What are the current PM10 levels at Santa Ana, California?

The current PM10 levels in Santa Ana, California are 32.158 μg/m3.

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

The current sulfur dioxide (SO2) levels in Santa Ana, California are 1.111 ppb.

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

The current ozone (O3) levels at Santa Ana, California is 40.593 ppm.

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

The current nitrogen dioxide (NO2) levels at Santa Ana, California is 27.358 ppb.

Real-time air quality index in Santa Ana, California today

Q: What are the current PM2.5 levels in Santa Ana, California?

The measured PM2.5 levels in Santa Ana, California at present are 16.372 μg/m3.

Stay updated with real-time air quality in Santa Ana, 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

Santa Ana, California

Last updated: ... (Local time)

Common air pollutants in Santa Ana, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

14.43 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.98 μg/m³

155

255

425

605+

Ozone (O₃)

37.82 ppb

201

201+

Sulfur Dioxide (SO₂)

1.08 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

32.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.67 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Santa Ana, California

Get Live Pollen Counts

Santa Ana, California

Scroll To Air Quality Map

Track live Santa Ana, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T01:00:00.000Z	25 \| good	4.236 \| good	24.397 \| good	26.592 \| good	0.424 \| good	25.379 \| good	0.496 \| good
2025-12-06T02:00:00.000Z	33 \| good	4.213 \| good	29.952 \| good	20.358 \| good	0.376 \| good	35.042 \| good	0.648 \| good
2025-12-06T03:00:00.000Z	37 \| good	6.08 \| good	25.559 \| good	15.455 \| good	0.624 \| good	39.271 \| good	0.826 \| good
2025-12-06T04:00:00.000Z	52 \| moderate	10.131 \| good	37.138 \| good	12.379 \| good	0.966 \| good	39.208 \| good	0.825 \| good
2025-12-06T05:00:00.000Z	56 \| moderate	11.909 \| good	33.963 \| good	7.434 \| good	0.865 \| good	37.832 \| good	0.882 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	13.602 \| fine	40.01 \| good	4.729 \| good	1.016 \| good	34.44 \| good	0.873 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	13.164 \| fine	32.266 \| good	4.608 \| good	1.009 \| good	34.425 \| good	0.872 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	14.248 \| fine	33.34 \| good	2.615 \| good	0.767 \| good	32.425 \| good	0.843 \| good
2025-12-06T09:00:00.000Z	60 \| moderate	14.163 \| fine	32.723 \| good	3.717 \| good	0.672 \| good	30.063 \| good	0.822 \| good
2025-12-06T10:00:00.000Z	58 \| moderate	12.936 \| fine	31.141 \| good	4.197 \| good	0.787 \| good	29.229 \| good	0.647 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	12.751 \| fine	33.785 \| good	2.482 \| good	0.949 \| good	28.973 \| good	0.533 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	16.347 \| fine	45.476 \| good	3.225 \| good	0.765 \| good	29.092 \| good	0.536 \| good
2025-12-06T13:00:00.000Z	58 \| moderate	13.027 \| fine	46.318 \| good	3.685 \| good	0.769 \| good	29.084 \| good	0.536 \| good
2025-12-06T14:00:00.000Z	56 \| moderate	12.113 \| fine	36.288 \| good	4.76 \| good	0.832 \| good	28.662 \| good	0.585 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.278 \| fine	41.495 \| good	5.202 \| good	0.963 \| good	29.468 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	58 \| moderate	13.131 \| fine	39.057 \| good	6.194 \| good	1.038 \| good	28.85 \| good	0.787 \| good
