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

The current PM10 levels in Santa Ana, California are 10.994 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 0.268 ppb.

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

The current ozone (O3) levels at Santa Ana, California is 39.384 ppm.

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

The current nitrogen dioxide (NO2) levels at Santa Ana, California is 6.286 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 2.004 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)

2.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.99 μg/m³

155

255

425

605+

Ozone (O₃)

39.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.27 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.29 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-10-20T22:00:00.000Z	49 \| good	9.379 \| good	29.265 \| good	47.014 \| good	0.328 \| good	10.396 \| good	0.384 \| good
2026-10-20T23:00:00.000Z	52 \| moderate	9.755 \| good	29.336 \| good	49.216 \| good	0.379 \| good	9.686 \| good	0.382 \| good
2026-10-21T00:00:00.000Z	44 \| good	7.549 \| good	30.338 \| good	45.144 \| good	0.399 \| good	12.188 \| good	0.336 \| good
2026-10-21T01:00:00.000Z	39 \| good	7.121 \| good	24.25 \| good	42.072 \| good	0.401 \| good	14 \| good	0.398 \| good
2026-10-21T02:00:00.000Z	40 \| good	6.637 \| good	22.382 \| good	43.273 \| good	0.344 \| good	13.002 \| good	0.428 \| good
2026-10-21T03:00:00.000Z	30 \| good	3.508 \| good	15.329 \| good	31.733 \| good	0.437 \| good	4.734 \| good	0.131 \| good
2026-10-21T04:00:00.000Z	33 \| good	4.55 \| good	24.665 \| good	35.796 \| good	0.338 \| good	6.712 \| good	0.31 \| good
2026-10-21T05:00:00.000Z	32 \| good	3.83 \| good	24.149 \| good	34.725 \| good	0.705 \| good	11.191 \| good	0.324 \| good
2026-10-21T06:00:00.000Z	28 \| good	4.367 \| good	22.89 \| good	30.058 \| good	0.35 \| good	8.623 \| good	0.29 \| good
2026-10-21T07:00:00.000Z	28 \| good	4.422 \| good	23.439 \| good	29.875 \| good	0.351 \| good	8.141 \| good	0.29 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.093 \| good	22.731 \| good	23.999 \| good	0.34 \| good	9.654 \| good	0.336 \| good
2026-10-21T09:00:00.000Z	27 \| good	4.795 \| good	22.196 \| good	19.669 \| good	0.45 \| good	8.617 \| good	0.278 \| good
2026-10-21T10:00:00.000Z	27 \| good	5.23 \| good	21.27 \| good	21.735 \| good	0.367 \| good	8.348 \| good	0.292 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.646 \| good	14.573 \| good	17.778 \| good	0.373 \| good	10.869 \| good	0.321 \| good
2026-10-21T12:00:00.000Z	33 \| good	5.801 \| good	22.463 \| good	13.387 \| good	0.444 \| good	10.824 \| good	0.334 \| good
2026-10-21T13:00:00.000Z	27 \| good	4.597 \| good	25.749 \| good	9.8 \| good	0.444 \| good	11.32 \| good	0.334 \| good
2026-10-21T14:00:00.000Z	33 \| good	6.218 \| good	26.524 \| good	9.098 \| good	0.43 \| good	14.433 \| good	0.568 \| good
2026-10-21T15:00:00.000Z	28 \| good	5.406 \| good	29.693 \| good	11.68 \| good	0.531 \| good	11.872 \| good	0.642 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.748 \| good	35.113 \| good	19.532 \| good	0.546 \| good	15.343 \| good	0.626 \| good
