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

The current PM10 levels in Santa Ana, California are 16.245 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 0.564 ppb.

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

The current ozone (O3) levels at Santa Ana, California is 34.653 ppm.

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

The current nitrogen dioxide (NO2) levels at Santa Ana, California is 15.253 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 5.658 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)

Good

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)

5.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.25 μg/m³

155

255

425

605+

Ozone (O₃)

34.65 ppb

201

201+

Sulfur Dioxide (SO₂)

0.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.59 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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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
2026-03-08T07:00:00.000Z	28 \| good	3.164 \| good	20.255 \| good	29.983 \| good	0.299 \| good	14.566 \| good	0.511 \| good
2026-03-08T08:00:00.000Z	31 \| good	3.881 \| good	26.243 \| good	33.249 \| good	0.356 \| good	5.967 \| good	0.33 \| good
2026-03-08T09:00:00.000Z	31 \| good	4.094 \| good	20.042 \| good	34.117 \| good	0.272 \| good	3.747 \| good	0.244 \| good
2026-03-08T10:00:00.000Z	32 \| good	2.865 \| good	13.693 \| good	35.316 \| good	0.278 \| good	3.747 \| good	0.244 \| good
2026-03-08T11:00:00.000Z	35 \| good	2.924 \| good	15.024 \| good	38.22 \| good	0.286 \| good	3.747 \| good	0.245 \| good
2026-03-08T12:00:00.000Z	32 \| good	2.924 \| good	13.756 \| good	34.762 \| good	0.421 \| good	5.179 \| good	0.298 \| good
2026-03-08T13:00:00.000Z	49 \| good	8.743 \| good	37.944 \| good	34.762 \| good	0.497 \| good	5.38 \| good	0.298 \| good
2026-03-08T14:00:00.000Z	33 \| good	5.73 \| good	15.538 \| good	30.291 \| good	0.438 \| good	21.893 \| good	0.618 \| good
2026-03-08T15:00:00.000Z	38 \| good	6.861 \| good	18.587 \| good	27.89 \| good	0.624 \| good	23.905 \| good	0.852 \| good
2026-03-08T16:00:00.000Z	33 \| good	5.71 \| good	16.26 \| good	30.121 \| good	0.564 \| good	21.152 \| good	0.788 \| good
2026-03-08T17:00:00.000Z	33 \| good	5.617 \| good	13.647 \| good	31.432 \| good	0.512 \| good	18.308 \| good	0.663 \| good
2026-03-08T18:00:00.000Z	33 \| good	4.282 \| good	14.281 \| good	36.456 \| good	0.447 \| good	7.602 \| good	0.399 \| good
2026-03-08T19:00:00.000Z	38 \| good	4.126 \| good	19.269 \| good	41.3 \| good	0.36 \| good	3.727 \| good	0.291 \| good
2026-03-08T20:00:00.000Z	39 \| good	2.125 \| good	20.791 \| good	42.248 \| good	0.299 \| good	2.751 \| good	0.275 \| good
2026-03-08T21:00:00.000Z	40 \| good	3.58 \| good	16.041 \| good	42.711 \| good	0.332 \| good	2.349 \| good	0.265 \| good
2026-03-08T22:00:00.000Z	45 \| good	2.837 \| good	13.285 \| good	49.192 \| good	0.666 \| good	2.443 \| good	0.265 \| good
2026-03-08T23:00:00.000Z	47 \| good	0.967 \| good	12.819 \| good	51.23 \| good	0.397 \| good	2.787 \| good	0.261 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.082 \| good	12.655 \| good	49.192 \| good	0.301 \| good	2.737 \| good	0.341 \| good
2026-03-09T01:00:00.000Z	43 \| good	2.675 \| good	11.698 \| good	45.923 \| good	0.415 \| good	3.319 \| good	0.261 \| good
2026-03-09T02:00:00.000Z	41 \| good	3.032 \| good	17.699 \| good	43.911 \| good	0.437 \| good	6.328 \| good	0.268 \| good
2026-03-09T03:00:00.000Z	41 \| good	5.831 \| good	25.677 \| good	43.905 \| good	1.968 \| good	37.547 \| good	0.337 \| good
