What are the current PM10 levels at Norwalk, California?

The current PM10 levels in Norwalk, California are 47.076 μg/m3.

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

The current sulfur dioxide (SO2) levels in Norwalk, California are 0.716 ppb.

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

The current ozone (O3) levels at Norwalk, California is 4.347 ppm.

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

The current nitrogen dioxide (NO2) levels at Norwalk, California is 10.165 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 18.434 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)

18.43 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.08 μg/m³

155

255

425

605+

Ozone (O₃)

4.35 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.16 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.39 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
2026-09-05T12:00:00.000Z	49 \| good	8.904 \| good	33.723 \| good	16.131 \| good	0.396 \| good	14.991 \| good	0.356 \| good
2026-09-05T13:00:00.000Z	44 \| good	7.663 \| good	22.607 \| good	15.639 \| good	0.379 \| good	14.934 \| good	0.356 \| good
2026-09-05T14:00:00.000Z	33 \| good	5.896 \| good	17.448 \| good	18.423 \| good	0.372 \| good	16.524 \| good	0.479 \| good
2026-09-05T15:00:00.000Z	44 \| good	8.047 \| good	31.025 \| good	19.555 \| good	0.579 \| good	16.839 \| good	0.475 \| good
2026-09-05T16:00:00.000Z	56 \| moderate	12.373 \| fine	39.378 \| good	22.404 \| good	0.558 \| good	12.251 \| good	0.419 \| good
2026-09-05T17:00:00.000Z	49 \| good	8.802 \| good	27.811 \| good	29.464 \| good	0.536 \| good	9.82 \| good	0.364 \| good
2026-09-05T18:00:00.000Z	49 \| good	9.236 \| good	36.804 \| good	33.973 \| good	0.566 \| good	8.505 \| good	0.38 \| good
2026-09-05T19:00:00.000Z	44 \| good	8.392 \| good	30.265 \| good	40.495 \| good	0.612 \| good	7.413 \| good	0.312 \| good
2026-09-05T20:00:00.000Z	41 \| good	6.79 \| good	29.775 \| good	44.124 \| good	0.571 \| good	6.316 \| good	0.283 \| good
2026-09-05T21:00:00.000Z	45 \| good	5.162 \| good	25.435 \| good	48.728 \| good	0.472 \| good	5.659 \| good	0.305 \| good
2026-09-05T22:00:00.000Z	45 \| good	5.244 \| good	33.023 \| good	49.329 \| good	0.422 \| good	5.149 \| good	0.283 \| good
2026-09-05T23:00:00.000Z	45 \| good	5.389 \| good	27.648 \| good	48.703 \| good	0.596 \| good	4.261 \| good	0.305 \| good
2026-09-06T00:00:00.000Z	46 \| good	8.199 \| good	18.575 \| good	49.722 \| good	0.732 \| good	5.493 \| good	0.29 \| good
2026-09-06T01:00:00.000Z	44 \| good	8.013 \| good	26.241 \| good	44.63 \| good	0.823 \| good	5.516 \| good	0.312 \| good
2026-09-06T02:00:00.000Z	51 \| moderate	5.797 \| good	25.94 \| good	54.889 \| good	0.676 \| good	5.176 \| good	0.335 \| good
2026-09-06T03:00:00.000Z	38 \| good	7.046 \| good	30.885 \| good	27.653 \| good	1.487 \| good	8.888 \| good	0.148 \| good
2026-09-06T04:00:00.000Z	49 \| good	8.768 \| good	31.315 \| good	38.749 \| good	0.538 \| good	6.475 \| good	0.395 \| good
2026-09-06T05:00:00.000Z	38 \| good	7.319 \| good	22.854 \| good	32.533 \| good	0.766 \| good	9.359 \| good	0.45 \| good
2026-09-06T06:00:00.000Z	44 \| good	7.72 \| good	22.883 \| good	28.609 \| good	0.556 \| good	13.898 \| good	0.472 \| good
