What are the current PM10 levels at Norwalk, California?

The current PM10 levels in Norwalk, California are 70.12 μg/m3.

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

The current sulfur dioxide (SO2) levels in Norwalk, California are 0.9 ppb.

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

The current ozone (O3) levels at Norwalk, California is 52.159 ppm.

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

The current nitrogen dioxide (NO2) levels at Norwalk, California is 7.353 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 15.853 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)

15.85 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

70.12 μg/m³

155

255

425

605+

Ozone (O₃)

52.16 ppb

201

201+

Sulfur Dioxide (SO₂)

0.90 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.35 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2026-07-21T23:00:00.000Z	44 \| good	7.619 \| good	32.279 \| good	38.831 \| good	0.689 \| good	11.166 \| good	0.117 \| good
2026-07-22T00:00:00.000Z	38 \| good	7.32 \| good	30.332 \| good	36.338 \| good	0.617 \| good	11.627 \| good	0.114 \| good
2026-07-22T01:00:00.000Z	33 \| good	5.94 \| good	26.166 \| good	34.603 \| good	0.578 \| good	8.092 \| good	0.12 \| good
2026-07-22T02:00:00.000Z	40 \| good	5.716 \| good	43.377 \| good	34.063 \| good	0.636 \| good	8.71 \| good	0.114 \| good
2026-07-22T03:00:00.000Z	33 \| good	5.662 \| good	25.834 \| good	31.293 \| good	0.599 \| good	8.63 \| good	0.12 \| good
2026-07-22T04:00:00.000Z	27 \| good	5.23 \| good	22.378 \| good	29.133 \| good	0.476 \| good	11.034 \| good	0.126 \| good
2026-07-22T05:00:00.000Z	27 \| good	4.984 \| good	20.822 \| good	26.806 \| good	0.73 \| good	12.889 \| good	0.14 \| good
2026-07-22T06:00:00.000Z	22 \| good	4.439 \| good	18.597 \| good	24.483 \| good	0.537 \| good	10.596 \| good	0.138 \| good
2026-07-22T07:00:00.000Z	22 \| good	4.358 \| good	17.448 \| good	24.467 \| good	0.537 \| good	10.494 \| good	0.138 \| good
2026-07-22T08:00:00.000Z	27 \| good	5.005 \| good	29.166 \| good	18.356 \| good	0.48 \| good	10.347 \| good	0.131 \| good
2026-07-22T09:00:00.000Z	22 \| good	4.44 \| good	19.166 \| good	16.879 \| good	0.508 \| good	6.348 \| good	0.119 \| good
2026-07-22T10:00:00.000Z	22 \| good	3.66 \| good	14.294 \| good	15.428 \| good	0.442 \| good	6.55 \| good	0.119 \| good
2026-07-22T11:00:00.000Z	16 \| good	3.338 \| good	16.036 \| good	15.727 \| good	0.538 \| good	8.427 \| good	0.113 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.654 \| good	14.283 \| good	17.629 \| good	0.451 \| good	8.773 \| good	0.121 \| good
2026-07-22T13:00:00.000Z	17 \| good	3.268 \| good	12.002 \| good	18.002 \| good	0.451 \| good	8.854 \| good	0.121 \| good
2026-07-22T14:00:00.000Z	22 \| good	4.497 \| good	19.593 \| good	19.041 \| good	0.434 \| good	13.565 \| good	0.155 \| good
2026-07-22T15:00:00.000Z	27 \| good	5.225 \| good	23.122 \| good	19.771 \| good	0.518 \| good	13.612 \| good	0.147 \| good
2026-07-22T16:00:00.000Z	27 \| good	5.223 \| good	23.196 \| good	20.747 \| good	0.61 \| good	14.212 \| good	0.142 \| good
2026-07-22T17:00:00.000Z	33 \| good	5.667 \| good	20.117 \| good	20.804 \| good	0.705 \| good	14.624 \| good	0.136 \| good