2026-10-21T17:00:00.000Z	52 \| moderate	10.423 \| good	38.727 \| good	18.225 \| good	0.529 \| good	20.95 \| good	0.507 \| good
2026-10-21T18:00:00.000Z	49 \| good	8.91 \| good	35.809 \| good	26.799 \| good	0.372 \| good	26.052 \| good	0.454 \| good
2026-10-21T19:00:00.000Z	38 \| good	6.717 \| good	32.567 \| good	30.799 \| good	0.49 \| good	18.4 \| good	0.378 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.799 \| good	31.142 \| good	30.87 \| good	0.435 \| good	15.51 \| good	0.353 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.216 \| good	27.6 \| good	34.521 \| good	0.503 \| good	14.295 \| good	0.364 \| good
2026-10-21T22:00:00.000Z	38 \| good	6.612 \| good	27.398 \| good	32.335 \| good	0.446 \| good	15.227 \| good	0.34 \| good
2026-10-21T23:00:00.000Z	30 \| good	5.154 \| good	26.003 \| good	32.006 \| good	0.405 \| good	14.279 \| good	0.367 \| good
2026-10-22T00:00:00.000Z	38 \| good	3.517 \| good	15.347 \| good	41.081 \| good	0.422 \| good	9.91 \| good	0.351 \| good
2026-10-22T01:00:00.000Z	42 \| good	6.831 \| good	25.067 \| good	45.146 \| good	0.387 \| good	11.194 \| good	0.443 \| good
2026-10-22T02:00:00.000Z	35 \| good	5.569 \| good	24.396 \| good	38.386 \| good	0.423 \| good	13.751 \| good	0.441 \| good
2026-10-22T03:00:00.000Z	36 \| good	2.785 \| good	11.14 \| good	38.74 \| good	0.244 \| good	5.194 \| good	0.111 \| good
2026-10-22T04:00:00.000Z	49 \| good	8.66 \| good	15.66 \| good	29.379 \| good	0.362 \| good	5.944 \| good	0.308 \| good
2026-10-22T05:00:00.000Z	38 \| good	7.465 \| good	18.311 \| good	28.896 \| good	0.628 \| good	3.788 \| good	0.292 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.247 \| good	13.159 \| good	27.19 \| good	0.25 \| good	4.636 \| good	0.322 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.907 \| good	13.629 \| good	25.917 \| good	0.25 \| good	4.229 \| good	0.322 \| good
2026-10-22T08:00:00.000Z	23 \| good	3.18 \| good	10.607 \| good	25.443 \| good	0.291 \| good	5.096 \| good	0.218 \| good
2026-10-22T09:00:00.000Z	22 \| good	1.703 \| good	8.899 \| good	23.683 \| good	0.372 \| good	3.046 \| good	0.192 \| good
2026-10-22T10:00:00.000Z	19 \| good	2.702 \| good	9.481 \| good	21.375 \| good	0.29 \| good	5.31 \| good	0.192 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.7 \| good	10.164 \| good	18.31 \| good	0.335 \| good	9.101 \| good	0.249 \| good
2026-10-22T12:00:00.000Z	21 \| good	2.419 \| good	7.807 \| good	23.337 \| good	0.29 \| good	7.125 \| good	0.308 \| good
2026-10-22T13:00:00.000Z	22 \| good	1.739 \| good	11.75 \| good	23.916 \| good	0.29 \| good	5.286 \| good	0.308 \| good
2026-10-22T14:00:00.000Z	17 \| good	2.197 \| good	7.258 \| good	18.265 \| good	0.29 \| good	12.159 \| good	0.472 \| good
2026-10-22T15:00:00.000Z	21 \| good	3.054 \| good	8.868 \| good	22.977 \| good	0.262 \| good	13.292 \| good	0.565 \| good
2026-10-22T16:00:00.000Z	19 \| good	1.717 \| good	6.559 \| good	21.168 \| good	0.337 \| good	16.746 \| good	0.562 \| good
2026-10-22T17:00:00.000Z	24 \| good	3.294 \| good	9.52 \| good	26.304 \| good	0.29 \| good	13.193 \| good	0.379 \| good
2026-10-22T18:00:00.000Z	31 \| good	3.205 \| good	8.026 \| good	34.301 \| good	0.255 \| good	11.146 \| good	0.291 \| good
