What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 9.457 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.298 ppb.

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

The current ozone (O3) levels at Fullerton, California is 41.145 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 4.196 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 2.207 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)

2.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.46 μg/m³

155

255

425

605+

Ozone (O₃)

41.15 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.42 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-10-21T01:00:00.000Z	39 \| good	5.986 \| good	37.521 \| good	41.678 \| good	0.375 \| good	6.023 \| good	0.431 \| good
2026-10-21T02:00:00.000Z	34 \| good	5.966 \| good	32.792 \| good	36.512 \| good	0.366 \| good	6.943 \| good	0.471 \| good
2026-10-21T03:00:00.000Z	27 \| good	5.238 \| good	22.85 \| good	26.58 \| good	0.858 \| good	9.637 \| good	0.15 \| good
2026-10-21T04:00:00.000Z	28 \| good	5.102 \| good	21.334 \| good	29.646 \| good	0.361 \| good	6.602 \| good	0.338 \| good
2026-10-21T05:00:00.000Z	28 \| good	4.202 \| good	25.023 \| good	29.819 \| good	0.7 \| good	7.594 \| good	0.347 \| good
2026-10-21T06:00:00.000Z	25 \| good	4.101 \| good	21.711 \| good	26.549 \| good	0.344 \| good	7.773 \| good	0.304 \| good
2026-10-21T07:00:00.000Z	25 \| good	4.018 \| good	23.212 \| good	27.18 \| good	0.345 \| good	7.773 \| good	0.304 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.398 \| good	26.703 \| good	26.141 \| good	0.336 \| good	9.044 \| good	0.359 \| good
2026-10-21T09:00:00.000Z	27 \| good	5.133 \| good	23.91 \| good	21.474 \| good	0.438 \| good	8.307 \| good	0.291 \| good
2026-10-21T10:00:00.000Z	27 \| good	4.795 \| good	23.708 \| good	16.25 \| good	0.381 \| good	10.618 \| good	0.311 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.719 \| good	23.585 \| good	15.191 \| good	0.391 \| good	12.12 \| good	0.336 \| good
2026-10-21T12:00:00.000Z	27 \| good	4.58 \| good	20.253 \| good	11.984 \| good	0.43 \| good	13.43 \| good	0.343 \| good
2026-10-21T13:00:00.000Z	27 \| good	5.4 \| good	22.296 \| good	12.073 \| good	0.43 \| good	13.43 \| good	0.343 \| good
2026-10-21T14:00:00.000Z	33 \| good	6.08 \| good	29.331 \| good	7.857 \| good	0.431 \| good	17.427 \| good	0.584 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.556 \| good	33.745 \| good	10.189 \| good	0.532 \| good	18.883 \| good	0.662 \| good
2026-10-21T16:00:00.000Z	54 \| moderate	10.889 \| good	40.029 \| good	14.747 \| good	0.532 \| good	16.999 \| good	0.652 \| good
2026-10-21T17:00:00.000Z	52 \| moderate	9.913 \| good	36.024 \| good	15.715 \| good	0.532 \| good	17.744 \| good	0.529 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.265 \| good	39.783 \| good	22.111 \| good	0.396 \| good	14.995 \| good	0.487 \| good
2026-10-21T19:00:00.000Z	44 \| good	7.845 \| good	34.018 \| good	28.839 \| good	0.545 \| good	7.467 \| good	0.391 \| good
2026-10-21T20:00:00.000Z	40 \| good	5.872 \| good	43.399 \| good	31.508 \| good	0.478 \| good	7.301 \| good	0.371 \| good