2025-12-06T17:00:00.000Z	58 \| moderate	12.653 \| fine	43.546 \| good	11.353 \| good	0.879 \| good	26.866 \| good	0.665 \| good
2025-12-06T18:00:00.000Z	52 \| moderate	9.756 \| good	37.914 \| good	19.2 \| good	0.731 \| good	22.193 \| good	0.463 \| good
2025-12-06T19:00:00.000Z	49 \| good	8.884 \| good	35.398 \| good	22.709 \| good	1.221 \| good	20.987 \| good	0.485 \| good
2025-12-06T20:00:00.000Z	52 \| moderate	9.677 \| good	46.74 \| good	28.074 \| good	0.968 \| good	18.442 \| good	0.501 \| good
2025-12-06T21:00:00.000Z	44 \| good	7.914 \| good	29.662 \| good	33.787 \| good	1.041 \| good	18.57 \| good	0.444 \| good
2025-12-06T22:00:00.000Z	31 \| good	4.993 \| good	19.744 \| good	34.305 \| good	0.407 \| good	13.966 \| good	0.357 \| good
2025-12-06T23:00:00.000Z	34 \| good	3.23 \| good	16.743 \| good	36.697 \| good	0.761 \| good	12.455 \| good	0.358 \| good
2025-12-07T00:00:00.000Z	34 \| good	3.737 \| good	14.761 \| good	36.764 \| good	0.801 \| good	14.348 \| good	0.358 \| good
2025-12-07T01:00:00.000Z	33 \| good	4.294 \| good	20.501 \| good	36.375 \| good	0.88 \| good	16.15 \| good	0.361 \| good
2025-12-07T02:00:00.000Z	33 \| good	5.864 \| good	22.607 \| good	33.099 \| good	0.848 \| good	20.602 \| good	0.45 \| good
2025-12-07T03:00:00.000Z	38 \| good	7.088 \| good	34.347 \| good	28.32 \| good	0.812 \| good	20.984 \| good	0.522 \| good
2025-12-07T04:00:00.000Z	49 \| good	8.64 \| good	36.832 \| good	25.989 \| good	0.987 \| good	22.486 \| good	0.536 \| good
2025-12-07T05:00:00.000Z	67 \| moderate	17.692 \| fine	44.563 \| good	22.929 \| good	0.761 \| good	28.718 \| good	0.715 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.53 \| fine	34.767 \| good	17.611 \| good	0.896 \| good	30.844 \| good	0.942 \| good
2025-12-07T07:00:00.000Z	73 \| moderate	21.099 \| fine	76.491 \| fine	16.192 \| good	0.897 \| good	30.927 \| good	0.942 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	15.774 \| fine	46.342 \| good	12.902 \| good	0.998 \| good	27.926 \| good	0.822 \| good
2025-12-07T09:00:00.000Z	60 \| moderate	14.223 \| fine	32.586 \| good	8.39 \| good	0.677 \| good	26.475 \| good	0.717 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	17.492 \| fine	40.38 \| good	5.273 \| good	0.934 \| good	25.225 \| good	0.599 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	18.712 \| fine	33.55 \| good	4.269 \| good	0.929 \| good	25.102 \| good	0.6 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	18.739 \| fine	35.445 \| good	3.597 \| good	0.928 \| good	25.269 \| good	0.6 \| good
2025-12-07T13:00:00.000Z	67 \| moderate	17.564 \| fine	38.103 \| good	4.429 \| good	0.818 \| good	6.002 \| good	0.61 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17.398 \| fine	43.411 \| good	3.521 \| good	0.594 \| good	24.793 \| good	0.529 \| good
2025-12-07T15:00:00.000Z	64 \| moderate	15.609 \| fine	47.165 \| good	3.702 \| good	0.715 \| good	25.088 \| good	0.621 \| good
2025-12-07T16:00:00.000Z	66 \| moderate	16.717 \| fine	58.898 \| fine	4.329 \| good	0.729 \| good	24.017 \| good	0.679 \| good
2025-12-07T17:00:00.000Z	69 \| moderate	18.684 \| fine	55.182 \| fine	12.632 \| good	0.636 \| good	22.268 \| good	0.61 \| good
2025-12-07T18:00:00.000Z	69 \| moderate	19.244 \| fine	40.911 \| good	20.265 \| good	0.55 \| good	20.096 \| good	0.495 \| good
