What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 41.981 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.875 ppb.

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

The current ozone (O3) levels at Fullerton, California is 22.728 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 14.787 ppb.

Real-time air quality index in Fullerton, California today

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

The measured PM2.5 levels in Fullerton, California at present are 11.91 μg/m3.

Stay updated with real-time air quality in Fullerton, 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

Fullerton, California

Last updated: ... (Local time)

Common air pollutants in Fullerton, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.91 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.98 μg/m³

155

255

425

605+

Ozone (O₃)

22.73 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.60 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Fullerton, California

Get Live Pollen Counts

Fullerton, California

Scroll To Air Quality Map

Track live Fullerton, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-15T18:00:00.000Z	49 \| good	8.664 \| good	29.456 \| good	25.701 \| good	0.374 \| good	4.65 \| good	0.353 \| good
2026-08-15T19:00:00.000Z	49 \| good	8.683 \| good	29.789 \| good	30.061 \| good	0.388 \| good	5.317 \| good	0.336 \| good
2026-08-15T20:00:00.000Z	52 \| moderate	9.8 \| good	34.328 \| good	35.336 \| good	0.398 \| good	5.439 \| good	0.336 \| good
2026-08-15T21:00:00.000Z	44 \| good	8.059 \| good	32.814 \| good	39.253 \| good	0.582 \| good	5.006 \| good	0.321 \| good
2026-08-15T22:00:00.000Z	44 \| good	7.849 \| good	32.544 \| good	40.783 \| good	0.527 \| good	3.977 \| good	0.321 \| good
2026-08-15T23:00:00.000Z	39 \| good	6.233 \| good	27.719 \| good	42.049 \| good	0.515 \| good	3.762 \| good	0.274 \| good
2026-08-16T00:00:00.000Z	38 \| good	5.727 \| good	30.996 \| good	40.95 \| good	0.503 \| good	3.53 \| good	0.265 \| good
2026-08-16T01:00:00.000Z	36 \| good	5.897 \| good	36.855 \| good	39.431 \| good	0.534 \| good	3.336 \| good	0.265 \| good
2026-08-16T02:00:00.000Z	38 \| good	6.601 \| good	23.615 \| good	36.901 \| good	0.612 \| good	4.104 \| good	0.312 \| good
2026-08-16T03:00:00.000Z	33 \| good	6.195 \| good	26.679 \| good	33.41 \| good	0.479 \| good	5.566 \| good	0.36 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.224 \| good	28.763 \| good	31.369 \| good	0.437 \| good	5.395 \| good	0.404 \| good
2026-08-16T05:00:00.000Z	33 \| good	5.833 \| good	26.511 \| good	28.563 \| good	0.707 \| good	5.489 \| good	0.36 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.26 \| good	21.861 \| good	25.559 \| good	0.371 \| good	6.056 \| good	0.369 \| good
2026-08-16T07:00:00.000Z	27 \| good	4.983 \| good	23.501 \| good	25.494 \| good	0.372 \| good	6.056 \| good	0.369 \| good
2026-08-16T08:00:00.000Z	27 \| good	4.628 \| good	19.716 \| good	21.091 \| good	0.366 \| good	7.311 \| good	0.495 \| good
2026-08-16T09:00:00.000Z	33 \| good	6.213 \| good	21.656 \| good	18.687 \| good	0.445 \| good	7.53 \| good	0.383 \| good
2026-08-16T10:00:00.000Z	38 \| good	6.62 \| good	26.628 \| good	18.464 \| good	0.444 \| good	7.53 \| good	0.383 \| good
2026-08-16T11:00:00.000Z	33 \| good	6.229 \| good	22.931 \| good	18.537 \| good	0.445 \| good	7.53 \| good	0.382 \| good
