What are the current PM10 levels at Fullerton, California?

The current PM10 levels in Fullerton, California are 43.987 μg/m3.

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

The current sulfur dioxide (SO2) levels in Fullerton, California are 0.255 ppb.

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

The current ozone (O3) levels at Fullerton, California is 3.205 ppm.

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

The current nitrogen dioxide (NO2) levels at Fullerton, California is 20.922 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 22.607 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)

22.61 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

43.99 μg/m³

155

255

425

605+

Ozone (O₃)

3.21 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

20.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.63 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Fullerton, California

Get Live Pollen Counts

Fullerton, California

Scroll To Air Quality Map

Track live Fullerton, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T16:00:00.000Z	97 \| moderate	33.546 \| fine	109.669 \| fine	9.952 \| good	0.563 \| good	23.638 \| good	0.706 \| good
2026-01-21T17:00:00.000Z	92 \| moderate	30.878 \| fine	98.283 \| fine	12.72 \| good	0.461 \| good	21.761 \| good	0.662 \| good
2026-01-21T18:00:00.000Z	96 \| moderate	32.953 \| fine	119.278 \| fine	11.368 \| good	0.427 \| good	22.249 \| good	0.669 \| good
2026-01-21T19:00:00.000Z	88 \| moderate	28.644 \| fine	106.796 \| fine	13.895 \| good	0.496 \| good	23.489 \| good	0.764 \| good
2026-01-21T20:00:00.000Z	88 \| moderate	29.378 \| fine	114.799 \| fine	15.891 \| good	0.524 \| good	23.375 \| good	0.669 \| good
2026-01-21T21:00:00.000Z	96 \| moderate	33.316 \| fine	117.086 \| fine	19.096 \| good	0.448 \| good	24.687 \| good	0.72 \| good
2026-01-21T22:00:00.000Z	84 \| moderate	26.895 \| fine	82.484 \| fine	19.961 \| good	0.588 \| good	23.67 \| good	0.717 \| good
2026-01-21T23:00:00.000Z	81 \| moderate	24.553 \| fine	87.236 \| fine	21.16 \| good	0.482 \| good	24.862 \| good	0.644 \| good
2026-01-22T00:00:00.000Z	79 \| moderate	24.229 \| fine	68.412 \| fine	21.668 \| good	0.461 \| good	24.5 \| good	0.643 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.473 \| fine	64.68 \| fine	20.741 \| good	0.37 \| good	26.379 \| good	0.699 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.103 \| fine	63.777 \| fine	18.867 \| good	0.334 \| good	26.967 \| good	0.691 \| good
2026-01-22T03:00:00.000Z	92 \| moderate	31.05 \| fine	71.514 \| fine	15.747 \| good	0.424 \| good	28.903 \| good	0.753 \| good
2026-01-22T04:00:00.000Z	90 \| moderate	29.547 \| fine	78.159 \| fine	13.22 \| good	0.493 \| good	29.474 \| good	0.74 \| good
2026-01-22T05:00:00.000Z	94 \| moderate	32.176 \| fine	73.036 \| fine	11.688 \| good	0.754 \| good	28.882 \| good	0.733 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.504 \| fine	77.096 \| fine	9.812 \| good	0.553 \| good	31.017 \| good	0.834 \| good
2026-01-22T07:00:00.000Z	96 \| moderate	32.752 \| fine	78.004 \| fine	11.023 \| good	0.587 \| good	30.297 \| good	0.914 \| good
2026-01-22T08:00:00.000Z	90 \| moderate	29.911 \| fine	63.974 \| fine	7.726 \| good	0.613 \| good	29.589 \| good	0.895 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T10:00:00.000Z	84 \| moderate	26.805 \| fine	85.094 \| fine	3.468 \| good	0.572 \| good	27.669 \| good	0.713 \| good
