What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 42.596 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.44 ppb.

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

The current ozone (O3) levels at Fullerton, California is 46.181 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 6.753 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 6.626 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)

Good

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)

3.26 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.02 μg/m³

155

255

425

605+

Ozone (O₃)

36.33 ppb

201

201+

Sulfur Dioxide (SO₂)

2.84 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-08T04:00:00.000Z	34 \| good	3.163 \| good	16.381 \| good	37.459 \| good	0.397 \| good	4.59 \| good	0.286 \| good
2026-03-08T05:00:00.000Z	28 \| good	3.128 \| good	18.243 \| good	29.654 \| good	0.456 \| good	12.188 \| good	0.464 \| good
2026-03-08T06:00:00.000Z	29 \| good	2.666 \| good	14.888 \| good	30.903 \| good	0.308 \| good	14.435 \| good	0.512 \| good
2026-03-08T07:00:00.000Z	27 \| good	3.057 \| good	18.319 \| good	29.323 \| good	0.305 \| good	14.435 \| good	0.512 \| good
2026-03-08T08:00:00.000Z	29 \| good	3.472 \| good	21.59 \| good	31.006 \| good	0.355 \| good	8.032 \| good	0.338 \| good
2026-03-08T09:00:00.000Z	30 \| good	3.944 \| good	20.395 \| good	31.868 \| good	0.276 \| good	5.093 \| good	0.259 \| good
2026-03-08T10:00:00.000Z	31 \| good	2.76 \| good	18.9 \| good	32.612 \| good	0.283 \| good	5.093 \| good	0.259 \| good
2026-03-08T11:00:00.000Z	31 \| good	2.877 \| good	19.683 \| good	34.414 \| good	0.291 \| good	5.093 \| good	0.26 \| good
2026-03-08T12:00:00.000Z	29 \| good	3.088 \| good	16.005 \| good	31.412 \| good	0.427 \| good	5.438 \| good	0.298 \| good
2026-03-08T13:00:00.000Z	49 \| good	8.731 \| good	38.193 \| good	31.412 \| good	0.497 \| good	5.388 \| good	0.298 \| good
2026-03-08T14:00:00.000Z	33 \| good	5.62 \| good	15.915 \| good	27.931 \| good	0.437 \| good	20.347 \| good	0.618 \| good
2026-03-08T15:00:00.000Z	38 \| good	6.933 \| good	18.806 \| good	24.632 \| good	0.618 \| good	22.282 \| good	0.821 \| good
2026-03-08T16:00:00.000Z	33 \| good	5.688 \| good	16.074 \| good	26.42 \| good	0.563 \| good	20.162 \| good	0.773 \| good
2026-03-08T17:00:00.000Z	33 \| good	5.54 \| good	14.189 \| good	28.583 \| good	0.512 \| good	16.285 \| good	0.639 \| good
2026-03-08T18:00:00.000Z	32 \| good	4.165 \| good	14.95 \| good	35.246 \| good	0.447 \| good	6.569 \| good	0.394 \| good
2026-03-08T19:00:00.000Z	37 \| good	4.492 \| good	19.293 \| good	40.323 \| good	0.365 \| good	3.168 \| good	0.285 \| good
2026-03-08T20:00:00.000Z	39 \| good	2.359 \| good	19.066 \| good	41.954 \| good	0.313 \| good	2.33 \| good	0.262 \| good
2026-03-08T21:00:00.000Z	40 \| good	3.492 \| good	15.627 \| good	43.192 \| good	0.357 \| good	1.892 \| good	0.249 \| good
2026-03-08T22:00:00.000Z	45 \| good	2.917 \| good	13.211 \| good	48.732 \| good	0.666 \| good	2.04 \| good	0.249 \| good
2026-03-08T23:00:00.000Z	47 \| good	0.953 \| good	12.723 \| good	50.924 \| good	0.401 \| good	2.281 \| good	0.242 \| good
2026-03-09T00:00:00.000Z	44 \| good	2.15 \| good	12.482 \| good	48.492 \| good	0.315 \| good	2.383 \| good	0.313 \| good
2026-03-09T01:00:00.000Z	42 \| good	2.68 \| good	12.273 \| good	45.136 \| good	0.41 \| good	2.933 \| good	0.243 \| good