2026-03-09T04:00:00.000Z	36 \| good	5.033 \| good	24.403 \| good	39.044 \| good	0.412 \| good	19.829 \| good	0.666 \| good
2026-03-09T05:00:00.000Z	38 \| good	6.507 \| good	33.236 \| good	38.693 \| good	0.534 \| good	9.928 \| good	0.478 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.375 \| good	21.953 \| good	35.944 \| good	0.339 \| good	9.407 \| good	0.521 \| good
2026-03-09T07:00:00.000Z	32 \| good	4.954 \| good	23.923 \| good	34.67 \| good	0.369 \| good	9.407 \| good	0.522 \| good
2026-03-09T08:00:00.000Z	33 \| good	6.174 \| good	19.528 \| good	35.82 \| good	0.613 \| good	5.493 \| good	0.367 \| good
2026-03-09T09:00:00.000Z	35 \| good	6.432 \| good	20.865 \| good	38.324 \| good	0.586 \| good	3.664 \| good	0.268 \| good
2026-03-09T10:00:00.000Z	34 \| good	5.645 \| good	21.306 \| good	37.23 \| good	0.53 \| good	3.168 \| good	0.268 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.754 \| good	19.311 \| good	34 \| good	0.584 \| good	4.862 \| good	0.28 \| good
2026-03-09T12:00:00.000Z	33 \| good	6.486 \| good	20.781 \| good	28.868 \| good	0.482 \| good	9.314 \| good	0.368 \| good
2026-03-09T13:00:00.000Z	33 \| good	6.153 \| good	22.23 \| good	31.087 \| good	0.483 \| good	9.314 \| good	0.368 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.233 \| good	31.559 \| good	26.024 \| good	0.472 \| good	24.962 \| good	0.601 \| good
2026-03-09T15:00:00.000Z	44 \| good	8.265 \| good	32.728 \| good	19.781 \| good	0.553 \| good	25.429 \| good	0.7 \| good
2026-03-09T16:00:00.000Z	49 \| good	8.672 \| good	34.037 \| good	22.021 \| good	0.604 \| good	23.018 \| good	0.666 \| good
2026-03-09T17:00:00.000Z	44 \| good	7.77 \| good	33.084 \| good	30.118 \| good	0.778 \| good	12.131 \| good	0.457 \| good
2026-03-09T18:00:00.000Z	33 \| good	6.231 \| good	33.01 \| good	33.156 \| good	0.667 \| good	9.868 \| good	0.441 \| good
2026-03-09T19:00:00.000Z	34 \| good	5.117 \| good	24.391 \| good	37.292 \| good	0.636 \| good	8.113 \| good	0.354 \| good
2026-03-09T20:00:00.000Z	39 \| good	5.409 \| good	29.48 \| good	41.836 \| good	0.618 \| good	8.486 \| good	0.354 \| good
2026-03-09T21:00:00.000Z	42 \| good	5.622 \| good	31.897 \| good	44.867 \| good	0.627 \| good	8.41 \| good	0.434 \| good
2026-03-09T22:00:00.000Z	44 \| good	6.438 \| good	28.68 \| good	47.62 \| good	0.436 \| good	7.778 \| good	0.431 \| good
2026-03-09T23:00:00.000Z	42 \| good	6.049 \| good	39.393 \| good	44.871 \| good	0.461 \| good	10.368 \| good	0.438 \| good
2026-03-10T00:00:00.000Z	43 \| good	6.052 \| good	39.592 \| good	46.262 \| good	0.422 \| good	7.756 \| good	0.438 \| good
2026-03-10T01:00:00.000Z	41 \| good	6.482 \| good	34.095 \| good	44.004 \| good	0.379 \| good	7.779 \| good	0.433 \| good
2026-03-10T02:00:00.000Z	40 \| good	6.307 \| good	29.266 \| good	42.571 \| good	0.4 \| good	9.014 \| good	0.513 \| good
2026-03-10T03:00:00.000Z	33 \| good	3.571 \| good	15.304 \| good	35.711 \| good	1.99 \| good	11.685 \| good	0.16 \| good
2026-03-10T04:00:00.000Z	36 \| good	5.46 \| good	16.828 \| good	38.968 \| good	0.415 \| good	15.299 \| good	0.513 \| good
2026-03-10T05:00:00.000Z	33 \| good	5.544 \| good	17.072 \| good	34.469 \| good	0.562 \| good	14.815 \| good	0.606 \| good
2026-03-10T06:00:00.000Z	33 \| good	5.658 \| good	16.245 \| good	34.653 \| good	0.564 \| good	15.253 \| good	0.591 \| good
2026-03-10T07:00:00.000Z	22 \| good	4.336 \| good	18.986 \| good	22.997 \| good	2.79 \| good	22.951 \| good	0.192 \| good
