What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 34.486 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.932 ppb.

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

The current ozone (O3) levels at Fullerton, California is 2.792 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 24.812 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 19.178 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)

19.18 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.49 μg/m³

155

255

425

605+

Ozone (O₃)

2.79 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.57 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
2025-12-05T13:00:00.000Z	49 \| good	8.826 \| good	27.049 \| good	4.039 \| good	0.498 \| good	29.534 \| good	0.428 \| good
2025-12-05T14:00:00.000Z	49 \| good	8.858 \| good	28.425 \| good	3.516 \| good	0.595 \| good	29.847 \| good	0.621 \| good
2025-12-05T15:00:00.000Z	52 \| moderate	10.354 \| good	34.173 \| good	4.367 \| good	0.732 \| good	31.173 \| good	0.809 \| good
2025-12-05T16:00:00.000Z	52 \| moderate	9.819 \| good	38.837 \| good	5.939 \| good	1.005 \| good	31.276 \| good	0.871 \| good
2025-12-05T17:00:00.000Z	52 \| moderate	9.761 \| good	38.94 \| good	9.372 \| good	0.774 \| good	29.265 \| good	0.657 \| good
2025-12-05T18:00:00.000Z	44 \| good	7.768 \| good	34.639 \| good	13.595 \| good	0.598 \| good	25.427 \| good	0.416 \| good
2025-12-05T19:00:00.000Z	44 \| good	7.763 \| good	29.345 \| good	16.187 \| good	0.38 \| good	21.479 \| good	0.341 \| good
2025-12-05T20:00:00.000Z	38 \| good	6.511 \| good	37.872 \| good	21.473 \| good	0.268 \| good	18.969 \| good	0.313 \| good
2025-12-05T21:00:00.000Z	38 \| good	6.567 \| good	31.991 \| good	25.602 \| good	0.325 \| good	17.241 \| good	0.3 \| good
2025-12-05T22:00:00.000Z	33 \| good	6.356 \| good	34.95 \| good	28.678 \| good	0.232 \| good	17.47 \| good	0.354 \| good
2025-12-05T23:00:00.000Z	38 \| good	6.569 \| good	30.534 \| good	28.021 \| good	0.391 \| good	17.617 \| good	0.284 \| good
2025-12-06T00:00:00.000Z	28 \| good	5.159 \| good	23.8 \| good	30.336 \| good	0.488 \| good	20.685 \| good	0.331 \| good
2025-12-06T01:00:00.000Z	24 \| good	4.186 \| good	25.221 \| good	26.419 \| good	0.403 \| good	23.612 \| good	0.395 \| good
2025-12-06T02:00:00.000Z	31 \| good	4.623 \| good	27.384 \| good	19.579 \| good	0.321 \| good	32.557 \| good	0.523 \| good
2025-12-06T03:00:00.000Z	36 \| good	6.129 \| good	26.447 \| good	15.077 \| good	0.605 \| good	37.886 \| good	0.74 \| good
2025-12-06T04:00:00.000Z	49 \| good	9.332 \| good	34.954 \| good	11.299 \| good	0.953 \| good	38.646 \| good	0.843 \| good
2025-12-06T05:00:00.000Z	54 \| moderate	11.293 \| good	35.885 \| good	7.014 \| good	0.764 \| good	37.646 \| good	0.997 \| good
2025-12-06T06:00:00.000Z	58 \| moderate	12.578 \| fine	39.027 \| good	4.485 \| good	1.005 \| good	34.519 \| good	1.013 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	12.733 \| fine	34.862 \| good	4.417 \| good	1.003 \| good	34.519 \| good	1.01 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	13.878 \| fine	39.72 \| good	2.344 \| good	0.679 \| good	32.725 \| good	0.975 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	14.738 \| fine	42.042 \| good	3.1 \| good	0.594 \| good	30.46 \| good	0.872 \| good
