What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 32.341 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.68 ppb.

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

The current ozone (O3) levels at Fullerton, California is 14.131 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 24.188 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 13.054 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)

13.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.34 μg/m³

155

255

425

605+

Ozone (O₃)

14.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.68 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.19 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.65 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
2026-03-15T11:00:00.000Z	52 \| moderate	10.295 \| good	28.657 \| good	23.917 \| good	0.543 \| good	5.41 \| good	0.374 \| good
2026-03-15T12:00:00.000Z	56 \| moderate	12.222 \| fine	33.163 \| good	23.997 \| good	0.539 \| good	5.951 \| good	0.369 \| good
2026-03-15T13:00:00.000Z	56 \| moderate	11.936 \| good	29.472 \| good	23.317 \| good	0.538 \| good	5.951 \| good	0.369 \| good
2026-03-15T14:00:00.000Z	58 \| moderate	12.822 \| fine	25.865 \| good	26.292 \| good	0.543 \| good	6.053 \| good	0.432 \| good
2026-03-15T15:00:00.000Z	60 \| moderate	13.701 \| fine	26.597 \| good	26.308 \| good	0.605 \| good	6.049 \| good	0.439 \| good
2026-03-15T16:00:00.000Z	58 \| moderate	13.282 \| fine	33.389 \| good	32.134 \| good	0.668 \| good	7.16 \| good	0.457 \| good
2026-03-15T17:00:00.000Z	64 \| moderate	15.894 \| fine	36.208 \| good	33.624 \| good	0.667 \| good	7.164 \| good	0.529 \| good
2026-03-15T18:00:00.000Z	66 \| moderate	17.22 \| fine	38.236 \| good	36.717 \| good	0.672 \| good	8.02 \| good	0.593 \| good
2026-03-15T19:00:00.000Z	64 \| moderate	15.867 \| fine	36.448 \| good	39.834 \| good	0.687 \| good	7.902 \| good	0.512 \| good
2026-03-15T20:00:00.000Z	62 \| moderate	15.366 \| fine	41.713 \| good	43.481 \| good	0.387 \| good	7.008 \| good	0.507 \| good
2026-03-15T21:00:00.000Z	60 \| moderate	14.338 \| fine	33.07 \| good	47.543 \| good	0.614 \| good	6.484 \| good	0.501 \| good
2026-03-15T22:00:00.000Z	60 \| moderate	13.882 \| fine	34.996 \| good	52.469 \| good	0.51 \| good	6.866 \| good	0.503 \| good
2026-03-15T23:00:00.000Z	62 \| moderate	14.978 \| fine	36.179 \| good	54.671 \| good	0.556 \| good	8.366 \| good	0.503 \| good
2026-03-16T00:00:00.000Z	60 \| moderate	13.689 \| fine	33.737 \| good	51.128 \| good	0.567 \| good	8.424 \| good	0.495 \| good
2026-03-16T01:00:00.000Z	60 \| moderate	13.956 \| fine	36.592 \| good	47.127 \| good	0.828 \| good	9.661 \| good	0.501 \| good
2026-03-16T02:00:00.000Z	60 \| moderate	14.032 \| fine	32.247 \| good	48.962 \| good	0.728 \| good	10.076 \| good	0.503 \| good
2026-03-16T03:00:00.000Z	60 \| moderate	13.668 \| fine	32.083 \| good	42.959 \| good	0.818 \| good	12.035 \| good	0.519 \| good
2026-03-16T04:00:00.000Z	58 \| moderate	12.631 \| fine	33.894 \| good	36.274 \| good	0.752 \| good	11.438 \| good	0.607 \| good
2026-03-16T05:00:00.000Z	54 \| moderate	11.354 \| good	33.15 \| good	32.62 \| good	0.756 \| good	12.731 \| good	0.53 \| good
2026-03-16T06:00:00.000Z	54 \| moderate	11.271 \| good	33.29 \| good	33.441 \| good	0.618 \| good	11.462 \| good	0.682 \| good
2026-03-16T07:00:00.000Z	54 \| moderate	11.367 \| good	34.219 \| good	34.011 \| good	0.629 \| good	11.462 \| good	0.681 \| good