2026-03-10T08:00:00.000Z	33 \| good	5.815 \| good	25.604 \| good	19.468 \| good	2.854 \| good	23.982 \| good	0.198 \| good
2026-03-10T09:00:00.000Z	33 \| good	6.436 \| good	28.325 \| good	19.457 \| good	2.918 \| good	25.013 \| good	0.204 \| good
2026-03-10T10:00:00.000Z	44 \| good	8.171 \| good	36.028 \| good	13.15 \| good	2.661 \| good	24.301 \| good	0.206 \| good
2026-03-10T11:00:00.000Z	44 \| good	8.153 \| good	35.985 \| good	17.525 \| good	2.404 \| good	23.59 \| good	0.207 \| good
2026-03-10T12:00:00.000Z	38 \| good	7.477 \| good	32.869 \| good	15.222 \| good	2.147 \| good	22.879 \| good	0.208 \| good
2026-03-10T13:00:00.000Z	49 \| good	8.676 \| good	38.304 \| good	15.875 \| good	2.162 \| good	21.941 \| good	0.217 \| good
2026-03-10T14:00:00.000Z	54 \| moderate	10.85 \| good	48.173 \| good	15.199 \| good	2.178 \| good	21.002 \| good	0.226 \| good
2026-03-10T15:00:00.000Z	38 \| good	6.656 \| good	29.129 \| good	21.879 \| good	2.194 \| good	20.064 \| good	0.234 \| good
2026-03-10T16:00:00.000Z	29 \| good	3.358 \| good	14.276 \| good	31.287 \| good	2.662 \| good	16.583 \| good	0.212 \| good
2026-03-10T17:00:00.000Z	31 \| good	2.565 \| good	10.577 \| good	34.303 \| good	3.13 \| good	13.101 \| good	0.19 \| good
2026-03-10T18:00:00.000Z	34 \| good	5.139 \| good	22.35 \| good	36.962 \| good	3.599 \| good	9.62 \| good	0.168 \| good
2026-03-10T19:00:00.000Z	36 \| good	4.112 \| good	17.818 \| good	39.48 \| good	3.397 \| good	8.419 \| good	0.161 \| good
2026-03-10T20:00:00.000Z	38 \| good	3.403 \| good	14.905 \| good	41.07 \| good	3.196 \| good	7.218 \| good	0.154 \| good
2026-03-10T21:00:00.000Z	37 \| good	3.795 \| good	16.72 \| good	40.294 \| good	2.995 \| good	6.017 \| good	0.147 \| good
2026-03-10T22:00:00.000Z	39 \| good	5.129 \| good	22.376 \| good	41.636 \| good	2.872 \| good	5.961 \| good	0.145 \| good
2026-03-10T23:00:00.000Z	40 \| good	3.934 \| good	17.109 \| good	42.733 \| good	2.75 \| good	5.904 \| good	0.144 \| good
2026-03-11T00:00:00.000Z	36 \| good	4.72 \| good	20.49 \| good	38.512 \| good	2.627 \| good	5.848 \| good	0.142 \| good
2026-03-11T01:00:00.000Z	38 \| good	6.905 \| good	30.574 \| good	36.641 \| good	2.551 \| good	7.915 \| good	0.149 \| good
2026-03-11T02:00:00.000Z	35 \| good	6.214 \| good	27.865 \| good	37.593 \| good	2.475 \| good	9.983 \| good	0.157 \| good
2026-03-11T03:00:00.000Z	38 \| good	6.766 \| good	29.635 \| good	39.011 \| good	2.399 \| good	12.05 \| good	0.164 \| good
2026-03-11T04:00:00.000Z	38 \| good	7.114 \| good	31.516 \| good	36.941 \| good	2.531 \| good	14.92 \| good	0.172 \| good
2026-03-11T05:00:00.000Z	33 \| good	6.184 \| good	26.919 \| good	35.807 \| good	2.664 \| good	17.79 \| good	0.179 \| good
2026-03-11T06:00:00.000Z	33 \| good	5.742 \| good	25.237 \| good	32.225 \| good	2.797 \| good	20.66 \| good	0.187 \| good
2026-03-11T07:00:00.000Z	38 \| good	6.766 \| good	30.232 \| good	28.909 \| good	2.62 \| good	21.432 \| good	0.194 \| good
2026-03-11T08:00:00.000Z	44 \| good	8.034 \| good	35.236 \| good	25.714 \| good	2.443 \| good	22.204 \| good	0.2 \| good
2026-03-11T09:00:00.000Z	38 \| good	7.345 \| good	32.415 \| good	22.372 \| good	2.266 \| good	22.976 \| good	0.206 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.018 \| good	35.606 \| good	18.483 \| good	2.237 \| good	23.001 \| good	0.209 \| good
2026-03-11T11:00:00.000Z	33 \| good	5.524 \| good	24.057 \| good	17.988 \| good	2.207 \| good	23.025 \| good	0.212 \| good
2026-03-11T12:00:00.000Z	33 \| good	5.817 \| good	25.431 \| good	12.653 \| good	2.178 \| good	23.049 \| good	0.214 \| good