2025-12-06T10:00:00.000Z	60 \| moderate	13.65 \| fine	41.755 \| good	2.849 \| good	0.727 \| good	29.019 \| good	0.8 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	13.444 \| fine	45.442 \| good	1.198 \| good	0.902 \| good	28.808 \| good	0.733 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	15.748 \| fine	46.941 \| good	1.879 \| good	0.725 \| good	28.447 \| good	0.748 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	13.655 \| fine	52.104 \| good	2.039 \| good	0.727 \| good	28.447 \| good	0.748 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	15.237 \| fine	55.676 \| fine	3.282 \| good	0.814 \| good	27.556 \| good	0.767 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	15.869 \| fine	56.989 \| fine	3.694 \| good	0.932 \| good	28.303 \| good	0.981 \| good
2025-12-06T16:00:00.000Z	62 \| moderate	15.007 \| fine	53.09 \| good	5.195 \| good	1.019 \| good	28.251 \| good	0.939 \| good
2025-12-06T17:00:00.000Z	60 \| moderate	13.876 \| fine	50.809 \| good	10.422 \| good	0.834 \| good	28.211 \| good	0.732 \| good
2025-12-06T18:00:00.000Z	54 \| moderate	11.146 \| good	42.111 \| good	17.105 \| good	0.683 \| good	23.28 \| good	0.508 \| good
2025-12-06T19:00:00.000Z	49 \| good	9.362 \| good	37.107 \| good	20.848 \| good	1.316 \| good	20.397 \| good	0.444 \| good
2025-12-06T20:00:00.000Z	49 \| good	8.89 \| good	40.719 \| good	25.287 \| good	1.01 \| good	17.313 \| good	0.43 \| good
2025-12-06T21:00:00.000Z	44 \| good	7.993 \| good	31.84 \| good	30.301 \| good	1.095 \| good	17.016 \| good	0.374 \| good
2025-12-06T22:00:00.000Z	33 \| good	5.811 \| good	24.854 \| good	32.586 \| good	0.373 \| good	12.635 \| good	0.3 \| good
2025-12-06T23:00:00.000Z	31 \| good	3.589 \| good	20.381 \| good	34.481 \| good	0.74 \| good	11.062 \| good	0.304 \| good
2025-12-07T00:00:00.000Z	32 \| good	4.978 \| good	22.024 \| good	34.812 \| good	0.792 \| good	11.796 \| good	0.304 \| good
2025-12-07T01:00:00.000Z	33 \| good	5.864 \| good	28.395 \| good	33.985 \| good	0.845 \| good	12.949 \| good	0.3 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.072 \| good	26.121 \| good	31.195 \| good	0.795 \| good	16.508 \| good	0.379 \| good
2025-12-07T03:00:00.000Z	44 \| good	7.662 \| good	34.972 \| good	25.391 \| good	0.769 \| good	19.482 \| good	0.504 \| good
2025-12-07T04:00:00.000Z	49 \| good	8.652 \| good	33.603 \| good	23.052 \| good	0.924 \| good	22.517 \| good	0.582 \| good
2025-12-07T05:00:00.000Z	62 \| moderate	15.483 \| fine	41.176 \| good	21.826 \| good	0.586 \| good	27.28 \| good	0.813 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	13.947 \| fine	35.882 \| good	14.889 \| good	0.876 \| good	29.567 \| good	1.103 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.93 \| fine	55.135 \| fine	14.237 \| good	0.88 \| good	29.567 \| good	1.103 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.286 \| fine	49.604 \| good	11.099 \| good	0.982 \| good	26.542 \| good	0.964 \| good
2025-12-07T09:00:00.000Z	62 \| moderate	15.42 \| fine	43.718 \| good	6.332 \| good	0.536 \| good	25.239 \| good	0.872 \| good