2026-10-22T19:00:00.000Z	31 \| good	3.409 \| good	7.869 \| good	33.091 \| good	0.239 \| good	10.368 \| good	0.276 \| good
2026-10-22T20:00:00.000Z	32 \| good	3.238 \| good	8.49 \| good	35.221 \| good	0.272 \| good	7.043 \| good	0.27 \| good
2026-10-22T21:00:00.000Z	36 \| good	2.004 \| good	10.994 \| good	39.384 \| good	0.268 \| good	6.286 \| good	0.346 \| good
2026-10-22T22:00:00.000Z	36 \| good	2.095 \| good	8.224 \| good	39.085 \| good	0.388 \| good	1.355 \| good	0.134 \| good
2026-10-22T23:00:00.000Z	34 \| good	2 \| good	8.134 \| good	37.321 \| good	0.41 \| good	1.533 \| good	0.135 \| good
2026-10-23T00:00:00.000Z	34 \| good	1.14 \| good	4.967 \| good	37.398 \| good	0.458 \| good	2.087 \| good	0.137 \| good
2026-10-23T01:00:00.000Z	31 \| good	2.532 \| good	10.166 \| good	32.671 \| good	0.497 \| good	3.175 \| good	0.141 \| good
2026-10-23T02:00:00.000Z	28 \| good	2.394 \| good	9.937 \| good	29.784 \| good	0.55 \| good	6.872 \| good	0.154 \| good
2026-10-23T03:00:00.000Z	30 \| good	2.325 \| good	9.876 \| good	32.074 \| good	0.64 \| good	10.979 \| good	0.167 \| good
2026-10-23T04:00:00.000Z	28 \| good	1.757 \| good	7.007 \| good	30.413 \| good	0.737 \| good	14.564 \| good	0.178 \| good
2026-10-23T05:00:00.000Z	27 \| good	2.087 \| good	8.242 \| good	29.152 \| good	0.817 \| good	16.504 \| good	0.187 \| good
2026-10-23T06:00:00.000Z	26 \| good	2.405 \| good	10.067 \| good	28.111 \| good	0.837 \| good	16.771 \| good	0.19 \| good
2026-10-23T07:00:00.000Z	26 \| good	2.471 \| good	10.116 \| good	28.437 \| good	0.795 \| good	14.878 \| good	0.182 \| good
2026-10-23T08:00:00.000Z	25 \| good	3.018 \| good	12.432 \| good	26.987 \| good	0.752 \| good	11.815 \| good	0.172 \| good
2026-10-23T09:00:00.000Z	24 \| good	2.164 \| good	9.09 \| good	25.903 \| good	0.695 \| good	9.818 \| good	0.165 \| good
2026-10-23T10:00:00.000Z	24 \| good	2.699 \| good	11.266 \| good	25.883 \| good	0.633 \| good	7.997 \| good	0.158 \| good
2026-10-23T11:00:00.000Z	22 \| good	1.983 \| good	8.296 \| good	23.595 \| good	0.577 \| good	7.373 \| good	0.156 \| good
2026-10-23T12:00:00.000Z	14 \| good	1.826 \| good	7.393 \| good	15.207 \| good	0.545 \| good	7.263 \| good	0.157 \| good
2026-10-23T13:00:00.000Z	16 \| good	2.781 \| good	11.507 \| good	13.764 \| good	0.521 \| good	6.71 \| good	0.156 \| good
2026-10-23T14:00:00.000Z	22 \| good	4.342 \| good	19.088 \| good	12.217 \| good	0.529 \| good	7.891 \| good	0.161 \| good
2026-10-23T15:00:00.000Z	27 \| good	4.583 \| good	20.153 \| good	17.322 \| good	0.553 \| good	7.573 \| good	0.168 \| good
2026-10-23T16:00:00.000Z	23 \| good	2.741 \| good	11.236 \| good	24.525 \| good	0.552 \| good	4.261 \| good	0.146 \| good
2026-10-23T17:00:00.000Z	27 \| good	2.24 \| good	9.276 \| good	29.404 \| good	0.571 \| good	3.116 \| good	0.137 \| good
2026-10-23T18:00:00.000Z	31 \| good	2.8 \| good	11.274 \| good	33.725 \| good	0.642 \| good	2.847 \| good	0.134 \| good
2026-10-23T19:00:00.000Z	35 \| good	4.048 \| good	18.045 \| good	37.544 \| good	0.756 \| good	2.718 \| good	0.133 \| good
2026-10-23T20:00:00.000Z	38 \| good	5.21 \| good	22.312 \| good	40.649 \| good	0.889 \| good	2.531 \| good	0.133 \| good