2026-03-11T13:00:00.000Z	38 \| good	7.008 \| good	30.977 \| good	8.713 \| good	2.304 \| good	21.856 \| good	0.222 \| good
2026-03-11T14:00:00.000Z	69 \| moderate	19.424 \| fine	85.656 \| fine	9.251 \| good	2.43 \| good	20.663 \| good	0.23 \| good
2026-03-11T15:00:00.000Z	62 \| moderate	15.043 \| fine	66.587 \| fine	15.517 \| good	2.557 \| good	19.47 \| good	0.237 \| good
2026-03-11T16:00:00.000Z	64 \| moderate	15.803 \| fine	70.215 \| fine	22.202 \| good	2.799 \| good	16.484 \| good	0.22 \| good
2026-03-11T17:00:00.000Z	58 \| moderate	13.05 \| fine	58.42 \| fine	30.595 \| good	3.041 \| good	13.498 \| good	0.204 \| good
2026-03-11T18:00:00.000Z	54 \| moderate	10.968 \| good	48.58 \| good	37.117 \| good	3.284 \| good	10.512 \| good	0.187 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	10.404 \| good	46.366 \| good	46.106 \| good	3.357 \| good	10.064 \| good	0.183 \| good
2026-03-11T20:00:00.000Z	52 \| moderate	10.384 \| good	46.006 \| good	52.834 \| good	3.431 \| good	9.617 \| good	0.18 \| good
2026-03-11T21:00:00.000Z	60 \| moderate	14.174 \| fine	63.324 \| fine	56.083 \| fine	3.504 \| good	9.17 \| good	0.177 \| good
2026-03-11T22:00:00.000Z	62 \| moderate	15.144 \| fine	67.483 \| fine	57.438 \| fine	3.558 \| good	9.356 \| good	0.175 \| good
2026-03-11T23:00:00.000Z	62 \| moderate	15.376 \| fine	68.918 \| fine	56.766 \| fine	3.612 \| good	9.543 \| good	0.173 \| good
2026-03-12T00:00:00.000Z	58 \| moderate	13.053 \| fine	58.672 \| fine	55.349 \| fine	3.666 \| good	9.73 \| good	0.171 \| good
2026-03-12T01:00:00.000Z	54 \| moderate	10.668 \| good	47.304 \| good	52.127 \| good	3.751 \| good	14.255 \| good	0.189 \| good
2026-03-12T02:00:00.000Z	52 \| moderate	9.7 \| good	42.581 \| good	43.671 \| good	3.835 \| good	18.781 \| good	0.206 \| good
2026-03-12T03:00:00.000Z	52 \| moderate	10.158 \| good	45.405 \| good	36.497 \| good	3.92 \| good	23.307 \| good	0.223 \| good
2026-03-12T04:00:00.000Z	60 \| moderate	13.505 \| fine	60.052 \| fine	28.236 \| good	3.988 \| good	25.44 \| good	0.247 \| good
2026-03-12T05:00:00.000Z	64 \| moderate	16.263 \| fine	71.944 \| fine	24.86 \| good	4.055 \| good	27.574 \| good	0.271 \| good
2026-03-12T06:00:00.000Z	82 \| moderate	25.965 \| fine	28.509 \| good	22.97 \| good	4.109 \| good	29.848 \| good	0.296 \| good

Santa Ana

Empower business decisions with accurate air quality data

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

0.47ppm

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 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 04:00:00 on 2026-03-09.

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 07:00:00 on 2026-03-09.

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

The real-time air quality index in Santa Ana, California is 33, currently categorized as Good.

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 5.658 μg/m³.

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

The current PM₁₀ levels in Santa Ana, California are 16.245 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 0.591 ppm.

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

The current sulfur dioxide (SO₂) levels in Santa Ana, California are 0.564 ppb.

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

The current ozone (O₃) levels at Santa Ana, California is 34.653 ppm.

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

The current nitrogen dioxide (NO₂) levels at Santa Ana, California is 15.253 ppb.

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