2025-12-07T10:00:00.000Z	67 \| moderate	17.503 \| fine	47.691 \| good	4.572 \| good	0.936 \| good	24.228 \| good	0.802 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	18.914 \| fine	46.393 \| good	3.721 \| good	0.932 \| good	24.228 \| good	0.807 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	19.512 \| fine	50.64 \| good	3.452 \| good	0.927 \| good	24.228 \| good	0.811 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	19.178 \| fine	34.486 \| good	2.792 \| good	0.932 \| good	24.812 \| good	0.572 \| good
2025-12-07T13:00:00.000Z	88 \| moderate	29.222 \| fine	126.751 \| fine	7.843 \| good	2.656 \| good	24.16 \| good	0.362 \| good
2025-12-07T14:00:00.000Z	88 \| moderate	29.05 \| fine	125.846 \| fine	1.929 \| good	2.607 \| good	23.977 \| good	0.353 \| good
2025-12-07T15:00:00.000Z	94 \| moderate	31.673 \| fine	136.563 \| fine	1.908 \| good	2.558 \| good	23.794 \| good	0.344 \| good
2025-12-07T16:00:00.000Z	96 \| moderate	33.081 \| fine	142.93 \| fine	5.029 \| good	2.715 \| good	22.519 \| good	0.341 \| good
2025-12-07T17:00:00.000Z	99 \| moderate	34.689 \| fine	149.764 \| fine	13.333 \| good	2.871 \| good	21.244 \| good	0.338 \| good
2025-12-07T18:00:00.000Z	94 \| moderate	32.018 \| fine	139.146 \| fine	20.137 \| good	3.027 \| good	19.969 \| good	0.335 \| good
2025-12-07T19:00:00.000Z	86 \| moderate	27.941 \| fine	121.349 \| fine	26.481 \| good	3.445 \| good	20.005 \| good	0.31 \| good
2025-12-07T20:00:00.000Z	81 \| moderate	24.896 \| fine	108.399 \| fine	34.891 \| good	3.863 \| good	20.041 \| good	0.284 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.277 \| fine	81.377 \| fine	39.238 \| good	4.281 \| good	20.077 \| good	0.259 \| good
2025-12-07T22:00:00.000Z	64 \| moderate	16.347 \| fine	72.907 \| fine	40.859 \| good	4.78 \| good	24.858 \| good	0.28 \| good
2025-12-07T23:00:00.000Z	62 \| moderate	15.074 \| fine	67.99 \| fine	37.407 \| good	5.28 \| good	29.639 \| good	0.301 \| good
2025-12-08T00:00:00.000Z	66 \| moderate	16.749 \| fine	73.907 \| fine	30.272 \| good	5.779 \| good	34.42 \| good	0.322 \| good
2025-12-08T01:00:00.000Z	75 \| moderate	22.321 \| fine	97.865 \| fine	26.515 \| good	5.853 \| good	38.21 \| good	0.399 \| good
2025-12-08T02:00:00.000Z	82 \| moderate	26.407 \| fine	114.355 \| fine	22.099 \| good	5.927 \| good	41.999 \| good	0.476 \| good
2025-12-08T03:00:00.000Z	90 \| moderate	29.55 \| fine	128.463 \| fine	14.693 \| good	6.001 \| good	45.789 \| good	0.553 \| good
2025-12-08T04:00:00.000Z	90 \| moderate	30.345 \| fine	131.183 \| fine	11.012 \| good	5.501 \| good	43.893 \| good	0.555 \| good
2025-12-08T05:00:00.000Z	88 \| moderate	28.674 \| fine	124.812 \| fine	8.581 \| good	5.001 \| good	41.997 \| good	0.558 \| good
2025-12-08T06:00:00.000Z	81 \| moderate	24.827 \| fine	108.727 \| fine	7.927 \| good	4.501 \| good	40.101 \| good	0.56 \| good
2025-12-08T07:00:00.000Z	79 \| moderate	23.79 \| fine	104.338 \| fine	7.593 \| good	3.934 \| good	38.346 \| good	0.504 \| good
2025-12-08T08:00:00.000Z	82 \| moderate	26.063 \| fine	113.921 \| fine	7.736 \| good	3.367 \| good	36.591 \| good	0.448 \| good
2025-12-08T09:00:00.000Z	86 \| moderate	28.116 \| fine	122.123 \| fine	7.005 \| good	2.801 \| good	34.836 \| good	0.392 \| good
2025-12-08T10:00:00.000Z	94 \| moderate	31.768 \| fine	138.011 \| fine	5.275 \| good	2.579 \| good	33.599 \| good	0.351 \| good
2025-12-08T11:00:00.000Z	110 \| sensitive	39.345 \| moderate	173.993 \| moderate	2.645 \| good	2.358 \| good	32.362 \| good	0.31 \| good