2026-09-06T07:00:00.000Z	33 \| good	6.352 \| good	24.358 \| good	28.266 \| good	0.542 \| good	15.291 \| good	0.475 \| good
2026-09-06T08:00:00.000Z	38 \| good	6.991 \| good	26.376 \| good	24.924 \| good	0.567 \| good	20.071 \| good	0.505 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.16 \| good	22.904 \| good	20.337 \| good	0.717 \| good	19.506 \| good	0.416 \| good
2026-09-06T10:00:00.000Z	44 \| good	7.555 \| good	19.158 \| good	21.932 \| good	0.716 \| good	19.85 \| good	0.416 \| good
2026-09-06T11:00:00.000Z	33 \| good	5.986 \| good	24.557 \| good	18.691 \| good	0.718 \| good	19.972 \| good	0.416 \| good
2026-09-06T12:00:00.000Z	52 \| moderate	9.76 \| good	48.554 \| good	10.646 \| good	0.575 \| good	17.853 \| good	0.409 \| good
2026-09-06T13:00:00.000Z	52 \| moderate	9.878 \| good	26.157 \| good	14.275 \| good	0.576 \| good	18.296 \| good	0.409 \| good
2026-09-06T14:00:00.000Z	44 \| good	8.151 \| good	20.954 \| good	15.726 \| good	0.431 \| good	12.025 \| good	0.435 \| good
2026-09-06T15:00:00.000Z	44 \| good	8.404 \| good	27.165 \| good	16.145 \| good	0.459 \| good	11.829 \| good	0.384 \| good
2026-09-06T16:00:00.000Z	52 \| moderate	9.805 \| good	37.245 \| good	20.01 \| good	0.369 \| good	14.432 \| good	0.364 \| good
2026-09-06T17:00:00.000Z	38 \| good	7.079 \| good	24.526 \| good	18.453 \| good	0.446 \| good	14.703 \| good	0.409 \| good
2026-09-06T18:00:00.000Z	52 \| moderate	10.325 \| good	30.824 \| good	19.71 \| good	0.375 \| good	15.228 \| good	0.407 \| good
2026-09-06T19:00:00.000Z	52 \| moderate	9.85 \| good	25.876 \| good	20.168 \| good	0.374 \| good	11.702 \| good	0.317 \| good
2026-09-06T20:00:00.000Z	44 \| good	8.005 \| good	17.658 \| good	18.829 \| good	0.335 \| good	7.711 \| good	0.32 \| good
2026-09-06T21:00:00.000Z	38 \| good	7.306 \| good	20.099 \| good	18.21 \| good	0.4 \| good	9.582 \| good	0.245 \| good
2026-09-06T22:00:00.000Z	44 \| good	7.577 \| good	33.999 \| good	19.002 \| good	0.372 \| good	8.642 \| good	0.245 \| good
2026-09-06T23:00:00.000Z	44 \| good	8.072 \| good	38.462 \| good	18.611 \| good	0.4 \| good	8.776 \| good	0.313 \| good
2026-09-07T00:00:00.000Z	49 \| good	8.621 \| good	32.31 \| good	15.433 \| good	0.394 \| good	11.613 \| good	0.31 \| good
2026-09-07T01:00:00.000Z	44 \| good	8.156 \| good	37.761 \| good	14.621 \| good	0.394 \| good	10.37 \| good	0.339 \| good
2026-09-07T02:00:00.000Z	44 \| good	8.078 \| good	32.368 \| good	15.095 \| good	0.326 \| good	8.313 \| good	0.316 \| good
2026-09-07T03:00:00.000Z	56 \| moderate	12.357 \| fine	55.514 \| fine	14.683 \| good	0.938 \| good	23.947 \| good	0.225 \| good
2026-09-07T04:00:00.000Z	44 \| good	8.243 \| good	37.156 \| good	7.818 \| good	0.387 \| good	14.344 \| good	0.462 \| good
2026-09-07T05:00:00.000Z	49 \| good	9.185 \| good	23.893 \| good	6.473 \| good	0.597 \| good	15.6 \| good	0.558 \| good
2026-09-07T06:00:00.000Z	52 \| moderate	9.648 \| good	39.209 \| good	4.787 \| good	0.457 \| good	13.577 \| good	0.568 \| good
2026-09-07T07:00:00.000Z	54 \| moderate	10.867 \| good	33.09 \| good	8.313 \| good	0.461 \| good	12.973 \| good	0.562 \| good
2026-09-07T08:00:00.000Z	56 \| moderate	11.741 \| good	47.294 \| good	8.109 \| good	0.539 \| good	11.93 \| good	0.472 \| good