2026-07-22T18:00:00.000Z	33 \| good	6.329 \| good	23.428 \| good	21.834 \| good	0.743 \| good	13.775 \| good	0.136 \| good
2026-07-22T19:00:00.000Z	38 \| good	6.519 \| good	27.248 \| good	24.481 \| good	0.665 \| good	13.123 \| good	0.262 \| good
2026-07-22T20:00:00.000Z	33 \| good	6.348 \| good	25.205 \| good	26.7 \| good	0.799 \| good	15.042 \| good	0.262 \| good
2026-07-22T21:00:00.000Z	38 \| good	6.532 \| good	30.638 \| good	31.618 \| good	0.775 \| good	7.912 \| good	0.136 \| good
2026-07-22T22:00:00.000Z	33 \| good	5.773 \| good	27.959 \| good	31.912 \| good	0.97 \| good	6.478 \| good	0.125 \| good
2026-07-22T23:00:00.000Z	31 \| good	4.914 \| good	23.484 \| good	33.337 \| good	0.718 \| good	5.587 \| good	0.131 \| good
2026-07-23T00:00:00.000Z	30 \| good	3.791 \| good	19.111 \| good	31.72 \| good	0.84 \| good	4.488 \| good	0.125 \| good
2026-07-23T01:00:00.000Z	29 \| good	3.167 \| good	14.324 \| good	31.337 \| good	0.989 \| good	4.396 \| good	0.125 \| good
2026-07-23T02:00:00.000Z	28 \| good	3.065 \| good	18.124 \| good	29.906 \| good	0.973 \| good	5.853 \| good	0.131 \| good
2026-07-23T03:00:00.000Z	49 \| good	9.448 \| good	42.016 \| good	22.08 \| good	0.927 \| good	6.34 \| good	0.109 \| good
2026-07-23T04:00:00.000Z	25 \| good	3.889 \| good	17.93 \| good	27.389 \| good	0.789 \| good	8.4 \| good	0.131 \| good
2026-07-23T05:00:00.000Z	27 \| good	4.967 \| good	21.523 \| good	25.049 \| good	0.86 \| good	8.486 \| good	0.131 \| good
2026-07-23T06:00:00.000Z	33 \| good	6.306 \| good	26.382 \| good	25.272 \| good	0.749 \| good	7.513 \| good	0.137 \| good
2026-07-23T07:00:00.000Z	38 \| good	6.98 \| good	25.279 \| good	25.421 \| good	0.741 \| good	7.508 \| good	0.137 \| good
2026-07-23T08:00:00.000Z	38 \| good	7.118 \| good	30.111 \| good	21.673 \| good	0.611 \| good	10.516 \| good	0.142 \| good
2026-07-23T09:00:00.000Z	44 \| good	8.322 \| good	35.404 \| good	20.838 \| good	0.676 \| good	9.948 \| good	0.13 \| good
2026-07-23T10:00:00.000Z	44 \| good	8.306 \| good	36.235 \| good	20.686 \| good	0.614 \| good	8.623 \| good	0.133 \| good
2026-07-23T11:00:00.000Z	38 \| good	7.215 \| good	29.612 \| good	18.231 \| good	0.708 \| good	10.443 \| good	0.13 \| good
2026-07-23T12:00:00.000Z	38 \| good	7.37 \| good	27.373 \| good	18.791 \| good	0.516 \| good	12.256 \| good	0.211 \| good
2026-07-23T13:00:00.000Z	38 \| good	6.942 \| good	27.117 \| good	16.07 \| good	0.515 \| good	12.225 \| good	0.211 \| good
2026-07-23T14:00:00.000Z	44 \| good	7.748 \| good	34.064 \| good	13.884 \| good	0.634 \| good	12.808 \| good	0.323 \| good
2026-07-23T15:00:00.000Z	44 \| good	8.397 \| good	34.953 \| good	15.804 \| good	0.803 \| good	9.562 \| good	0.338 \| good
2026-07-23T16:00:00.000Z	52 \| moderate	9.587 \| good	40.338 \| good	15.794 \| good	0.917 \| good	6.968 \| good	0.254 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	9.584 \| good	42.944 \| good	20.968 \| good	0.853 \| good	8.051 \| good	0.234 \| good
2026-07-23T18:00:00.000Z	52 \| moderate	9.786 \| good	43.105 \| good	22.369 \| good	0.867 \| good	12.716 \| good	0.242 \| good
2026-07-23T19:00:00.000Z	56 \| moderate	12.175 \| fine	54.155 \| good	24.769 \| good	0.791 \| good	13.952 \| good	0.358 \| good