2025-12-08T12:00:00.000Z	117 \| sensitive	41.609 \| moderate	184.718 \| moderate	1.333 \| good	2.137 \| good	31.125 \| good	0.269 \| good
2025-12-08T13:00:00.000Z	122 \| sensitive	44.005 \| moderate	196.397 \| moderate	0.399 \| good	2.258 \| good	30.54 \| good	0.265 \| good
2025-12-08T14:00:00.000Z	110 \| sensitive	38.638 \| moderate	169.921 \| moderate	0.114 \| good	2.379 \| good	29.954 \| good	0.261 \| good
2025-12-08T15:00:00.000Z	110 \| sensitive	38.731 \| moderate	171.377 \| moderate	0.824 \| good	2.5 \| good	29.368 \| good	0.257 \| good
2025-12-08T16:00:00.000Z	102 \| sensitive	35.847 \| moderate	156.52 \| moderate	2.528 \| good	2.704 \| good	27.056 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	84 \| moderate	26.537 \| fine	115.442 \| fine	6.588 \| good	2.909 \| good	24.744 \| good	0.278 \| good
2025-12-08T18:00:00.000Z	58 \| moderate	13.209 \| fine	59.619 \| fine	18.116 \| good	3.113 \| good	22.432 \| good	0.289 \| good
2025-12-08T19:00:00.000Z	38 \| good	6.979 \| good	31.506 \| good	24.424 \| good	3.318 \| good	21.669 \| good	0.272 \| good
2025-12-08T20:00:00.000Z	33 \| good	5.513 \| good	23.84 \| good	28.617 \| good	3.524 \| good	20.905 \| good	0.255 \| good
2025-12-08T21:00:00.000Z	33 \| good	5.581 \| good	24.208 \| good	30.232 \| good	3.729 \| good	20.141 \| good	0.238 \| good
2025-12-08T22:00:00.000Z	38 \| good	7.44 \| good	32.717 \| good	30.155 \| good	3.991 \| good	24.082 \| good	0.253 \| good
2025-12-08T23:00:00.000Z	49 \| good	8.531 \| good	37.462 \| good	28.317 \| good	4.252 \| good	28.023 \| good	0.267 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.777 \| good	43.356 \| good	25.588 \| good	4.513 \| good	31.964 \| good	0.282 \| good
2025-12-09T01:00:00.000Z	54 \| moderate	11.367 \| good	50.509 \| good	17.454 \| good	4.406 \| good	33.686 \| good	0.322 \| good
2025-12-09T02:00:00.000Z	56 \| moderate	11.705 \| good	51.408 \| good	11.242 \| good	4.299 \| good	35.409 \| good	0.363 \| good
2025-12-09T03:00:00.000Z	67 \| moderate	18.413 \| fine	82.049 \| fine	3.012 \| good	4.193 \| good	37.131 \| good	0.404 \| good
2025-12-09T04:00:00.000Z	75 \| moderate	22.112 \| fine	96.617 \| fine	0.556 \| good	3.963 \| good	36.087 \| good	0.388 \| good
2025-12-09T05:00:00.000Z	73 \| moderate	20.571 \| fine	89.87 \| fine	0.235 \| good	3.733 \| good	35.044 \| good	0.372 \| good
2025-12-09T06:00:00.000Z	77 \| moderate	22.572 \| fine	22.932 \| good	3.477 \| good	3.514 \| good	34.095 \| good	0.358 \| good
2025-12-09T07:00:00.000Z	62 \| moderate	14.91 \| fine	66.181 \| fine	4.179 \| good	2.992 \| good	32.493 \| good	0.328 \| good
2025-12-09T08:00:00.000Z	56 \| moderate	12.286 \| fine	55.333 \| fine	3.015 \| good	2.482 \| good	30.985 \| good	0.299 \| good
2025-12-09T09:00:00.000Z	58 \| moderate	13.144 \| fine	59.108 \| fine	1.67 \| good	1.972 \| good	29.477 \| good	0.271 \| good
2025-12-09T10:00:00.000Z	54 \| moderate	10.919 \| good	48.248 \| good	1.561 \| good	1.761 \| good	26.19 \| good	0.243 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	12.394 \| fine	55.359 \| fine	1.881 \| good	1.55 \| good	22.904 \| good	0.215 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	10.47 \| good	10.896 \| good	11.474 \| good	1.362 \| good	20.674 \| good	0.194 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.72ppm

