-09T19:00:00.000Z	29 \| good	0.632 \| good	1.99 \| good	30.702 \| good	1.286 \| good	6.321 \| good	0.176 \| 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)

Track live Simi Valley, California air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Moorpark, California

Oak Park, California

Thousand Oaks, California

Agoura Hills, California

Calabasas, California

Fillmore, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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?