2026-03-16T08:00:00.000Z	54 \| moderate	10.716 \| good	38.167 \| good	32.985 \| good	0.685 \| good	8.657 \| good	0.475 \| good
2026-03-16T09:00:00.000Z	52 \| moderate	10.384 \| good	32.898 \| good	26.41 \| good	0.594 \| good	8.417 \| good	0.456 \| good
2026-03-16T10:00:00.000Z	49 \| good	9.225 \| good	28.021 \| good	25.883 \| good	0.494 \| good	8.534 \| good	0.381 \| good
2026-03-16T11:00:00.000Z	49 \| good	9.168 \| good	29.964 \| good	21.361 \| good	0.648 \| good	10.434 \| good	0.451 \| good
2026-03-16T12:00:00.000Z	52 \| moderate	9.544 \| good	28.662 \| good	19.113 \| good	0.641 \| good	9.632 \| good	0.471 \| good
2026-03-16T13:00:00.000Z	54 \| moderate	11.467 \| good	34.474 \| good	19.583 \| good	0.644 \| good	9.632 \| good	0.471 \| good
2026-03-16T14:00:00.000Z	49 \| good	9.022 \| good	24.702 \| good	10.249 \| good	0.548 \| good	18.287 \| good	0.527 \| good
2026-03-16T15:00:00.000Z	61 \| moderate	12.516 \| fine	74.728 \| fine	9.347 \| good	0.699 \| good	19.626 \| good	0.75 \| good
2026-03-16T16:00:00.000Z	60 \| moderate	14.411 \| fine	65.285 \| fine	13.169 \| good	0.551 \| good	19.277 \| good	0.883 \| good
2026-03-16T17:00:00.000Z	66 \| moderate	16.675 \| fine	50.646 \| good	21.088 \| good	0.722 \| good	19.029 \| good	0.757 \| good
2026-03-16T18:00:00.000Z	69 \| moderate	19.257 \| fine	56.276 \| fine	23.528 \| good	0.593 \| good	19.945 \| good	0.761 \| good
2026-03-16T19:00:00.000Z	67 \| moderate	18.271 \| fine	88.412 \| fine	27.392 \| good	0.597 \| good	22.261 \| good	0.726 \| good
2026-03-16T20:00:00.000Z	85 \| moderate	20.526 \| fine	124.318 \| fine	34.002 \| good	0.559 \| good	24.421 \| good	0.682 \| good
2026-03-16T21:00:00.000Z	71 \| moderate	20.208 \| fine	76.931 \| fine	43.25 \| good	0.62 \| good	24.501 \| good	0.64 \| good
2026-03-16T22:00:00.000Z	69 \| moderate	19.42 \| fine	67.355 \| fine	48.824 \| good	0.747 \| good	22.404 \| good	0.633 \| good
2026-03-16T23:00:00.000Z	67 \| moderate	17.596 \| fine	57.244 \| fine	55.574 \| fine	0.988 \| good	19.865 \| good	0.563 \| good
2026-03-17T00:00:00.000Z	60 \| moderate	13.873 \| fine	50.297 \| good	56.031 \| fine	0.969 \| good	18.883 \| good	0.545 \| good
2026-03-17T01:00:00.000Z	52 \| moderate	10.137 \| good	35.192 \| good	54.488 \| good	1.056 \| good	18.862 \| good	0.563 \| good
2026-03-17T02:00:00.000Z	49 \| good	8.791 \| good	34.866 \| good	51.539 \| good	0.994 \| good	18.977 \| good	0.552 \| good
2026-03-17T03:00:00.000Z	49 \| good	9.137 \| good	40.591 \| good	31.862 \| good	4.586 \| good	39.686 \| good	0.305 \| good
2026-03-17T04:00:00.000Z	44 \| good	8.095 \| good	29.397 \| good	40.502 \| good	1.033 \| good	21.763 \| good	0.597 \| good
2026-03-17T05:00:00.000Z	52 \| moderate	10.385 \| good	34.616 \| good	40.618 \| good	1.088 \| good	25.77 \| good	0.778 \| good
2026-03-17T06:00:00.000Z	54 \| moderate	11.303 \| good	33.292 \| good	27.472 \| good	0.988 \| good	27.249 \| good	0.833 \| good
2026-03-17T07:00:00.000Z	56 \| moderate	12.412 \| fine	34.837 \| good	26.491 \| good	0.919 \| good	27.249 \| good	0.856 \| good
2026-03-17T08:00:00.000Z	58 \| moderate	12.736 \| fine	33.834 \| good	17.66 \| good	0.738 \| good	23.295 \| good	0.664 \| good
2026-03-17T09:00:00.000Z	58 \| moderate	13.054 \| fine	32.341 \| good	14.131 \| good	0.68 \| good	24.188 \| good	0.654 \| good
2026-03-17T10:00:00.000Z	58 \| moderate	13.054 \| fine	32.341 \| good	14.131 \| good	0.68 \| good	24.188 \| good	0.654 \| good
2026-03-17T11:00:00.000Z	62 \| moderate	15.044 \| fine	67.043 \| fine	3.871 \| good	2.823 \| good	24.943 \| good	0.288 \| good