2026-08-16T12:00:00.000Z	38 \| good	6.886 \| good	21.581 \| good	14.691 \| good	0.377 \| good	8.344 \| good	0.288 \| good
2026-08-16T13:00:00.000Z	38 \| good	6.918 \| good	25.015 \| good	14.684 \| good	0.378 \| good	8.344 \| good	0.288 \| good
2026-08-16T14:00:00.000Z	38 \| good	7.425 \| good	20.241 \| good	13.167 \| good	0.356 \| good	9.781 \| good	0.341 \| good
2026-08-16T15:00:00.000Z	52 \| moderate	9.6 \| good	21.74 \| good	14.802 \| good	0.656 \| good	9.539 \| good	0.427 \| good
2026-08-16T16:00:00.000Z	52 \| moderate	9.791 \| good	27.061 \| good	14.973 \| good	0.614 \| good	7.925 \| good	0.401 \| good
2026-08-16T17:00:00.000Z	54 \| moderate	10.538 \| good	30.321 \| good	23.499 \| good	0.687 \| good	6.887 \| good	0.416 \| good
2026-08-16T18:00:00.000Z	52 \| moderate	9.976 \| good	30.468 \| good	30.534 \| good	0.712 \| good	5.575 \| good	0.353 \| good
2026-08-16T19:00:00.000Z	52 \| moderate	9.945 \| good	32.109 \| good	38.382 \| good	0.641 \| good	4.662 \| good	0.383 \| good
2026-08-16T20:00:00.000Z	52 \| moderate	9.717 \| good	33.128 \| good	45.123 \| good	0.595 \| good	4.73 \| good	0.336 \| good
2026-08-16T21:00:00.000Z	49 \| good	8.788 \| good	30.186 \| good	50.559 \| good	0.66 \| good	5.048 \| good	0.383 \| good
2026-08-16T22:00:00.000Z	49 \| good	8.897 \| good	37.618 \| good	52.541 \| good	0.718 \| good	4.371 \| good	0.336 \| good
2026-08-16T23:00:00.000Z	46 \| good	7.545 \| good	35.205 \| good	49.892 \| good	0.932 \| good	4.12 \| good	0.336 \| good
2026-08-17T00:00:00.000Z	49 \| good	8.693 \| good	25.61 \| good	49.309 \| good	0.857 \| good	4.214 \| good	0.384 \| good
2026-08-17T01:00:00.000Z	49 \| good	8.602 \| good	30.139 \| good	48.27 \| good	0.718 \| good	4.926 \| good	0.384 \| good
2026-08-17T02:00:00.000Z	39 \| good	7.263 \| good	24.596 \| good	42.298 \| good	0.694 \| good	5.398 \| good	0.384 \| good
2026-08-17T03:00:00.000Z	33 \| good	6.319 \| good	28.056 \| good	25.061 \| good	1.315 \| good	8.633 \| good	0.135 \| good
2026-08-17T04:00:00.000Z	44 \| good	7.554 \| good	26.036 \| good	33.695 \| good	0.539 \| good	7.406 \| good	0.448 \| good
2026-08-17T05:00:00.000Z	44 \| good	8.382 \| good	24.305 \| good	29.022 \| good	0.705 \| good	8.605 \| good	0.463 \| good
2026-08-17T06:00:00.000Z	44 \| good	7.731 \| good	24.323 \| good	24.758 \| good	0.502 \| good	8.934 \| good	0.539 \| good
2026-08-17T07:00:00.000Z	44 \| good	8.108 \| good	33.161 \| good	25.605 \| good	0.497 \| good	8.934 \| good	0.539 \| good
2026-08-17T08:00:00.000Z	49 \| good	8.516 \| good	27.096 \| good	22.989 \| good	0.543 \| good	6.3 \| good	0.438 \| good
2026-08-17T09:00:00.000Z	49 \| good	9.37 \| good	30.391 \| good	20.921 \| good	0.5 \| good	5.754 \| good	0.288 \| good
2026-08-17T10:00:00.000Z	49 \| good	8.943 \| good	25.807 \| good	20.084 \| good	0.474 \| good	5.537 \| good	0.288 \| good
2026-08-17T11:00:00.000Z	44 \| good	8.243 \| good	26.392 \| good	16.985 \| good	0.636 \| good	7.351 \| good	0.288 \| good
2026-08-17T12:00:00.000Z	38 \| good	7.294 \| good	28.057 \| good	15.632 \| good	0.428 \| good	8.45 \| good	0.326 \| good
2026-08-17T13:00:00.000Z	44 \| good	7.846 \| good	32.798 \| good	15.77 \| good	0.422 \| good	8.45 \| good	0.326 \| good