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 11:00:00 on 2025-12-07.

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

The best air quality in Fullerton, California was recorded at 11:00:00 on 2025-12-06.

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

The real-time air quality index in Fullerton, California is 69, 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 19.178 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 34.486 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.572 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.932 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 2.792 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 24.812 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T13:00:00.000Z	49 \| good	8.826 \| good	27.049 \| good	4.039 \| good	0.498 \| good	29.534 \| good	0.428 \| good
2025-12-05T14:00:00.000Z	49 \| good	8.858 \| good	28.425 \| good	3.516 \| good	0.595 \| good	29.847 \| good	0.621 \| good
2025-12-05T15:00:00.000Z	52 \| moderate	10.354 \| good	34.173 \| good	4.367 \| good	0.732 \| good	31.173 \| good	0.809 \| good
2025-12-05T16:00:00.000Z	52 \| moderate	9.819 \| good	38.837 \| good	5.939 \| good	1.005 \| good	31.276 \| good	0.871 \| good
2025-12-05T17:00:00.000Z	52 \| moderate	9.761 \| good	38.94 \| good	9.372 \| good	0.774 \| good	29.265 \| good	0.657 \| good
2025-12-05T18:00:00.000Z	44 \| good	7.768 \| good	34.639 \| good	13.595 \| good	0.598 \| good	25.427 \| good	0.416 \| good
2025-12-05T19:00:00.000Z	44 \| good	7.763 \| good	29.345 \| good	16.187 \| good	0.38 \| good	21.479 \| good	0.341 \| good
2025-12-05T20:00:00.000Z	38 \| good	6.511 \| good	37.872 \| good	21.473 \| good	0.268 \| good	18.969 \| good	0.313 \| good
2025-12-05T21:00:00.000Z	38 \| good	6.567 \| good	31.991 \| good	25.602 \| good	0.325 \| good	17.241 \| good	0.3 \| good
2025-12-05T22:00:00.000Z	33 \| good	6.356 \| good	34.95 \| good	28.678 \| good	0.232 \| good	17.47 \| good	0.354 \| good
2025-12-05T23:00:00.000Z	38 \| good	6.569 \| good	30.534 \| good	28.021 \| good	0.391 \| good	17.617 \| good	0.284 \| good
2025-12-06T00:00:00.000Z	28 \| good	5.159 \| good	23.8 \| good	30.336 \| good	0.488 \| good	20.685 \| good	0.331 \| good
2025-12-06T01:00:00.000Z	24 \| good	4.186 \| good	25.221 \| good	26.419 \| good	0.403 \| good	23.612 \| good	0.395 \| good
2025-12-06T02:00:00.000Z	31 \| good	4.623 \| good	27.384 \| good	19.579 \| good	0.321 \| good	32.557 \| good	0.523 \| good
2025-12-06T03:00:00.000Z	36 \| good	6.129 \| good	26.447 \| good	15.077 \| good	0.605 \| good	37.886 \| good	0.74 \| good
2025-12-06T04:00:00.000Z	49 \| good	9.332 \| good	34.954 \| good	11.299 \| good	0.953 \| good	38.646 \| good	0.843 \| good
2025-12-06T05:00:00.000Z	54 \| moderate	11.293 \| good	35.885 \| good	7.014 \| good	0.764 \| good	37.646 \| good	0.997 \| good
2025-12-06T06:00:00.000Z	58 \| moderate	12.578 \| fine	39.027 \| good	4.485 \| good	1.005 \| good	34.519 \| good	1.013 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	12.733 \| fine	34.862 \| good	4.417 \| good	1.003 \| good	34.519 \| good	1.01 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	13.878 \| fine	39.72 \| good	2.344 \| good	0.679 \| good	32.725 \| good	0.975 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	14.738 \| fine	42.042 \| good	3.1 \| good	0.594 \| good	30.46 \| good	0.872 \| good