2025-12-07T19:00:00.000Z	62 \| moderate	15.295 \| fine	45.915 \| good	20.879 \| good	0.768 \| good	20.34 \| good	0.478 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	14.471 \| fine	43.719 \| good	31.224 \| good	1.037 \| good	21.896 \| good	0.534 \| good
2025-12-07T21:00:00.000Z	66 \| moderate	16.653 \| fine	40.017 \| good	34.6 \| good	0.729 \| good	20.455 \| good	0.492 \| good
2025-12-07T22:00:00.000Z	67 \| moderate	18.494 \| fine	52.693 \| good	38.283 \| good	0.834 \| good	20.677 \| good	0.499 \| good
2025-12-07T23:00:00.000Z	64 \| moderate	16.372 \| fine	32.158 \| good	40.593 \| good	1.111 \| good	27.358 \| good	0.624 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.429 \| fine	39.976 \| good	37.821 \| good	1.085 \| good	32.089 \| good	0.665 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	24.704 \| fine	108.434 \| fine	33.709 \| good	4.663 \| good	39.093 \| good	0.393 \| good
2025-12-08T02:00:00.000Z	79 \| moderate	23.752 \| fine	104.065 \| fine	27.371 \| good	4.641 \| good	42.579 \| good	0.455 \| good
2025-12-08T03:00:00.000Z	86 \| moderate	28.109 \| fine	122.416 \| fine	17.461 \| good	4.619 \| good	46.065 \| good	0.516 \| good
2025-12-08T04:00:00.000Z	107 \| sensitive	37.703 \| moderate	165.689 \| moderate	12.334 \| good	4.33 \| good	43.96 \| good	0.51 \| good
2025-12-08T05:00:00.000Z	127 \| sensitive	45.522 \| moderate	203.85 \| moderate	9.398 \| good	4.042 \| good	41.855 \| good	0.505 \| good
2025-12-08T06:00:00.000Z	132 \| sensitive	48.224 \| moderate	216.533 \| moderate	7.675 \| good	3.753 \| good	39.749 \| good	0.5 \| good
2025-12-08T07:00:00.000Z	137 \| sensitive	50.424 \| moderate	226.639 \| moderate	6.934 \| good	3.344 \| good	38.14 \| good	0.463 \| good
2025-12-08T08:00:00.000Z	153 \| unhealthy	58.123 \| poor	254.545 \| moderate	6.851 \| good	2.934 \| good	36.53 \| good	0.426 \| good
2025-12-08T09:00:00.000Z	155 \| unhealthy	61.467 \| poor	261.114 \| poor	6.03 \| good	2.525 \| good	34.92 \| good	0.389 \| good
2025-12-08T10:00:00.000Z	157 \| unhealthy	64.358 \| poor	264.12 \| poor	8.948 \| good	2.378 \| good	33.815 \| good	0.357 \| good
2025-12-08T11:00:00.000Z	159 \| unhealthy	67.137 \| poor	266.948 \| poor	6.917 \| good	2.232 \| good	32.71 \| good	0.326 \| good
2025-12-08T12:00:00.000Z	159 \| unhealthy	67.17 \| poor	266.713 \| poor	6.532 \| good	2.085 \| good	31.604 \| good	0.295 \| good
2025-12-08T13:00:00.000Z	161 \| unhealthy	69.895 \| poor	269.661 \| poor	6.448 \| good	2.215 \| good	31.02 \| good	0.289 \| good
2025-12-08T14:00:00.000Z	157 \| unhealthy	64.05 \| poor	263.241 \| poor	4.631 \| good	2.344 \| good	30.436 \| good	0.284 \| good
2025-12-08T15:00:00.000Z	153 \| unhealthy	58.262 \| poor	252.167 \| moderate	3.65 \| good	2.474 \| good	29.852 \| good	0.279 \| good
2025-12-08T16:00:00.000Z	134 \| sensitive	49.015 \| moderate	215.253 \| moderate	5.799 \| good	2.666 \| good	26.956 \| good	0.283 \| good
2025-12-08T17:00:00.000Z	117 \| sensitive	41.823 \| moderate	183.42 \| moderate	16.218 \| good	2.858 \| good	24.061 \| good	0.287 \| good
2025-12-08T18:00:00.000Z	77 \| moderate	23.438 \| fine	103.28 \| fine	26.829 \| good	3.05 \| good	21.165 \| good	0.291 \| good
2025-12-08T19:00:00.000Z	62 \| moderate	15.026 \| fine	66.481 \| fine	31.752 \| good	3.21 \| good	20.599 \| good	0.276 \| good
2025-12-08T20:00:00.000Z	60 \| moderate	14.001 \| fine	61.627 \| fine	35.905 \| good	3.37 \| good	20.033 \| good	0.26 \| good
2025-12-08T21:00:00.000Z	58 \| moderate	12.547 \| fine	54.772 \| good	36.947 \| good	3.531 \| good	19.466 \| good	0.245 \| good