2026-10-21T21:00:00.000Z	43 \| good	6.69 \| good	45.521 \| good	33.859 \| good	0.535 \| good	8.453 \| good	0.383 \| good
2026-10-21T22:00:00.000Z	44 \| good	6.264 \| good	46.739 \| good	32.279 \| good	0.466 \| good	9.732 \| good	0.363 \| good
2026-10-21T23:00:00.000Z	28 \| good	4.718 \| good	27.359 \| good	29.532 \| good	0.405 \| good	11.136 \| good	0.391 \| good
2026-10-22T00:00:00.000Z	29 \| good	4.573 \| good	24.358 \| good	30.859 \| good	0.42 \| good	10.322 \| good	0.371 \| good
2026-10-22T01:00:00.000Z	33 \| good	5.984 \| good	25.549 \| good	28.164 \| good	0.391 \| good	13.307 \| good	0.482 \| good
2026-10-22T02:00:00.000Z	33 \| good	6.149 \| good	25.75 \| good	26.785 \| good	0.418 \| good	12.789 \| good	0.475 \| good
2026-10-22T03:00:00.000Z	35 \| good	3.927 \| good	17.278 \| good	37.505 \| good	0.457 \| good	12.003 \| good	0.133 \| good
2026-10-22T04:00:00.000Z	38 \| good	7.219 \| good	19.691 \| good	25.504 \| good	0.352 \| good	5.959 \| good	0.327 \| good
2026-10-22T05:00:00.000Z	24 \| good	3.746 \| good	15.686 \| good	26.25 \| good	0.628 \| good	4.576 \| good	0.311 \| good
2026-10-22T06:00:00.000Z	23 \| good	4.063 \| good	11.865 \| good	25.258 \| good	0.244 \| good	4.417 \| good	0.351 \| good
2026-10-22T07:00:00.000Z	24 \| good	3.711 \| good	14.09 \| good	25.743 \| good	0.244 \| good	4.417 \| good	0.351 \| good
2026-10-22T08:00:00.000Z	21 \| good	3.141 \| good	12.422 \| good	23.391 \| good	0.294 \| good	2.676 \| good	0.233 \| good
2026-10-22T09:00:00.000Z	20 \| good	1.652 \| good	8.964 \| good	22.248 \| good	0.379 \| good	2.763 \| good	0.211 \| good
2026-10-22T10:00:00.000Z	20 \| good	1.731 \| good	9.24 \| good	22.009 \| good	0.294 \| good	4.954 \| good	0.211 \| good
2026-10-22T11:00:00.000Z	16 \| good	1.858 \| good	10.495 \| good	16.666 \| good	0.354 \| good	6.403 \| good	0.264 \| good
2026-10-22T12:00:00.000Z	16 \| good	1.253 \| good	8.85 \| good	17.209 \| good	0.294 \| good	7.749 \| good	0.327 \| good
2026-10-22T13:00:00.000Z	16 \| good	1.311 \| good	10.55 \| good	17.379 \| good	0.294 \| good	7.749 \| good	0.327 \| good
2026-10-22T14:00:00.000Z	14 \| good	1.901 \| good	7.486 \| good	15.18 \| good	0.294 \| good	14.836 \| good	0.512 \| good
2026-10-22T15:00:00.000Z	16 \| good	3.029 \| good	8.896 \| good	15.862 \| good	0.25 \| good	17.242 \| good	0.613 \| good
2026-10-22T16:00:00.000Z	19 \| good	2.819 \| good	10.507 \| good	20.305 \| good	0.352 \| good	14.195 \| good	0.606 \| good
2026-10-22T17:00:00.000Z	23 \| good	3.088 \| good	15.42 \| good	24.798 \| good	0.312 \| good	7.563 \| good	0.404 \| good
2026-10-22T18:00:00.000Z	29 \| good	3.108 \| good	11.732 \| good	30.989 \| good	0.267 \| good	6.196 \| good	0.317 \| good
2026-10-22T19:00:00.000Z	33 \| good	2.575 \| good	8.528 \| good	36.049 \| good	0.244 \| good	4.649 \| good	0.301 \| good
2026-10-22T20:00:00.000Z	35 \| good	2.182 \| good	9.213 \| good	38.149 \| good	0.265 \| good	4.398 \| good	0.294 \| good
2026-10-22T21:00:00.000Z	36 \| good	2.136 \| good	11.174 \| good	38.793 \| good	0.254 \| good	3.756 \| good	0.3 \| good
2026-10-22T22:00:00.000Z	37 \| good	1.793 \| good	10.62 \| good	40.337 \| good	0.298 \| good	3.423 \| good	0.31 \| good