2026-08-17T14:00:00.000Z	49 \| good	8.812 \| good	28.36 \| good	13.535 \| good	0.492 \| good	14.074 \| good	0.534 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	10.037 \| good	39.315 \| good	15.65 \| good	0.668 \| good	12.315 \| good	0.585 \| good
2026-08-17T16:00:00.000Z	56 \| moderate	11.714 \| good	43.301 \| good	21.364 \| good	0.814 \| good	10.444 \| good	0.601 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	12.468 \| fine	48.564 \| good	24.609 \| good	0.864 \| good	14.969 \| good	0.513 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	11.91 \| good	41.981 \| good	22.728 \| good	0.875 \| good	14.787 \| good	0.596 \| good
2026-08-17T18:00:00.000Z	66 \| moderate	16.821 \| fine	74.821 \| fine	48.199 \| good	1.592 \| good	10.183 \| good	0.15 \| good
2026-08-17T19:00:00.000Z	64 \| moderate	15.31 \| fine	68.776 \| fine	59.123 \| fine	1.621 \| good	8.71 \| good	0.145 \| good
2026-08-17T20:00:00.000Z	67 \| moderate	11.504 \| good	50.892 \| good	60.321 \| fine	1.79 \| good	6.382 \| good	0.142 \| good
2026-08-17T21:00:00.000Z	74 \| moderate	11.871 \| good	52.014 \| good	61.891 \| fine	1.796 \| good	5.024 \| good	0.139 \| good
2026-08-17T22:00:00.000Z	67 \| moderate	10.495 \| good	46.889 \| good	60.01 \| fine	1.768 \| good	3.868 \| good	0.135 \| good
2026-08-17T23:00:00.000Z	67 \| moderate	11.292 \| good	49.944 \| good	59.751 \| fine	1.726 \| good	3.518 \| good	0.129 \| good
2026-08-18T00:00:00.000Z	52 \| moderate	9.591 \| good	42.872 \| good	54.404 \| good	1.679 \| good	3.519 \| good	0.127 \| good
2026-08-18T01:00:00.000Z	44 \| good	7.148 \| good	31.94 \| good	47.707 \| good	1.576 \| good	4.506 \| good	0.128 \| good
2026-08-18T02:00:00.000Z	44 \| good	7.726 \| good	33.997 \| good	39.442 \| good	1.458 \| good	6.739 \| good	0.132 \| good
2026-08-18T03:00:00.000Z	38 \| good	6.983 \| good	31.044 \| good	27.504 \| good	1.37 \| good	10.089 \| good	0.139 \| good
2026-08-18T04:00:00.000Z	33 \| good	6.353 \| good	28.046 \| good	22.872 \| good	1.419 \| good	11.983 \| good	0.144 \| good
2026-08-18T05:00:00.000Z	33 \| good	6.493 \| good	29.016 \| good	18.744 \| good	1.409 \| good	14.896 \| good	0.15 \| good
2026-08-18T06:00:00.000Z	38 \| good	7.25 \| good	32.005 \| good	14.147 \| good	1.405 \| good	19.087 \| good	0.162 \| good
2026-08-18T07:00:00.000Z	49 \| good	8.858 \| good	38.967 \| good	14.372 \| good	1.386 \| good	24.796 \| good	0.179 \| good
2026-08-18T08:00:00.000Z	52 \| moderate	10.348 \| good	45.97 \| good	11.613 \| good	1.349 \| good	25.549 \| good	0.185 \| good
2026-08-18T09:00:00.000Z	52 \| moderate	10.446 \| good	45.979 \| good	12.275 \| good	1.308 \| good	25.555 \| good	0.187 \| good
2026-08-18T10:00:00.000Z	54 \| moderate	10.674 \| good	46.963 \| good	10.668 \| good	1.261 \| good	25.28 \| good	0.187 \| good
2026-08-18T11:00:00.000Z	54 \| moderate	10.745 \| good	47.917 \| good	9.837 \| good	1.225 \| good	25.184 \| good	0.189 \| good
2026-08-18T12:00:00.000Z	52 \| moderate	9.952 \| good	43.902 \| good	6.694 \| good	1.309 \| good	24.156 \| good	0.199 \| good
2026-08-18T13:00:00.000Z	56 \| moderate	11.58 \| good	51.058 \| good	4.276 \| good	1.387 \| good	24.627 \| good	0.215 \| good
2026-08-18T14:00:00.000Z	58 \| moderate	13.429 \| fine	60.992 \| fine	8.88 \| good	1.461 \| good	22.669 \| good	0.236 \| good
2026-08-18T15:00:00.000Z	66 \| moderate	16.815 \| fine	74.963 \| fine	15.07 \| good	1.263 \| good	15.805 \| good	0.187 \| good