2026-09-07T09:00:00.000Z	54 \| moderate	11.063 \| good	57.41 \| fine	5.957 \| good	0.592 \| good	10.649 \| good	0.421 \| good
2026-09-07T10:00:00.000Z	74 \| moderate	17.65 \| fine	101.546 \| fine	6.827 \| good	0.575 \| good	9.746 \| good	0.369 \| good
2026-09-07T11:00:00.000Z	67 \| moderate	18.434 \| fine	47.076 \| good	4.347 \| good	0.716 \| good	10.165 \| good	0.391 \| good
2026-09-07T11:00:00.000Z	67 \| moderate	18.434 \| fine	47.076 \| good	4.347 \| good	0.716 \| good	10.165 \| good	0.391 \| good
2026-09-07T12:00:00.000Z	58 \| moderate	13.032 \| fine	58.412 \| fine	2.858 \| good	0.578 \| good	19.187 \| good	0.25 \| good
2026-09-07T13:00:00.000Z	62 \| moderate	14.929 \| fine	66.601 \| fine	1.966 \| good	0.574 \| good	18.823 \| good	0.244 \| good
2026-09-07T14:00:00.000Z	69 \| moderate	19.069 \| fine	84.151 \| fine	4.518 \| good	0.623 \| good	17.16 \| good	0.246 \| good
2026-09-07T15:00:00.000Z	69 \| moderate	18.691 \| fine	82.534 \| fine	10.436 \| good	0.753 \| good	15.77 \| good	0.252 \| good
2026-09-07T16:00:00.000Z	66 \| moderate	17.389 \| fine	76.827 \| fine	19.853 \| good	0.904 \| good	14.53 \| good	0.226 \| good
2026-09-07T17:00:00.000Z	67 \| moderate	17.803 \| fine	78.793 \| fine	30.788 \| good	0.943 \| good	11.271 \| good	0.171 \| good
2026-09-07T18:00:00.000Z	60 \| moderate	13.819 \| fine	61.884 \| fine	43.649 \| good	1.065 \| good	9.061 \| good	0.153 \| good
2026-09-07T19:00:00.000Z	56 \| moderate	11.653 \| good	51.732 \| good	55.101 \| fine	1.159 \| good	8.092 \| good	0.149 \| good
2026-09-07T20:00:00.000Z	74 \| moderate	8.364 \| good	36.66 \| good	62.264 \| fine	1.275 \| good	7.177 \| good	0.147 \| good
2026-09-07T21:00:00.000Z	61 \| moderate	8.387 \| good	36.711 \| good	57.854 \| fine	1.401 \| good	6.19 \| good	0.145 \| good
2026-09-07T22:00:00.000Z	43 \| good	5.549 \| good	24.376 \| good	45.769 \| good	1.47 \| good	5.419 \| good	0.14 \| good
2026-09-07T23:00:00.000Z	34 \| good	4.892 \| good	21.148 \| good	36.761 \| good	1.628 \| good	5.142 \| good	0.14 \| good
2026-09-08T00:00:00.000Z	27 \| good	3.235 \| good	13.6 \| good	28.618 \| good	1.654 \| good	5.621 \| good	0.141 \| good
2026-09-08T01:00:00.000Z	20 \| good	2.775 \| good	11.222 \| good	22.09 \| good	1.658 \| good	7.871 \| good	0.147 \| good
2026-09-08T02:00:00.000Z	17 \| good	2.745 \| good	11.521 \| good	18.023 \| good	1.667 \| good	12.976 \| good	0.162 \| good
2026-09-08T03:00:00.000Z	27 \| good	4.758 \| good	20.712 \| good	21.837 \| good	1.701 \| good	22.083 \| good	0.19 \| good
2026-09-08T04:00:00.000Z	27 \| good	5.343 \| good	23.153 \| good	20.651 \| good	1.748 \| good	28.643 \| good	0.212 \| good
2026-09-08T05:00:00.000Z	29 \| good	5.017 \| good	21.592 \| good	18.227 \| good	1.791 \| good	30.587 \| good	0.226 \| good
2026-09-08T06:00:00.000Z	33 \| good	5.844 \| good	25.115 \| good	13.63 \| good	1.838 \| good	31.387 \| good	0.249 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.641 \| good	29.065 \| good	10.935 \| good	1.788 \| good	30.889 \| good	0.272 \| good
2026-09-08T08:00:00.000Z	49 \| good	8.521 \| good	37.435 \| good	6.926 \| good	1.61 \| good	29.208 \| good	0.279 \| good
2026-09-08T09:00:00.000Z	49 \| good	8.998 \| good	39.567 \| good	4.758 \| good	1.424 \| good	26.956 \| good	0.273 \| good