2026-07-23T20:00:00.000Z	60 \| moderate	13.718 \| fine	59.496 \| fine	28.013 \| good	0.852 \| good	12.865 \| good	0.312 \| good
2026-07-23T21:00:00.000Z	60 \| moderate	14.234 \| fine	63.888 \| fine	46.089 \| good	0.926 \| good	14.275 \| good	0.262 \| good
2026-07-23T22:00:00.000Z	64 \| moderate	15.853 \| fine	70.12 \| fine	52.159 \| good	0.9 \| good	7.353 \| good	0.28 \| good
2026-07-23T23:00:00.000Z	49 \| good	9.242 \| good	41.134 \| good	43.516 \| good	1.539 \| good	4.68 \| good	0.125 \| good
2026-07-24T00:00:00.000Z	54 \| moderate	10.632 \| good	47.227 \| good	36.829 \| good	1.502 \| good	4.53 \| good	0.125 \| good
2026-07-24T01:00:00.000Z	52 \| moderate	9.956 \| good	44.467 \| good	32.985 \| good	1.449 \| good	5.188 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	56 \| moderate	11.621 \| good	51.992 \| good	25.021 \| good	1.392 \| good	6.842 \| good	0.128 \| good
2026-07-24T03:00:00.000Z	54 \| moderate	10.61 \| good	46.797 \| good	24.129 \| good	1.329 \| good	9.381 \| good	0.129 \| good
2026-07-24T04:00:00.000Z	56 \| moderate	12.069 \| good	54.308 \| good	21.263 \| good	1.307 \| good	11.267 \| good	0.13 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	12.059 \| good	54.217 \| good	20.812 \| good	1.278 \| good	12.767 \| good	0.131 \| good
2026-07-24T06:00:00.000Z	56 \| moderate	11.574 \| good	51.112 \| good	20.878 \| good	1.246 \| good	14.456 \| good	0.134 \| good
2026-07-24T07:00:00.000Z	56 \| moderate	11.582 \| good	51.091 \| good	20.08 \| good	1.201 \| good	16.374 \| good	0.139 \| good
2026-07-24T08:00:00.000Z	56 \| moderate	12.476 \| fine	56.046 \| fine	19.357 \| good	1.128 \| good	16.432 \| good	0.141 \| good
2026-07-24T09:00:00.000Z	54 \| moderate	10.55 \| good	46.8 \| good	20.998 \| good	1.086 \| good	16.621 \| good	0.142 \| good
2026-07-24T10:00:00.000Z	54 \| moderate	10.915 \| good	48.377 \| good	19.14 \| good	1.063 \| good	17.356 \| good	0.144 \| good
2026-07-24T11:00:00.000Z	54 \| moderate	10.932 \| good	48.574 \| good	18.299 \| good	1.058 \| good	18.319 \| good	0.148 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	11.233 \| good	49.64 \| good	18.47 \| good	1.049 \| good	18.898 \| good	0.151 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	13.088 \| fine	58.483 \| fine	15.341 \| good	1.053 \| good	18.746 \| good	0.155 \| good
2026-07-24T14:00:00.000Z	62 \| moderate	15.063 \| fine	67.118 \| fine	16.285 \| good	1.052 \| good	16.056 \| good	0.162 \| good
2026-07-24T15:00:00.000Z	66 \| moderate	16.847 \| fine	75.172 \| fine	20.741 \| good	1.115 \| good	11.054 \| good	0.14 \| good
2026-07-24T16:00:00.000Z	67 \| moderate	17.896 \| fine	79.321 \| fine	28.21 \| good	1.168 \| good	9.203 \| good	0.135 \| good
2026-07-24T17:00:00.000Z	69 \| moderate	18.95 \| fine	83.576 \| fine	37.68 \| good	1.289 \| good	8.354 \| good	0.134 \| good
2026-07-24T18:00:00.000Z	69 \| moderate	18.885 \| fine	83.876 \| fine	46.378 \| good	1.399 \| good	7.753 \| good	0.133 \| good
2026-07-24T19:00:00.000Z	66 \| moderate	16.716 \| fine	74.444 \| fine	47.952 \| good	1.47 \| good	6.947 \| good	0.132 \| good
2026-07-24T20:00:00.000Z	60 \| moderate	14.173 \| fine	63.885 \| fine	48.888 \| good	1.503 \| good	6.008 \| good	0.129 \| good
2026-07-24T21:00:00.000Z	56 \| moderate	12.244 \| fine	55.2 \| fine	50.997 \| good	1.517 \| good	5.246 \| good	0.126 \| good