2026-08-18T16:00:00.000Z	67 \| moderate	18.132 \| fine	80.792 \| fine	23.626 \| good	1.278 \| good	11.939 \| good	0.168 \| good
2026-08-18T17:00:00.000Z	71 \| moderate	20.076 \| fine	88.779 \| fine	36.539 \| good	1.356 \| good	10.332 \| good	0.163 \| good
2026-08-18T18:00:00.000Z	66 \| moderate	17.086 \| fine	76.721 \| fine	51.876 \| good	1.413 \| good	9.487 \| good	0.16 \| good
2026-08-18T19:00:00.000Z	80 \| moderate	15.722 \| fine	70.812 \| fine	63.631 \| fine	1.496 \| good	8.515 \| good	0.156 \| good
2026-08-18T20:00:00.000Z	97 \| moderate	11.391 \| good	50.859 \| good	69.067 \| fine	1.809 \| good	8.251 \| good	0.159 \| good
2026-08-18T21:00:00.000Z	84 \| moderate	8.082 \| good	35.85 \| good	65.489 \| fine	1.958 \| good	7.45 \| good	0.158 \| good
2026-08-18T22:00:00.000Z	54 \| moderate	6.909 \| good	30.888 \| good	55.628 \| fine	2.097 \| good	6.858 \| good	0.158 \| good
2026-08-18T23:00:00.000Z	54 \| moderate	10.742 \| good	47.869 \| good	54.686 \| good	1.984 \| good	6.328 \| good	0.153 \| good
2026-08-19T00:00:00.000Z	52 \| moderate	10.368 \| good	45.9 \| good	46.943 \| good	2.092 \| good	6.537 \| good	0.154 \| good
2026-08-19T01:00:00.000Z	49 \| good	9 \| good	40.789 \| good	39.992 \| good	2.163 \| good	7.642 \| good	0.156 \| good
2026-08-19T02:00:00.000Z	52 \| moderate	9.623 \| good	43.019 \| good	34.975 \| good	2.189 \| good	9.958 \| good	0.16 \| good
2026-08-19T03:00:00.000Z	52 \| moderate	10.247 \| good	45.051 \| good	26.905 \| good	2.148 \| good	12.968 \| good	0.166 \| good
2026-08-19T04:00:00.000Z	52 \| moderate	10 \| good	44.907 \| good	27.995 \| good	2.222 \| good	14.811 \| good	0.172 \| good
2026-08-19T05:00:00.000Z	52 \| moderate	10.047 \| good	44.944 \| good	25.675 \| good	2.134 \| good	18.095 \| good	0.18 \| good
2026-08-19T06:00:00.000Z	54 \| moderate	10.593 \| good	46.928 \| good	21.745 \| good	2.073 \| good	21.736 \| good	0.191 \| good
2026-08-19T07:00:00.000Z	52 \| moderate	10.195 \| good	45.039 \| good	17.93 \| good	1.932 \| good	24.818 \| good	0.201 \| good
2026-08-19T08:00:00.000Z	54 \| moderate	11.498 \| good	51.034 \| good	15.794 \| good	1.859 \| good	25.536 \| good	0.207 \| good
2026-08-19T09:00:00.000Z	54 \| moderate	11.44 \| good	50.957 \| good	14.918 \| good	1.782 \| good	25.763 \| good	0.21 \| good
2026-08-19T10:00:00.000Z	54 \| moderate	10.96 \| good	48.04 \| good	13.66 \| good	1.692 \| good	26.024 \| good	0.212 \| good
2026-08-19T11:00:00.000Z	56 \| moderate	11.579 \| good	51.059 \| good	11.434 \| good	1.623 \| good	26.849 \| good	0.217 \| good
2026-08-19T12:00:00.000Z	58 \| moderate	13.455 \| fine	61.001 \| fine	6.688 \| good	1.774 \| good	25.863 \| good	0.234 \| good
2026-08-19T13:00:00.000Z	64 \| moderate	15.507 \| fine	69.144 \| fine	4.256 \| good	1.818 \| good	26.575 \| good	0.252 \| good
2026-08-19T14:00:00.000Z	67 \| moderate	17.844 \| fine	79.076 \| fine	9.425 \| good	1.815 \| good	24.586 \| good	0.267 \| good
2026-08-19T15:00:00.000Z	77 \| moderate	22.619 \| fine	25.947 \| good	17.317 \| good	1.712 \| good	18.261 \| good	0.222 \| good
2026-08-19T16:00:00.000Z	71 \| moderate	20.234 \| fine	23.737 \| good	23.708 \| good	1.779 \| good	13.701 \| good	0.189 \| good
2026-08-19T17:00:00.000Z	71 \| moderate	20.183 \| fine	24.092 \| good	30.783 \| good	1.861 \| good	12.128 \| good	0.181 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.56ppm