2026-01-22T11:00:00.000Z	84 \| moderate	27.042 \| fine	91.619 \| fine	4.705 \| good	0.527 \| good	27.802 \| good	0.581 \| good
2026-01-22T12:00:00.000Z	115 \| sensitive	41.353 \| moderate	164.533 \| moderate	2.254 \| good	0.658 \| good	26.939 \| good	0.602 \| good
2026-01-22T13:00:00.000Z	94 \| moderate	32.497 \| fine	94.001 \| fine	3.214 \| good	0.657 \| good	26.939 \| good	0.602 \| good
2026-01-22T14:00:00.000Z	96 \| moderate	32.531 \| fine	96.911 \| fine	3.666 \| good	0.481 \| good	25.262 \| good	0.794 \| good
2026-01-22T15:00:00.000Z	86 \| moderate	27.766 \| fine	99.608 \| fine	4.577 \| good	0.575 \| good	24.323 \| good	0.908 \| good
2026-01-22T16:00:00.000Z	79 \| moderate	24.462 \| fine	77.144 \| fine	6.249 \| good	0.673 \| good	25.115 \| good	0.863 \| good
2026-01-22T17:00:00.000Z	97 \| moderate	33.978 \| fine	87.949 \| fine	9.966 \| good	0.749 \| good	23.689 \| good	0.763 \| good
2026-01-22T18:00:00.000Z	142 \| sensitive	52.131 \| moderate	178.888 \| moderate	12.467 \| good	0.491 \| good	21.048 \| good	0.602 \| good
2026-01-22T19:00:00.000Z	110 \| sensitive	38.838 \| moderate	75.715 \| fine	13.023 \| good	0.42 \| good	24.454 \| good	0.692 \| good
2026-01-22T20:00:00.000Z	88 \| moderate	28.57 \| fine	69.827 \| fine	15.505 \| good	0.382 \| good	24.676 \| good	0.564 \| good
2026-01-22T21:00:00.000Z	77 \| moderate	22.676 \| fine	68.64 \| fine	16.701 \| good	0.46 \| good	23.824 \| good	0.545 \| good
2026-01-22T22:00:00.000Z	97 \| moderate	34.064 \| fine	110.187 \| fine	17.53 \| good	0.61 \| good	22.546 \| good	0.529 \| good
2026-01-22T23:00:00.000Z	88 \| moderate	29.449 \| fine	74.341 \| fine	15.719 \| good	0.524 \| good	27.58 \| good	0.618 \| good
2026-01-23T00:00:00.000Z	77 \| moderate	22.598 \| fine	59.972 \| fine	16.034 \| good	0.321 \| good	28.736 \| good	0.67 \| good
2026-01-23T01:00:00.000Z	66 \| moderate	16.96 \| fine	35.983 \| good	12.552 \| good	0.347 \| good	26.162 \| good	0.514 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	12.77 \| fine	41.779 \| good	13.572 \| good	0.357 \| good	22.201 \| good	0.526 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	12.645 \| fine	47.846 \| good	13.149 \| good	0.254 \| good	21.598 \| good	0.521 \| good
2026-01-23T04:00:00.000Z	66 \| moderate	16.763 \| fine	52.496 \| good	13.485 \| good	0.33 \| good	22.813 \| good	0.456 \| good
2026-01-23T05:00:00.000Z	56 \| moderate	12.011 \| good	43.438 \| good	11.31 \| good	0.545 \| good	24.091 \| good	0.655 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	15.454 \| fine	48.959 \| good	10.039 \| good	0.378 \| good	24.204 \| good	0.653 \| good
2026-01-23T07:00:00.000Z	62 \| moderate	14.839 \| fine	49.509 \| good	10.135 \| good	0.362 \| good	24.204 \| good	0.651 \| good
2026-01-23T08:00:00.000Z	75 \| moderate	21.53 \| fine	62.146 \| fine	4.331 \| good	0.609 \| good	22.635 \| good	0.661 \| good
2026-01-23T09:00:00.000Z	62 \| moderate	14.967 \| fine	46.668 \| good	3.403 \| good	0.4 \| good	20.6 \| good	0.761 \| good
2026-01-23T10:00:00.000Z	62 \| moderate	15.473 \| fine	35.104 \| good	4.862 \| good	0.483 \| good	19.563 \| good	0.793 \| good
2026-01-23T11:00:00.000Z	62 \| moderate	15.471 \| fine	34.867 \| good	4.784 \| good	0.321 \| good	21.473 \| good	0.645 \| good