2026-10-23T21:00:00.000Z	39 \| good	4.78 \| good	21.111 \| good	41.907 \| good	1.021 \| good	2.576 \| good	0.133 \| good
2026-10-23T22:00:00.000Z	40 \| good	4.6 \| good	20.085 \| good	43.257 \| good	1.155 \| good	2.756 \| good	0.134 \| good
2026-10-23T23:00:00.000Z	42 \| good	4.732 \| good	20.889 \| good	44.783 \| good	1.319 \| good	3.267 \| good	0.136 \| good
2026-10-24T00:00:00.000Z	44 \| good	4.978 \| good	21.88 \| good	46.555 \| good	1.467 \| good	4.205 \| good	0.139 \| good
2026-10-24T01:00:00.000Z	43 \| good	5.955 \| good	26.695 \| good	45.925 \| good	1.564 \| good	5.94 \| good	0.143 \| good
2026-10-24T02:00:00.000Z	39 \| good	6.313 \| good	27.753 \| good	42.101 \| good	1.648 \| good	9.893 \| good	0.156 \| good
2026-10-24T03:00:00.000Z	49 \| good	8.584 \| good	37.557 \| good	40.199 \| good	1.727 \| good	13.753 \| good	0.169 \| good
2026-10-24T04:00:00.000Z	56 \| moderate	11.635 \| good	51.713 \| good	32.485 \| good	1.801 \| good	17.13 \| good	0.18 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.858 \| fine	66.481 \| fine	27.829 \| good	1.85 \| good	19.101 \| good	0.191 \| good
2026-10-24T06:00:00.000Z	62 \| moderate	15.073 \| fine	67.916 \| fine	24.767 \| good	1.874 \| good	20.733 \| good	0.201 \| good
2026-10-24T07:00:00.000Z	66 \| moderate	17.016 \| fine	75.756 \| fine	22.784 \| good	1.857 \| good	20.893 \| good	0.211 \| good
2026-10-24T08:00:00.000Z	66 \| moderate	17.295 \| fine	76.455 \| fine	23.532 \| good	1.774 \| good	20.081 \| good	0.215 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	13.471 \| fine	60.851 \| fine	26.45 \| good	1.667 \| good	19.126 \| good	0.217 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.61 \| good	51.324 \| good	27.184 \| good	1.536 \| good	17.904 \| good	0.219 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	10.89 \| good	48.644 \| good	26.107 \| good	1.402 \| good	16.772 \| good	0.221 \| good
2026-10-24T12:00:00.000Z	54 \| moderate	10.8 \| good	48.134 \| good	25.489 \| good	1.291 \| good	15.74 \| good	0.221 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.958 \| good	48.373 \| good	26.354 \| good	1.2 \| good	14.881 \| good	0.221 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	13.84 \| fine	62.699 \| fine	29.295 \| good	1.157 \| good	14.42 \| good	0.226 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.412 \| fine	59.518 \| fine	28.614 \| good	1.096 \| good	13.335 \| good	0.241 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.411 \| good	50.673 \| good	33.899 \| good	1.161 \| good	11.61 \| good	0.23 \| good
2026-10-24T17:00:00.000Z	52 \| moderate	10.163 \| good	45.073 \| good	40.806 \| good	1.414 \| good	8.564 \| good	0.182 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.116 \| good	44.895 \| good	46.107 \| good	1.676 \| good	6.197 \| good	0.166 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.36 \| good	50.618 \| good	51.699 \| good	1.706 \| good	5.009 \| good	0.16 \| good
2026-10-24T20:00:00.000Z	58 \| moderate	11.728 \| good	51.71 \| good	56.568 \| fine	1.658 \| good	4.184 \| good	0.155 \| good
2026-10-24T21:00:00.000Z	61 \| moderate	11.232 \| good	49.657 \| good	58.249 \| fine	1.617 \| good	3.754 \| good	0.153 \| good