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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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

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

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

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

The worst air quality in Fullerton, California was recorded at 04:00:00 on 2026-08-17.

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

The best air quality in Fullerton, California was recorded at 03:00:00 on 2026-08-17.

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

The real-time air quality index in Fullerton, California is 56, currently categorized as Moderate.

Which pollutant is found most often in Fullerton, California?

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

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

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

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

The measured PM_2.5 levels in Fullerton, California at present are 11.91 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 41.981 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.596 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.875 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 22.728 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 14.787 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-15T18:00:00.000Z	49 \| good	8.664 \| good	29.456 \| good	25.701 \| good	0.374 \| good	4.65 \| good	0.353 \| good
2026-08-15T19:00:00.000Z	49 \| good	8.683 \| good	29.789 \| good	30.061 \| good	0.388 \| good	5.317 \| good	0.336 \| good
2026-08-15T20:00:00.000Z	52 \| moderate	9.8 \| good	34.328 \| good	35.336 \| good	0.398 \| good	5.439 \| good	0.336 \| good
2026-08-15T21:00:00.000Z	44 \| good	8.059 \| good	32.814 \| good	39.253 \| good	0.582 \| good	5.006 \| good	0.321 \| good
2026-08-15T22:00:00.000Z	44 \| good	7.849 \| good	32.544 \| good	40.783 \| good	0.527 \| good	3.977 \| good	0.321 \| good
2026-08-15T23:00:00.000Z	39 \| good	6.233 \| good	27.719 \| good	42.049 \| good	0.515 \| good	3.762 \| good	0.274 \| good
2026-08-16T00:00:00.000Z	38 \| good	5.727 \| good	30.996 \| good	40.95 \| good	0.503 \| good	3.53 \| good	0.265 \| good
2026-08-16T01:00:00.000Z	36 \| good	5.897 \| good	36.855 \| good	39.431 \| good	0.534 \| good	3.336 \| good	0.265 \| good
2026-08-16T02:00:00.000Z	38 \| good	6.601 \| good	23.615 \| good	36.901 \| good	0.612 \| good	4.104 \| good	0.312 \| good
2026-08-16T03:00:00.000Z	33 \| good	6.195 \| good	26.679 \| good	33.41 \| good	0.479 \| good	5.566 \| good	0.36 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.224 \| good	28.763 \| good	31.369 \| good	0.437 \| good	5.395 \| good	0.404 \| good
2026-08-16T05:00:00.000Z	33 \| good	5.833 \| good	26.511 \| good	28.563 \| good	0.707 \| good	5.489 \| good	0.36 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.26 \| good	21.861 \| good	25.559 \| good	0.371 \| good	6.056 \| good	0.369 \| good
2026-08-16T07:00:00.000Z	27 \| good	4.983 \| good	23.501 \| good	25.494 \| good	0.372 \| good	6.056 \| good	0.369 \| good
2026-08-16T08:00:00.000Z	27 \| good	4.628 \| good	19.716 \| good	21.091 \| good	0.366 \| good	7.311 \| good	0.495 \| good
2026-08-16T09:00:00.000Z	33 \| good	6.213 \| good	21.656 \| good	18.687 \| good	0.445 \| good	7.53 \| good	0.383 \| good
2026-08-16T10:00:00.000Z	38 \| good	6.62 \| good	26.628 \| good	18.464 \| good	0.444 \| good	7.53 \| good	0.383 \| good
2026-08-16T11:00:00.000Z	33 \| good	6.229 \| good	22.931 \| good	18.537 \| good	0.445 \| good	7.53 \| good	0.382 \| good