2026-10-22T23:00:00.000Z	38 \| good	2.108 \| good	8.76 \| good	41.17 \| good	0.298 \| good	3.686 \| good	0.37 \| good
2026-10-23T00:00:00.000Z	38 \| good	2.207 \| good	9.457 \| good	41.145 \| good	0.298 \| good	4.196 \| good	0.418 \| good
2026-10-23T01:00:00.000Z	28 \| good	3.192 \| good	13.438 \| good	30.417 \| good	1.042 \| good	6.359 \| good	0.151 \| good
2026-10-23T02:00:00.000Z	24 \| good	3.154 \| good	13.521 \| good	25.736 \| good	1.16 \| good	13.217 \| good	0.174 \| good
2026-10-23T03:00:00.000Z	25 \| good	3.879 \| good	16.625 \| good	27.382 \| good	1.31 \| good	20.362 \| good	0.196 \| good
2026-10-23T04:00:00.000Z	25 \| good	2.538 \| good	10.355 \| good	25.09 \| good	1.452 \| good	26.39 \| good	0.214 \| good
2026-10-23T05:00:00.000Z	26 \| good	2.963 \| good	12.572 \| good	24.256 \| good	1.567 \| good	28.188 \| good	0.228 \| good
2026-10-23T06:00:00.000Z	26 \| good	3.723 \| good	16.307 \| good	21.951 \| good	1.542 \| good	27.687 \| good	0.229 \| good
2026-10-23T07:00:00.000Z	24 \| good	4.054 \| good	17.849 \| good	22.522 \| good	1.442 \| good	24.844 \| good	0.216 \| good
2026-10-23T08:00:00.000Z	27 \| good	4.725 \| good	20.694 \| good	19.097 \| good	1.37 \| good	19.098 \| good	0.197 \| good
2026-10-23T09:00:00.000Z	22 \| good	4.17 \| good	18.348 \| good	17.222 \| good	1.242 \| good	15.368 \| good	0.186 \| good
2026-10-23T10:00:00.000Z	27 \| good	5.02 \| good	21.755 \| good	17.973 \| good	1.101 \| good	11.537 \| good	0.173 \| good
2026-10-23T11:00:00.000Z	27 \| good	5.112 \| good	22.227 \| good	13.461 \| good	0.97 \| good	10.514 \| good	0.17 \| good
2026-10-23T12:00:00.000Z	33 \| good	5.788 \| good	25.56 \| good	5.039 \| good	0.897 \| good	10.341 \| good	0.17 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.682 \| good	29.724 \| good	4.817 \| good	0.846 \| good	8.775 \| good	0.164 \| good
2026-10-23T14:00:00.000Z	44 \| good	7.807 \| good	34.539 \| good	5.53 \| good	0.849 \| good	11.226 \| good	0.171 \| good
2026-10-23T15:00:00.000Z	38 \| good	7.176 \| good	31.685 \| good	11.061 \| good	0.866 \| good	11.644 \| good	0.182 \| good
2026-10-23T16:00:00.000Z	27 \| good	4.631 \| good	20.3 \| good	18.465 \| good	0.764 \| good	5.703 \| good	0.152 \| good
2026-10-23T17:00:00.000Z	22 \| good	4.429 \| good	19.039 \| good	24.423 \| good	0.777 \| good	4.205 \| good	0.144 \| good
2026-10-23T18:00:00.000Z	27 \| good	4.888 \| good	20.915 \| good	28.767 \| good	0.881 \| good	4.117 \| good	0.14 \| good
2026-10-23T19:00:00.000Z	31 \| good	5.127 \| good	21.91 \| good	33.866 \| good	1.026 \| good	4.159 \| good	0.14 \| good
2026-10-23T20:00:00.000Z	38 \| good	7.273 \| good	32.239 \| good	39.113 \| good	1.106 \| good	3.692 \| good	0.138 \| good
2026-10-23T21:00:00.000Z	39 \| good	7.454 \| good	32.82 \| good	42.304 \| good	1.128 \| good	3.572 \| good	0.136 \| good
2026-10-23T22:00:00.000Z	42 \| good	6.872 \| good	30.449 \| good	44.978 \| good	1.164 \| good	3.516 \| good	0.136 \| good
2026-10-23T23:00:00.000Z	44 \| good	6.284 \| good	27.998 \| good	47.35 \| good	1.285 \| good	4.079 \| good	0.137 \| good
2026-10-24T00:00:00.000Z	44 \| good	7.081 \| good	31.447 \| good	47.816 \| good	1.436 \| good	5.219 \| good	0.141 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.649 \| good	43.045 \| good	42.45 \| good	1.524 \| good	8.426 \| good	0.15 \| good