2026-07-24T22:00:00.000Z	56 \| moderate	11.957 \| good	53.424 \| good	47.847 \| good	1.521 \| good	4.677 \| good	0.123 \| good
2026-07-24T23:00:00.000Z	56 \| moderate	11.896 \| good	53.564 \| good	43.346 \| good	1.503 \| good	4.35 \| good	0.121 \| good
2026-07-25T00:00:00.000Z	56 \| moderate	11.728 \| good	52.558 \| good	38.025 \| good	1.485 \| good	4.458 \| good	0.119 \| good
2026-07-25T01:00:00.000Z	54 \| moderate	10.828 \| good	47.97 \| good	31.998 \| good	1.439 \| good	4.964 \| good	0.118 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	11.054 \| good	48.984 \| good	23.979 \| good	1.382 \| good	6.319 \| good	0.117 \| good
2026-07-25T03:00:00.000Z	52 \| moderate	9.916 \| good	43.993 \| good	26.215 \| good	1.34 \| good	8.454 \| good	0.118 \| good
2026-07-25T04:00:00.000Z	52 \| moderate	10.499 \| good	46.384 \| good	25.593 \| good	1.306 \| good	10.072 \| good	0.119 \| good
2026-07-25T05:00:00.000Z	52 \| moderate	9.506 \| good	42.374 \| good	24.728 \| good	1.281 \| good	11.261 \| good	0.121 \| good
2026-07-25T06:00:00.000Z	52 \| moderate	9.568 \| good	42.555 \| good	22.524 \| good	1.258 \| good	12.997 \| good	0.124 \| good
2026-07-25T07:00:00.000Z	52 \| moderate	10.373 \| good	45.676 \| good	21.003 \| good	1.222 \| good	14.666 \| good	0.128 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	10.754 \| good	47.377 \| good	18.841 \| good	1.178 \| good	15.677 \| good	0.134 \| good
2026-07-25T09:00:00.000Z	44 \| good	8.317 \| good	36.83 \| good	19.043 \| good	1.166 \| good	17.254 \| good	0.139 \| good
2026-07-25T10:00:00.000Z	49 \| good	8.818 \| good	38.722 \| good	19.451 \| good	1.163 \| good	18.544 \| good	0.145 \| good
2026-07-25T11:00:00.000Z	49 \| good	8.547 \| good	37.625 \| good	19.577 \| good	1.144 \| good	19.802 \| good	0.15 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	10.301 \| good	45.404 \| good	21.263 \| good	1.124 \| good	22.066 \| good	0.159 \| good
2026-07-25T13:00:00.000Z	54 \| moderate	11.007 \| good	48.911 \| good	17.456 \| good	1.123 \| good	22.884 \| good	0.169 \| good
2026-07-25T14:00:00.000Z	60 \| moderate	13.573 \| fine	60.695 \| fine	16.188 \| good	1.159 \| good	19.598 \| good	0.18 \| good
2026-07-25T15:00:00.000Z	64 \| moderate	16.06 \| fine	71.571 \| fine	18.533 \| good	1.271 \| good	13.171 \| good	0.146 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.144 \| fine	75.907 \| fine	25.409 \| good	1.392 \| good	10.446 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	67 \| moderate	18.21 \| fine	80.257 \| fine	37.006 \| good	1.543 \| good	9.258 \| good	0.134 \| good
2026-07-25T18:00:00.000Z	73 \| moderate	20.557 \| fine	90.344 \| fine	49.455 \| good	1.636 \| good	8.354 \| good	0.132 \| good
2026-07-25T19:00:00.000Z	69 \| moderate	18.733 \| fine	82.541 \| fine	55.728 \| fine	1.681 \| good	7.352 \| good	0.129 \| good
2026-07-25T20:00:00.000Z	67 \| moderate	17.419 \| fine	77.304 \| fine	60.06 \| fine	1.715 \| good	6.349 \| good	0.127 \| good
2026-07-25T21:00:00.000Z	77 \| moderate	15.25 \| fine	68.544 \| fine	62.953 \| fine	1.761 \| good	5.481 \| good	0.125 \| good
2026-07-25T22:00:00.000Z	74 \| moderate	12.978 \| fine	58.798 \| fine	62.36 \| fine	1.798 \| good	4.722 \| good	0.123 \| good