Santa Ana

Empower business decisions with accurate air quality data

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

0.29ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 2026-10-22.

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 2026-10-22.

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

The real-time air quality index in Santa Ana, California is 36, currently categorized as Good.

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

The most common pollutant in Santa Ana, California is O3.

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 2.004 μg/m³.

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

The current PM₁₀ levels in Santa Ana, California are 10.994 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 0.346 ppm.

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

The current sulfur dioxide (SO₂) levels in Santa Ana, California are 0.268 ppb.

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

The current ozone (O₃) levels at Santa Ana, California is 39.384 ppm.

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

The current nitrogen dioxide (NO₂) levels at Santa Ana, California is 6.286 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	49 \| good	9.379 \| good	29.265 \| good	47.014 \| good	0.328 \| good	10.396 \| good	0.384 \| good
2026-10-20T23:00:00.000Z	52 \| moderate	9.755 \| good	29.336 \| good	49.216 \| good	0.379 \| good	9.686 \| good	0.382 \| good
2026-10-21T00:00:00.000Z	44 \| good	7.549 \| good	30.338 \| good	45.144 \| good	0.399 \| good	12.188 \| good	0.336 \| good
2026-10-21T01:00:00.000Z	39 \| good	7.121 \| good	24.25 \| good	42.072 \| good	0.401 \| good	14 \| good	0.398 \| good
2026-10-21T02:00:00.000Z	40 \| good	6.637 \| good	22.382 \| good	43.273 \| good	0.344 \| good	13.002 \| good	0.428 \| good
2026-10-21T03:00:00.000Z	30 \| good	3.508 \| good	15.329 \| good	31.733 \| good	0.437 \| good	4.734 \| good	0.131 \| good
2026-10-21T04:00:00.000Z	33 \| good	4.55 \| good	24.665 \| good	35.796 \| good	0.338 \| good	6.712 \| good	0.31 \| good
2026-10-21T05:00:00.000Z	32 \| good	3.83 \| good	24.149 \| good	34.725 \| good	0.705 \| good	11.191 \| good	0.324 \| good
2026-10-21T06:00:00.000Z	28 \| good	4.367 \| good	22.89 \| good	30.058 \| good	0.35 \| good	8.623 \| good	0.29 \| good
2026-10-21T07:00:00.000Z	28 \| good	4.422 \| good	23.439 \| good	29.875 \| good	0.351 \| good	8.141 \| good	0.29 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.093 \| good	22.731 \| good	23.999 \| good	0.34 \| good	9.654 \| good	0.336 \| good
2026-10-21T09:00:00.000Z	27 \| good	4.795 \| good	22.196 \| good	19.669 \| good	0.45 \| good	8.617 \| good	0.278 \| good
2026-10-21T10:00:00.000Z	27 \| good	5.23 \| good	21.27 \| good	21.735 \| good	0.367 \| good	8.348 \| good	0.292 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.646 \| good	14.573 \| good	17.778 \| good	0.373 \| good	10.869 \| good	0.321 \| good
2026-10-21T12:00:00.000Z	33 \| good	5.801 \| good	22.463 \| good	13.387 \| good	0.444 \| good	10.824 \| good	0.334 \| good
2026-10-21T13:00:00.000Z	27 \| good	4.597 \| good	25.749 \| good	9.8 \| good	0.444 \| good	11.32 \| good	0.334 \| good
2026-10-21T14:00:00.000Z	33 \| good	6.218 \| good	26.524 \| good	9.098 \| good	0.43 \| good	14.433 \| good	0.568 \| good
