What are the current PM10 levels at Norwalk, California?

The current PM10 levels in Norwalk, California are 84.577 μg/m3.

What are the current sulfur dioxide (SO2) levels at Norwalk, California?

The current sulfur dioxide (SO2) levels in Norwalk, California are 0.742 ppb.

What are the current ozone (O3) levels at Norwalk, California?

The current ozone (O3) levels at Norwalk, California is 34.127 ppm.

What are the current nitrogen dioxide (NO2) levels at Norwalk, California?

The current nitrogen dioxide (NO2) levels at Norwalk, California is 15.197 ppb.

Real-time air quality index in Norwalk, California today

Q: What are the current PM2.5 levels in Norwalk, California?

The measured PM2.5 levels in Norwalk, California at present are 18.101 μg/m3.

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

Moderate

Norwalk, California

Last updated: ... (Local time)

Common air pollutants in Norwalk, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

84.58 μg/m³

155

255

425

605+

Ozone (O₃)

34.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.74 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.46 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Norwalk, California

Get Live Pollen Counts

Norwalk, California

Scroll To Air Quality Map

Track live Norwalk, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T23:00:00.000Z	26 \| good	3.213 \| good	12.185 \| good	28.446 \| good	0.472 \| good	16.2 \| good	0.277 \| good
2025-12-06T00:00:00.000Z	28 \| good	2.573 \| good	23.332 \| good	29.953 \| good	0.467 \| good	19.944 \| good	0.286 \| good
2025-12-06T01:00:00.000Z	33 \| good	5.692 \| good	31.368 \| good	25.425 \| good	0.383 \| good	23.358 \| good	0.365 \| good
2025-12-06T02:00:00.000Z	33 \| good	4.182 \| good	17.607 \| good	19.742 \| good	0.389 \| good	35.137 \| good	0.463 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.459 \| good	33.103 \| good	10.178 \| good	0.565 \| good	40.919 \| good	0.714 \| good
2025-12-06T04:00:00.000Z	54 \| moderate	11.27 \| good	37.141 \| good	7.801 \| good	0.959 \| good	42.347 \| good	0.927 \| good
2025-12-06T05:00:00.000Z	56 \| moderate	11.763 \| good	34.794 \| good	4.817 \| good	0.884 \| good	41.158 \| good	1.148 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	10.812 \| good	39.278 \| good	4.377 \| good	0.997 \| good	35.933 \| good	1.147 \| good
2025-12-06T07:00:00.000Z	49 \| good	8.835 \| good	34.978 \| good	4.605 \| good	0.989 \| good	37.041 \| good	1.154 \| good
2025-12-06T08:00:00.000Z	77 \| moderate	22.634 \| fine	71.315 \| fine	2.759 \| good	0.774 \| good	31.639 \| good	1.33 \| good
2025-12-06T09:00:00.000Z	73 \| moderate	20.798 \| fine	41.751 \| good	3.054 \| good	0.607 \| good	28.992 \| good	1.088 \| good
2025-12-06T10:00:00.000Z	67 \| moderate	18.438 \| fine	74.131 \| fine	2.209 \| good	0.742 \| good	26.792 \| good	1.121 \| good
2025-12-06T11:00:00.000Z	63 \| moderate	14.518 \| fine	79.665 \| fine	1.42 \| good	0.94 \| good	27.435 \| good	1.03 \| good
2025-12-06T12:00:00.000Z	73 \| moderate	21.099 \| fine	73.977 \| fine	2.293 \| good	0.757 \| good	27.639 \| good	1.001 \| good
2025-12-06T13:00:00.000Z	66 \| moderate	16.809 \| fine	69.335 \| fine	2.042 \| good	0.758 \| good	28.126 \| good	1.002 \| good
2025-12-06T14:00:00.000Z	67 \| moderate	17.891 \| fine	61.541 \| fine	1.559 \| good	0.787 \| good	26.781 \| good	0.988 \| good
2025-12-06T15:00:00.000Z	79 \| moderate	17.602 \| fine	112.116 \| fine	2.452 \| good	0.876 \| good	27.928 \| good	1.176 \| good
2025-12-06T16:00:00.000Z	66 \| moderate	16.844 \| fine	82.607 \| fine	4.926 \| good	0.992 \| good	26.66 \| good	1.122 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	15.859 \| fine	68.319 \| fine	7.497 \| good	0.841 \| good	32.424 \| good	0.843 \| good
2025-12-06T18:00:00.000Z	44 \| good	8.207 \| good	22.8 \| good	12.959 \| good	0.683 \| good	27.65 \| good	0.625 \| good
2025-12-06T19:00:00.000Z	38 \| good	7.456 \| good	21.519 \| good	16.761 \| good	1.438 \| good	23.144 \| good	0.47 \| good
2025-12-06T20:00:00.000Z	49 \| good	9.365 \| good	24.133 \| good	23.126 \| good	1.014 \| good	20.417 \| good	0.402 \| good
2025-12-06T21:00:00.000Z	52 \| moderate	10.406 \| good	33.406 \| good	27.527 \| good	1.06 \| good	17.835 \| good	0.322 \| good
2025-12-06T22:00:00.000Z	32 \| good	4.656 \| good	15.947 \| good	34.673 \| good	0.577 \| good	21.714 \| good	0.281 \| good
2025-12-06T23:00:00.000Z	38 \| good	7.365 \| good	19.683 \| good	35.926 \| good	0.704 \| good	21.661 \| good	0.308 \| good