Norwalk

Empower business decisions with accurate air quality data

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

0.27ppm

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

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 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 09:00:00 on 2026-07-23.

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

The best air quality in Norwalk, California was recorded at 04:00:00 on 2026-07-23.

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

The real-time air quality index in Norwalk, California is 64, 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 15.853 μg/m³.

What are the current PM₁₀ levels at Norwalk, California?

The current PM₁₀ levels in Norwalk, California are 70.12 μg/m³.

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

The current carbon monoxide (CO) level in Norwalk, California is 0.28 ppm.

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

The current sulfur dioxide (SO₂) levels in Norwalk, California are 0.9 ppb.

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

The current ozone (O₃) levels at Norwalk, California is 52.159 ppm.

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

The current nitrogen dioxide (NO₂) levels at Norwalk, California is 7.353 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	44 \| good	7.619 \| good	32.279 \| good	38.831 \| good	0.689 \| good	11.166 \| good	0.117 \| good
2026-07-22T00:00:00.000Z	38 \| good	7.32 \| good	30.332 \| good	36.338 \| good	0.617 \| good	11.627 \| good	0.114 \| good
2026-07-22T01:00:00.000Z	33 \| good	5.94 \| good	26.166 \| good	34.603 \| good	0.578 \| good	8.092 \| good	0.12 \| good
2026-07-22T02:00:00.000Z	40 \| good	5.716 \| good	43.377 \| good	34.063 \| good	0.636 \| good	8.71 \| good	0.114 \| good
2026-07-22T03:00:00.000Z	33 \| good	5.662 \| good	25.834 \| good	31.293 \| good	0.599 \| good	8.63 \| good	0.12 \| good
2026-07-22T04:00:00.000Z	27 \| good	5.23 \| good	22.378 \| good	29.133 \| good	0.476 \| good	11.034 \| good	0.126 \| good
2026-07-22T05:00:00.000Z	27 \| good	4.984 \| good	20.822 \| good	26.806 \| good	0.73 \| good	12.889 \| good	0.14 \| good
2026-07-22T06:00:00.000Z	22 \| good	4.439 \| good	18.597 \| good	24.483 \| good	0.537 \| good	10.596 \| good	0.138 \| good
2026-07-22T07:00:00.000Z	22 \| good	4.358 \| good	17.448 \| good	24.467 \| good	0.537 \| good	10.494 \| good	0.138 \| good
2026-07-22T08:00:00.000Z	27 \| good	5.005 \| good	29.166 \| good	18.356 \| good	0.48 \| good	10.347 \| good	0.131 \| good
2026-07-22T09:00:00.000Z	22 \| good	4.44 \| good	19.166 \| good	16.879 \| good	0.508 \| good	6.348 \| good	0.119 \| good
2026-07-22T10:00:00.000Z	22 \| good	3.66 \| good	14.294 \| good	15.428 \| good	0.442 \| good	6.55 \| good	0.119 \| good
2026-07-22T11:00:00.000Z	16 \| good	3.338 \| good	16.036 \| good	15.727 \| good	0.538 \| good	8.427 \| good	0.113 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.654 \| good	14.283 \| good	17.629 \| good	0.451 \| good	8.773 \| good	0.121 \| good
2026-07-22T13:00:00.000Z	17 \| good	3.268 \| good	12.002 \| good	18.002 \| good	0.451 \| good	8.854 \| good	0.121 \| good
2026-07-22T14:00:00.000Z	22 \| good	4.497 \| good	19.593 \| good	19.041 \| good	0.434 \| good	13.565 \| good	0.155 \| good
2026-07-22T15:00:00.000Z	27 \| good	5.225 \| good	23.122 \| good	19.771 \| good	0.518 \| good	13.612 \| good	0.147 \| good