2026-03-09T02:00:00.000Z	40 \| good	3.097 \| good	17.937 \| good	43.14 \| good	0.434 \| good	5.862 \| good	0.252 \| good
2026-03-09T03:00:00.000Z	44 \| good	8.035 \| good	35.521 \| good	37.776 \| good	2.042 \| good	38.859 \| good	0.363 \| good
2026-03-09T04:00:00.000Z	35 \| good	5.546 \| good	23.652 \| good	37.948 \| good	0.422 \| good	18.311 \| good	0.647 \| good
2026-03-09T05:00:00.000Z	38 \| good	6.717 \| good	32.3 \| good	38.595 \| good	0.541 \| good	9.571 \| good	0.468 \| good
2026-03-09T06:00:00.000Z	34 \| good	5.658 \| good	24.481 \| good	36.877 \| good	0.34 \| good	7.769 \| good	0.484 \| good
2026-03-09T07:00:00.000Z	33 \| good	5.453 \| good	26.227 \| good	36.087 \| good	0.366 \| good	7.769 \| good	0.486 \| good
2026-03-09T08:00:00.000Z	33 \| good	6.082 \| good	20.612 \| good	35.266 \| good	0.594 \| good	4.517 \| good	0.353 \| good
2026-03-09T09:00:00.000Z	36 \| good	6.344 \| good	20.472 \| good	38.682 \| good	0.564 \| good	3.041 \| good	0.253 \| good
2026-03-09T10:00:00.000Z	35 \| good	5.656 \| good	21.169 \| good	37.664 \| good	0.517 \| good	2.657 \| good	0.253 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.817 \| good	19.642 \| good	34.495 \| good	0.587 \| good	4.537 \| good	0.271 \| good
2026-03-09T12:00:00.000Z	33 \| good	6.447 \| good	20.576 \| good	29.169 \| good	0.485 \| good	9.263 \| good	0.353 \| good
2026-03-09T13:00:00.000Z	33 \| good	6.163 \| good	21.891 \| good	30.547 \| good	0.486 \| good	9.263 \| good	0.353 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.358 \| good	33.781 \| good	25.057 \| good	0.514 \| good	25.119 \| good	0.599 \| good
2026-03-09T15:00:00.000Z	44 \| good	8.375 \| good	33.332 \| good	19.3 \| good	0.605 \| good	26.498 \| good	0.699 \| good
2026-03-09T16:00:00.000Z	49 \| good	8.639 \| good	35.83 \| good	20.985 \| good	0.646 \| good	23.445 \| good	0.65 \| good
2026-03-09T17:00:00.000Z	44 \| good	7.882 \| good	33.63 \| good	28.979 \| good	0.765 \| good	11.221 \| good	0.437 \| good
2026-03-09T18:00:00.000Z	33 \| good	6.157 \| good	32.679 \| good	32.689 \| good	0.658 \| good	7.898 \| good	0.414 \| good
2026-03-09T19:00:00.000Z	34 \| good	4.993 \| good	26.004 \| good	37.164 \| good	0.62 \| good	6.097 \| good	0.332 \| good
2026-03-09T20:00:00.000Z	39 \| good	5.586 \| good	32.693 \| good	41.806 \| good	0.594 \| good	6.55 \| good	0.332 \| good
2026-03-09T21:00:00.000Z	42 \| good	5.807 \| good	34.38 \| good	45.31 \| good	0.602 \| good	6.257 \| good	0.404 \| good
2026-03-09T22:00:00.000Z	44 \| good	6.479 \| good	28.39 \| good	47.973 \| good	0.437 \| good	5.756 \| good	0.399 \| good
2026-03-09T23:00:00.000Z	43 \| good	5.918 \| good	41.623 \| good	45.792 \| good	0.462 \| good	8.06 \| good	0.409 \| good
2026-03-10T00:00:00.000Z	43 \| good	6.626 \| good	42.596 \| good	46.181 \| good	0.44 \| good	6.753 \| good	0.409 \| good
2026-03-10T01:00:00.000Z	41 \| good	6.577 \| good	38.651 \| good	44.098 \| good	0.396 \| good	6.534 \| good	0.402 \| good
2026-03-10T02:00:00.000Z	40 \| good	6.477 \| good	28.938 \| good	42.964 \| good	0.425 \| good	7.303 \| good	0.473 \| good
2026-03-10T03:00:00.000Z	33 \| good	3.262 \| good	14.024 \| good	36.334 \| good	2.837 \| good	14.809 \| good	0.172 \| good
2026-03-10T03:00:00.000Z	33 \| good	3.262 \| good	14.024 \| good	36.334 \| good	2.837 \| good	14.809 \| good	0.172 \| good
2026-03-10T02:00:00.000Z	36 \| good	3.047 \| good	12.434 \| good	39.497 \| good	2.626 \| good	12.263 \| good	0.163 \| good