2025-12-08T22:00:00.000Z	58 \| moderate	12.521 \| fine	55.336 \| fine	36.062 \| good	3.739 \| good	23.754 \| good	0.261 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.676 \| fine	60.659 \| fine	31.187 \| good	3.947 \| good	28.041 \| good	0.277 \| good
2025-12-09T00:00:00.000Z	64 \| moderate	15.905 \| fine	70.842 \| fine	23.031 \| good	4.156 \| good	32.328 \| good	0.293 \| good
2025-12-09T01:00:00.000Z	67 \| moderate	17.61 \| fine	78.068 \| fine	15.276 \| good	4.193 \| good	35.063 \| good	0.324 \| good
2025-12-09T02:00:00.000Z	69 \| moderate	19.135 \| fine	84.382 \| fine	11.977 \| good	4.231 \| good	37.799 \| good	0.356 \| good
2025-12-09T03:00:00.000Z	71 \| moderate	20.055 \| fine	88.252 \| fine	5.13 \| good	4.269 \| good	40.534 \| good	0.388 \| good
2025-12-09T04:00:00.000Z	66 \| moderate	17.219 \| fine	76.022 \| fine	8.028 \| good	3.995 \| good	39.365 \| good	0.381 \| good
2025-12-09T05:00:00.000Z	56 \| moderate	11.89 \| good	53.127 \| good	11.671 \| good	3.722 \| good	38.195 \| good	0.373 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.774 \| good	29.78 \| good	15.406 \| good	3.448 \| good	37.026 \| good	0.366 \| good
2025-12-09T07:00:00.000Z	33 \| good	5.72 \| good	24.999 \| good	12.391 \| good	2.865 \| good	34.316 \| good	0.33 \| good
2025-12-09T08:00:00.000Z	44 \| good	8.007 \| good	35.065 \| good	12.63 \| good	2.283 \| good	31.607 \| good	0.295 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	10.296 \| good	45.44 \| good	9.295 \| good	1.7 \| good	28.897 \| good	0.259 \| good
2025-12-09T10:00:00.000Z	54 \| moderate	10.863 \| good	47.93 \| good	6.493 \| good	1.565 \| good	25.344 \| good	0.229 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	11.628 \| good	51.894 \| good	5.839 \| good	1.43 \| good	21.791 \| good	0.199 \| good
2025-12-09T12:00:00.000Z	58 \| moderate	13.114 \| fine	59.144 \| fine	5.6 \| good	1.295 \| good	18.238 \| good	0.169 \| good
2025-12-09T13:00:00.000Z	33 \| good	5.947 \| good	26.18 \| good	6.356 \| good	1.41 \| good	19.048 \| good	0.174 \| good
2025-12-09T14:00:00.000Z	44 \| good	7.625 \| good	33.656 \| good	4.377 \| good	1.524 \| good	19.858 \| good	0.179 \| good
2025-12-09T15:00:00.000Z	27 \| good	5.414 \| good	23.704 \| good	3.022 \| good	1.639 \| good	20.668 \| good	0.184 \| good
2025-12-09T16:00:00.000Z	38 \| good	6.619 \| good	29.001 \| good	3.59 \| good	1.968 \| good	19.836 \| good	0.2 \| good
2025-12-09T17:00:00.000Z	33 \| good	5.709 \| good	25.056 \| good	9.496 \| good	2.298 \| good	19.005 \| good	0.216 \| good
2025-12-09T18:00:00.000Z	22 \| good	3.617 \| good	15.605 \| good	18.35 \| good	2.627 \| good	18.173 \| good	0.232 \| good
2025-12-09T19:00:00.000Z	27 \| good	4.716 \| good	20.852 \| good	23.968 \| good	2.966 \| good	17.94 \| good	0.22 \| good
2025-12-09T20:00:00.000Z	27 \| good	4.775 \| good	20.972 \| good	27.686 \| good	3.305 \| good	17.707 \| good	0.207 \| good
2025-12-09T21:00:00.000Z	27 \| good	3.621 \| good	15.441 \| good	29.334 \| good	3.644 \| good	17.474 \| good	0.195 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.261 \| good	18.381 \| good	28.798 \| good	3.83 \| good	22.011 \| good	0.217 \| good
2025-12-09T23:00:00.000Z	27 \| good	4.835 \| good	21.438 \| good	22.774 \| good	4.016 \| good	26.549 \| good	0.238 \| good
2025-12-10T00:00:00.000Z	69 \| moderate	19.124 \| fine	19.622 \| good	18.857 \| good	4.217 \| good	31.334 \| good	0.262 \| good