2026-07-22T16:00:00.000Z	27 \| good	5.223 \| good	23.196 \| good	20.747 \| good	0.61 \| good	14.212 \| good	0.142 \| good
2026-07-22T17:00:00.000Z	33 \| good	5.667 \| good	20.117 \| good	20.804 \| good	0.705 \| good	14.624 \| good	0.136 \| good
2026-07-22T18:00:00.000Z	33 \| good	6.329 \| good	23.428 \| good	21.834 \| good	0.743 \| good	13.775 \| good	0.136 \| good
2026-07-22T19:00:00.000Z	38 \| good	6.519 \| good	27.248 \| good	24.481 \| good	0.665 \| good	13.123 \| good	0.262 \| good
2026-07-22T20:00:00.000Z	33 \| good	6.348 \| good	25.205 \| good	26.7 \| good	0.799 \| good	15.042 \| good	0.262 \| good
2026-07-22T21:00:00.000Z	38 \| good	6.532 \| good	30.638 \| good	31.618 \| good	0.775 \| good	7.912 \| good	0.136 \| good
2026-07-22T22:00:00.000Z	33 \| good	5.773 \| good	27.959 \| good	31.912 \| good	0.97 \| good	6.478 \| good	0.125 \| good
2026-07-22T23:00:00.000Z	31 \| good	4.914 \| good	23.484 \| good	33.337 \| good	0.718 \| good	5.587 \| good	0.131 \| good
2026-07-23T00:00:00.000Z	30 \| good	3.791 \| good	19.111 \| good	31.72 \| good	0.84 \| good	4.488 \| good	0.125 \| good
2026-07-23T01:00:00.000Z	29 \| good	3.167 \| good	14.324 \| good	31.337 \| good	0.989 \| good	4.396 \| good	0.125 \| good
2026-07-23T02:00:00.000Z	28 \| good	3.065 \| good	18.124 \| good	29.906 \| good	0.973 \| good	5.853 \| good	0.131 \| good
2026-07-23T03:00:00.000Z	49 \| good	9.448 \| good	42.016 \| good	22.08 \| good	0.927 \| good	6.34 \| good	0.109 \| good
2026-07-23T04:00:00.000Z	25 \| good	3.889 \| good	17.93 \| good	27.389 \| good	0.789 \| good	8.4 \| good	0.131 \| good
2026-07-23T05:00:00.000Z	27 \| good	4.967 \| good	21.523 \| good	25.049 \| good	0.86 \| good	8.486 \| good	0.131 \| good
2026-07-23T06:00:00.000Z	33 \| good	6.306 \| good	26.382 \| good	25.272 \| good	0.749 \| good	7.513 \| good	0.137 \| good
2026-07-23T07:00:00.000Z	38 \| good	6.98 \| good	25.279 \| good	25.421 \| good	0.741 \| good	7.508 \| good	0.137 \| good
2026-07-23T08:00:00.000Z	38 \| good	7.118 \| good	30.111 \| good	21.673 \| good	0.611 \| good	10.516 \| good	0.142 \| good
2026-07-23T09:00:00.000Z	44 \| good	8.322 \| good	35.404 \| good	20.838 \| good	0.676 \| good	9.948 \| good	0.13 \| good
2026-07-23T10:00:00.000Z	44 \| good	8.306 \| good	36.235 \| good	20.686 \| good	0.614 \| good	8.623 \| good	0.133 \| good
2026-07-23T11:00:00.000Z	38 \| good	7.215 \| good	29.612 \| good	18.231 \| good	0.708 \| good	10.443 \| good	0.13 \| good
2026-07-23T12:00:00.000Z	38 \| good	7.37 \| good	27.373 \| good	18.791 \| good	0.516 \| good	12.256 \| good	0.211 \| good
2026-07-23T13:00:00.000Z	38 \| good	6.942 \| good	27.117 \| good	16.07 \| good	0.515 \| good	12.225 \| good	0.211 \| good
2026-07-23T14:00:00.000Z	44 \| good	7.748 \| good	34.064 \| good	13.884 \| good	0.634 \| good	12.808 \| good	0.323 \| good
2026-07-23T15:00:00.000Z	44 \| good	8.397 \| good	34.953 \| good	15.804 \| good	0.803 \| good	9.562 \| good	0.338 \| good
2026-07-23T16:00:00.000Z	52 \| moderate	9.587 \| good	40.338 \| good	15.794 \| good	0.917 \| good	6.968 \| good	0.254 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	9.584 \| good	42.944 \| good	20.968 \| good	0.853 \| good	8.051 \| good	0.234 \| good
2026-07-23T18:00:00.000Z	52 \| moderate	9.786 \| good	43.105 \| good	22.369 \| good	0.867 \| good	12.716 \| good	0.242 \| good
2026-07-23T19:00:00.000Z	56 \| moderate	12.175 \| fine	54.155 \| good	24.769 \| good	0.791 \| good	13.952 \| good	0.358 \| good