2026-10-24T02:00:00.000Z	49 \| good	9.447 \| good	42.297 \| good	34.883 \| good	1.611 \| good	16.321 \| good	0.176 \| good
2026-10-24T03:00:00.000Z	56 \| moderate	11.807 \| good	52.763 \| good	31.004 \| good	1.675 \| good	23.003 \| good	0.195 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.648 \| fine	60.963 \| fine	22.148 \| good	1.762 \| good	28.256 \| good	0.212 \| good
2026-10-24T05:00:00.000Z	64 \| moderate	15.782 \| fine	70.304 \| fine	17.457 \| good	1.843 \| good	29.528 \| good	0.228 \| good
2026-10-24T06:00:00.000Z	62 \| moderate	14.647 \| fine	65.578 \| fine	14.837 \| good	1.879 \| good	30.127 \| good	0.237 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	15.293 \| fine	68.465 \| fine	14.493 \| good	1.813 \| good	29.392 \| good	0.248 \| good
2026-10-24T08:00:00.000Z	67 \| moderate	17.982 \| fine	79.418 \| fine	13.874 \| good	1.626 \| good	27.816 \| good	0.247 \| good
2026-10-24T09:00:00.000Z	69 \| moderate	19.04 \| fine	83.857 \| fine	15.202 \| good	1.448 \| good	26.103 \| good	0.243 \| good
2026-10-24T10:00:00.000Z	71 \| moderate	20.283 \| fine	89.524 \| fine	15.107 \| good	1.263 \| good	24.254 \| good	0.242 \| good
2026-10-24T11:00:00.000Z	73 \| moderate	21.189 \| fine	93.51 \| fine	14.099 \| good	1.094 \| good	22.483 \| good	0.241 \| good
2026-10-24T12:00:00.000Z	77 \| moderate	22.505 \| fine	98.764 \| fine	12.663 \| good	0.957 \| good	20.929 \| good	0.239 \| good
2026-10-24T13:00:00.000Z	79 \| moderate	23.752 \| fine	103.67 \| fine	13.959 \| good	0.856 \| good	19.697 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	84 \| moderate	27.415 \| fine	119.32 \| fine	17.918 \| good	0.836 \| good	19.069 \| good	0.244 \| good
2026-10-24T15:00:00.000Z	86 \| moderate	27.745 \| fine	121.282 \| fine	16.158 \| good	0.838 \| good	16.55 \| good	0.259 \| good
2026-10-24T16:00:00.000Z	67 \| moderate	18.424 \| fine	81.497 \| fine	22.84 \| good	0.866 \| good	14.104 \| good	0.259 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.996 \| good	53.99 \| good	32.733 \| good	1.167 \| good	11.018 \| good	0.193 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.206 \| good	45.129 \| good	36.967 \| good	1.726 \| good	7.777 \| good	0.167 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.015 \| good	48.643 \| good	43.115 \| good	1.863 \| good	6.608 \| good	0.16 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.366 \| good	50.463 \| good	49.492 \| good	1.889 \| good	6.021 \| good	0.158 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.938 \| good	48.45 \| good	54.674 \| good	1.926 \| good	5.761 \| good	0.157 \| good
2026-10-24T22:00:00.000Z	64 \| moderate	10.232 \| good	45.425 \| good	58.552 \| fine	2.026 \| good	5.879 \| good	0.158 \| good
2026-10-24T23:00:00.000Z	58 \| moderate	7.891 \| good	34.56 \| good	56.837 \| fine	2.125 \| good	6.477 \| good	0.159 \| good
2026-10-25T00:00:00.000Z	47 \| good	6.795 \| good	30.28 \| good	51.341 \| good	2.196 \| good	7.877 \| good	0.163 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.33ppm

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 2026-10-22.