2026-01-23T12:00:00.000Z	77 \| moderate	22.759 \| fine	37.932 \| good	5.154 \| good	0.449 \| good	20.646 \| good	0.553 \| good
2026-01-23T13:00:00.000Z	67 \| moderate	17.714 \| fine	39.971 \| good	4.236 \| good	0.45 \| good	20.646 \| good	0.554 \| good
2026-01-23T14:00:00.000Z	75 \| moderate	21.685 \| fine	61.024 \| fine	2.946 \| good	0.232 \| good	20.614 \| good	0.648 \| good
2026-01-23T15:00:00.000Z	77 \| moderate	22.607 \| fine	43.987 \| good	3.205 \| good	0.255 \| good	20.922 \| good	0.63 \| good
2026-01-23T16:00:00.000Z	84 \| moderate	26.567 \| fine	115.367 \| fine	3.082 \| good	3.444 \| good	23.55 \| good	0.288 \| good
2026-01-23T17:00:00.000Z	77 \| moderate	22.679 \| fine	99.357 \| fine	11.466 \| good	3.978 \| good	21.054 \| good	0.269 \| good
2026-01-23T18:00:00.000Z	67 \| moderate	17.974 \| fine	79.57 \| fine	17.954 \| good	4.512 \| good	18.558 \| good	0.25 \| good
2026-01-23T19:00:00.000Z	66 \| moderate	16.711 \| fine	73.759 \| fine	25.108 \| good	5.186 \| good	18.708 \| good	0.236 \| good
2026-01-23T20:00:00.000Z	67 \| moderate	18.393 \| fine	81.477 \| fine	31.002 \| good	5.859 \| good	18.858 \| good	0.221 \| good
2026-01-23T21:00:00.000Z	67 \| moderate	18.129 \| fine	79.876 \| fine	33.976 \| good	6.533 \| good	19.008 \| good	0.207 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.662 \| fine	60.918 \| fine	34.361 \| good	6.703 \| good	20.316 \| good	0.205 \| good
2026-01-23T23:00:00.000Z	52 \| moderate	9.819 \| good	43.635 \| good	35.126 \| good	6.872 \| good	21.625 \| good	0.202 \| good
2026-01-24T00:00:00.000Z	33 \| good	1.619 \| good	6.738 \| good	36.269 \| good	7.042 \| good	22.934 \| good	0.199 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.69 \| good	24.737 \| good	32.842 \| good	7.032 \| good	27.89 \| good	0.234 \| good
2026-01-24T02:00:00.000Z	33 \| good	6.303 \| good	28.015 \| good	24.703 \| good	7.021 \| good	32.847 \| good	0.269 \| good
2026-01-24T03:00:00.000Z	52 \| moderate	9.794 \| good	43.564 \| good	19.085 \| good	7.011 \| good	37.803 \| good	0.304 \| good
2026-01-24T04:00:00.000Z	60 \| moderate	14.293 \| fine	63.656 \| fine	9.704 \| good	7.194 \| good	37.391 \| good	0.305 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.379 \| fine	64.673 \| fine	5.415 \| good	7.377 \| good	36.98 \| good	0.306 \| good
2026-01-24T06:00:00.000Z	58 \| moderate	13.343 \| fine	59.542 \| fine	4.604 \| good	7.561 \| good	36.568 \| good	0.307 \| good
2026-01-24T07:00:00.000Z	60 \| moderate	13.808 \| fine	61.867 \| fine	5.998 \| good	7.323 \| good	34.446 \| good	0.298 \| good
2026-01-24T08:00:00.000Z	64 \| moderate	15.881 \| fine	70.042 \| fine	7.32 \| good	7.085 \| good	32.323 \| good	0.288 \| good
2026-01-24T09:00:00.000Z	73 \| moderate	20.967 \| fine	92.544 \| fine	8.666 \| good	6.847 \| good	30.201 \| good	0.279 \| good
2026-01-24T10:00:00.000Z	73 \| moderate	20.729 \| fine	90.873 \| fine	12.971 \| good	6.766 \| good	29.054 \| good	0.266 \| good
2026-01-24T11:00:00.000Z	69 \| moderate	19.495 \| fine	85.957 \| fine	21.519 \| good	6.686 \| good	27.906 \| good	0.253 \| good
2026-01-24T12:00:00.000Z	67 \| moderate	17.967 \| fine	79.657 \| fine	18.857 \| good	6.605 \| good	26.758 \| good	0.24 \| good
2026-01-24T13:00:00.000Z	62 \| moderate	14.628 \| fine	65.008 \| fine	21.603 \| good	6.649 \| good	26.386 \| good	0.25 \| good