2026-10-21T15:00:00.000Z	28 \| good	5.406 \| good	29.693 \| good	11.68 \| good	0.531 \| good	11.872 \| good	0.642 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.748 \| good	35.113 \| good	19.532 \| good	0.546 \| good	15.343 \| good	0.626 \| good
2026-10-21T17:00:00.000Z	52 \| moderate	10.423 \| good	38.727 \| good	18.225 \| good	0.529 \| good	20.95 \| good	0.507 \| good
2026-10-21T18:00:00.000Z	49 \| good	8.91 \| good	35.809 \| good	26.799 \| good	0.372 \| good	26.052 \| good	0.454 \| good
2026-10-21T19:00:00.000Z	38 \| good	6.717 \| good	32.567 \| good	30.799 \| good	0.49 \| good	18.4 \| good	0.378 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.799 \| good	31.142 \| good	30.87 \| good	0.435 \| good	15.51 \| good	0.353 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.216 \| good	27.6 \| good	34.521 \| good	0.503 \| good	14.295 \| good	0.364 \| good
2026-10-21T22:00:00.000Z	38 \| good	6.612 \| good	27.398 \| good	32.335 \| good	0.446 \| good	15.227 \| good	0.34 \| good
2026-10-21T23:00:00.000Z	30 \| good	5.154 \| good	26.003 \| good	32.006 \| good	0.405 \| good	14.279 \| good	0.367 \| good
2026-10-22T00:00:00.000Z	38 \| good	3.517 \| good	15.347 \| good	41.081 \| good	0.422 \| good	9.91 \| good	0.351 \| good
2026-10-22T01:00:00.000Z	42 \| good	6.831 \| good	25.067 \| good	45.146 \| good	0.387 \| good	11.194 \| good	0.443 \| good
2026-10-22T02:00:00.000Z	35 \| good	5.569 \| good	24.396 \| good	38.386 \| good	0.423 \| good	13.751 \| good	0.441 \| good
2026-10-22T03:00:00.000Z	36 \| good	2.785 \| good	11.14 \| good	38.74 \| good	0.244 \| good	5.194 \| good	0.111 \| good
2026-10-22T04:00:00.000Z	49 \| good	8.66 \| good	15.66 \| good	29.379 \| good	0.362 \| good	5.944 \| good	0.308 \| good
2026-10-22T05:00:00.000Z	38 \| good	7.465 \| good	18.311 \| good	28.896 \| good	0.628 \| good	3.788 \| good	0.292 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.247 \| good	13.159 \| good	27.19 \| good	0.25 \| good	4.636 \| good	0.322 \| good
2026-10-22T07:00:00.000Z	27 \| good	4.907 \| good	13.629 \| good	25.917 \| good	0.25 \| good	4.229 \| good	0.322 \| good
2026-10-22T08:00:00.000Z	23 \| good	3.18 \| good	10.607 \| good	25.443 \| good	0.291 \| good	5.096 \| good	0.218 \| good
2026-10-22T09:00:00.000Z	22 \| good	1.703 \| good	8.899 \| good	23.683 \| good	0.372 \| good	3.046 \| good	0.192 \| good
2026-10-22T10:00:00.000Z	19 \| good	2.702 \| good	9.481 \| good	21.375 \| good	0.29 \| good	5.31 \| good	0.192 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.7 \| good	10.164 \| good	18.31 \| good	0.335 \| good	9.101 \| good	0.249 \| good
2026-10-22T12:00:00.000Z	21 \| good	2.419 \| good	7.807 \| good	23.337 \| good	0.29 \| good	7.125 \| good	0.308 \| good
2026-10-22T13:00:00.000Z	22 \| good	1.739 \| good	11.75 \| good	23.916 \| good	0.29 \| good	5.286 \| good	0.308 \| good
2026-10-22T14:00:00.000Z	17 \| good	2.197 \| good	7.258 \| good	18.265 \| good	0.29 \| good	12.159 \| good	0.472 \| good
2026-10-22T15:00:00.000Z	21 \| good	3.054 \| good	8.868 \| good	22.977 \| good	0.262 \| good	13.292 \| good	0.565 \| good
2026-10-22T16:00:00.000Z	19 \| good	1.717 \| good	6.559 \| good	21.168 \| good	0.337 \| good	16.746 \| good	0.562 \| good
2026-10-22T17:00:00.000Z	24 \| good	3.294 \| good	9.52 \| good	26.304 \| good	0.29 \| good	13.193 \| good	0.379 \| good