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

The best air quality in Fullerton, California was recorded at 02:00:00 on 2026-10-22.

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

The real-time air quality index in Fullerton, California is 38, 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 2.207 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 9.457 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.418 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.298 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 41.145 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 4.196 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T01:00:00.000Z	39 \| good	5.986 \| good	37.521 \| good	41.678 \| good	0.375 \| good	6.023 \| good	0.431 \| good
2026-10-21T02:00:00.000Z	34 \| good	5.966 \| good	32.792 \| good	36.512 \| good	0.366 \| good	6.943 \| good	0.471 \| good
2026-10-21T03:00:00.000Z	27 \| good	5.238 \| good	22.85 \| good	26.58 \| good	0.858 \| good	9.637 \| good	0.15 \| good
2026-10-21T04:00:00.000Z	28 \| good	5.102 \| good	21.334 \| good	29.646 \| good	0.361 \| good	6.602 \| good	0.338 \| good
2026-10-21T05:00:00.000Z	28 \| good	4.202 \| good	25.023 \| good	29.819 \| good	0.7 \| good	7.594 \| good	0.347 \| good
2026-10-21T06:00:00.000Z	25 \| good	4.101 \| good	21.711 \| good	26.549 \| good	0.344 \| good	7.773 \| good	0.304 \| good
2026-10-21T07:00:00.000Z	25 \| good	4.018 \| good	23.212 \| good	27.18 \| good	0.345 \| good	7.773 \| good	0.304 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.398 \| good	26.703 \| good	26.141 \| good	0.336 \| good	9.044 \| good	0.359 \| good
2026-10-21T09:00:00.000Z	27 \| good	5.133 \| good	23.91 \| good	21.474 \| good	0.438 \| good	8.307 \| good	0.291 \| good
2026-10-21T10:00:00.000Z	27 \| good	4.795 \| good	23.708 \| good	16.25 \| good	0.381 \| good	10.618 \| good	0.311 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.719 \| good	23.585 \| good	15.191 \| good	0.391 \| good	12.12 \| good	0.336 \| good
2026-10-21T12:00:00.000Z	27 \| good	4.58 \| good	20.253 \| good	11.984 \| good	0.43 \| good	13.43 \| good	0.343 \| good
2026-10-21T13:00:00.000Z	27 \| good	5.4 \| good	22.296 \| good	12.073 \| good	0.43 \| good	13.43 \| good	0.343 \| good
2026-10-21T14:00:00.000Z	33 \| good	6.08 \| good	29.331 \| good	7.857 \| good	0.431 \| good	17.427 \| good	0.584 \| good
2026-10-21T15:00:00.000Z	44 \| good	7.556 \| good	33.745 \| good	10.189 \| good	0.532 \| good	18.883 \| good	0.662 \| good
2026-10-21T16:00:00.000Z	54 \| moderate	10.889 \| good	40.029 \| good	14.747 \| good	0.532 \| good	16.999 \| good	0.652 \| good
2026-10-21T17:00:00.000Z	52 \| moderate	9.913 \| good	36.024 \| good	15.715 \| good	0.532 \| good	17.744 \| good	0.529 \| good
2026-10-21T18:00:00.000Z	49 \| good	9.265 \| good	39.783 \| good	22.111 \| good	0.396 \| good	14.995 \| good	0.487 \| good
2026-10-21T19:00:00.000Z	44 \| good	7.845 \| good	34.018 \| good	28.839 \| good	0.545 \| good	7.467 \| good	0.391 \| good
2026-10-21T20:00:00.000Z	40 \| good	5.872 \| good	43.399 \| good	31.508 \| good	0.478 \| good	7.301 \| good	0.371 \| good