2026-01-24T14:00:00.000Z	62 \| moderate	14.915 \| fine	66.078 \| fine	21.496 \| good	6.693 \| good	26.014 \| good	0.261 \| good
2026-01-24T15:00:00.000Z	58 \| moderate	13.101 \| fine	58.747 \| fine	23.1 \| good	6.738 \| good	25.642 \| good	0.272 \| good
2026-01-24T16:00:00.000Z	49 \| good	9.443 \| good	41.631 \| good	23.319 \| good	6.506 \| good	21.28 \| good	0.246 \| good
2026-01-24T17:00:00.000Z	49 \| good	9.25 \| good	41.064 \| good	27.948 \| good	6.274 \| good	16.917 \| good	0.221 \| good
2026-01-24T18:00:00.000Z	38 \| good	6.922 \| good	30.983 \| good	30.45 \| good	6.043 \| good	12.554 \| good	0.196 \| good
2026-01-24T19:00:00.000Z	31 \| good	2.811 \| good	12.127 \| good	33.202 \| good	5.788 \| good	11.623 \| good	0.189 \| good
2026-01-24T20:00:00.000Z	33 \| good	4.518 \| good	19.982 \| good	36.225 \| good	5.533 \| good	10.693 \| good	0.182 \| good
2026-01-24T21:00:00.000Z	35 \| good	5.747 \| good	25.153 \| good	38.27 \| good	5.279 \| good	9.763 \| good	0.176 \| good
2026-01-24T22:00:00.000Z	44 \| good	8.424 \| good	37.238 \| good	39.988 \| good	5.214 \| good	10.325 \| good	0.176 \| good
2026-01-24T23:00:00.000Z	56 \| moderate	12.032 \| good	53.869 \| good	40.829 \| good	5.15 \| good	10.886 \| good	0.176 \| good
2026-01-25T00:00:00.000Z	44 \| good	7.637 \| good	33.655 \| good	37.882 \| good	5.086 \| good	11.448 \| good	0.176 \| good
2026-01-25T01:00:00.000Z	58 \| moderate	12.504 \| fine	56.325 \| fine	29.257 \| good	5.05 \| good	18 \| good	0.21 \| good
2026-01-25T02:00:00.000Z	60 \| moderate	14.459 \| fine	64.387 \| fine	23.199 \| good	5.014 \| good	24.552 \| good	0.244 \| good
2026-01-25T03:00:00.000Z	64 \| moderate	16.396 \| fine	73.07 \| fine	15.439 \| good	4.978 \| good	31.103 \| good	0.279 \| good
2026-01-25T04:00:00.000Z	71 \| moderate	20.194 \| fine	88.967 \| fine	7.547 \| good	5.401 \| good	30.575 \| good	0.313 \| good
2026-01-25T05:00:00.000Z	69 \| moderate	19.077 \| fine	84.107 \| fine	4.58 \| good	5.824 \| good	30.046 \| good	0.348 \| good
2026-01-25T06:00:00.000Z	66 \| moderate	16.766 \| fine	74.348 \| fine	4.165 \| good	6.247 \| good	29.518 \| good	0.383 \| good
2026-01-25T07:00:00.000Z	66 \| moderate	17.004 \| fine	75.399 \| fine	4.785 \| good	5.514 \| good	28.092 \| good	0.357 \| good
2026-01-25T08:00:00.000Z	69 \| moderate	18.991 \| fine	83.292 \| fine	3.506 \| good	4.781 \| good	26.666 \| good	0.33 \| good
2026-01-25T09:00:00.000Z	71 \| moderate	20.374 \| fine	89.693 \| fine	2.993 \| good	4.047 \| good	25.24 \| good	0.304 \| good
2026-01-25T10:00:00.000Z	66 \| moderate	16.657 \| fine	73.601 \| fine	3.933 \| good	3.429 \| good	24.133 \| good	0.279 \| good
2026-01-25T11:00:00.000Z	56 \| moderate	12.331 \| fine	54.707 \| good	6.353 \| good	2.811 \| good	23.027 \| good	0.253 \| good
2026-01-25T12:00:00.000Z	52 \| moderate	10.163 \| good	45.077 \| good	5.224 \| good	2.193 \| good	21.92 \| good	0.228 \| good
2026-01-25T13:00:00.000Z	54 \| moderate	11.048 \| good	48.701 \| good	4.959 \| good	2.119 \| good	22.294 \| good	0.221 \| good
2026-01-25T14:00:00.000Z	49 \| good	9.047 \| good	39.797 \| good	5.306 \| good	2.045 \| good	22.669 \| good	0.214 \| good
2026-01-25T15:00:00.000Z	49 \| good	8.933 \| good	39.129 \| good	5.566 \| good	1.97 \| good	23.043 \| good	0.208 \| good