2026-07-23T20:00:00.000Z	60 \| moderate	13.718 \| fine	59.496 \| fine	28.013 \| good	0.852 \| good	12.865 \| good	0.312 \| good
2026-07-23T21:00:00.000Z	60 \| moderate	14.234 \| fine	63.888 \| fine	46.089 \| good	0.926 \| good	14.275 \| good	0.262 \| good
2026-07-23T22:00:00.000Z	64 \| moderate	15.853 \| fine	70.12 \| fine	52.159 \| good	0.9 \| good	7.353 \| good	0.28 \| good
2026-07-23T23:00:00.000Z	49 \| good	9.242 \| good	41.134 \| good	43.516 \| good	1.539 \| good	4.68 \| good	0.125 \| good
2026-07-24T00:00:00.000Z	54 \| moderate	10.632 \| good	47.227 \| good	36.829 \| good	1.502 \| good	4.53 \| good	0.125 \| good
2026-07-24T01:00:00.000Z	52 \| moderate	9.956 \| good	44.467 \| good	32.985 \| good	1.449 \| good	5.188 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	56 \| moderate	11.621 \| good	51.992 \| good	25.021 \| good	1.392 \| good	6.842 \| good	0.128 \| good
2026-07-24T03:00:00.000Z	54 \| moderate	10.61 \| good	46.797 \| good	24.129 \| good	1.329 \| good	9.381 \| good	0.129 \| good
2026-07-24T04:00:00.000Z	56 \| moderate	12.069 \| good	54.308 \| good	21.263 \| good	1.307 \| good	11.267 \| good	0.13 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	12.059 \| good	54.217 \| good	20.812 \| good	1.278 \| good	12.767 \| good	0.131 \| good
2026-07-24T06:00:00.000Z	56 \| moderate	11.574 \| good	51.112 \| good	20.878 \| good	1.246 \| good	14.456 \| good	0.134 \| good
2026-07-24T07:00:00.000Z	56 \| moderate	11.582 \| good	51.091 \| good	20.08 \| good	1.201 \| good	16.374 \| good	0.139 \| good
2026-07-24T08:00:00.000Z	56 \| moderate	12.476 \| fine	56.046 \| fine	19.357 \| good	1.128 \| good	16.432 \| good	0.141 \| good
2026-07-24T09:00:00.000Z	54 \| moderate	10.55 \| good	46.8 \| good	20.998 \| good	1.086 \| good	16.621 \| good	0.142 \| good
2026-07-24T10:00:00.000Z	54 \| moderate	10.915 \| good	48.377 \| good	19.14 \| good	1.063 \| good	17.356 \| good	0.144 \| good
2026-07-24T11:00:00.000Z	54 \| moderate	10.932 \| good	48.574 \| good	18.299 \| good	1.058 \| good	18.319 \| good	0.148 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	11.233 \| good	49.64 \| good	18.47 \| good	1.049 \| good	18.898 \| good	0.151 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	13.088 \| fine	58.483 \| fine	15.341 \| good	1.053 \| good	18.746 \| good	0.155 \| good
2026-07-24T14:00:00.000Z	62 \| moderate	15.063 \| fine	67.118 \| fine	16.285 \| good	1.052 \| good	16.056 \| good	0.162 \| good
2026-07-24T15:00:00.000Z	66 \| moderate	16.847 \| fine	75.172 \| fine	20.741 \| good	1.115 \| good	11.054 \| good	0.14 \| good
2026-07-24T16:00:00.000Z	67 \| moderate	17.896 \| fine	79.321 \| fine	28.21 \| good	1.168 \| good	9.203 \| good	0.135 \| good
2026-07-24T17:00:00.000Z	69 \| moderate	18.95 \| fine	83.576 \| fine	37.68 \| good	1.289 \| good	8.354 \| good	0.134 \| good
2026-07-24T18:00:00.000Z	69 \| moderate	18.885 \| fine	83.876 \| fine	46.378 \| good	1.399 \| good	7.753 \| good	0.133 \| good
2026-07-24T19:00:00.000Z	66 \| moderate	16.716 \| fine	74.444 \| fine	47.952 \| good	1.47 \| good	6.947 \| good	0.132 \| good
2026-07-24T20:00:00.000Z	60 \| moderate	14.173 \| fine	63.885 \| fine	48.888 \| good	1.503 \| good	6.008 \| good	0.129 \| good
2026-07-24T21:00:00.000Z	56 \| moderate	12.244 \| fine	55.2 \| fine	50.997 \| good	1.517 \| good	5.246 \| good	0.126 \| good