2026-08-16T12:00:00.000Z	38 \| good	6.886 \| good	21.581 \| good	14.691 \| good	0.377 \| good	8.344 \| good	0.288 \| good
2026-08-16T13:00:00.000Z	38 \| good	6.918 \| good	25.015 \| good	14.684 \| good	0.378 \| good	8.344 \| good	0.288 \| good
2026-08-16T14:00:00.000Z	38 \| good	7.425 \| good	20.241 \| good	13.167 \| good	0.356 \| good	9.781 \| good	0.341 \| good
2026-08-16T15:00:00.000Z	52 \| moderate	9.6 \| good	21.74 \| good	14.802 \| good	0.656 \| good	9.539 \| good	0.427 \| good
2026-08-16T16:00:00.000Z	52 \| moderate	9.791 \| good	27.061 \| good	14.973 \| good	0.614 \| good	7.925 \| good	0.401 \| good
2026-08-16T17:00:00.000Z	54 \| moderate	10.538 \| good	30.321 \| good	23.499 \| good	0.687 \| good	6.887 \| good	0.416 \| good
2026-08-16T18:00:00.000Z	52 \| moderate	9.976 \| good	30.468 \| good	30.534 \| good	0.712 \| good	5.575 \| good	0.353 \| good
2026-08-16T19:00:00.000Z	52 \| moderate	9.945 \| good	32.109 \| good	38.382 \| good	0.641 \| good	4.662 \| good	0.383 \| good
2026-08-16T20:00:00.000Z	52 \| moderate	9.717 \| good	33.128 \| good	45.123 \| good	0.595 \| good	4.73 \| good	0.336 \| good
2026-08-16T21:00:00.000Z	49 \| good	8.788 \| good	30.186 \| good	50.559 \| good	0.66 \| good	5.048 \| good	0.383 \| good
2026-08-16T22:00:00.000Z	49 \| good	8.897 \| good	37.618 \| good	52.541 \| good	0.718 \| good	4.371 \| good	0.336 \| good
2026-08-16T23:00:00.000Z	46 \| good	7.545 \| good	35.205 \| good	49.892 \| good	0.932 \| good	4.12 \| good	0.336 \| good
2026-08-17T00:00:00.000Z	49 \| good	8.693 \| good	25.61 \| good	49.309 \| good	0.857 \| good	4.214 \| good	0.384 \| good
2026-08-17T01:00:00.000Z	49 \| good	8.602 \| good	30.139 \| good	48.27 \| good	0.718 \| good	4.926 \| good	0.384 \| good
2026-08-17T02:00:00.000Z	39 \| good	7.263 \| good	24.596 \| good	42.298 \| good	0.694 \| good	5.398 \| good	0.384 \| good
2026-08-17T03:00:00.000Z	33 \| good	6.319 \| good	28.056 \| good	25.061 \| good	1.315 \| good	8.633 \| good	0.135 \| good
2026-08-17T04:00:00.000Z	44 \| good	7.554 \| good	26.036 \| good	33.695 \| good	0.539 \| good	7.406 \| good	0.448 \| good
2026-08-17T05:00:00.000Z	44 \| good	8.382 \| good	24.305 \| good	29.022 \| good	0.705 \| good	8.605 \| good	0.463 \| good
2026-08-17T06:00:00.000Z	44 \| good	7.731 \| good	24.323 \| good	24.758 \| good	0.502 \| good	8.934 \| good	0.539 \| good
2026-08-17T07:00:00.000Z	44 \| good	8.108 \| good	33.161 \| good	25.605 \| good	0.497 \| good	8.934 \| good	0.539 \| good
2026-08-17T08:00:00.000Z	49 \| good	8.516 \| good	27.096 \| good	22.989 \| good	0.543 \| good	6.3 \| good	0.438 \| good
2026-08-17T09:00:00.000Z	49 \| good	9.37 \| good	30.391 \| good	20.921 \| good	0.5 \| good	5.754 \| good	0.288 \| good
2026-08-17T10:00:00.000Z	49 \| good	8.943 \| good	25.807 \| good	20.084 \| good	0.474 \| good	5.537 \| good	0.288 \| good
2026-08-17T11:00:00.000Z	44 \| good	8.243 \| good	26.392 \| good	16.985 \| good	0.636 \| good	7.351 \| good	0.288 \| good
2026-08-17T12:00:00.000Z	38 \| good	7.294 \| good	28.057 \| good	15.632 \| good	0.428 \| good	8.45 \| good	0.326 \| good
2026-08-17T13:00:00.000Z	44 \| good	7.846 \| good	32.798 \| good	15.77 \| good	0.422 \| good	8.45 \| good	0.326 \| good
2026-08-17T14:00:00.000Z	49 \| good	8.812 \| good	28.36 \| good	13.535 \| good	0.492 \| good	14.074 \| good	0.534 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	10.037 \| good	39.315 \| good	15.65 \| good	0.668 \| good	12.315 \| good	0.585 \| good
2026-08-17T16:00:00.000Z	56 \| moderate	11.714 \| good	43.301 \| good	21.364 \| good	0.814 \| good	10.444 \| good	0.601 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	12.468 \| fine	48.564 \| good	24.609 \| good	0.864 \| good	14.969 \| good	0.513 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	11.91 \| good	41.981 \| good	22.728 \| good	0.875 \| good	14.787 \| good	0.596 \| good