2026-03-17T12:00:00.000Z	66 \| moderate	17.466 \| fine	77.712 \| fine	3.585 \| good	2.442 \| good	21.727 \| good	0.254 \| good
2026-03-17T13:00:00.000Z	66 \| moderate	16.768 \| fine	74.463 \| fine	2.188 \| good	2.447 \| good	20.675 \| good	0.245 \| good
2026-03-17T14:00:00.000Z	69 \| moderate	19.144 \| fine	84.552 \| fine	2.669 \| good	2.451 \| good	19.622 \| good	0.236 \| good
2026-03-17T15:00:00.000Z	75 \| moderate	21.923 \| fine	96.728 \| fine	4.158 \| good	2.456 \| good	18.57 \| good	0.226 \| good
2026-03-17T16:00:00.000Z	75 \| moderate	21.549 \| fine	94.113 \| fine	12.692 \| good	2.681 \| good	17.905 \| good	0.226 \| good
2026-03-17T17:00:00.000Z	69 \| moderate	18.549 \| fine	82.072 \| fine	26.656 \| good	2.906 \| good	17.24 \| good	0.225 \| good
2026-03-17T18:00:00.000Z	73 \| moderate	20.907 \| fine	91.711 \| fine	38.685 \| good	3.131 \| good	16.575 \| good	0.224 \| good
2026-03-17T19:00:00.000Z	75 \| moderate	21.619 \| fine	94.909 \| fine	51.666 \| good	3.254 \| good	15.673 \| good	0.214 \| good
2026-03-17T20:00:00.000Z	80 \| moderate	24.182 \| fine	105.701 \| fine	63.722 \| fine	3.377 \| good	14.772 \| good	0.205 \| good
2026-03-17T21:00:00.000Z	100 \| moderate	16.329 \| fine	72.336 \| fine	70.183 \| fine	3.501 \| good	13.87 \| good	0.195 \| good
2026-03-17T22:00:00.000Z	93 \| moderate	15.771 \| fine	70.217 \| fine	68.023 \| fine	3.89 \| good	15.783 \| good	0.203 \| good
2026-03-17T23:00:00.000Z	64 \| moderate	14.063 \| fine	63.308 \| fine	58.788 \| fine	4.279 \| good	17.696 \| good	0.212 \| good
2026-03-18T00:00:00.000Z	60 \| moderate	13.652 \| fine	61.289 \| fine	53.986 \| good	4.668 \| good	19.609 \| good	0.22 \| good
2026-03-18T01:00:00.000Z	54 \| moderate	11.267 \| good	50.15 \| good	49.39 \| good	4.67 \| good	25.77 \| good	0.243 \| good
2026-03-18T02:00:00.000Z	64 \| moderate	16.368 \| fine	72.996 \| fine	44.808 \| good	4.672 \| good	31.931 \| good	0.266 \| good
2026-03-18T03:00:00.000Z	69 \| moderate	18.806 \| fine	82.502 \| fine	35.814 \| good	4.674 \| good	38.092 \| good	0.288 \| good
2026-03-18T04:00:00.000Z	75 \| moderate	22.492 \| fine	98.436 \| fine	26.719 \| good	4.838 \| good	39.591 \| good	0.319 \| good
2026-03-18T05:00:00.000Z	77 \| moderate	23.079 \| fine	100.998 \| fine	18.581 \| good	5.001 \| good	41.09 \| good	0.349 \| good
2026-03-18T06:00:00.000Z	81 \| moderate	25.422 \| fine	110.855 \| fine	12.752 \| good	5.165 \| good	42.588 \| good	0.38 \| good
2026-03-18T07:00:00.000Z	82 \| moderate	25.584 \| fine	111.231 \| fine	11.613 \| good	4.737 \| good	40.068 \| good	0.376 \| good
2026-03-18T08:00:00.000Z	90 \| moderate	29.934 \| fine	130.007 \| fine	11.076 \| good	4.308 \| good	37.549 \| good	0.372 \| good
2026-03-18T09:00:00.000Z	94 \| moderate	32.359 \| fine	140.376 \| fine	9.662 \| good	3.88 \| good	35.029 \| good	0.368 \| good
2026-03-18T10:00:00.000Z	92 \| moderate	30.732 \| fine	133.358 \| fine	6.277 \| good	3.494 \| good	32.646 \| good	0.343 \| good
2026-03-18T11:00:00.000Z	97 \| moderate	34.069 \| fine	147.852 \| fine	4.144 \| good	3.109 \| good	30.262 \| good	0.318 \| good
2026-03-18T12:00:00.000Z	102 \| sensitive	35.528 \| moderate	155.149 \| moderate	2.34 \| good	2.724 \| good	27.879 \| good	0.293 \| good
2026-03-18T13:00:00.000Z	99 \| moderate	34.647 \| fine	150.322 \| fine	1.243 \| good	2.619 \| good	26.451 \| good	0.294 \| good
2026-03-18T14:00:00.000Z	123 \| sensitive	44.398 \| moderate	198.969 \| moderate	1.92 \| good	2.513 \| good	25.022 \| good	0.295 \| good