2025-12-06T10:00:00.000Z	60 \| moderate	13.65 \| fine	41.755 \| good	2.849 \| good	0.727 \| good	29.019 \| good	0.8 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	13.444 \| fine	45.442 \| good	1.198 \| good	0.902 \| good	28.808 \| good	0.733 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	15.748 \| fine	46.941 \| good	1.879 \| good	0.725 \| good	28.447 \| good	0.748 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	13.655 \| fine	52.104 \| good	2.039 \| good	0.727 \| good	28.447 \| good	0.748 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	15.237 \| fine	55.676 \| fine	3.282 \| good	0.814 \| good	27.556 \| good	0.767 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	15.869 \| fine	56.989 \| fine	3.694 \| good	0.932 \| good	28.303 \| good	0.981 \| good
2025-12-06T16:00:00.000Z	62 \| moderate	15.007 \| fine	53.09 \| good	5.195 \| good	1.019 \| good	28.251 \| good	0.939 \| good
2025-12-06T17:00:00.000Z	60 \| moderate	13.876 \| fine	50.809 \| good	10.422 \| good	0.834 \| good	28.211 \| good	0.732 \| good
2025-12-06T18:00:00.000Z	54 \| moderate	11.146 \| good	42.111 \| good	17.105 \| good	0.683 \| good	23.28 \| good	0.508 \| good
2025-12-06T19:00:00.000Z	49 \| good	9.362 \| good	37.107 \| good	20.848 \| good	1.316 \| good	20.397 \| good	0.444 \| good
2025-12-06T20:00:00.000Z	49 \| good	8.89 \| good	40.719 \| good	25.287 \| good	1.01 \| good	17.313 \| good	0.43 \| good
2025-12-06T21:00:00.000Z	44 \| good	7.993 \| good	31.84 \| good	30.301 \| good	1.095 \| good	17.016 \| good	0.374 \| good
2025-12-06T22:00:00.000Z	33 \| good	5.811 \| good	24.854 \| good	32.586 \| good	0.373 \| good	12.635 \| good	0.3 \| good
2025-12-06T23:00:00.000Z	31 \| good	3.589 \| good	20.381 \| good	34.481 \| good	0.74 \| good	11.062 \| good	0.304 \| good
2025-12-07T00:00:00.000Z	32 \| good	4.978 \| good	22.024 \| good	34.812 \| good	0.792 \| good	11.796 \| good	0.304 \| good
2025-12-07T01:00:00.000Z	33 \| good	5.864 \| good	28.395 \| good	33.985 \| good	0.845 \| good	12.949 \| good	0.3 \| good
2025-12-07T02:00:00.000Z	33 \| good	6.072 \| good	26.121 \| good	31.195 \| good	0.795 \| good	16.508 \| good	0.379 \| good
2025-12-07T03:00:00.000Z	44 \| good	7.662 \| good	34.972 \| good	25.391 \| good	0.769 \| good	19.482 \| good	0.504 \| good
2025-12-07T04:00:00.000Z	49 \| good	8.652 \| good	33.603 \| good	23.052 \| good	0.924 \| good	22.517 \| good	0.582 \| good
2025-12-07T05:00:00.000Z	62 \| moderate	15.483 \| fine	41.176 \| good	21.826 \| good	0.586 \| good	27.28 \| good	0.813 \| good
2025-12-07T06:00:00.000Z	60 \| moderate	13.947 \| fine	35.882 \| good	14.889 \| good	0.876 \| good	29.567 \| good	1.103 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	15.93 \| fine	55.135 \| fine	14.237 \| good	0.88 \| good	29.567 \| good	1.103 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	16.286 \| fine	49.604 \| good	11.099 \| good	0.982 \| good	26.542 \| good	0.964 \| good
2025-12-07T09:00:00.000Z	62 \| moderate	15.42 \| fine	43.718 \| good	6.332 \| good	0.536 \| good	25.239 \| good	0.872 \| good
2025-12-07T10:00:00.000Z	67 \| moderate	17.503 \| fine	47.691 \| good	4.572 \| good	0.936 \| good	24.228 \| good	0.802 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	18.914 \| fine	46.393 \| good	3.721 \| good	0.932 \| good	24.228 \| good	0.807 \| good