2026-10-21T21:00:00.000Z	43 \| good	6.69 \| good	45.521 \| good	33.859 \| good	0.535 \| good	8.453 \| good	0.383 \| good
2026-10-21T22:00:00.000Z	44 \| good	6.264 \| good	46.739 \| good	32.279 \| good	0.466 \| good	9.732 \| good	0.363 \| good
2026-10-21T23:00:00.000Z	28 \| good	4.718 \| good	27.359 \| good	29.532 \| good	0.405 \| good	11.136 \| good	0.391 \| good
2026-10-22T00:00:00.000Z	29 \| good	4.573 \| good	24.358 \| good	30.859 \| good	0.42 \| good	10.322 \| good	0.371 \| good
2026-10-22T01:00:00.000Z	33 \| good	5.984 \| good	25.549 \| good	28.164 \| good	0.391 \| good	13.307 \| good	0.482 \| good
2026-10-22T02:00:00.000Z	33 \| good	6.149 \| good	25.75 \| good	26.785 \| good	0.418 \| good	12.789 \| good	0.475 \| good
2026-10-22T03:00:00.000Z	35 \| good	3.927 \| good	17.278 \| good	37.505 \| good	0.457 \| good	12.003 \| good	0.133 \| good
2026-10-22T04:00:00.000Z	38 \| good	7.219 \| good	19.691 \| good	25.504 \| good	0.352 \| good	5.959 \| good	0.327 \| good
2026-10-22T05:00:00.000Z	24 \| good	3.746 \| good	15.686 \| good	26.25 \| good	0.628 \| good	4.576 \| good	0.311 \| good
2026-10-22T06:00:00.000Z	23 \| good	4.063 \| good	11.865 \| good	25.258 \| good	0.244 \| good	4.417 \| good	0.351 \| good
2026-10-22T07:00:00.000Z	24 \| good	3.711 \| good	14.09 \| good	25.743 \| good	0.244 \| good	4.417 \| good	0.351 \| good
2026-10-22T08:00:00.000Z	21 \| good	3.141 \| good	12.422 \| good	23.391 \| good	0.294 \| good	2.676 \| good	0.233 \| good
2026-10-22T09:00:00.000Z	20 \| good	1.652 \| good	8.964 \| good	22.248 \| good	0.379 \| good	2.763 \| good	0.211 \| good
2026-10-22T10:00:00.000Z	20 \| good	1.731 \| good	9.24 \| good	22.009 \| good	0.294 \| good	4.954 \| good	0.211 \| good
2026-10-22T11:00:00.000Z	16 \| good	1.858 \| good	10.495 \| good	16.666 \| good	0.354 \| good	6.403 \| good	0.264 \| good
2026-10-22T12:00:00.000Z	16 \| good	1.253 \| good	8.85 \| good	17.209 \| good	0.294 \| good	7.749 \| good	0.327 \| good
2026-10-22T13:00:00.000Z	16 \| good	1.311 \| good	10.55 \| good	17.379 \| good	0.294 \| good	7.749 \| good	0.327 \| good
2026-10-22T14:00:00.000Z	14 \| good	1.901 \| good	7.486 \| good	15.18 \| good	0.294 \| good	14.836 \| good	0.512 \| good
2026-10-22T15:00:00.000Z	16 \| good	3.029 \| good	8.896 \| good	15.862 \| good	0.25 \| good	17.242 \| good	0.613 \| good
2026-10-22T16:00:00.000Z	19 \| good	2.819 \| good	10.507 \| good	20.305 \| good	0.352 \| good	14.195 \| good	0.606 \| good
2026-10-22T17:00:00.000Z	23 \| good	3.088 \| good	15.42 \| good	24.798 \| good	0.312 \| good	7.563 \| good	0.404 \| good
2026-10-22T18:00:00.000Z	29 \| good	3.108 \| good	11.732 \| good	30.989 \| good	0.267 \| good	6.196 \| good	0.317 \| good
2026-10-22T19:00:00.000Z	33 \| good	2.575 \| good	8.528 \| good	36.049 \| good	0.244 \| good	4.649 \| good	0.301 \| good
2026-10-22T20:00:00.000Z	35 \| good	2.182 \| good	9.213 \| good	38.149 \| good	0.265 \| good	4.398 \| good	0.294 \| good
2026-10-22T21:00:00.000Z	36 \| good	2.136 \| good	11.174 \| good	38.793 \| good	0.254 \| good	3.756 \| good	0.3 \| good
2026-10-22T22:00:00.000Z	37 \| good	1.793 \| good	10.62 \| good	40.337 \| good	0.298 \| good	3.423 \| good	0.31 \| good