2026-09-08T10:00:00.000Z	49 \| good	8.901 \| good	39.297 \| good	3.037 \| good	1.252 \| good	24.758 \| good	0.269 \| good
2026-09-08T11:00:00.000Z	49 \| good	9.45 \| good	41.961 \| good	2.274 \| good	1.102 \| good	22.784 \| good	0.267 \| good
2026-09-08T12:00:00.000Z	49 \| good	9.149 \| good	40.546 \| good	2.533 \| good	0.984 \| good	21.144 \| good	0.264 \| good
2026-09-08T13:00:00.000Z	49 \| good	9.442 \| good	41.898 \| good	1.551 \| good	0.904 \| good	20.021 \| good	0.262 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	13.749 \| fine	61.571 \| fine	2.357 \| good	0.889 \| good	18.118 \| good	0.269 \| good
2026-09-08T15:00:00.000Z	64 \| moderate	16.34 \| fine	72.612 \| fine	8.089 \| good	0.953 \| good	16.4 \| good	0.283 \| good
2026-09-08T16:00:00.000Z	67 \| moderate	17.857 \| fine	78.874 \| fine	19.482 \| good	0.978 \| good	14.446 \| good	0.242 \| good
2026-09-08T17:00:00.000Z	60 \| moderate	13.767 \| fine	61.878 \| fine	31.71 \| good	1.035 \| good	13.145 \| good	0.193 \| good
2026-09-08T18:00:00.000Z	54 \| moderate	10.71 \| good	47.47 \| good	44.142 \| good	1.164 \| good	12.111 \| good	0.181 \| good
2026-09-08T19:00:00.000Z	49 \| good	8.535 \| good	37.394 \| good	52.91 \| good	1.314 \| good	11.014 \| good	0.174 \| good
2026-09-08T20:00:00.000Z	67 \| moderate	8.791 \| good	38.781 \| good	60.28 \| fine	1.461 \| good	10.171 \| good	0.171 \| good
2026-09-08T21:00:00.000Z	61 \| moderate	6.628 \| good	29.242 \| good	58.41 \| fine	1.511 \| good	8.676 \| good	0.163 \| good
2026-09-08T22:00:00.000Z	47 \| good	5.677 \| good	24.393 \| good	51.229 \| good	1.501 \| good	7.398 \| good	0.157 \| good
2026-09-08T23:00:00.000Z	40 \| good	4.793 \| good	20.725 \| good	43.315 \| good	1.426 \| good	6.501 \| good	0.151 \| good
2026-09-09T00:00:00.000Z	34 \| good	4.528 \| good	19.677 \| good	36.9 \| good	1.287 \| good	6.503 \| good	0.148 \| good
2026-09-09T01:00:00.000Z	31 \| good	3.405 \| good	14.235 \| good	34.379 \| good	1.137 \| good	8.271 \| good	0.153 \| good
2026-09-09T02:00:00.000Z	20 \| good	3.042 \| good	12.696 \| good	22.12 \| good	1.058 \| good	13.842 \| good	0.171 \| good
2026-09-09T03:00:00.000Z	23 \| good	3.529 \| good	15.441 \| good	24.905 \| good	1.071 \| good	20.932 \| good	0.193 \| good
2026-09-09T04:00:00.000Z	27 \| good	4.53 \| good	19.994 \| good	22.171 \| good	1.198 \| good	28.454 \| good	0.217 \| good
2026-09-09T05:00:00.000Z	30 \| good	4.759 \| good	20.915 \| good	19.693 \| good	1.349 \| good	31.691 \| good	0.25 \| good
2026-09-09T06:00:00.000Z	31 \| good	5.155 \| good	22.181 \| good	14.696 \| good	1.4 \| good	33.02 \| good	0.273 \| good
2026-09-09T07:00:00.000Z	38 \| good	6.854 \| good	30.202 \| good	10.453 \| good	1.369 \| good	33.034 \| good	0.289 \| good
2026-09-09T08:00:00.000Z	52 \| moderate	9.992 \| good	44.62 \| good	6.348 \| good	1.3 \| good	31.969 \| good	0.294 \| good
2026-09-09T09:00:00.000Z	49 \| good	9.495 \| good	42.334 \| good	4.158 \| good	1.243 \| good	31.119 \| good	0.291 \| good
2026-09-09T10:00:00.000Z	49 \| good	9.019 \| good	39.934 \| good	5.719 \| good	1.157 \| good	30.754 \| good	0.286 \| good
2026-09-09T11:00:00.000Z	49 \| good	8.826 \| good	39.007 \| good	9.365 \| good	1.052 \| good	30.02 \| good	0.283 \| good