Fullerton

Empower business decisions with accurate air quality data

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

0.67ppm

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 06:00:00 on 2026-01-22.

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

The best air quality in Fullerton, California was recorded at 05:00:00 on 2026-01-23.

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

The real-time air quality index in Fullerton, California is 77, 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 22.607 μg/m³.

What are the current PM₁₀ levels at Fullerton, California?

The current PM₁₀ levels in Fullerton, California are 43.987 μg/m³.

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

The current carbon monoxide (CO) level in Fullerton, California is 0.63 ppm.

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

The current sulfur dioxide (SO₂) levels in Fullerton, California are 0.255 ppb.

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

The current ozone (O₃) levels at Fullerton, California is 3.205 ppm.

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

The current nitrogen dioxide (NO₂) levels at Fullerton, California is 20.922 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T16:00:00.000Z	97 \| moderate	33.546 \| fine	109.669 \| fine	9.952 \| good	0.563 \| good	23.638 \| good	0.706 \| good
2026-01-21T17:00:00.000Z	92 \| moderate	30.878 \| fine	98.283 \| fine	12.72 \| good	0.461 \| good	21.761 \| good	0.662 \| good
2026-01-21T18:00:00.000Z	96 \| moderate	32.953 \| fine	119.278 \| fine	11.368 \| good	0.427 \| good	22.249 \| good	0.669 \| good
2026-01-21T19:00:00.000Z	88 \| moderate	28.644 \| fine	106.796 \| fine	13.895 \| good	0.496 \| good	23.489 \| good	0.764 \| good
2026-01-21T20:00:00.000Z	88 \| moderate	29.378 \| fine	114.799 \| fine	15.891 \| good	0.524 \| good	23.375 \| good	0.669 \| good
2026-01-21T21:00:00.000Z	96 \| moderate	33.316 \| fine	117.086 \| fine	19.096 \| good	0.448 \| good	24.687 \| good	0.72 \| good
2026-01-21T22:00:00.000Z	84 \| moderate	26.895 \| fine	82.484 \| fine	19.961 \| good	0.588 \| good	23.67 \| good	0.717 \| good
2026-01-21T23:00:00.000Z	81 \| moderate	24.553 \| fine	87.236 \| fine	21.16 \| good	0.482 \| good	24.862 \| good	0.644 \| good
2026-01-22T00:00:00.000Z	79 \| moderate	24.229 \| fine	68.412 \| fine	21.668 \| good	0.461 \| good	24.5 \| good	0.643 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.473 \| fine	64.68 \| fine	20.741 \| good	0.37 \| good	26.379 \| good	0.699 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.103 \| fine	63.777 \| fine	18.867 \| good	0.334 \| good	26.967 \| good	0.691 \| good
2026-01-22T03:00:00.000Z	92 \| moderate	31.05 \| fine	71.514 \| fine	15.747 \| good	0.424 \| good	28.903 \| good	0.753 \| good
2026-01-22T04:00:00.000Z	90 \| moderate	29.547 \| fine	78.159 \| fine	13.22 \| good	0.493 \| good	29.474 \| good	0.74 \| good
2026-01-22T05:00:00.000Z	94 \| moderate	32.176 \| fine	73.036 \| fine	11.688 \| good	0.754 \| good	28.882 \| good	0.733 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.504 \| fine	77.096 \| fine	9.812 \| good	0.553 \| good	31.017 \| good	0.834 \| good
2026-01-22T07:00:00.000Z	96 \| moderate	32.752 \| fine	78.004 \| fine	11.023 \| good	0.587 \| good	30.297 \| good	0.914 \| good
2026-01-22T08:00:00.000Z	90 \| moderate	29.911 \| fine	63.974 \| fine	7.726 \| good	0.613 \| good	29.589 \| good	0.895 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T10:00:00.000Z	84 \| moderate	26.805 \| fine	85.094 \| fine	3.468 \| good	0.572 \| good	27.669 \| good	0.713 \| good