2025-12-07T00:00:00.000Z	44 \| good	8.47 \| good	16.421 \| good	37.208 \| good	0.768 \| good	20.22 \| good	0.308 \| good
2025-12-07T01:00:00.000Z	44 \| good	8.498 \| good	9.916 \| good	25.009 \| good	0.754 \| good	24.098 \| good	0.295 \| good
2025-12-07T02:00:00.000Z	38 \| good	6.659 \| good	27.597 \| good	32.592 \| good	0.649 \| good	29.035 \| good	0.39 \| good
2025-12-07T03:00:00.000Z	54 \| moderate	10.701 \| good	38.372 \| good	24.305 \| good	0.649 \| good	31.86 \| good	0.539 \| good
2025-12-07T04:00:00.000Z	52 \| moderate	9.554 \| good	37.911 \| good	19.669 \| good	0.784 \| good	34.288 \| good	0.758 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	14.07 \| fine	69.37 \| fine	20.803 \| good	0.657 \| good	33.548 \| good	0.955 \| good
2025-12-07T06:00:00.000Z	86 \| moderate	28.041 \| fine	92.782 \| fine	16.082 \| good	0.832 \| good	33.219 \| good	1.288 \| good
2025-12-07T07:00:00.000Z	71 \| moderate	19.557 \| fine	36.344 \| good	17.733 \| good	0.832 \| good	33.357 \| good	1.284 \| good
2025-12-07T08:00:00.000Z	62 \| moderate	14.907 \| fine	55.621 \| fine	17.448 \| good	0.941 \| good	31.223 \| good	1.237 \| good
2025-12-07T09:00:00.000Z	58 \| moderate	13.014 \| fine	28.92 \| good	4.634 \| good	0.534 \| good	29.632 \| good	1.211 \| good
2025-12-07T10:00:00.000Z	69 \| moderate	19.058 \| fine	56.99 \| fine	2.685 \| good	0.936 \| good	28.302 \| good	1.246 \| good
2025-12-07T11:00:00.000Z	79 \| moderate	24.243 \| fine	72.1 \| fine	8.401 \| good	0.932 \| good	22.675 \| good	1.242 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	16.049 \| fine	25.176 \| good	6.856 \| good	0.927 \| good	23.49 \| good	1.157 \| good
2025-12-07T13:00:00.000Z	86 \| moderate	27.681 \| fine	38.248 \| good	2.928 \| good	0.851 \| good	5.685 \| good	0.559 \| good
2025-12-07T14:00:00.000Z	79 \| moderate	22.29 \| fine	110.527 \| fine	2.687 \| good	0.516 \| good	19.942 \| good	1.022 \| good
2025-12-07T15:00:00.000Z	69 \| moderate	18.734 \| fine	30.847 \| good	4.364 \| good	0.618 \| good	21.934 \| good	1.043 \| good
2025-12-07T16:00:00.000Z	75 \| moderate	22.15 \| fine	66.994 \| fine	3.68 \| good	0.638 \| good	20.631 \| good	0.993 \| good
2025-12-07T17:00:00.000Z	98 \| moderate	24.823 \| fine	148.734 \| fine	10.106 \| good	0.547 \| good	28.567 \| good	0.783 \| good
2025-12-07T18:00:00.000Z	64 \| moderate	16.45 \| fine	61.539 \| fine	15.649 \| good	0.454 \| good	30.027 \| good	0.643 \| good
2025-12-07T19:00:00.000Z	67 \| moderate	17.524 \| fine	75.227 \| fine	20.92 \| good	0.76 \| good	25.381 \| good	0.489 \| good
2025-12-07T20:00:00.000Z	66 \| moderate	17.338 \| fine	78.284 \| fine	26.765 \| good	1.174 \| good	18.934 \| good	0.493 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.101 \| fine	84.577 \| fine	34.127 \| good	0.742 \| good	15.197 \| good	0.46 \| good
2025-12-07T22:00:00.000Z	67 \| moderate	18.101 \| fine	84.577 \| fine	34.127 \| good	0.742 \| good	15.197 \| good	0.46 \| good
2025-12-07T23:00:00.000Z	69 \| moderate	18.845 \| fine	82.989 \| fine	39.677 \| good	5.767 \| good	32.18 \| good	0.306 \| good
2025-12-08T00:00:00.000Z	69 \| moderate	19.389 \| fine	85.403 \| fine	32.588 \| good	6.222 \| good	36.882 \| good	0.336 \| good
2025-12-08T01:00:00.000Z	77 \| moderate	23.284 \| fine	101.552 \| fine	25.676 \| good	6.205 \| good	39.444 \| good	0.429 \| good
2025-12-08T02:00:00.000Z	84 \| moderate	26.614 \| fine	115.653 \| fine	21.646 \| good	6.188 \| good	42.005 \| good	0.522 \| good
2025-12-08T03:00:00.000Z	96 \| moderate	33.281 \| fine	143.923 \| fine	12.713 \| good	6.17 \| good	44.567 \| good	0.615 \| good
2025-12-08T04:00:00.000Z	112 \| sensitive	39.813 \| moderate	176.103 \| moderate	7.433 \| good	5.604 \| good	42.037 \| good	0.614 \| good
2025-12-08T05:00:00.000Z	115 \| sensitive	40.735 \| moderate	180.549 \| moderate	4.687 \| good	5.038 \| good	39.507 \| good	0.614 \| good
2025-12-08T06:00:00.000Z	108 \| sensitive	38.311 \| moderate	168.715 \| moderate	4.923 \| good	4.471 \| good	36.977 \| good	0.614 \| good
2025-12-08T07:00:00.000Z	107 \| sensitive	38.014 \| moderate	166.871 \| moderate	4.109 \| good	3.851 \| good	35.81 \| good	0.555 \| good
2025-12-08T08:00:00.000Z	112 \| sensitive	39.795 \| moderate	175.393 \| moderate	3.345 \| good	3.23 \| good	34.642 \| good	0.496 \| good
2025-12-08T09:00:00.000Z	110 \| sensitive	38.962 \| moderate	171.621 \| moderate	2.056 \| good	2.61 \| good	33.475 \| good	0.437 \| good
2025-12-08T10:00:00.000Z	115 \| sensitive	41.219 \| moderate	183.14 \| moderate	2.864 \| good	2.366 \| good	32.223 \| good	0.385 \| good