2026-10-22T18:00:00.000Z	31 \| good	3.205 \| good	8.026 \| good	34.301 \| good	0.255 \| good	11.146 \| good	0.291 \| good
2026-10-22T19:00:00.000Z	31 \| good	3.409 \| good	7.869 \| good	33.091 \| good	0.239 \| good	10.368 \| good	0.276 \| good
2026-10-22T20:00:00.000Z	32 \| good	3.238 \| good	8.49 \| good	35.221 \| good	0.272 \| good	7.043 \| good	0.27 \| good
2026-10-22T21:00:00.000Z	36 \| good	2.004 \| good	10.994 \| good	39.384 \| good	0.268 \| good	6.286 \| good	0.346 \| good
2026-10-22T22:00:00.000Z	36 \| good	2.095 \| good	8.224 \| good	39.085 \| good	0.388 \| good	1.355 \| good	0.134 \| good
2026-10-22T23:00:00.000Z	34 \| good	2 \| good	8.134 \| good	37.321 \| good	0.41 \| good	1.533 \| good	0.135 \| good
2026-10-23T00:00:00.000Z	34 \| good	1.14 \| good	4.967 \| good	37.398 \| good	0.458 \| good	2.087 \| good	0.137 \| good
2026-10-23T01:00:00.000Z	31 \| good	2.532 \| good	10.166 \| good	32.671 \| good	0.497 \| good	3.175 \| good	0.141 \| good
2026-10-23T02:00:00.000Z	28 \| good	2.394 \| good	9.937 \| good	29.784 \| good	0.55 \| good	6.872 \| good	0.154 \| good
2026-10-23T03:00:00.000Z	30 \| good	2.325 \| good	9.876 \| good	32.074 \| good	0.64 \| good	10.979 \| good	0.167 \| good
2026-10-23T04:00:00.000Z	28 \| good	1.757 \| good	7.007 \| good	30.413 \| good	0.737 \| good	14.564 \| good	0.178 \| good
2026-10-23T05:00:00.000Z	27 \| good	2.087 \| good	8.242 \| good	29.152 \| good	0.817 \| good	16.504 \| good	0.187 \| good
2026-10-23T06:00:00.000Z	26 \| good	2.405 \| good	10.067 \| good	28.111 \| good	0.837 \| good	16.771 \| good	0.19 \| good
2026-10-23T07:00:00.000Z	26 \| good	2.471 \| good	10.116 \| good	28.437 \| good	0.795 \| good	14.878 \| good	0.182 \| good
2026-10-23T08:00:00.000Z	25 \| good	3.018 \| good	12.432 \| good	26.987 \| good	0.752 \| good	11.815 \| good	0.172 \| good
2026-10-23T09:00:00.000Z	24 \| good	2.164 \| good	9.09 \| good	25.903 \| good	0.695 \| good	9.818 \| good	0.165 \| good
2026-10-23T10:00:00.000Z	24 \| good	2.699 \| good	11.266 \| good	25.883 \| good	0.633 \| good	7.997 \| good	0.158 \| good
2026-10-23T11:00:00.000Z	22 \| good	1.983 \| good	8.296 \| good	23.595 \| good	0.577 \| good	7.373 \| good	0.156 \| good
2026-10-23T12:00:00.000Z	14 \| good	1.826 \| good	7.393 \| good	15.207 \| good	0.545 \| good	7.263 \| good	0.157 \| good
2026-10-23T13:00:00.000Z	16 \| good	2.781 \| good	11.507 \| good	13.764 \| good	0.521 \| good	6.71 \| good	0.156 \| good
2026-10-23T14:00:00.000Z	22 \| good	4.342 \| good	19.088 \| good	12.217 \| good	0.529 \| good	7.891 \| good	0.161 \| good
2026-10-23T15:00:00.000Z	27 \| good	4.583 \| good	20.153 \| good	17.322 \| good	0.553 \| good	7.573 \| good	0.168 \| good
2026-10-23T16:00:00.000Z	23 \| good	2.741 \| good	11.236 \| good	24.525 \| good	0.552 \| good	4.261 \| good	0.146 \| good
2026-10-23T17:00:00.000Z	27 \| good	2.24 \| good	9.276 \| good	29.404 \| good	0.571 \| good	3.116 \| good	0.137 \| good
2026-10-23T18:00:00.000Z	31 \| good	2.8 \| good	11.274 \| good	33.725 \| good	0.642 \| good	2.847 \| good	0.134 \| good
2026-10-23T19:00:00.000Z	35 \| good	4.048 \| good	18.045 \| good	37.544 \| good	0.756 \| good	2.718 \| good	0.133 \| good
2026-10-23T20:00:00.000Z	38 \| good	5.21 \| good	22.312 \| good	40.649 \| good	0.889 \| good	2.531 \| good	0.133 \| good