Santa Ana

Empower business decisions with accurate air quality data

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

0.55ppm

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 Santa Ana, California updated?

Air quality data for Santa Ana, California is updated on an hourly basis.

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

The worst air quality in Santa Ana, California was recorded at 07:00:00 on 2025-12-07.

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

The best air quality in Santa Ana, California was recorded at 02:00:00 on 2025-12-07.

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

The real-time air quality index in Santa Ana, California is 64, currently categorized as Moderate.

Which pollutant is found most often in Santa Ana, California?

The most common pollutant in Santa Ana, California is PM2.5.

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

If the air quality in Santa Ana, California is poor, limit outdoor activities and use a mask to safeguard your health.

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

The measured PM_2.5 levels in Santa Ana, California at present are 16.372 μg/m³.

What are the current PM₁₀ levels at Santa Ana, California?

The current PM₁₀ levels in Santa Ana, California are 32.158 μg/m³.

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

The current carbon monoxide (CO) level in Santa Ana, California is 0.624 ppm.

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

The current sulfur dioxide (SO₂) levels in Santa Ana, California are 1.111 ppb.

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

The current ozone (O₃) levels at Santa Ana, California is 40.593 ppm.

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

The current nitrogen dioxide (NO₂) levels at Santa Ana, California is 27.358 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T01:00:00.000Z	25 \| good	4.236 \| good	24.397 \| good	26.592 \| good	0.424 \| good	25.379 \| good	0.496 \| good
2025-12-06T02:00:00.000Z	33 \| good	4.213 \| good	29.952 \| good	20.358 \| good	0.376 \| good	35.042 \| good	0.648 \| good
2025-12-06T03:00:00.000Z	37 \| good	6.08 \| good	25.559 \| good	15.455 \| good	0.624 \| good	39.271 \| good	0.826 \| good
2025-12-06T04:00:00.000Z	52 \| moderate	10.131 \| good	37.138 \| good	12.379 \| good	0.966 \| good	39.208 \| good	0.825 \| good
2025-12-06T05:00:00.000Z	56 \| moderate	11.909 \| good	33.963 \| good	7.434 \| good	0.865 \| good	37.832 \| good	0.882 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	13.602 \| fine	40.01 \| good	4.729 \| good	1.016 \| good	34.44 \| good	0.873 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	13.164 \| fine	32.266 \| good	4.608 \| good	1.009 \| good	34.425 \| good	0.872 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	14.248 \| fine	33.34 \| good	2.615 \| good	0.767 \| good	32.425 \| good	0.843 \| good
2025-12-06T09:00:00.000Z	60 \| moderate	14.163 \| fine	32.723 \| good	3.717 \| good	0.672 \| good	30.063 \| good	0.822 \| good
2025-12-06T10:00:00.000Z	58 \| moderate	12.936 \| fine	31.141 \| good	4.197 \| good	0.787 \| good	29.229 \| good	0.647 \| good
2025-12-06T11:00:00.000Z	58 \| moderate	12.751 \| fine	33.785 \| good	2.482 \| good	0.949 \| good	28.973 \| good	0.533 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	16.347 \| fine	45.476 \| good	3.225 \| good	0.765 \| good	29.092 \| good	0.536 \| good
2025-12-06T13:00:00.000Z	58 \| moderate	13.027 \| fine	46.318 \| good	3.685 \| good	0.769 \| good	29.084 \| good	0.536 \| good
2025-12-06T14:00:00.000Z	56 \| moderate	12.113 \| fine	36.288 \| good	4.76 \| good	0.832 \| good	28.662 \| good	0.585 \| good
2025-12-06T15:00:00.000Z	60 \| moderate	14.278 \| fine	41.495 \| good	5.202 \| good	0.963 \| good	29.468 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	58 \| moderate	13.131 \| fine	39.057 \| good	6.194 \| good	1.038 \| good	28.85 \| good	0.787 \| good