2026-08-17T18:00:00.000Z	66 \| moderate	16.821 \| fine	74.821 \| fine	48.199 \| good	1.592 \| good	10.183 \| good	0.15 \| good
2026-08-17T19:00:00.000Z	64 \| moderate	15.31 \| fine	68.776 \| fine	59.123 \| fine	1.621 \| good	8.71 \| good	0.145 \| good
2026-08-17T20:00:00.000Z	67 \| moderate	11.504 \| good	50.892 \| good	60.321 \| fine	1.79 \| good	6.382 \| good	0.142 \| good
2026-08-17T21:00:00.000Z	74 \| moderate	11.871 \| good	52.014 \| good	61.891 \| fine	1.796 \| good	5.024 \| good	0.139 \| good
2026-08-17T22:00:00.000Z	67 \| moderate	10.495 \| good	46.889 \| good	60.01 \| fine	1.768 \| good	3.868 \| good	0.135 \| good
2026-08-17T23:00:00.000Z	67 \| moderate	11.292 \| good	49.944 \| good	59.751 \| fine	1.726 \| good	3.518 \| good	0.129 \| good
2026-08-18T00:00:00.000Z	52 \| moderate	9.591 \| good	42.872 \| good	54.404 \| good	1.679 \| good	3.519 \| good	0.127 \| good
2026-08-18T01:00:00.000Z	44 \| good	7.148 \| good	31.94 \| good	47.707 \| good	1.576 \| good	4.506 \| good	0.128 \| good
2026-08-18T02:00:00.000Z	44 \| good	7.726 \| good	33.997 \| good	39.442 \| good	1.458 \| good	6.739 \| good	0.132 \| good
2026-08-18T03:00:00.000Z	38 \| good	6.983 \| good	31.044 \| good	27.504 \| good	1.37 \| good	10.089 \| good	0.139 \| good
2026-08-18T04:00:00.000Z	33 \| good	6.353 \| good	28.046 \| good	22.872 \| good	1.419 \| good	11.983 \| good	0.144 \| good
2026-08-18T05:00:00.000Z	33 \| good	6.493 \| good	29.016 \| good	18.744 \| good	1.409 \| good	14.896 \| good	0.15 \| good
2026-08-18T06:00:00.000Z	38 \| good	7.25 \| good	32.005 \| good	14.147 \| good	1.405 \| good	19.087 \| good	0.162 \| good
2026-08-18T07:00:00.000Z	49 \| good	8.858 \| good	38.967 \| good	14.372 \| good	1.386 \| good	24.796 \| good	0.179 \| good
2026-08-18T08:00:00.000Z	52 \| moderate	10.348 \| good	45.97 \| good	11.613 \| good	1.349 \| good	25.549 \| good	0.185 \| good
2026-08-18T09:00:00.000Z	52 \| moderate	10.446 \| good	45.979 \| good	12.275 \| good	1.308 \| good	25.555 \| good	0.187 \| good
2026-08-18T10:00:00.000Z	54 \| moderate	10.674 \| good	46.963 \| good	10.668 \| good	1.261 \| good	25.28 \| good	0.187 \| good
2026-08-18T11:00:00.000Z	54 \| moderate	10.745 \| good	47.917 \| good	9.837 \| good	1.225 \| good	25.184 \| good	0.189 \| good
2026-08-18T12:00:00.000Z	52 \| moderate	9.952 \| good	43.902 \| good	6.694 \| good	1.309 \| good	24.156 \| good	0.199 \| good
2026-08-18T13:00:00.000Z	56 \| moderate	11.58 \| good	51.058 \| good	4.276 \| good	1.387 \| good	24.627 \| good	0.215 \| good
2026-08-18T14:00:00.000Z	58 \| moderate	13.429 \| fine	60.992 \| fine	8.88 \| good	1.461 \| good	22.669 \| good	0.236 \| good
2026-08-18T15:00:00.000Z	66 \| moderate	16.815 \| fine	74.963 \| fine	15.07 \| good	1.263 \| good	15.805 \| good	0.187 \| good
2026-08-18T16:00:00.000Z	67 \| moderate	18.132 \| fine	80.792 \| fine	23.626 \| good	1.278 \| good	11.939 \| good	0.168 \| good
2026-08-18T17:00:00.000Z	71 \| moderate	20.076 \| fine	88.779 \| fine	36.539 \| good	1.356 \| good	10.332 \| good	0.163 \| good
2026-08-18T18:00:00.000Z	66 \| moderate	17.086 \| fine	76.721 \| fine	51.876 \| good	1.413 \| good	9.487 \| good	0.16 \| good
2026-08-18T19:00:00.000Z	80 \| moderate	15.722 \| fine	70.812 \| fine	63.631 \| fine	1.496 \| good	8.515 \| good	0.156 \| good
2026-08-18T20:00:00.000Z	97 \| moderate	11.391 \| good	50.859 \| good	69.067 \| fine	1.809 \| good	8.251 \| good	0.159 \| good
2026-08-18T21:00:00.000Z	84 \| moderate	8.082 \| good	35.85 \| good	65.489 \| fine	1.958 \| good	7.45 \| good	0.158 \| good