2025-12-08T11:00:00.000Z	122 \| sensitive	43.721 \| moderate	195.413 \| moderate	1.989 \| good	2.123 \| good	30.971 \| good	0.332 \| good
2025-12-08T12:00:00.000Z	117 \| sensitive	42.056 \| moderate	187.316 \| moderate	1.181 \| good	1.879 \| good	29.718 \| good	0.279 \| good
2025-12-08T13:00:00.000Z	124 \| sensitive	44.784 \| moderate	200.493 \| moderate	0.509 \| good	1.98 \| good	28.941 \| good	0.269 \| good
2025-12-08T14:00:00.000Z	107 \| sensitive	38.086 \| moderate	167.359 \| moderate	0.23 \| good	2.082 \| good	28.165 \| good	0.26 \| good
2025-12-08T15:00:00.000Z	92 \| moderate	31.058 \| fine	135.591 \| fine	0.885 \| good	2.183 \| good	27.388 \| good	0.25 \| good
2025-12-08T16:00:00.000Z	77 \| moderate	23.323 \| fine	101.87 \| fine	1.643 \| good	2.394 \| good	25.087 \| good	0.261 \| good
2025-12-08T17:00:00.000Z	71 \| moderate	20.244 \| fine	89.033 \| fine	7.663 \| good	2.605 \| good	22.786 \| good	0.271 \| good
2025-12-08T18:00:00.000Z	60 \| moderate	13.603 \| fine	60.344 \| fine	17.645 \| good	2.815 \| good	20.485 \| good	0.282 \| good
2025-12-08T19:00:00.000Z	54 \| moderate	11.468 \| good	51.405 \| good	25.498 \| good	3.031 \| good	19.546 \| good	0.261 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	10.757 \| good	48.216 \| good	31.23 \| good	3.246 \| good	18.608 \| good	0.241 \| good
2025-12-08T21:00:00.000Z	58 \| moderate	13.49 \| fine	60.584 \| fine	34.152 \| good	3.462 \| good	17.669 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	60 \| moderate	13.958 \| fine	62.906 \| fine	34.738 \| good	3.801 \| good	21.812 \| good	0.24 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.533 \| fine	60.529 \| fine	31.952 \| good	4.141 \| good	25.954 \| good	0.26 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	12.967 \| fine	58.078 \| fine	25.941 \| good	4.481 \| good	30.097 \| good	0.279 \| good
2025-12-09T01:00:00.000Z	60 \| moderate	13.573 \| fine	61.606 \| fine	17.877 \| good	4.362 \| good	31.816 \| good	0.318 \| good
2025-12-09T02:00:00.000Z	64 \| moderate	16.122 \| fine	72.037 \| fine	8.12 \| good	4.243 \| good	33.536 \| good	0.357 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	19.453 \| fine	85.511 \| fine	1.123 \| good	4.124 \| good	35.255 \| good	0.396 \| good
2025-12-09T04:00:00.000Z	75 \| moderate	21.529 \| fine	94.57 \| fine	1.073 \| good	3.717 \| good	33.93 \| good	0.365 \| good
2025-12-09T05:00:00.000Z	66 \| moderate	17.106 \| fine	76.153 \| fine	1.435 \| good	3.309 \| good	32.605 \| good	0.334 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	11.639 \| good	51.881 \| good	2.811 \| good	2.901 \| good	31.28 \| good	0.303 \| good
2025-12-09T07:00:00.000Z	44 \| good	7.827 \| good	34.58 \| good	2.3 \| good	2.49 \| good	29.446 \| good	0.27 \| good
2025-12-09T08:00:00.000Z	38 \| good	7.065 \| good	31.103 \| good	2.263 \| good	2.078 \| good	27.612 \| good	0.236 \| good
2025-12-09T09:00:00.000Z	33 \| good	5.905 \| good	25.999 \| good	1.619 \| good	1.667 \| good	25.778 \| good	0.203 \| good
2025-12-09T10:00:00.000Z	27 \| good	4.604 \| good	20.165 \| good	1.804 \| good	1.658 \| good	22.431 \| good	0.182 \| good
2025-12-09T11:00:00.000Z	27 \| good	5.288 \| good	23.177 \| good	2.292 \| good	1.65 \| good	19.084 \| good	0.16 \| good
2025-12-09T12:00:00.000Z	27 \| good	5.282 \| good	23.153 \| good	1.894 \| good	1.642 \| good	15.737 \| good	0.139 \| good
2025-12-09T13:00:00.000Z	17 \| good	2.581 \| good	10.792 \| good	1.382 \| good	1.83 \| good	17.819 \| good	0.151 \| good
2025-12-09T14:00:00.000Z	22 \| good	4.454 \| good	19.683 \| good	0.699 \| good	2.017 \| good	19.901 \| good	0.163 \| good
2025-12-09T15:00:00.000Z	22 \| good	4.292 \| good	18.842 \| good	1.32 \| good	2.204 \| good	21.983 \| good	0.174 \| good
2025-12-09T16:00:00.000Z	27 \| good	5.284 \| good	22.606 \| good	1.84 \| good	2.465 \| good	21.252 \| good	0.197 \| good
2025-12-09T17:00:00.000Z	22 \| good	3.833 \| good	16.628 \| good	6.862 \| good	2.726 \| good	20.521 \| good	0.219 \| good
2025-12-09T18:00:00.000Z	22 \| good	4.489 \| good	19.548 \| good	13.17 \| good	2.987 \| good	19.79 \| good	0.242 \| good
2025-12-09T19:00:00.000Z	27 \| good	4.601 \| good	19.824 \| good	19.058 \| good	3.277 \| good	18.98 \| good	0.225 \| good
2025-12-09T20:00:00.000Z	22 \| good	4.163 \| good	18.038 \| good	24.454 \| good	3.568 \| good	18.169 \| good	0.208 \| good
2025-12-09T21:00:00.000Z	27 \| good	4.914 \| good	21.247 \| good	27.709 \| good	3.858 \| good	17.359 \| good	0.191 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.551 \| good	19.929 \| good	28.887 \| good	4.172 \| good	21.645 \| good	0.215 \| good