2026-03-18T15:00:00.000Z	132 \| sensitive	47.887 \| moderate	215.897 \| moderate	4.446 \| good	2.408 \| good	23.594 \| good	0.296 \| good
2026-03-18T16:00:00.000Z	144 \| sensitive	52.919 \| moderate	239.888 \| moderate	17.34 \| good	2.856 \| good	22.392 \| good	0.283 \| good
2026-03-18T17:00:00.000Z	99 \| moderate	34.902 \| fine	152.122 \| fine	34.381 \| good	3.305 \| good	21.189 \| good	0.271 \| good
2026-03-18T18:00:00.000Z	71 \| moderate	20.387 \| fine	89.24 \| fine	53.25 \| good	3.753 \| good	19.986 \| good	0.258 \| good
2026-03-18T19:00:00.000Z	93 \| moderate	21.326 \| fine	93.677 \| fine	67.779 \| fine	4.176 \| good	19.783 \| good	0.256 \| good
2026-03-18T20:00:00.000Z	119 \| sensitive	18.951 \| fine	83.925 \| fine	76.309 \| moderate	4.599 \| good	19.579 \| good	0.255 \| good
2026-03-18T21:00:00.000Z	126 \| sensitive	14.436 \| fine	64.308 \| fine	77.674 \| moderate	5.021 \| good	19.376 \| good	0.253 \| good
2026-03-18T22:00:00.000Z	108 \| sensitive	12.463 \| fine	55.72 \| fine	73.415 \| moderate	5.525 \| good	20.157 \| good	0.251 \| good
2026-03-18T23:00:00.000Z	93 \| moderate	11.706 \| good	52.367 \| good	68.441 \| fine	6.028 \| good	20.937 \| good	0.248 \| good
2026-03-19T00:00:00.000Z	87 \| moderate	13.108 \| fine	59.365 \| fine	65.506 \| fine	6.532 \| good	21.718 \| good	0.246 \| good
2026-03-19T01:00:00.000Z	64 \| moderate	14.887 \| fine	66.556 \| fine	58.979 \| fine	6.723 \| good	30.117 \| good	0.278 \| good
2026-03-19T02:00:00.000Z	66 \| moderate	17.442 \| fine	77.437 \| fine	50.696 \| good	6.915 \| good	38.516 \| good	0.31 \| good
2026-03-19T03:00:00.000Z	62 \| moderate	14.862 \| fine	66.378 \| fine	35.695 \| good	7.106 \| good	46.915 \| good	0.342 \| good
2026-03-19T04:00:00.000Z	64 \| moderate	15.627 \| fine	69.658 \| fine	26.897 \| good	6.978 \| good	47.083 \| good	0.359 \| good
2026-03-19T05:00:00.000Z	58 \| moderate	13.312 \| fine	60.359 \| fine	20.49 \| good	6.85 \| good	47.252 \| good	0.376 \| good
2026-03-19T06:00:00.000Z	90 \| moderate	30.174 \| fine	32.535 \| good	7.999 \| good	6.84 \| good	48.107 \| good	0.399 \| good
2026-03-19T07:00:00.000Z	67 \| moderate	17.796 \| fine	78.401 \| fine	11.642 \| good	6.529 \| good	45.388 \| good	0.396 \| good
2026-03-19T08:00:00.000Z	71 \| moderate	20.384 \| fine	89.352 \| fine	12.081 \| good	6.335 \| good	43.354 \| good	0.398 \| good
2026-03-19T09:00:00.000Z	69 \| moderate	19.017 \| fine	83.443 \| fine	12.188 \| good	6.142 \| good	41.321 \| good	0.4 \| good
2026-03-19T10:00:00.000Z	73 \| moderate	21.35 \| fine	93.619 \| fine	7.421 \| good	5.496 \| good	38.575 \| good	0.38 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.62ppm

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 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 08:00:00 on 2026-03-16.

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

The best air quality in Fullerton, California was recorded at 04:00:00 on 2026-03-17.

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

The real-time air quality index in Fullerton, California is 58, 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 13.054 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 32.341 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.654 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.68 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 14.131 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 24.188 ppb.

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