2025-12-07T12:00:00.000Z	71 \| moderate	19.512 \| fine	50.64 \| good	3.452 \| good	0.927 \| good	24.228 \| good	0.811 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	19.178 \| fine	34.486 \| good	2.792 \| good	0.932 \| good	24.812 \| good	0.572 \| good
2025-12-07T13:00:00.000Z	88 \| moderate	29.222 \| fine	126.751 \| fine	7.843 \| good	2.656 \| good	24.16 \| good	0.362 \| good
2025-12-07T14:00:00.000Z	88 \| moderate	29.05 \| fine	125.846 \| fine	1.929 \| good	2.607 \| good	23.977 \| good	0.353 \| good
2025-12-07T15:00:00.000Z	94 \| moderate	31.673 \| fine	136.563 \| fine	1.908 \| good	2.558 \| good	23.794 \| good	0.344 \| good
2025-12-07T16:00:00.000Z	96 \| moderate	33.081 \| fine	142.93 \| fine	5.029 \| good	2.715 \| good	22.519 \| good	0.341 \| good
2025-12-07T17:00:00.000Z	99 \| moderate	34.689 \| fine	149.764 \| fine	13.333 \| good	2.871 \| good	21.244 \| good	0.338 \| good
2025-12-07T18:00:00.000Z	94 \| moderate	32.018 \| fine	139.146 \| fine	20.137 \| good	3.027 \| good	19.969 \| good	0.335 \| good
2025-12-07T19:00:00.000Z	86 \| moderate	27.941 \| fine	121.349 \| fine	26.481 \| good	3.445 \| good	20.005 \| good	0.31 \| good
2025-12-07T20:00:00.000Z	81 \| moderate	24.896 \| fine	108.399 \| fine	34.891 \| good	3.863 \| good	20.041 \| good	0.284 \| good
2025-12-07T21:00:00.000Z	67 \| moderate	18.277 \| fine	81.377 \| fine	39.238 \| good	4.281 \| good	20.077 \| good	0.259 \| good
2025-12-07T22:00:00.000Z	64 \| moderate	16.347 \| fine	72.907 \| fine	40.859 \| good	4.78 \| good	24.858 \| good	0.28 \| good
2025-12-07T23:00:00.000Z	62 \| moderate	15.074 \| fine	67.99 \| fine	37.407 \| good	5.28 \| good	29.639 \| good	0.301 \| good
2025-12-08T00:00:00.000Z	66 \| moderate	16.749 \| fine	73.907 \| fine	30.272 \| good	5.779 \| good	34.42 \| good	0.322 \| good
2025-12-08T01:00:00.000Z	75 \| moderate	22.321 \| fine	97.865 \| fine	26.515 \| good	5.853 \| good	38.21 \| good	0.399 \| good
2025-12-08T02:00:00.000Z	82 \| moderate	26.407 \| fine	114.355 \| fine	22.099 \| good	5.927 \| good	41.999 \| good	0.476 \| good
2025-12-08T03:00:00.000Z	90 \| moderate	29.55 \| fine	128.463 \| fine	14.693 \| good	6.001 \| good	45.789 \| good	0.553 \| good
2025-12-08T04:00:00.000Z	90 \| moderate	30.345 \| fine	131.183 \| fine	11.012 \| good	5.501 \| good	43.893 \| good	0.555 \| good
2025-12-08T05:00:00.000Z	88 \| moderate	28.674 \| fine	124.812 \| fine	8.581 \| good	5.001 \| good	41.997 \| good	0.558 \| good
2025-12-08T06:00:00.000Z	81 \| moderate	24.827 \| fine	108.727 \| fine	7.927 \| good	4.501 \| good	40.101 \| good	0.56 \| good
2025-12-08T07:00:00.000Z	79 \| moderate	23.79 \| fine	104.338 \| fine	7.593 \| good	3.934 \| good	38.346 \| good	0.504 \| good
2025-12-08T08:00:00.000Z	82 \| moderate	26.063 \| fine	113.921 \| fine	7.736 \| good	3.367 \| good	36.591 \| good	0.448 \| good
2025-12-08T09:00:00.000Z	86 \| moderate	28.116 \| fine	122.123 \| fine	7.005 \| good	2.801 \| good	34.836 \| good	0.392 \| good
2025-12-08T10:00:00.000Z	94 \| moderate	31.768 \| fine	138.011 \| fine	5.275 \| good	2.579 \| good	33.599 \| good	0.351 \| good
2025-12-08T11:00:00.000Z	110 \| sensitive	39.345 \| moderate	173.993 \| moderate	2.645 \| good	2.358 \| good	32.362 \| good	0.31 \| good
2025-12-08T12:00:00.000Z	117 \| sensitive	41.609 \| moderate	184.718 \| moderate	1.333 \| good	2.137 \| good	31.125 \| good	0.269 \| good