2026-08-18T22:00:00.000Z	54 \| moderate	6.909 \| good	30.888 \| good	55.628 \| fine	2.097 \| good	6.858 \| good	0.158 \| good
2026-08-18T23:00:00.000Z	54 \| moderate	10.742 \| good	47.869 \| good	54.686 \| good	1.984 \| good	6.328 \| good	0.153 \| good
2026-08-19T00:00:00.000Z	52 \| moderate	10.368 \| good	45.9 \| good	46.943 \| good	2.092 \| good	6.537 \| good	0.154 \| good
2026-08-19T01:00:00.000Z	49 \| good	9 \| good	40.789 \| good	39.992 \| good	2.163 \| good	7.642 \| good	0.156 \| good
2026-08-19T02:00:00.000Z	52 \| moderate	9.623 \| good	43.019 \| good	34.975 \| good	2.189 \| good	9.958 \| good	0.16 \| good
2026-08-19T03:00:00.000Z	52 \| moderate	10.247 \| good	45.051 \| good	26.905 \| good	2.148 \| good	12.968 \| good	0.166 \| good
2026-08-19T04:00:00.000Z	52 \| moderate	10 \| good	44.907 \| good	27.995 \| good	2.222 \| good	14.811 \| good	0.172 \| good
2026-08-19T05:00:00.000Z	52 \| moderate	10.047 \| good	44.944 \| good	25.675 \| good	2.134 \| good	18.095 \| good	0.18 \| good
2026-08-19T06:00:00.000Z	54 \| moderate	10.593 \| good	46.928 \| good	21.745 \| good	2.073 \| good	21.736 \| good	0.191 \| good
2026-08-19T07:00:00.000Z	52 \| moderate	10.195 \| good	45.039 \| good	17.93 \| good	1.932 \| good	24.818 \| good	0.201 \| good
2026-08-19T08:00:00.000Z	54 \| moderate	11.498 \| good	51.034 \| good	15.794 \| good	1.859 \| good	25.536 \| good	0.207 \| good
2026-08-19T09:00:00.000Z	54 \| moderate	11.44 \| good	50.957 \| good	14.918 \| good	1.782 \| good	25.763 \| good	0.21 \| good
2026-08-19T10:00:00.000Z	54 \| moderate	10.96 \| good	48.04 \| good	13.66 \| good	1.692 \| good	26.024 \| good	0.212 \| good
2026-08-19T11:00:00.000Z	56 \| moderate	11.579 \| good	51.059 \| good	11.434 \| good	1.623 \| good	26.849 \| good	0.217 \| good
2026-08-19T12:00:00.000Z	58 \| moderate	13.455 \| fine	61.001 \| fine	6.688 \| good	1.774 \| good	25.863 \| good	0.234 \| good
2026-08-19T13:00:00.000Z	64 \| moderate	15.507 \| fine	69.144 \| fine	4.256 \| good	1.818 \| good	26.575 \| good	0.252 \| good
2026-08-19T14:00:00.000Z	67 \| moderate	17.844 \| fine	79.076 \| fine	9.425 \| good	1.815 \| good	24.586 \| good	0.267 \| good
2026-08-19T15:00:00.000Z	77 \| moderate	22.619 \| fine	25.947 \| good	17.317 \| good	1.712 \| good	18.261 \| good	0.222 \| good
2026-08-19T16:00:00.000Z	71 \| moderate	20.234 \| fine	23.737 \| good	23.708 \| good	1.779 \| good	13.701 \| good	0.189 \| good
2026-08-19T17:00:00.000Z	71 \| moderate	20.183 \| fine	24.092 \| good	30.783 \| good	1.861 \| good	12.128 \| good	0.181 \| good

Real-time air quality index in Fullerton, California today

Common air pollutants in Fullerton, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Fullerton, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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East 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 Fullerton, California updated?

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

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

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

Which pollutant is found most often in Fullerton, California?

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

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

What are the current PM10 levels at Fullerton, California?

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

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

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

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

What are the current PM₁₀ levels at Fullerton, California?

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

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

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