2026-07-24T22:00:00.000Z	56 \| moderate	11.957 \| good	53.424 \| good	47.847 \| good	1.521 \| good	4.677 \| good	0.123 \| good
2026-07-24T23:00:00.000Z	56 \| moderate	11.896 \| good	53.564 \| good	43.346 \| good	1.503 \| good	4.35 \| good	0.121 \| good
2026-07-25T00:00:00.000Z	56 \| moderate	11.728 \| good	52.558 \| good	38.025 \| good	1.485 \| good	4.458 \| good	0.119 \| good
2026-07-25T01:00:00.000Z	54 \| moderate	10.828 \| good	47.97 \| good	31.998 \| good	1.439 \| good	4.964 \| good	0.118 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	11.054 \| good	48.984 \| good	23.979 \| good	1.382 \| good	6.319 \| good	0.117 \| good
2026-07-25T03:00:00.000Z	52 \| moderate	9.916 \| good	43.993 \| good	26.215 \| good	1.34 \| good	8.454 \| good	0.118 \| good
2026-07-25T04:00:00.000Z	52 \| moderate	10.499 \| good	46.384 \| good	25.593 \| good	1.306 \| good	10.072 \| good	0.119 \| good
2026-07-25T05:00:00.000Z	52 \| moderate	9.506 \| good	42.374 \| good	24.728 \| good	1.281 \| good	11.261 \| good	0.121 \| good
2026-07-25T06:00:00.000Z	52 \| moderate	9.568 \| good	42.555 \| good	22.524 \| good	1.258 \| good	12.997 \| good	0.124 \| good
2026-07-25T07:00:00.000Z	52 \| moderate	10.373 \| good	45.676 \| good	21.003 \| good	1.222 \| good	14.666 \| good	0.128 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	10.754 \| good	47.377 \| good	18.841 \| good	1.178 \| good	15.677 \| good	0.134 \| good
2026-07-25T09:00:00.000Z	44 \| good	8.317 \| good	36.83 \| good	19.043 \| good	1.166 \| good	17.254 \| good	0.139 \| good
2026-07-25T10:00:00.000Z	49 \| good	8.818 \| good	38.722 \| good	19.451 \| good	1.163 \| good	18.544 \| good	0.145 \| good
2026-07-25T11:00:00.000Z	49 \| good	8.547 \| good	37.625 \| good	19.577 \| good	1.144 \| good	19.802 \| good	0.15 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	10.301 \| good	45.404 \| good	21.263 \| good	1.124 \| good	22.066 \| good	0.159 \| good
2026-07-25T13:00:00.000Z	54 \| moderate	11.007 \| good	48.911 \| good	17.456 \| good	1.123 \| good	22.884 \| good	0.169 \| good
2026-07-25T14:00:00.000Z	60 \| moderate	13.573 \| fine	60.695 \| fine	16.188 \| good	1.159 \| good	19.598 \| good	0.18 \| good
2026-07-25T15:00:00.000Z	64 \| moderate	16.06 \| fine	71.571 \| fine	18.533 \| good	1.271 \| good	13.171 \| good	0.146 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.144 \| fine	75.907 \| fine	25.409 \| good	1.392 \| good	10.446 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	67 \| moderate	18.21 \| fine	80.257 \| fine	37.006 \| good	1.543 \| good	9.258 \| good	0.134 \| good
2026-07-25T18:00:00.000Z	73 \| moderate	20.557 \| fine	90.344 \| fine	49.455 \| good	1.636 \| good	8.354 \| good	0.132 \| good
2026-07-25T19:00:00.000Z	69 \| moderate	18.733 \| fine	82.541 \| fine	55.728 \| fine	1.681 \| good	7.352 \| good	0.129 \| good
2026-07-25T20:00:00.000Z	67 \| moderate	17.419 \| fine	77.304 \| fine	60.06 \| fine	1.715 \| good	6.349 \| good	0.127 \| good
2026-07-25T21:00:00.000Z	77 \| moderate	15.25 \| fine	68.544 \| fine	62.953 \| fine	1.761 \| good	5.481 \| good	0.125 \| good
2026-07-25T22:00:00.000Z	74 \| moderate	12.978 \| fine	58.798 \| fine	62.36 \| fine	1.798 \| good	4.722 \| good	0.123 \| 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

Bellflower, California

Artesia, California

Santa Fe Springs, California

Cerritos, California

Downey, California

South Whittier, California

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?