2026-10-22T23:00:00.000Z	38 \| good	2.108 \| good	8.76 \| good	41.17 \| good	0.298 \| good	3.686 \| good	0.37 \| good
2026-10-23T00:00:00.000Z	38 \| good	2.207 \| good	9.457 \| good	41.145 \| good	0.298 \| good	4.196 \| good	0.418 \| good
2026-10-23T01:00:00.000Z	28 \| good	3.192 \| good	13.438 \| good	30.417 \| good	1.042 \| good	6.359 \| good	0.151 \| good
2026-10-23T02:00:00.000Z	24 \| good	3.154 \| good	13.521 \| good	25.736 \| good	1.16 \| good	13.217 \| good	0.174 \| good
2026-10-23T03:00:00.000Z	25 \| good	3.879 \| good	16.625 \| good	27.382 \| good	1.31 \| good	20.362 \| good	0.196 \| good
2026-10-23T04:00:00.000Z	25 \| good	2.538 \| good	10.355 \| good	25.09 \| good	1.452 \| good	26.39 \| good	0.214 \| good
2026-10-23T05:00:00.000Z	26 \| good	2.963 \| good	12.572 \| good	24.256 \| good	1.567 \| good	28.188 \| good	0.228 \| good
2026-10-23T06:00:00.000Z	26 \| good	3.723 \| good	16.307 \| good	21.951 \| good	1.542 \| good	27.687 \| good	0.229 \| good
2026-10-23T07:00:00.000Z	24 \| good	4.054 \| good	17.849 \| good	22.522 \| good	1.442 \| good	24.844 \| good	0.216 \| good
2026-10-23T08:00:00.000Z	27 \| good	4.725 \| good	20.694 \| good	19.097 \| good	1.37 \| good	19.098 \| good	0.197 \| good
2026-10-23T09:00:00.000Z	22 \| good	4.17 \| good	18.348 \| good	17.222 \| good	1.242 \| good	15.368 \| good	0.186 \| good
2026-10-23T10:00:00.000Z	27 \| good	5.02 \| good	21.755 \| good	17.973 \| good	1.101 \| good	11.537 \| good	0.173 \| good
2026-10-23T11:00:00.000Z	27 \| good	5.112 \| good	22.227 \| good	13.461 \| good	0.97 \| good	10.514 \| good	0.17 \| good
2026-10-23T12:00:00.000Z	33 \| good	5.788 \| good	25.56 \| good	5.039 \| good	0.897 \| good	10.341 \| good	0.17 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.682 \| good	29.724 \| good	4.817 \| good	0.846 \| good	8.775 \| good	0.164 \| good
2026-10-23T14:00:00.000Z	44 \| good	7.807 \| good	34.539 \| good	5.53 \| good	0.849 \| good	11.226 \| good	0.171 \| good
2026-10-23T15:00:00.000Z	38 \| good	7.176 \| good	31.685 \| good	11.061 \| good	0.866 \| good	11.644 \| good	0.182 \| good
2026-10-23T16:00:00.000Z	27 \| good	4.631 \| good	20.3 \| good	18.465 \| good	0.764 \| good	5.703 \| good	0.152 \| good
2026-10-23T17:00:00.000Z	22 \| good	4.429 \| good	19.039 \| good	24.423 \| good	0.777 \| good	4.205 \| good	0.144 \| good
2026-10-23T18:00:00.000Z	27 \| good	4.888 \| good	20.915 \| good	28.767 \| good	0.881 \| good	4.117 \| good	0.14 \| good
2026-10-23T19:00:00.000Z	31 \| good	5.127 \| good	21.91 \| good	33.866 \| good	1.026 \| good	4.159 \| good	0.14 \| good
2026-10-23T20:00:00.000Z	38 \| good	7.273 \| good	32.239 \| good	39.113 \| good	1.106 \| good	3.692 \| good	0.138 \| good
2026-10-23T21:00:00.000Z	39 \| good	7.454 \| good	32.82 \| good	42.304 \| good	1.128 \| good	3.572 \| good	0.136 \| good
2026-10-23T22:00:00.000Z	42 \| good	6.872 \| good	30.449 \| good	44.978 \| good	1.164 \| good	3.516 \| good	0.136 \| good
2026-10-23T23:00:00.000Z	44 \| good	6.284 \| good	27.998 \| good	47.35 \| good	1.285 \| good	4.079 \| good	0.137 \| good