Norwalk

Empower business decisions with accurate air quality data

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

0.37ppm

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 10:00:00 on 2026-09-07.

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

The best air quality in Norwalk, California was recorded at 11:00:00 on 2026-09-06.

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 18.434 μg/m³.

What are the current PM₁₀ levels at Norwalk, California?

The current PM₁₀ levels in Norwalk, California are 47.076 μg/m³.

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

The current carbon monoxide (CO) level in Norwalk, California is 0.391 ppm.

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

The current sulfur dioxide (SO₂) levels in Norwalk, California are 0.716 ppb.

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

The current ozone (O₃) levels at Norwalk, California is 4.347 ppm.

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

The current nitrogen dioxide (NO₂) levels at Norwalk, California is 10.165 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	49 \| good	8.904 \| good	33.723 \| good	16.131 \| good	0.396 \| good	14.991 \| good	0.356 \| good
2026-09-05T13:00:00.000Z	44 \| good	7.663 \| good	22.607 \| good	15.639 \| good	0.379 \| good	14.934 \| good	0.356 \| good
2026-09-05T14:00:00.000Z	33 \| good	5.896 \| good	17.448 \| good	18.423 \| good	0.372 \| good	16.524 \| good	0.479 \| good
2026-09-05T15:00:00.000Z	44 \| good	8.047 \| good	31.025 \| good	19.555 \| good	0.579 \| good	16.839 \| good	0.475 \| good
2026-09-05T16:00:00.000Z	56 \| moderate	12.373 \| fine	39.378 \| good	22.404 \| good	0.558 \| good	12.251 \| good	0.419 \| good
2026-09-05T17:00:00.000Z	49 \| good	8.802 \| good	27.811 \| good	29.464 \| good	0.536 \| good	9.82 \| good	0.364 \| good
2026-09-05T18:00:00.000Z	49 \| good	9.236 \| good	36.804 \| good	33.973 \| good	0.566 \| good	8.505 \| good	0.38 \| good
2026-09-05T19:00:00.000Z	44 \| good	8.392 \| good	30.265 \| good	40.495 \| good	0.612 \| good	7.413 \| good	0.312 \| good
2026-09-05T20:00:00.000Z	41 \| good	6.79 \| good	29.775 \| good	44.124 \| good	0.571 \| good	6.316 \| good	0.283 \| good
2026-09-05T21:00:00.000Z	45 \| good	5.162 \| good	25.435 \| good	48.728 \| good	0.472 \| good	5.659 \| good	0.305 \| good
2026-09-05T22:00:00.000Z	45 \| good	5.244 \| good	33.023 \| good	49.329 \| good	0.422 \| good	5.149 \| good	0.283 \| good
2026-09-05T23:00:00.000Z	45 \| good	5.389 \| good	27.648 \| good	48.703 \| good	0.596 \| good	4.261 \| good	0.305 \| good
2026-09-06T00:00:00.000Z	46 \| good	8.199 \| good	18.575 \| good	49.722 \| good	0.732 \| good	5.493 \| good	0.29 \| good
2026-09-06T01:00:00.000Z	44 \| good	8.013 \| good	26.241 \| good	44.63 \| good	0.823 \| good	5.516 \| good	0.312 \| good
2026-09-06T02:00:00.000Z	51 \| moderate	5.797 \| good	25.94 \| good	54.889 \| good	0.676 \| good	5.176 \| good	0.335 \| good
2026-09-06T03:00:00.000Z	38 \| good	7.046 \| good	30.885 \| good	27.653 \| good	1.487 \| good	8.888 \| good	0.148 \| good
2026-09-06T04:00:00.000Z	49 \| good	8.768 \| good	31.315 \| good	38.749 \| good	0.538 \| good	6.475 \| good	0.395 \| good
2026-09-06T05:00:00.000Z	38 \| good	7.319 \| good	22.854 \| good	32.533 \| good	0.766 \| good	9.359 \| good	0.45 \| good