2026-01-22T11:00:00.000Z	84 \| moderate	27.042 \| fine	91.619 \| fine	4.705 \| good	0.527 \| good	27.802 \| good	0.581 \| good
2026-01-22T12:00:00.000Z	115 \| sensitive	41.353 \| moderate	164.533 \| moderate	2.254 \| good	0.658 \| good	26.939 \| good	0.602 \| good
2026-01-22T13:00:00.000Z	94 \| moderate	32.497 \| fine	94.001 \| fine	3.214 \| good	0.657 \| good	26.939 \| good	0.602 \| good
2026-01-22T14:00:00.000Z	96 \| moderate	32.531 \| fine	96.911 \| fine	3.666 \| good	0.481 \| good	25.262 \| good	0.794 \| good
2026-01-22T15:00:00.000Z	86 \| moderate	27.766 \| fine	99.608 \| fine	4.577 \| good	0.575 \| good	24.323 \| good	0.908 \| good
2026-01-22T16:00:00.000Z	79 \| moderate	24.462 \| fine	77.144 \| fine	6.249 \| good	0.673 \| good	25.115 \| good	0.863 \| good
2026-01-22T17:00:00.000Z	97 \| moderate	33.978 \| fine	87.949 \| fine	9.966 \| good	0.749 \| good	23.689 \| good	0.763 \| good
2026-01-22T18:00:00.000Z	142 \| sensitive	52.131 \| moderate	178.888 \| moderate	12.467 \| good	0.491 \| good	21.048 \| good	0.602 \| good
2026-01-22T19:00:00.000Z	110 \| sensitive	38.838 \| moderate	75.715 \| fine	13.023 \| good	0.42 \| good	24.454 \| good	0.692 \| good
2026-01-22T20:00:00.000Z	88 \| moderate	28.57 \| fine	69.827 \| fine	15.505 \| good	0.382 \| good	24.676 \| good	0.564 \| good
2026-01-22T21:00:00.000Z	77 \| moderate	22.676 \| fine	68.64 \| fine	16.701 \| good	0.46 \| good	23.824 \| good	0.545 \| good
2026-01-22T22:00:00.000Z	97 \| moderate	34.064 \| fine	110.187 \| fine	17.53 \| good	0.61 \| good	22.546 \| good	0.529 \| good
2026-01-22T23:00:00.000Z	88 \| moderate	29.449 \| fine	74.341 \| fine	15.719 \| good	0.524 \| good	27.58 \| good	0.618 \| good
2026-01-23T00:00:00.000Z	77 \| moderate	22.598 \| fine	59.972 \| fine	16.034 \| good	0.321 \| good	28.736 \| good	0.67 \| good
2026-01-23T01:00:00.000Z	66 \| moderate	16.96 \| fine	35.983 \| good	12.552 \| good	0.347 \| good	26.162 \| good	0.514 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	12.77 \| fine	41.779 \| good	13.572 \| good	0.357 \| good	22.201 \| good	0.526 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	12.645 \| fine	47.846 \| good	13.149 \| good	0.254 \| good	21.598 \| good	0.521 \| good
2026-01-23T04:00:00.000Z	66 \| moderate	16.763 \| fine	52.496 \| good	13.485 \| good	0.33 \| good	22.813 \| good	0.456 \| good
2026-01-23T05:00:00.000Z	56 \| moderate	12.011 \| good	43.438 \| good	11.31 \| good	0.545 \| good	24.091 \| good	0.655 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	15.454 \| fine	48.959 \| good	10.039 \| good	0.378 \| good	24.204 \| good	0.653 \| good
2026-01-23T07:00:00.000Z	62 \| moderate	14.839 \| fine	49.509 \| good	10.135 \| good	0.362 \| good	24.204 \| good	0.651 \| good
2026-01-23T08:00:00.000Z	75 \| moderate	21.53 \| fine	62.146 \| fine	4.331 \| good	0.609 \| good	22.635 \| good	0.661 \| good
2026-01-23T09:00:00.000Z	62 \| moderate	14.967 \| fine	46.668 \| good	3.403 \| good	0.4 \| good	20.6 \| good	0.761 \| good
2026-01-23T10:00:00.000Z	62 \| moderate	15.473 \| fine	35.104 \| good	4.862 \| good	0.483 \| good	19.563 \| good	0.793 \| good
2026-01-23T11:00:00.000Z	62 \| moderate	15.471 \| fine	34.867 \| good	4.784 \| good	0.321 \| good	21.473 \| good	0.645 \| good
2026-01-23T12:00:00.000Z	77 \| moderate	22.759 \| fine	37.932 \| good	5.154 \| good	0.449 \| good	20.646 \| good	0.553 \| good
2026-01-23T13:00:00.000Z	67 \| moderate	17.714 \| fine	39.971 \| good	4.236 \| good	0.45 \| good	20.646 \| good	0.554 \| good