Norwalk

Empower business decisions with accurate air quality data

Norwalk, California air quality map: Real-time AQI near you

0.41ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Norwalk, California updated?

Air quality data for Norwalk, California is updated on an hourly basis.

When did Norwalk, California experience the worst air quality in the last 24 hours?

The worst air quality in Norwalk, California was recorded at 05:00:00 on 2025-12-07.

When did Norwalk, California have its best air quality in the last 24 hours?

The best air quality in Norwalk, California was recorded at 10:00:00 on 2025-12-06.

What is the real-time air quality index for Norwalk, California?

The real-time air quality index in Norwalk, California is 67, currently categorized as Moderate.

Which pollutant is found most often in Norwalk, California?

The most common pollutant in Norwalk, California is PM2.5.

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

If the air quality in Norwalk, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Norwalk, California?

The measured PM_2.5 levels in Norwalk, California at present are 18.101 μg/m³.

What are the current PM₁₀ levels at Norwalk, California?

The current PM₁₀ levels in Norwalk, California are 84.577 μg/m³.

What are the current carbon monoxide (CO) levels at Norwalk, California?

The current carbon monoxide (CO) level in Norwalk, California is 0.46 ppm.

What are the current sulfur dioxide (SO₂) levels at Norwalk, California?

The current sulfur dioxide (SO₂) levels in Norwalk, California are 0.742 ppb.

What are the current ozone (O₃) levels at Norwalk, California?

The current ozone (O₃) levels at Norwalk, California is 34.127 ppm.

What are the current nitrogen dioxide (NO₂) levels at Norwalk, California?