2025-12-06T17:00:00.000Z	58 \| moderate	12.653 \| fine	43.546 \| good	11.353 \| good	0.879 \| good	26.866 \| good	0.665 \| good
2025-12-06T18:00:00.000Z	52 \| moderate	9.756 \| good	37.914 \| good	19.2 \| good	0.731 \| good	22.193 \| good	0.463 \| good
2025-12-06T19:00:00.000Z	49 \| good	8.884 \| good	35.398 \| good	22.709 \| good	1.221 \| good	20.987 \| good	0.485 \| good
2025-12-06T20:00:00.000Z	52 \| moderate	9.677 \| good	46.74 \| good	28.074 \| good	0.968 \| good	18.442 \| good	0.501 \| good
2025-12-06T21:00:00.000Z	44 \| good	7.914 \| good	29.662 \| good	33.787 \| good	1.041 \| good	18.57 \| good	0.444 \| good
2025-12-06T22:00:00.000Z	31 \| good	4.993 \| good	19.744 \| good	34.305 \| good	0.407 \| good	13.966 \| good	0.357 \| good
2025-12-06T23:00:00.000Z	34 \| good	3.23 \| good	16.743 \| good	36.697 \| good	0.761 \| good	12.455 \| good	0.358 \| good
2025-12-07T00:00:00.000Z	34 \| good	3.737 \| good	14.761 \| good	36.764 \| good	0.801 \| good	14.348 \| good	0.358 \| good
2025-12-07T01:00:00.000Z	33 \| good	4.294 \| good	20.501 \| good	36.375 \| good	0.88 \| good	16.15 \| good	0.361 \| good
2025-12-07T02:00:00.000Z	33 \| good	5.864 \| good	22.607 \| good	33.099 \| good	0.848 \| good	20.602 \| good	0.45 \| good
2025-12-07T03:00:00.000Z	38 \| good	7.088 \| good	34.347 \| good	28.32 \| good	0.812 \| good	20.984 \| good	0.522 \| good
2025-12-07T04:00:00.000Z	49 \| good	8.64 \| good	36.832 \| good	25.989 \| good	0.987 \| good	22.486 \| good	0.536 \| good
2025-12-07T05:00:00.000Z	67 \| moderate	17.692 \| fine	44.563 \| good	22.929 \| good	0.761 \| good	28.718 \| good	0.715 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.53 \| fine	34.767 \| good	17.611 \| good	0.896 \| good	30.844 \| good	0.942 \| good
2025-12-07T07:00:00.000Z	73 \| moderate	21.099 \| fine	76.491 \| fine	16.192 \| good	0.897 \| good	30.927 \| good	0.942 \| good
2025-12-07T08:00:00.000Z	64 \| moderate	15.774 \| fine	46.342 \| good	12.902 \| good	0.998 \| good	27.926 \| good	0.822 \| good
2025-12-07T09:00:00.000Z	60 \| moderate	14.223 \| fine	32.586 \| good	8.39 \| good	0.677 \| good	26.475 \| good	0.717 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	17.492 \| fine	40.38 \| good	5.273 \| good	0.934 \| good	25.225 \| good	0.599 \| good
2025-12-07T11:00:00.000Z	69 \| moderate	18.712 \| fine	33.55 \| good	4.269 \| good	0.929 \| good	25.102 \| good	0.6 \| good
2025-12-07T12:00:00.000Z	69 \| moderate	18.739 \| fine	35.445 \| good	3.597 \| good	0.928 \| good	25.269 \| good	0.6 \| good
2025-12-07T13:00:00.000Z	67 \| moderate	17.564 \| fine	38.103 \| good	4.429 \| good	0.818 \| good	6.002 \| good	0.61 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17.398 \| fine	43.411 \| good	3.521 \| good	0.594 \| good	24.793 \| good	0.529 \| good
2025-12-07T15:00:00.000Z	64 \| moderate	15.609 \| fine	47.165 \| good	3.702 \| good	0.715 \| good	25.088 \| good	0.621 \| good
2025-12-07T16:00:00.000Z	66 \| moderate	16.717 \| fine	58.898 \| fine	4.329 \| good	0.729 \| good	24.017 \| good	0.679 \| good
2025-12-07T17:00:00.000Z	69 \| moderate	18.684 \| fine	55.182 \| fine	12.632 \| good	0.636 \| good	22.268 \| good	0.61 \| good
2025-12-07T18:00:00.000Z	69 \| moderate	19.244 \| fine	40.911 \| good	20.265 \| good	0.55 \| good	20.096 \| good	0.495 \| good
2025-12-07T19:00:00.000Z	62 \| moderate	15.295 \| fine	45.915 \| good	20.879 \| good	0.768 \| good	20.34 \| good	0.478 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	14.471 \| fine	43.719 \| good	31.224 \| good	1.037 \| good	21.896 \| good	0.534 \| good
2025-12-07T21:00:00.000Z	66 \| moderate	16.653 \| fine	40.017 \| good	34.6 \| good	0.729 \| good	20.455 \| good	0.492 \| good
2025-12-07T22:00:00.000Z	67 \| moderate	18.494 \| fine	52.693 \| good	38.283 \| good	0.834 \| good	20.677 \| good	0.499 \| good