2026-01-23T14:00:00.000Z	75 \| moderate	21.685 \| fine	61.024 \| fine	2.946 \| good	0.232 \| good	20.614 \| good	0.648 \| good
2026-01-23T15:00:00.000Z	77 \| moderate	22.607 \| fine	43.987 \| good	3.205 \| good	0.255 \| good	20.922 \| good	0.63 \| good
2026-01-23T16:00:00.000Z	84 \| moderate	26.567 \| fine	115.367 \| fine	3.082 \| good	3.444 \| good	23.55 \| good	0.288 \| good
2026-01-23T17:00:00.000Z	77 \| moderate	22.679 \| fine	99.357 \| fine	11.466 \| good	3.978 \| good	21.054 \| good	0.269 \| good
2026-01-23T18:00:00.000Z	67 \| moderate	17.974 \| fine	79.57 \| fine	17.954 \| good	4.512 \| good	18.558 \| good	0.25 \| good
2026-01-23T19:00:00.000Z	66 \| moderate	16.711 \| fine	73.759 \| fine	25.108 \| good	5.186 \| good	18.708 \| good	0.236 \| good
2026-01-23T20:00:00.000Z	67 \| moderate	18.393 \| fine	81.477 \| fine	31.002 \| good	5.859 \| good	18.858 \| good	0.221 \| good
2026-01-23T21:00:00.000Z	67 \| moderate	18.129 \| fine	79.876 \| fine	33.976 \| good	6.533 \| good	19.008 \| good	0.207 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.662 \| fine	60.918 \| fine	34.361 \| good	6.703 \| good	20.316 \| good	0.205 \| good
2026-01-23T23:00:00.000Z	52 \| moderate	9.819 \| good	43.635 \| good	35.126 \| good	6.872 \| good	21.625 \| good	0.202 \| good
2026-01-24T00:00:00.000Z	33 \| good	1.619 \| good	6.738 \| good	36.269 \| good	7.042 \| good	22.934 \| good	0.199 \| good
2026-01-24T01:00:00.000Z	33 \| good	5.69 \| good	24.737 \| good	32.842 \| good	7.032 \| good	27.89 \| good	0.234 \| good
2026-01-24T02:00:00.000Z	33 \| good	6.303 \| good	28.015 \| good	24.703 \| good	7.021 \| good	32.847 \| good	0.269 \| good
2026-01-24T03:00:00.000Z	52 \| moderate	9.794 \| good	43.564 \| good	19.085 \| good	7.011 \| good	37.803 \| good	0.304 \| good
2026-01-24T04:00:00.000Z	60 \| moderate	14.293 \| fine	63.656 \| fine	9.704 \| good	7.194 \| good	37.391 \| good	0.305 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.379 \| fine	64.673 \| fine	5.415 \| good	7.377 \| good	36.98 \| good	0.306 \| good
2026-01-24T06:00:00.000Z	58 \| moderate	13.343 \| fine	59.542 \| fine	4.604 \| good	7.561 \| good	36.568 \| good	0.307 \| good
2026-01-24T07:00:00.000Z	60 \| moderate	13.808 \| fine	61.867 \| fine	5.998 \| good	7.323 \| good	34.446 \| good	0.298 \| good
2026-01-24T08:00:00.000Z	64 \| moderate	15.881 \| fine	70.042 \| fine	7.32 \| good	7.085 \| good	32.323 \| good	0.288 \| good
2026-01-24T09:00:00.000Z	73 \| moderate	20.967 \| fine	92.544 \| fine	8.666 \| good	6.847 \| good	30.201 \| good	0.279 \| good
2026-01-24T10:00:00.000Z	73 \| moderate	20.729 \| fine	90.873 \| fine	12.971 \| good	6.766 \| good	29.054 \| good	0.266 \| good
2026-01-24T11:00:00.000Z	69 \| moderate	19.495 \| fine	85.957 \| fine	21.519 \| good	6.686 \| good	27.906 \| good	0.253 \| good
2026-01-24T12:00:00.000Z	67 \| moderate	17.967 \| fine	79.657 \| fine	18.857 \| good	6.605 \| good	26.758 \| good	0.24 \| good
2026-01-24T13:00:00.000Z	62 \| moderate	14.628 \| fine	65.008 \| fine	21.603 \| good	6.649 \| good	26.386 \| good	0.25 \| good
2026-01-24T14:00:00.000Z	62 \| moderate	14.915 \| fine	66.078 \| fine	21.496 \| good	6.693 \| good	26.014 \| good	0.261 \| good
2026-01-24T15:00:00.000Z	58 \| moderate	13.101 \| fine	58.747 \| fine	23.1 \| good	6.738 \| good	25.642 \| good	0.272 \| good
2026-01-24T16:00:00.000Z	49 \| good	9.443 \| good	41.631 \| good	23.319 \| good	6.506 \| good	21.28 \| good	0.246 \| good
2026-01-24T17:00:00.000Z	49 \| good	9.25 \| good	41.064 \| good	27.948 \| good	6.274 \| good	16.917 \| good	0.221 \| good