The current nitrogen dioxide (NO₂) levels at Norwalk, California is 15.197 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T23:00:00.000Z	26 \| good	3.213 \| good	12.185 \| good	28.446 \| good	0.472 \| good	16.2 \| good	0.277 \| good
2025-12-06T00:00:00.000Z	28 \| good	2.573 \| good	23.332 \| good	29.953 \| good	0.467 \| good	19.944 \| good	0.286 \| good
2025-12-06T01:00:00.000Z	33 \| good	5.692 \| good	31.368 \| good	25.425 \| good	0.383 \| good	23.358 \| good	0.365 \| good
2025-12-06T02:00:00.000Z	33 \| good	4.182 \| good	17.607 \| good	19.742 \| good	0.389 \| good	35.137 \| good	0.463 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.459 \| good	33.103 \| good	10.178 \| good	0.565 \| good	40.919 \| good	0.714 \| good
2025-12-06T04:00:00.000Z	54 \| moderate	11.27 \| good	37.141 \| good	7.801 \| good	0.959 \| good	42.347 \| good	0.927 \| good
2025-12-06T05:00:00.000Z	56 \| moderate	11.763 \| good	34.794 \| good	4.817 \| good	0.884 \| good	41.158 \| good	1.148 \| good
2025-12-06T06:00:00.000Z	54 \| moderate	10.812 \| good	39.278 \| good	4.377 \| good	0.997 \| good	35.933 \| good	1.147 \| good
2025-12-06T07:00:00.000Z	49 \| good	8.835 \| good	34.978 \| good	4.605 \| good	0.989 \| good	37.041 \| good	1.154 \| good
2025-12-06T08:00:00.000Z	77 \| moderate	22.634 \| fine	71.315 \| fine	2.759 \| good	0.774 \| good	31.639 \| good	1.33 \| good
2025-12-06T09:00:00.000Z	73 \| moderate	20.798 \| fine	41.751 \| good	3.054 \| good	0.607 \| good	28.992 \| good	1.088 \| good
2025-12-06T10:00:00.000Z	67 \| moderate	18.438 \| fine	74.131 \| fine	2.209 \| good	0.742 \| good	26.792 \| good	1.121 \| good
2025-12-06T11:00:00.000Z	63 \| moderate	14.518 \| fine	79.665 \| fine	1.42 \| good	0.94 \| good	27.435 \| good	1.03 \| good
2025-12-06T12:00:00.000Z	73 \| moderate	21.099 \| fine	73.977 \| fine	2.293 \| good	0.757 \| good	27.639 \| good	1.001 \| good
2025-12-06T13:00:00.000Z	66 \| moderate	16.809 \| fine	69.335 \| fine	2.042 \| good	0.758 \| good	28.126 \| good	1.002 \| good
2025-12-06T14:00:00.000Z	67 \| moderate	17.891 \| fine	61.541 \| fine	1.559 \| good	0.787 \| good	26.781 \| good	0.988 \| good
2025-12-06T15:00:00.000Z	79 \| moderate	17.602 \| fine	112.116 \| fine	2.452 \| good	0.876 \| good	27.928 \| good	1.176 \| good
2025-12-06T16:00:00.000Z	66 \| moderate	16.844 \| fine	82.607 \| fine	4.926 \| good	0.992 \| good	26.66 \| good	1.122 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	15.859 \| fine	68.319 \| fine	7.497 \| good	0.841 \| good	32.424 \| good	0.843 \| good
2025-12-06T18:00:00.000Z	44 \| good	8.207 \| good	22.8 \| good	12.959 \| good	0.683 \| good	27.65 \| good	0.625 \| good
2025-12-06T19:00:00.000Z	38 \| good	7.456 \| good	21.519 \| good	16.761 \| good	1.438 \| good	23.144 \| good	0.47 \| good
2025-12-06T20:00:00.000Z	49 \| good	9.365 \| good	24.133 \| good	23.126 \| good	1.014 \| good	20.417 \| good	0.402 \| good
2025-12-06T21:00:00.000Z	52 \| moderate	10.406 \| good	33.406 \| good	27.527 \| good	1.06 \| good	17.835 \| good	0.322 \| good
2025-12-06T22:00:00.000Z	32 \| good	4.656 \| good	15.947 \| good	34.673 \| good	0.577 \| good	21.714 \| good	0.281 \| good
2025-12-06T23:00:00.000Z	38 \| good	7.365 \| good	19.683 \| good	35.926 \| good	0.704 \| good	21.661 \| good	0.308 \| good
2025-12-07T00:00:00.000Z	44 \| good	8.47 \| good	16.421 \| good	37.208 \| good	0.768 \| good	20.22 \| good	0.308 \| good
2025-12-07T01:00:00.000Z	44 \| good	8.498 \| good	9.916 \| good	25.009 \| good	0.754 \| good	24.098 \| good	0.295 \| good