2025-12-07T23:00:00.000Z	64 \| moderate	16.372 \| fine	32.158 \| good	40.593 \| good	1.111 \| good	27.358 \| good	0.624 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.429 \| fine	39.976 \| good	37.821 \| good	1.085 \| good	32.089 \| good	0.665 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	24.704 \| fine	108.434 \| fine	33.709 \| good	4.663 \| good	39.093 \| good	0.393 \| good
2025-12-08T02:00:00.000Z	79 \| moderate	23.752 \| fine	104.065 \| fine	27.371 \| good	4.641 \| good	42.579 \| good	0.455 \| good
2025-12-08T03:00:00.000Z	86 \| moderate	28.109 \| fine	122.416 \| fine	17.461 \| good	4.619 \| good	46.065 \| good	0.516 \| good
2025-12-08T04:00:00.000Z	107 \| sensitive	37.703 \| moderate	165.689 \| moderate	12.334 \| good	4.33 \| good	43.96 \| good	0.51 \| good
2025-12-08T05:00:00.000Z	127 \| sensitive	45.522 \| moderate	203.85 \| moderate	9.398 \| good	4.042 \| good	41.855 \| good	0.505 \| good
2025-12-08T06:00:00.000Z	132 \| sensitive	48.224 \| moderate	216.533 \| moderate	7.675 \| good	3.753 \| good	39.749 \| good	0.5 \| good
2025-12-08T07:00:00.000Z	137 \| sensitive	50.424 \| moderate	226.639 \| moderate	6.934 \| good	3.344 \| good	38.14 \| good	0.463 \| good
2025-12-08T08:00:00.000Z	153 \| unhealthy	58.123 \| poor	254.545 \| moderate	6.851 \| good	2.934 \| good	36.53 \| good	0.426 \| good
2025-12-08T09:00:00.000Z	155 \| unhealthy	61.467 \| poor	261.114 \| poor	6.03 \| good	2.525 \| good	34.92 \| good	0.389 \| good
2025-12-08T10:00:00.000Z	157 \| unhealthy	64.358 \| poor	264.12 \| poor	8.948 \| good	2.378 \| good	33.815 \| good	0.357 \| good
2025-12-08T11:00:00.000Z	159 \| unhealthy	67.137 \| poor	266.948 \| poor	6.917 \| good	2.232 \| good	32.71 \| good	0.326 \| good
2025-12-08T12:00:00.000Z	159 \| unhealthy	67.17 \| poor	266.713 \| poor	6.532 \| good	2.085 \| good	31.604 \| good	0.295 \| good
2025-12-08T13:00:00.000Z	161 \| unhealthy	69.895 \| poor	269.661 \| poor	6.448 \| good	2.215 \| good	31.02 \| good	0.289 \| good
2025-12-08T14:00:00.000Z	157 \| unhealthy	64.05 \| poor	263.241 \| poor	4.631 \| good	2.344 \| good	30.436 \| good	0.284 \| good
2025-12-08T15:00:00.000Z	153 \| unhealthy	58.262 \| poor	252.167 \| moderate	3.65 \| good	2.474 \| good	29.852 \| good	0.279 \| good
2025-12-08T16:00:00.000Z	134 \| sensitive	49.015 \| moderate	215.253 \| moderate	5.799 \| good	2.666 \| good	26.956 \| good	0.283 \| good
2025-12-08T17:00:00.000Z	117 \| sensitive	41.823 \| moderate	183.42 \| moderate	16.218 \| good	2.858 \| good	24.061 \| good	0.287 \| good
2025-12-08T18:00:00.000Z	77 \| moderate	23.438 \| fine	103.28 \| fine	26.829 \| good	3.05 \| good	21.165 \| good	0.291 \| good
2025-12-08T19:00:00.000Z	62 \| moderate	15.026 \| fine	66.481 \| fine	31.752 \| good	3.21 \| good	20.599 \| good	0.276 \| good
2025-12-08T20:00:00.000Z	60 \| moderate	14.001 \| fine	61.627 \| fine	35.905 \| good	3.37 \| good	20.033 \| good	0.26 \| good
2025-12-08T21:00:00.000Z	58 \| moderate	12.547 \| fine	54.772 \| good	36.947 \| good	3.531 \| good	19.466 \| good	0.245 \| good
2025-12-08T22:00:00.000Z	58 \| moderate	12.521 \| fine	55.336 \| fine	36.062 \| good	3.739 \| good	23.754 \| good	0.261 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.676 \| fine	60.659 \| fine	31.187 \| good	3.947 \| good	28.041 \| good	0.277 \| good
2025-12-09T00:00:00.000Z	64 \| moderate	15.905 \| fine	70.842 \| fine	23.031 \| good	4.156 \| good	32.328 \| good	0.293 \| good
2025-12-09T01:00:00.000Z	67 \| moderate	17.61 \| fine	78.068 \| fine	15.276 \| good	4.193 \| good	35.063 \| good	0.324 \| good
2025-12-09T02:00:00.000Z	69 \| moderate	19.135 \| fine	84.382 \| fine	11.977 \| good	4.231 \| good	37.799 \| good	0.356 \| good
2025-12-09T03:00:00.000Z	71 \| moderate	20.055 \| fine	88.252 \| fine	5.13 \| good	4.269 \| good	40.534 \| good	0.388 \| good