2026-03-10T03:00:00.000Z	36 \| good	3.08 \| good	12.664 \| good	39.356 \| good	2.807 \| good	15.776 \| good	0.175 \| good
2026-03-10T04:00:00.000Z	35 \| good	2.668 \| good	11.033 \| good	38.144 \| good	3.148 \| good	19.752 \| good	0.186 \| good
2026-03-10T05:00:00.000Z	31 \| good	3.983 \| good	17.24 \| good	33.721 \| good	3.488 \| good	23.727 \| good	0.197 \| good
2026-03-10T06:00:00.000Z	26 \| good	2.521 \| good	10.379 \| good	25.777 \| good	3.829 \| good	27.703 \| good	0.208 \| good
2026-03-10T07:00:00.000Z	28 \| good	5.489 \| good	23.71 \| good	18.462 \| good	3.901 \| good	29.537 \| good	0.217 \| good
2026-03-10T08:00:00.000Z	38 \| good	7.349 \| good	32.715 \| good	13.753 \| good	3.973 \| good	31.372 \| good	0.226 \| good
2026-03-10T09:00:00.000Z	44 \| good	8.264 \| good	36.347 \| good	12.506 \| good	4.045 \| good	33.207 \| good	0.235 \| good
2026-03-10T10:00:00.000Z	52 \| moderate	9.793 \| good	43.365 \| good	15.463 \| good	3.973 \| good	31.929 \| good	0.235 \| good
2026-03-10T11:00:00.000Z	52 \| moderate	10.343 \| good	46.001 \| good	16.573 \| good	3.9 \| good	30.651 \| good	0.235 \| good
2026-03-10T12:00:00.000Z	52 \| moderate	9.697 \| good	42.629 \| good	14.247 \| good	3.827 \| good	29.373 \| good	0.235 \| good
2026-03-10T13:00:00.000Z	54 \| moderate	11.073 \| good	49.554 \| good	12.571 \| good	3.763 \| good	28.225 \| good	0.264 \| good
2026-03-10T14:00:00.000Z	62 \| moderate	14.667 \| fine	65.451 \| fine	14.472 \| good	3.7 \| good	27.077 \| good	0.294 \| good
2026-03-10T15:00:00.000Z	62 \| moderate	14.771 \| fine	65.883 \| fine	14.975 \| good	3.636 \| good	25.93 \| good	0.323 \| good
2026-03-10T16:00:00.000Z	49 \| good	8.802 \| good	38.855 \| good	26.776 \| good	4.116 \| good	21.192 \| good	0.273 \| good
2026-03-10T17:00:00.000Z	38 \| good	6.537 \| good	28.973 \| good	33.182 \| good	4.596 \| good	16.453 \| good	0.222 \| good
2026-03-10T18:00:00.000Z	35 \| good	3.887 \| good	16.976 \| good	37.85 \| good	5.075 \| good	11.715 \| good	0.172 \| good
2026-03-10T19:00:00.000Z	36 \| good	4.289 \| good	18.578 \| good	39.037 \| good	4.734 \| good	10.415 \| good	0.166 \| good
2026-03-10T20:00:00.000Z	37 \| good	3.197 \| good	13.721 \| good	40.42 \| good	4.393 \| good	9.114 \| good	0.161 \| good
2026-03-10T21:00:00.000Z	40 \| good	3.812 \| good	16.513 \| good	43.02 \| good	4.052 \| good	7.814 \| good	0.155 \| good
2026-03-10T22:00:00.000Z	42 \| good	2.916 \| good	12.236 \| good	44.725 \| good	3.862 \| good	7.702 \| good	0.153 \| good
2026-03-10T23:00:00.000Z	41 \| good	2.42 \| good	9.839 \| good	43.74 \| good	3.672 \| good	7.589 \| good	0.152 \| good
2026-03-11T00:00:00.000Z	39 \| good	4.77 \| good	20.769 \| good	42.084 \| good	3.483 \| good	7.477 \| good	0.15 \| good
2026-03-11T01:00:00.000Z	38 \| good	6.622 \| good	29.741 \| good	37.489 \| good	3.43 \| good	10.261 \| good	0.159 \| good
2026-03-11T02:00:00.000Z	31 \| good	3.617 \| good	15.612 \| good	33.136 \| good	3.378 \| good	13.045 \| good	0.168 \| good
2026-03-11T03:00:00.000Z	30 \| good	3.633 \| good	15.671 \| good	31.68 \| good	3.325 \| good	15.828 \| good	0.177 \| good
2026-03-11T04:00:00.000Z	28 \| good	4.475 \| good	19.609 \| good	29.692 \| good	3.582 \| good	20.126 \| good	0.189 \| good
2026-03-11T05:00:00.000Z	27 \| good	4.597 \| good	20.158 \| good	23.596 \| good	3.84 \| good	24.423 \| good	0.201 \| good
2026-03-11T06:00:00.000Z	71 \| moderate	19.899 \| fine	24.698 \| good	14.855 \| good	4.178 \| good	29.242 \| good	0.216 \| good