2025-12-07T02:00:00.000Z	38 \| good	6.659 \| good	27.597 \| good	32.592 \| good	0.649 \| good	29.035 \| good	0.39 \| good
2025-12-07T03:00:00.000Z	54 \| moderate	10.701 \| good	38.372 \| good	24.305 \| good	0.649 \| good	31.86 \| good	0.539 \| good
2025-12-07T04:00:00.000Z	52 \| moderate	9.554 \| good	37.911 \| good	19.669 \| good	0.784 \| good	34.288 \| good	0.758 \| good
2025-12-07T05:00:00.000Z	60 \| moderate	14.07 \| fine	69.37 \| fine	20.803 \| good	0.657 \| good	33.548 \| good	0.955 \| good
2025-12-07T06:00:00.000Z	86 \| moderate	28.041 \| fine	92.782 \| fine	16.082 \| good	0.832 \| good	33.219 \| good	1.288 \| good
2025-12-07T07:00:00.000Z	71 \| moderate	19.557 \| fine	36.344 \| good	17.733 \| good	0.832 \| good	33.357 \| good	1.284 \| good
2025-12-07T08:00:00.000Z	62 \| moderate	14.907 \| fine	55.621 \| fine	17.448 \| good	0.941 \| good	31.223 \| good	1.237 \| good
2025-12-07T09:00:00.000Z	58 \| moderate	13.014 \| fine	28.92 \| good	4.634 \| good	0.534 \| good	29.632 \| good	1.211 \| good
2025-12-07T10:00:00.000Z	69 \| moderate	19.058 \| fine	56.99 \| fine	2.685 \| good	0.936 \| good	28.302 \| good	1.246 \| good
2025-12-07T11:00:00.000Z	79 \| moderate	24.243 \| fine	72.1 \| fine	8.401 \| good	0.932 \| good	22.675 \| good	1.242 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	16.049 \| fine	25.176 \| good	6.856 \| good	0.927 \| good	23.49 \| good	1.157 \| good
2025-12-07T13:00:00.000Z	86 \| moderate	27.681 \| fine	38.248 \| good	2.928 \| good	0.851 \| good	5.685 \| good	0.559 \| good
2025-12-07T14:00:00.000Z	79 \| moderate	22.29 \| fine	110.527 \| fine	2.687 \| good	0.516 \| good	19.942 \| good	1.022 \| good
2025-12-07T15:00:00.000Z	69 \| moderate	18.734 \| fine	30.847 \| good	4.364 \| good	0.618 \| good	21.934 \| good	1.043 \| good
2025-12-07T16:00:00.000Z	75 \| moderate	22.15 \| fine	66.994 \| fine	3.68 \| good	0.638 \| good	20.631 \| good	0.993 \| good
2025-12-07T17:00:00.000Z	98 \| moderate	24.823 \| fine	148.734 \| fine	10.106 \| good	0.547 \| good	28.567 \| good	0.783 \| good
2025-12-07T18:00:00.000Z	64 \| moderate	16.45 \| fine	61.539 \| fine	15.649 \| good	0.454 \| good	30.027 \| good	0.643 \| good
2025-12-07T19:00:00.000Z	67 \| moderate	17.524 \| fine	75.227 \| fine	20.92 \| good	0.76 \| good	25.381 \| good	0.489 \| good
2025-12-07T20:00:00.000Z	66 \| moderate	17.338 \| fine	78.284 \| fine	26.765 \| good	1.174 \| good	18.934 \| good	0.493 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.101 \| fine	84.577 \| fine	34.127 \| good	0.742 \| good	15.197 \| good	0.46 \| good
2025-12-07T22:00:00.000Z	67 \| moderate	18.101 \| fine	84.577 \| fine	34.127 \| good	0.742 \| good	15.197 \| good	0.46 \| good
2025-12-07T23:00:00.000Z	69 \| moderate	18.845 \| fine	82.989 \| fine	39.677 \| good	5.767 \| good	32.18 \| good	0.306 \| good
2025-12-08T00:00:00.000Z	69 \| moderate	19.389 \| fine	85.403 \| fine	32.588 \| good	6.222 \| good	36.882 \| good	0.336 \| good
2025-12-08T01:00:00.000Z	77 \| moderate	23.284 \| fine	101.552 \| fine	25.676 \| good	6.205 \| good	39.444 \| good	0.429 \| good
2025-12-08T02:00:00.000Z	84 \| moderate	26.614 \| fine	115.653 \| fine	21.646 \| good	6.188 \| good	42.005 \| good	0.522 \| good
2025-12-08T03:00:00.000Z	96 \| moderate	33.281 \| fine	143.923 \| fine	12.713 \| good	6.17 \| good	44.567 \| good	0.615 \| good
2025-12-08T04:00:00.000Z	112 \| sensitive	39.813 \| moderate	176.103 \| moderate	7.433 \| good	5.604 \| good	42.037 \| good	0.614 \| good