2025-12-09T04:00:00.000Z	66 \| moderate	17.219 \| fine	76.022 \| fine	8.028 \| good	3.995 \| good	39.365 \| good	0.381 \| good
2025-12-09T05:00:00.000Z	56 \| moderate	11.89 \| good	53.127 \| good	11.671 \| good	3.722 \| good	38.195 \| good	0.373 \| good
2025-12-09T06:00:00.000Z	38 \| good	6.774 \| good	29.78 \| good	15.406 \| good	3.448 \| good	37.026 \| good	0.366 \| good
2025-12-09T07:00:00.000Z	33 \| good	5.72 \| good	24.999 \| good	12.391 \| good	2.865 \| good	34.316 \| good	0.33 \| good
2025-12-09T08:00:00.000Z	44 \| good	8.007 \| good	35.065 \| good	12.63 \| good	2.283 \| good	31.607 \| good	0.295 \| good
2025-12-09T09:00:00.000Z	52 \| moderate	10.296 \| good	45.44 \| good	9.295 \| good	1.7 \| good	28.897 \| good	0.259 \| good
2025-12-09T10:00:00.000Z	54 \| moderate	10.863 \| good	47.93 \| good	6.493 \| good	1.565 \| good	25.344 \| good	0.229 \| good
2025-12-09T11:00:00.000Z	56 \| moderate	11.628 \| good	51.894 \| good	5.839 \| good	1.43 \| good	21.791 \| good	0.199 \| good
2025-12-09T12:00:00.000Z	58 \| moderate	13.114 \| fine	59.144 \| fine	5.6 \| good	1.295 \| good	18.238 \| good	0.169 \| good
2025-12-09T13:00:00.000Z	33 \| good	5.947 \| good	26.18 \| good	6.356 \| good	1.41 \| good	19.048 \| good	0.174 \| good
2025-12-09T14:00:00.000Z	44 \| good	7.625 \| good	33.656 \| good	4.377 \| good	1.524 \| good	19.858 \| good	0.179 \| good
2025-12-09T15:00:00.000Z	27 \| good	5.414 \| good	23.704 \| good	3.022 \| good	1.639 \| good	20.668 \| good	0.184 \| good
2025-12-09T16:00:00.000Z	38 \| good	6.619 \| good	29.001 \| good	3.59 \| good	1.968 \| good	19.836 \| good	0.2 \| good
2025-12-09T17:00:00.000Z	33 \| good	5.709 \| good	25.056 \| good	9.496 \| good	2.298 \| good	19.005 \| good	0.216 \| good
2025-12-09T18:00:00.000Z	22 \| good	3.617 \| good	15.605 \| good	18.35 \| good	2.627 \| good	18.173 \| good	0.232 \| good
2025-12-09T19:00:00.000Z	27 \| good	4.716 \| good	20.852 \| good	23.968 \| good	2.966 \| good	17.94 \| good	0.22 \| good
2025-12-09T20:00:00.000Z	27 \| good	4.775 \| good	20.972 \| good	27.686 \| good	3.305 \| good	17.707 \| good	0.207 \| good
2025-12-09T21:00:00.000Z	27 \| good	3.621 \| good	15.441 \| good	29.334 \| good	3.644 \| good	17.474 \| good	0.195 \| good
2025-12-09T22:00:00.000Z	27 \| good	4.261 \| good	18.381 \| good	28.798 \| good	3.83 \| good	22.011 \| good	0.217 \| good
2025-12-09T23:00:00.000Z	27 \| good	4.835 \| good	21.438 \| good	22.774 \| good	4.016 \| good	26.549 \| good	0.238 \| good
2025-12-10T00:00:00.000Z	69 \| moderate	19.124 \| fine	19.622 \| good	18.857 \| good	4.217 \| good	31.334 \| good	0.262 \| good

Real-time air quality index in Santa Ana, California today

Common air pollutants in Santa Ana, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Santa Ana, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Tustin, California

Orange, California

Garden Grove, California

North Tustin, California

Irvine, California

Fountain Valley, 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 Santa Ana, California updated?

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

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

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

Which pollutant is found most often in Santa Ana, California?

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

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

What are the current PM10 levels at Santa Ana, California?

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

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

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

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

What are the current PM₁₀ levels at Santa Ana, California?

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

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

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