2026-03-11T07:00:00.000Z	33 \| good	5.839 \| good	25.796 \| good	9.924 \| good	3.981 \| good	29.638 \| good	0.223 \| good
2026-03-11T08:00:00.000Z	38 \| good	7.054 \| good	31.19 \| good	18.079 \| good	3.865 \| good	30.556 \| good	0.232 \| good
2026-03-11T09:00:00.000Z	44 \| good	8.084 \| good	35.409 \| good	14.938 \| good	3.75 \| good	31.474 \| good	0.241 \| good
2026-03-11T10:00:00.000Z	54 \| moderate	10.582 \| good	46.72 \| good	8.626 \| good	3.361 \| good	30.599 \| good	0.25 \| good
2026-03-11T11:00:00.000Z	54 \| moderate	11.166 \| good	49.85 \| good	10.206 \| good	2.972 \| good	29.723 \| good	0.259 \| good
2026-03-11T12:00:00.000Z	82 \| moderate	25.617 \| fine	27.691 \| good	7.01 \| good	2.625 \| good	29.165 \| good	0.27 \| good
2026-03-11T13:00:00.000Z	81 \| moderate	25.326 \| fine	27.294 \| good	7.817 \| good	2.85 \| good	27.955 \| good	0.283 \| good
2026-03-11T14:00:00.000Z	82 \| moderate	25.701 \| fine	27.71 \| good	8.623 \| good	3.076 \| good	26.746 \| good	0.296 \| good
2026-03-11T15:00:00.000Z	86 \| moderate	27.997 \| fine	30.291 \| good	9.43 \| good	3.301 \| good	25.536 \| good	0.309 \| good
2026-03-11T16:00:00.000Z	86 \| moderate	27.556 \| fine	30.089 \| good	18.863 \| good	3.764 \| good	22.089 \| good	0.279 \| good
2026-03-11T17:00:00.000Z	54 \| moderate	11.182 \| good	49.349 \| good	30.21 \| good	4.196 \| good	18.492 \| good	0.248 \| good
2026-03-11T18:00:00.000Z	69 \| moderate	19.291 \| fine	24.571 \| good	37.729 \| good	4.691 \| good	15.195 \| good	0.22 \| good
2026-03-11T19:00:00.000Z	69 \| moderate	19.008 \| fine	24.225 \| good	41.529 \| good	4.836 \| good	14.39 \| good	0.212 \| good
2026-03-11T20:00:00.000Z	69 \| moderate	18.773 \| fine	23.901 \| good	45.329 \| good	4.981 \| good	13.586 \| good	0.205 \| good
2026-03-11T21:00:00.000Z	67 \| moderate	18.327 \| fine	23.318 \| good	49.13 \| good	5.126 \| good	12.781 \| good	0.197 \| good
2026-03-11T22:00:00.000Z	67 \| moderate	17.768 \| fine	22.609 \| good	49.284 \| good	5.122 \| good	12.664 \| good	0.193 \| good
2026-03-11T23:00:00.000Z	66 \| moderate	17.043 \| fine	21.662 \| good	49.439 \| good	5.117 \| good	12.546 \| good	0.189 \| good
2026-03-12T00:00:00.000Z	64 \| moderate	16.426 \| fine	20.767 \| good	49.593 \| good	5.113 \| good	12.429 \| good	0.185 \| good
2026-03-12T01:00:00.000Z	64 \| moderate	15.984 \| fine	19.952 \| good	40.911 \| good	4.944 \| good	18.22 \| good	0.205 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.32ppm

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 2026-03-09.

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

The best air quality in Fullerton, California was recorded at 06:00:00 on 2026-03-09.

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

The real-time air quality index in Fullerton, California is 43, currently categorized as Good.

Which pollutant is found most often in Fullerton, California?

The most common pollutant in Fullerton, California is O3.

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 6.626 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 42.596 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.409 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.44 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 46.181 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 6.753 ppb.

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