2026-09-06T06:00:00.000Z	44 \| good	7.72 \| good	22.883 \| good	28.609 \| good	0.556 \| good	13.898 \| good	0.472 \| good
2026-09-06T07:00:00.000Z	33 \| good	6.352 \| good	24.358 \| good	28.266 \| good	0.542 \| good	15.291 \| good	0.475 \| good
2026-09-06T08:00:00.000Z	38 \| good	6.991 \| good	26.376 \| good	24.924 \| good	0.567 \| good	20.071 \| good	0.505 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.16 \| good	22.904 \| good	20.337 \| good	0.717 \| good	19.506 \| good	0.416 \| good
2026-09-06T10:00:00.000Z	44 \| good	7.555 \| good	19.158 \| good	21.932 \| good	0.716 \| good	19.85 \| good	0.416 \| good
2026-09-06T11:00:00.000Z	33 \| good	5.986 \| good	24.557 \| good	18.691 \| good	0.718 \| good	19.972 \| good	0.416 \| good
2026-09-06T12:00:00.000Z	52 \| moderate	9.76 \| good	48.554 \| good	10.646 \| good	0.575 \| good	17.853 \| good	0.409 \| good
2026-09-06T13:00:00.000Z	52 \| moderate	9.878 \| good	26.157 \| good	14.275 \| good	0.576 \| good	18.296 \| good	0.409 \| good
2026-09-06T14:00:00.000Z	44 \| good	8.151 \| good	20.954 \| good	15.726 \| good	0.431 \| good	12.025 \| good	0.435 \| good
2026-09-06T15:00:00.000Z	44 \| good	8.404 \| good	27.165 \| good	16.145 \| good	0.459 \| good	11.829 \| good	0.384 \| good
2026-09-06T16:00:00.000Z	52 \| moderate	9.805 \| good	37.245 \| good	20.01 \| good	0.369 \| good	14.432 \| good	0.364 \| good
2026-09-06T17:00:00.000Z	38 \| good	7.079 \| good	24.526 \| good	18.453 \| good	0.446 \| good	14.703 \| good	0.409 \| good
2026-09-06T18:00:00.000Z	52 \| moderate	10.325 \| good	30.824 \| good	19.71 \| good	0.375 \| good	15.228 \| good	0.407 \| good
2026-09-06T19:00:00.000Z	52 \| moderate	9.85 \| good	25.876 \| good	20.168 \| good	0.374 \| good	11.702 \| good	0.317 \| good
2026-09-06T20:00:00.000Z	44 \| good	8.005 \| good	17.658 \| good	18.829 \| good	0.335 \| good	7.711 \| good	0.32 \| good
2026-09-06T21:00:00.000Z	38 \| good	7.306 \| good	20.099 \| good	18.21 \| good	0.4 \| good	9.582 \| good	0.245 \| good
2026-09-06T22:00:00.000Z	44 \| good	7.577 \| good	33.999 \| good	19.002 \| good	0.372 \| good	8.642 \| good	0.245 \| good
2026-09-06T23:00:00.000Z	44 \| good	8.072 \| good	38.462 \| good	18.611 \| good	0.4 \| good	8.776 \| good	0.313 \| good
2026-09-07T00:00:00.000Z	49 \| good	8.621 \| good	32.31 \| good	15.433 \| good	0.394 \| good	11.613 \| good	0.31 \| good
2026-09-07T01:00:00.000Z	44 \| good	8.156 \| good	37.761 \| good	14.621 \| good	0.394 \| good	10.37 \| good	0.339 \| good
2026-09-07T02:00:00.000Z	44 \| good	8.078 \| good	32.368 \| good	15.095 \| good	0.326 \| good	8.313 \| good	0.316 \| good
2026-09-07T03:00:00.000Z	56 \| moderate	12.357 \| fine	55.514 \| fine	14.683 \| good	0.938 \| good	23.947 \| good	0.225 \| good
2026-09-07T04:00:00.000Z	44 \| good	8.243 \| good	37.156 \| good	7.818 \| good	0.387 \| good	14.344 \| good	0.462 \| good
2026-09-07T05:00:00.000Z	49 \| good	9.185 \| good	23.893 \| good	6.473 \| good	0.597 \| good	15.6 \| good	0.558 \| good
2026-09-07T06:00:00.000Z	52 \| moderate	9.648 \| good	39.209 \| good	4.787 \| good	0.457 \| good	13.577 \| good	0.568 \| good
2026-09-07T07:00:00.000Z	54 \| moderate	10.867 \| good	33.09 \| good	8.313 \| good	0.461 \| good	12.973 \| good	0.562 \| good