2025-12-08T13:00:00.000Z	122 \| sensitive	44.005 \| moderate	196.397 \| moderate	0.399 \| good	2.258 \| good	30.54 \| good	0.265 \| good
2025-12-08T14:00:00.000Z	110 \| sensitive	38.638 \| moderate	169.921 \| moderate	0.114 \| good	2.379 \| good	29.954 \| good	0.261 \| good
2025-12-08T15:00:00.000Z	110 \| sensitive	38.731 \| moderate	171.377 \| moderate	0.824 \| good	2.5 \| good	29.368 \| good	0.257 \| good
2025-12-08T16:00:00.000Z	102 \| sensitive	35.847 \| moderate	156.52 \| moderate	2.528 \| good	2.704 \| good	27.056 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	84 \| moderate	26.537 \| fine	115.442 \| fine	6.588 \| good	2.909 \| good	24.744 \| good	0.278 \| good
2025-12-08T18:00:00.000Z	58 \| moderate	13.209 \| fine	59.619 \| fine	18.116 \| good	3.113 \| good	22.432 \| good	0.289 \| good
2025-12-08T19:00:00.000Z	38 \| good	6.979 \| good	31.506 \| good	24.424 \| good	3.318 \| good	21.669 \| good	0.272 \| good
2025-12-08T20:00:00.000Z	33 \| good	5.513 \| good	23.84 \| good	28.617 \| good	3.524 \| good	20.905 \| good	0.255 \| good
2025-12-08T21:00:00.000Z	33 \| good	5.581 \| good	24.208 \| good	30.232 \| good	3.729 \| good	20.141 \| good	0.238 \| good
2025-12-08T22:00:00.000Z	38 \| good	7.44 \| good	32.717 \| good	30.155 \| good	3.991 \| good	24.082 \| good	0.253 \| good
2025-12-08T23:00:00.000Z	49 \| good	8.531 \| good	37.462 \| good	28.317 \| good	4.252 \| good	28.023 \| good	0.267 \| good
2025-12-09T00:00:00.000Z	52 \| moderate	9.777 \| good	43.356 \| good	25.588 \| good	4.513 \| good	31.964 \| good	0.282 \| good
2025-12-09T01:00:00.000Z	54 \| moderate	11.367 \| good	50.509 \| good	17.454 \| good	4.406 \| good	33.686 \| good	0.322 \| good
2025-12-09T02:00:00.000Z	56 \| moderate	11.705 \| good	51.408 \| good	11.242 \| good	4.299 \| good	35.409 \| good	0.363 \| good
2025-12-09T03:00:00.000Z	67 \| moderate	18.413 \| fine	82.049 \| fine	3.012 \| good	4.193 \| good	37.131 \| good	0.404 \| good
2025-12-09T04:00:00.000Z	75 \| moderate	22.112 \| fine	96.617 \| fine	0.556 \| good	3.963 \| good	36.087 \| good	0.388 \| good
2025-12-09T05:00:00.000Z	73 \| moderate	20.571 \| fine	89.87 \| fine	0.235 \| good	3.733 \| good	35.044 \| good	0.372 \| good
2025-12-09T06:00:00.000Z	77 \| moderate	22.572 \| fine	22.932 \| good	3.477 \| good	3.514 \| good	34.095 \| good	0.358 \| good
2025-12-09T07:00:00.000Z	62 \| moderate	14.91 \| fine	66.181 \| fine	4.179 \| good	2.992 \| good	32.493 \| good	0.328 \| good
2025-12-09T08:00:00.000Z	56 \| moderate	12.286 \| fine	55.333 \| fine	3.015 \| good	2.482 \| good	30.985 \| good	0.299 \| good
2025-12-09T09:00:00.000Z	58 \| moderate	13.144 \| fine	59.108 \| fine	1.67 \| good	1.972 \| good	29.477 \| good	0.271 \| good
2025-12-09T10:00:00.000Z	54 \| moderate	10.919 \| good	48.248 \| good	1.561 \| good	1.761 \| good	26.19 \| good	0.243 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	12.394 \| fine	55.359 \| fine	1.881 \| good	1.55 \| good	22.904 \| good	0.215 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	10.47 \| good	10.896 \| good	11.474 \| good	1.362 \| good	20.674 \| good	0.194 \| 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

Anaheim, California

Brea, California

Placentia, California

Buena Park, California

La Habra, California

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?