2025-12-08T05:00:00.000Z	115 \| sensitive	40.735 \| moderate	180.549 \| moderate	4.687 \| good	5.038 \| good	39.507 \| good	0.614 \| good
2025-12-08T06:00:00.000Z	108 \| sensitive	38.311 \| moderate	168.715 \| moderate	4.923 \| good	4.471 \| good	36.977 \| good	0.614 \| good
2025-12-08T07:00:00.000Z	107 \| sensitive	38.014 \| moderate	166.871 \| moderate	4.109 \| good	3.851 \| good	35.81 \| good	0.555 \| good
2025-12-08T08:00:00.000Z	112 \| sensitive	39.795 \| moderate	175.393 \| moderate	3.345 \| good	3.23 \| good	34.642 \| good	0.496 \| good
2025-12-08T09:00:00.000Z	110 \| sensitive	38.962 \| moderate	171.621 \| moderate	2.056 \| good	2.61 \| good	33.475 \| good	0.437 \| good
2025-12-08T10:00:00.000Z	115 \| sensitive	41.219 \| moderate	183.14 \| moderate	2.864 \| good	2.366 \| good	32.223 \| good	0.385 \| good
2025-12-08T11:00:00.000Z	122 \| sensitive	43.721 \| moderate	195.413 \| moderate	1.989 \| good	2.123 \| good	30.971 \| good	0.332 \| good
2025-12-08T12:00:00.000Z	117 \| sensitive	42.056 \| moderate	187.316 \| moderate	1.181 \| good	1.879 \| good	29.718 \| good	0.279 \| good
2025-12-08T13:00:00.000Z	124 \| sensitive	44.784 \| moderate	200.493 \| moderate	0.509 \| good	1.98 \| good	28.941 \| good	0.269 \| good
2025-12-08T14:00:00.000Z	107 \| sensitive	38.086 \| moderate	167.359 \| moderate	0.23 \| good	2.082 \| good	28.165 \| good	0.26 \| good
2025-12-08T15:00:00.000Z	92 \| moderate	31.058 \| fine	135.591 \| fine	0.885 \| good	2.183 \| good	27.388 \| good	0.25 \| good
2025-12-08T16:00:00.000Z	77 \| moderate	23.323 \| fine	101.87 \| fine	1.643 \| good	2.394 \| good	25.087 \| good	0.261 \| good
2025-12-08T17:00:00.000Z	71 \| moderate	20.244 \| fine	89.033 \| fine	7.663 \| good	2.605 \| good	22.786 \| good	0.271 \| good
2025-12-08T18:00:00.000Z	60 \| moderate	13.603 \| fine	60.344 \| fine	17.645 \| good	2.815 \| good	20.485 \| good	0.282 \| good
2025-12-08T19:00:00.000Z	54 \| moderate	11.468 \| good	51.405 \| good	25.498 \| good	3.031 \| good	19.546 \| good	0.261 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	10.757 \| good	48.216 \| good	31.23 \| good	3.246 \| good	18.608 \| good	0.241 \| good
2025-12-08T21:00:00.000Z	58 \| moderate	13.49 \| fine	60.584 \| fine	34.152 \| good	3.462 \| good	17.669 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	60 \| moderate	13.958 \| fine	62.906 \| fine	34.738 \| good	3.801 \| good	21.812 \| good	0.24 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.533 \| fine	60.529 \| fine	31.952 \| good	4.141 \| good	25.954 \| good	0.26 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	12.967 \| fine	58.078 \| fine	25.941 \| good	4.481 \| good	30.097 \| good	0.279 \| good
2025-12-09T01:00:00.000Z	60 \| moderate	13.573 \| fine	61.606 \| fine	17.877 \| good	4.362 \| good	31.816 \| good	0.318 \| good
2025-12-09T02:00:00.000Z	64 \| moderate	16.122 \| fine	72.037 \| fine	8.12 \| good	4.243 \| good	33.536 \| good	0.357 \| good
2025-12-09T03:00:00.000Z	69 \| moderate	19.453 \| fine	85.511 \| fine	1.123 \| good	4.124 \| good	35.255 \| good	0.396 \| good
2025-12-09T04:00:00.000Z	75 \| moderate	21.529 \| fine	94.57 \| fine	1.073 \| good	3.717 \| good	33.93 \| good	0.365 \| good
2025-12-09T05:00:00.000Z	66 \| moderate	17.106 \| fine	76.153 \| fine	1.435 \| good	3.309 \| good	32.605 \| good	0.334 \| good
2025-12-09T06:00:00.000Z	56 \| moderate	11.639 \| good	51.881 \| good	2.811 \| good	2.901 \| good	31.28 \| good	0.303 \| good