2026-09-07T08:00:00.000Z	56 \| moderate	11.741 \| good	47.294 \| good	8.109 \| good	0.539 \| good	11.93 \| good	0.472 \| good
2026-09-07T09:00:00.000Z	54 \| moderate	11.063 \| good	57.41 \| fine	5.957 \| good	0.592 \| good	10.649 \| good	0.421 \| good
2026-09-07T10:00:00.000Z	74 \| moderate	17.65 \| fine	101.546 \| fine	6.827 \| good	0.575 \| good	9.746 \| good	0.369 \| good
2026-09-07T11:00:00.000Z	67 \| moderate	18.434 \| fine	47.076 \| good	4.347 \| good	0.716 \| good	10.165 \| good	0.391 \| good
2026-09-07T11:00:00.000Z	67 \| moderate	18.434 \| fine	47.076 \| good	4.347 \| good	0.716 \| good	10.165 \| good	0.391 \| good
2026-09-07T12:00:00.000Z	58 \| moderate	13.032 \| fine	58.412 \| fine	2.858 \| good	0.578 \| good	19.187 \| good	0.25 \| good
2026-09-07T13:00:00.000Z	62 \| moderate	14.929 \| fine	66.601 \| fine	1.966 \| good	0.574 \| good	18.823 \| good	0.244 \| good
2026-09-07T14:00:00.000Z	69 \| moderate	19.069 \| fine	84.151 \| fine	4.518 \| good	0.623 \| good	17.16 \| good	0.246 \| good
2026-09-07T15:00:00.000Z	69 \| moderate	18.691 \| fine	82.534 \| fine	10.436 \| good	0.753 \| good	15.77 \| good	0.252 \| good
2026-09-07T16:00:00.000Z	66 \| moderate	17.389 \| fine	76.827 \| fine	19.853 \| good	0.904 \| good	14.53 \| good	0.226 \| good
2026-09-07T17:00:00.000Z	67 \| moderate	17.803 \| fine	78.793 \| fine	30.788 \| good	0.943 \| good	11.271 \| good	0.171 \| good
2026-09-07T18:00:00.000Z	60 \| moderate	13.819 \| fine	61.884 \| fine	43.649 \| good	1.065 \| good	9.061 \| good	0.153 \| good
2026-09-07T19:00:00.000Z	56 \| moderate	11.653 \| good	51.732 \| good	55.101 \| fine	1.159 \| good	8.092 \| good	0.149 \| good
2026-09-07T20:00:00.000Z	74 \| moderate	8.364 \| good	36.66 \| good	62.264 \| fine	1.275 \| good	7.177 \| good	0.147 \| good
2026-09-07T21:00:00.000Z	61 \| moderate	8.387 \| good	36.711 \| good	57.854 \| fine	1.401 \| good	6.19 \| good	0.145 \| good
2026-09-07T22:00:00.000Z	43 \| good	5.549 \| good	24.376 \| good	45.769 \| good	1.47 \| good	5.419 \| good	0.14 \| good
2026-09-07T23:00:00.000Z	34 \| good	4.892 \| good	21.148 \| good	36.761 \| good	1.628 \| good	5.142 \| good	0.14 \| good
2026-09-08T00:00:00.000Z	27 \| good	3.235 \| good	13.6 \| good	28.618 \| good	1.654 \| good	5.621 \| good	0.141 \| good
2026-09-08T01:00:00.000Z	20 \| good	2.775 \| good	11.222 \| good	22.09 \| good	1.658 \| good	7.871 \| good	0.147 \| good
2026-09-08T02:00:00.000Z	17 \| good	2.745 \| good	11.521 \| good	18.023 \| good	1.667 \| good	12.976 \| good	0.162 \| good
2026-09-08T03:00:00.000Z	27 \| good	4.758 \| good	20.712 \| good	21.837 \| good	1.701 \| good	22.083 \| good	0.19 \| good
2026-09-08T04:00:00.000Z	27 \| good	5.343 \| good	23.153 \| good	20.651 \| good	1.748 \| good	28.643 \| good	0.212 \| good
2026-09-08T05:00:00.000Z	29 \| good	5.017 \| good	21.592 \| good	18.227 \| good	1.791 \| good	30.587 \| good	0.226 \| good
2026-09-08T06:00:00.000Z	33 \| good	5.844 \| good	25.115 \| good	13.63 \| good	1.838 \| good	31.387 \| good	0.249 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.641 \| good	29.065 \| good	10.935 \| good	1.788 \| good	30.889 \| good	0.272 \| good
2026-09-08T08:00:00.000Z	49 \| good	8.521 \| good	37.435 \| good	6.926 \| good	1.61 \| good	29.208 \| good	0.279 \| good
2026-09-08T09:00:00.000Z	49 \| good	8.998 \| good	39.567 \| good	4.758 \| good	1.424 \| good	26.956 \| good	0.273 \| good