2026-01-24T18:00:00.000Z	38 \| good	6.922 \| good	30.983 \| good	30.45 \| good	6.043 \| good	12.554 \| good	0.196 \| good
2026-01-24T19:00:00.000Z	31 \| good	2.811 \| good	12.127 \| good	33.202 \| good	5.788 \| good	11.623 \| good	0.189 \| good
2026-01-24T20:00:00.000Z	33 \| good	4.518 \| good	19.982 \| good	36.225 \| good	5.533 \| good	10.693 \| good	0.182 \| good
2026-01-24T21:00:00.000Z	35 \| good	5.747 \| good	25.153 \| good	38.27 \| good	5.279 \| good	9.763 \| good	0.176 \| good
2026-01-24T22:00:00.000Z	44 \| good	8.424 \| good	37.238 \| good	39.988 \| good	5.214 \| good	10.325 \| good	0.176 \| good
2026-01-24T23:00:00.000Z	56 \| moderate	12.032 \| good	53.869 \| good	40.829 \| good	5.15 \| good	10.886 \| good	0.176 \| good
2026-01-25T00:00:00.000Z	44 \| good	7.637 \| good	33.655 \| good	37.882 \| good	5.086 \| good	11.448 \| good	0.176 \| good
2026-01-25T01:00:00.000Z	58 \| moderate	12.504 \| fine	56.325 \| fine	29.257 \| good	5.05 \| good	18 \| good	0.21 \| good
2026-01-25T02:00:00.000Z	60 \| moderate	14.459 \| fine	64.387 \| fine	23.199 \| good	5.014 \| good	24.552 \| good	0.244 \| good
2026-01-25T03:00:00.000Z	64 \| moderate	16.396 \| fine	73.07 \| fine	15.439 \| good	4.978 \| good	31.103 \| good	0.279 \| good
2026-01-25T04:00:00.000Z	71 \| moderate	20.194 \| fine	88.967 \| fine	7.547 \| good	5.401 \| good	30.575 \| good	0.313 \| good
2026-01-25T05:00:00.000Z	69 \| moderate	19.077 \| fine	84.107 \| fine	4.58 \| good	5.824 \| good	30.046 \| good	0.348 \| good
2026-01-25T06:00:00.000Z	66 \| moderate	16.766 \| fine	74.348 \| fine	4.165 \| good	6.247 \| good	29.518 \| good	0.383 \| good
2026-01-25T07:00:00.000Z	66 \| moderate	17.004 \| fine	75.399 \| fine	4.785 \| good	5.514 \| good	28.092 \| good	0.357 \| good
2026-01-25T08:00:00.000Z	69 \| moderate	18.991 \| fine	83.292 \| fine	3.506 \| good	4.781 \| good	26.666 \| good	0.33 \| good
2026-01-25T09:00:00.000Z	71 \| moderate	20.374 \| fine	89.693 \| fine	2.993 \| good	4.047 \| good	25.24 \| good	0.304 \| good
2026-01-25T10:00:00.000Z	66 \| moderate	16.657 \| fine	73.601 \| fine	3.933 \| good	3.429 \| good	24.133 \| good	0.279 \| good
2026-01-25T11:00:00.000Z	56 \| moderate	12.331 \| fine	54.707 \| good	6.353 \| good	2.811 \| good	23.027 \| good	0.253 \| good
2026-01-25T12:00:00.000Z	52 \| moderate	10.163 \| good	45.077 \| good	5.224 \| good	2.193 \| good	21.92 \| good	0.228 \| good
2026-01-25T13:00:00.000Z	54 \| moderate	11.048 \| good	48.701 \| good	4.959 \| good	2.119 \| good	22.294 \| good	0.221 \| good
2026-01-25T14:00:00.000Z	49 \| good	9.047 \| good	39.797 \| good	5.306 \| good	2.045 \| good	22.669 \| good	0.214 \| good
2026-01-25T15:00:00.000Z	49 \| good	8.933 \| good	39.129 \| good	5.566 \| good	1.97 \| good	23.043 \| good	0.208 \| good

Real-time air quality index in Fullerton, California today

Common air pollutants in Fullerton, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Fullerton, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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East Whittier, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Fullerton, California?

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

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

What are the current PM10 levels at Fullerton, California?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What are the current PM₁₀ levels at Fullerton, California?

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

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

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