2025-12-09T07:00:00.000Z	44 \| good	7.827 \| good	34.58 \| good	2.3 \| good	2.49 \| good	29.446 \| good	0.27 \| good
2025-12-09T08:00:00.000Z	38 \| good	7.065 \| good	31.103 \| good	2.263 \| good	2.078 \| good	27.612 \| good	0.236 \| good
2025-12-09T09:00:00.000Z	33 \| good	5.905 \| good	25.999 \| good	1.619 \| good	1.667 \| good	25.778 \| good	0.203 \| good
2025-12-09T10:00:00.000Z	27 \| good	4.604 \| good	20.165 \| good	1.804 \| good	1.658 \| good	22.431 \| good	0.182 \| good
2025-12-09T11:00:00.000Z	27 \| good	5.288 \| good	23.177 \| good	2.292 \| good	1.65 \| good	19.084 \| good	0.16 \| good
2025-12-09T12:00:00.000Z	27 \| good	5.282 \| good	23.153 \| good	1.894 \| good	1.642 \| good	15.737 \| good	0.139 \| good
2025-12-09T13:00:00.000Z	17 \| good	2.581 \| good	10.792 \| good	1.382 \| good	1.83 \| good	17.819 \| good	0.151 \| good
2025-12-09T14:00:00.000Z	22 \| good	4.454 \| good	19.683 \| good	0.699 \| good	2.017 \| good	19.901 \| good	0.163 \| good
2025-12-09T15:00:00.000Z	22 \| good	4.292 \| good	18.842 \| good	1.32 \| good	2.204 \| good	21.983 \| good	0.174 \| good
2025-12-09T16:00:00.000Z	27 \| good	5.284 \| good	22.606 \| good	1.84 \| good	2.465 \| good	21.252 \| good	0.197 \| good
2025-12-09T17:00:00.000Z	22 \| good	3.833 \| good	16.628 \| good	6.862 \| good	2.726 \| good	20.521 \| good	0.219 \| good
2025-12-09T18:00:00.000Z	22 \| good	4.489 \| good	19.548 \| good	13.17 \| good	2.987 \| good	19.79 \| good	0.242 \| good
2025-12-09T19:00:00.000Z	27 \| good	4.601 \| good	19.824 \| good	19.058 \| good	3.277 \| good	18.98 \| good	0.225 \| good
2025-12-09T20:00:00.000Z	22 \| good	4.163 \| good	18.038 \| good	24.454 \| good	3.568 \| good	18.169 \| good	0.208 \| good
2025-12-09T21:00:00.000Z	27 \| good	4.914 \| good	21.247 \| good	27.709 \| good	3.858 \| good	17.359 \| good	0.191 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.551 \| good	19.929 \| good	28.887 \| good	4.172 \| good	21.645 \| good	0.215 \| good

Real-time air quality index in Norwalk, California today

Common air pollutants in Norwalk, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Norwalk, California air quality forecast and history

Empower business decisions with accurate air quality data

Norwalk, California air quality map: Real-time AQI near you

Air quality in nearby cities

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How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Norwalk, California updated?

When did Norwalk, California experience the worst air quality in the last 24 hours?

When did Norwalk, California have its best air quality in the last 24 hours?

What is the real-time air quality index for Norwalk, California?

Which pollutant is found most often in Norwalk, California?

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

What are the current PM2.5 levels in Norwalk, California?

What are the current PM10 levels at Norwalk, California?

What are the current carbon monoxide (CO) levels at Norwalk, California?

What are the current sulfur dioxide (SO2) levels at Norwalk, California?

What are the current ozone (O3) levels at Norwalk, California?

What are the current nitrogen dioxide (NO2) levels at Norwalk, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Norwalk, California?

What are the current PM₁₀ levels at Norwalk, California?

What are the current sulfur dioxide (SO₂) levels at Norwalk, California?

What are the current ozone (O₃) levels at Norwalk, California?

What are the current nitrogen dioxide (NO₂) levels at Norwalk, California?