2026-09-08T10:00:00.000Z	49 \| good	8.901 \| good	39.297 \| good	3.037 \| good	1.252 \| good	24.758 \| good	0.269 \| good
2026-09-08T11:00:00.000Z	49 \| good	9.45 \| good	41.961 \| good	2.274 \| good	1.102 \| good	22.784 \| good	0.267 \| good
2026-09-08T12:00:00.000Z	49 \| good	9.149 \| good	40.546 \| good	2.533 \| good	0.984 \| good	21.144 \| good	0.264 \| good
2026-09-08T13:00:00.000Z	49 \| good	9.442 \| good	41.898 \| good	1.551 \| good	0.904 \| good	20.021 \| good	0.262 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	13.749 \| fine	61.571 \| fine	2.357 \| good	0.889 \| good	18.118 \| good	0.269 \| good
2026-09-08T15:00:00.000Z	64 \| moderate	16.34 \| fine	72.612 \| fine	8.089 \| good	0.953 \| good	16.4 \| good	0.283 \| good
2026-09-08T16:00:00.000Z	67 \| moderate	17.857 \| fine	78.874 \| fine	19.482 \| good	0.978 \| good	14.446 \| good	0.242 \| good
2026-09-08T17:00:00.000Z	60 \| moderate	13.767 \| fine	61.878 \| fine	31.71 \| good	1.035 \| good	13.145 \| good	0.193 \| good
2026-09-08T18:00:00.000Z	54 \| moderate	10.71 \| good	47.47 \| good	44.142 \| good	1.164 \| good	12.111 \| good	0.181 \| good
2026-09-08T19:00:00.000Z	49 \| good	8.535 \| good	37.394 \| good	52.91 \| good	1.314 \| good	11.014 \| good	0.174 \| good
2026-09-08T20:00:00.000Z	67 \| moderate	8.791 \| good	38.781 \| good	60.28 \| fine	1.461 \| good	10.171 \| good	0.171 \| good
2026-09-08T21:00:00.000Z	61 \| moderate	6.628 \| good	29.242 \| good	58.41 \| fine	1.511 \| good	8.676 \| good	0.163 \| good
2026-09-08T22:00:00.000Z	47 \| good	5.677 \| good	24.393 \| good	51.229 \| good	1.501 \| good	7.398 \| good	0.157 \| good
2026-09-08T23:00:00.000Z	40 \| good	4.793 \| good	20.725 \| good	43.315 \| good	1.426 \| good	6.501 \| good	0.151 \| good
2026-09-09T00:00:00.000Z	34 \| good	4.528 \| good	19.677 \| good	36.9 \| good	1.287 \| good	6.503 \| good	0.148 \| good
2026-09-09T01:00:00.000Z	31 \| good	3.405 \| good	14.235 \| good	34.379 \| good	1.137 \| good	8.271 \| good	0.153 \| good
2026-09-09T02:00:00.000Z	20 \| good	3.042 \| good	12.696 \| good	22.12 \| good	1.058 \| good	13.842 \| good	0.171 \| good
2026-09-09T03:00:00.000Z	23 \| good	3.529 \| good	15.441 \| good	24.905 \| good	1.071 \| good	20.932 \| good	0.193 \| good
2026-09-09T04:00:00.000Z	27 \| good	4.53 \| good	19.994 \| good	22.171 \| good	1.198 \| good	28.454 \| good	0.217 \| good
2026-09-09T05:00:00.000Z	30 \| good	4.759 \| good	20.915 \| good	19.693 \| good	1.349 \| good	31.691 \| good	0.25 \| good
2026-09-09T06:00:00.000Z	31 \| good	5.155 \| good	22.181 \| good	14.696 \| good	1.4 \| good	33.02 \| good	0.273 \| good
2026-09-09T07:00:00.000Z	38 \| good	6.854 \| good	30.202 \| good	10.453 \| good	1.369 \| good	33.034 \| good	0.289 \| good
2026-09-09T08:00:00.000Z	52 \| moderate	9.992 \| good	44.62 \| good	6.348 \| good	1.3 \| good	31.969 \| good	0.294 \| good
2026-09-09T09:00:00.000Z	49 \| good	9.495 \| good	42.334 \| good	4.158 \| good	1.243 \| good	31.119 \| good	0.291 \| good
2026-09-09T10:00:00.000Z	49 \| good	9.019 \| good	39.934 \| good	5.719 \| good	1.157 \| good	30.754 \| good	0.286 \| good
2026-09-09T11:00:00.000Z	49 \| good	8.826 \| good	39.007 \| good	9.365 \| good	1.052 \| good	30.02 \| good	0.283 \| 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?