2026-10-24T00:00:00.000Z	44 \| good	7.081 \| good	31.447 \| good	47.816 \| good	1.436 \| good	5.219 \| good	0.141 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.649 \| good	43.045 \| good	42.45 \| good	1.524 \| good	8.426 \| good	0.15 \| good
2026-10-24T02:00:00.000Z	49 \| good	9.447 \| good	42.297 \| good	34.883 \| good	1.611 \| good	16.321 \| good	0.176 \| good
2026-10-24T03:00:00.000Z	56 \| moderate	11.807 \| good	52.763 \| good	31.004 \| good	1.675 \| good	23.003 \| good	0.195 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.648 \| fine	60.963 \| fine	22.148 \| good	1.762 \| good	28.256 \| good	0.212 \| good
2026-10-24T05:00:00.000Z	64 \| moderate	15.782 \| fine	70.304 \| fine	17.457 \| good	1.843 \| good	29.528 \| good	0.228 \| good
2026-10-24T06:00:00.000Z	62 \| moderate	14.647 \| fine	65.578 \| fine	14.837 \| good	1.879 \| good	30.127 \| good	0.237 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	15.293 \| fine	68.465 \| fine	14.493 \| good	1.813 \| good	29.392 \| good	0.248 \| good
2026-10-24T08:00:00.000Z	67 \| moderate	17.982 \| fine	79.418 \| fine	13.874 \| good	1.626 \| good	27.816 \| good	0.247 \| good
2026-10-24T09:00:00.000Z	69 \| moderate	19.04 \| fine	83.857 \| fine	15.202 \| good	1.448 \| good	26.103 \| good	0.243 \| good
2026-10-24T10:00:00.000Z	71 \| moderate	20.283 \| fine	89.524 \| fine	15.107 \| good	1.263 \| good	24.254 \| good	0.242 \| good
2026-10-24T11:00:00.000Z	73 \| moderate	21.189 \| fine	93.51 \| fine	14.099 \| good	1.094 \| good	22.483 \| good	0.241 \| good
2026-10-24T12:00:00.000Z	77 \| moderate	22.505 \| fine	98.764 \| fine	12.663 \| good	0.957 \| good	20.929 \| good	0.239 \| good
2026-10-24T13:00:00.000Z	79 \| moderate	23.752 \| fine	103.67 \| fine	13.959 \| good	0.856 \| good	19.697 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	84 \| moderate	27.415 \| fine	119.32 \| fine	17.918 \| good	0.836 \| good	19.069 \| good	0.244 \| good
2026-10-24T15:00:00.000Z	86 \| moderate	27.745 \| fine	121.282 \| fine	16.158 \| good	0.838 \| good	16.55 \| good	0.259 \| good
2026-10-24T16:00:00.000Z	67 \| moderate	18.424 \| fine	81.497 \| fine	22.84 \| good	0.866 \| good	14.104 \| good	0.259 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.996 \| good	53.99 \| good	32.733 \| good	1.167 \| good	11.018 \| good	0.193 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.206 \| good	45.129 \| good	36.967 \| good	1.726 \| good	7.777 \| good	0.167 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.015 \| good	48.643 \| good	43.115 \| good	1.863 \| good	6.608 \| good	0.16 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.366 \| good	50.463 \| good	49.492 \| good	1.889 \| good	6.021 \| good	0.158 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.938 \| good	48.45 \| good	54.674 \| good	1.926 \| good	5.761 \| good	0.157 \| good
2026-10-24T22:00:00.000Z	64 \| moderate	10.232 \| good	45.425 \| good	58.552 \| fine	2.026 \| good	5.879 \| good	0.158 \| good
2026-10-24T23:00:00.000Z	58 \| moderate	7.891 \| good	34.56 \| good	56.837 \| fine	2.125 \| good	6.477 \| good	0.159 \| good
2026-10-25T00:00:00.000Z	47 \| good	6.795 \| good	30.28 \| good	51.341 \| good	2.196 \| good	7.877 \| good	0.163 \| 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?