2026-10-23T21:00:00.000Z	39 \| good	4.78 \| good	21.111 \| good	41.907 \| good	1.021 \| good	2.576 \| good	0.133 \| good
2026-10-23T22:00:00.000Z	40 \| good	4.6 \| good	20.085 \| good	43.257 \| good	1.155 \| good	2.756 \| good	0.134 \| good
2026-10-23T23:00:00.000Z	42 \| good	4.732 \| good	20.889 \| good	44.783 \| good	1.319 \| good	3.267 \| good	0.136 \| good
2026-10-24T00:00:00.000Z	44 \| good	4.978 \| good	21.88 \| good	46.555 \| good	1.467 \| good	4.205 \| good	0.139 \| good
2026-10-24T01:00:00.000Z	43 \| good	5.955 \| good	26.695 \| good	45.925 \| good	1.564 \| good	5.94 \| good	0.143 \| good
2026-10-24T02:00:00.000Z	39 \| good	6.313 \| good	27.753 \| good	42.101 \| good	1.648 \| good	9.893 \| good	0.156 \| good
2026-10-24T03:00:00.000Z	49 \| good	8.584 \| good	37.557 \| good	40.199 \| good	1.727 \| good	13.753 \| good	0.169 \| good
2026-10-24T04:00:00.000Z	56 \| moderate	11.635 \| good	51.713 \| good	32.485 \| good	1.801 \| good	17.13 \| good	0.18 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.858 \| fine	66.481 \| fine	27.829 \| good	1.85 \| good	19.101 \| good	0.191 \| good
2026-10-24T06:00:00.000Z	62 \| moderate	15.073 \| fine	67.916 \| fine	24.767 \| good	1.874 \| good	20.733 \| good	0.201 \| good
2026-10-24T07:00:00.000Z	66 \| moderate	17.016 \| fine	75.756 \| fine	22.784 \| good	1.857 \| good	20.893 \| good	0.211 \| good
2026-10-24T08:00:00.000Z	66 \| moderate	17.295 \| fine	76.455 \| fine	23.532 \| good	1.774 \| good	20.081 \| good	0.215 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	13.471 \| fine	60.851 \| fine	26.45 \| good	1.667 \| good	19.126 \| good	0.217 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	11.61 \| good	51.324 \| good	27.184 \| good	1.536 \| good	17.904 \| good	0.219 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	10.89 \| good	48.644 \| good	26.107 \| good	1.402 \| good	16.772 \| good	0.221 \| good
2026-10-24T12:00:00.000Z	54 \| moderate	10.8 \| good	48.134 \| good	25.489 \| good	1.291 \| good	15.74 \| good	0.221 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.958 \| good	48.373 \| good	26.354 \| good	1.2 \| good	14.881 \| good	0.221 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	13.84 \| fine	62.699 \| fine	29.295 \| good	1.157 \| good	14.42 \| good	0.226 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.412 \| fine	59.518 \| fine	28.614 \| good	1.096 \| good	13.335 \| good	0.241 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.411 \| good	50.673 \| good	33.899 \| good	1.161 \| good	11.61 \| good	0.23 \| good
2026-10-24T17:00:00.000Z	52 \| moderate	10.163 \| good	45.073 \| good	40.806 \| good	1.414 \| good	8.564 \| good	0.182 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.116 \| good	44.895 \| good	46.107 \| good	1.676 \| good	6.197 \| good	0.166 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.36 \| good	50.618 \| good	51.699 \| good	1.706 \| good	5.009 \| good	0.16 \| good
2026-10-24T20:00:00.000Z	58 \| moderate	11.728 \| good	51.71 \| good	56.568 \| fine	1.658 \| good	4.184 \| good	0.155 \| good
2026-10-24T21:00:00.000Z	61 \| moderate	11.232 \| good	49.657 \| good	58.249 \| fine	1.617 \| good	3.754 \| good	0.153 \| 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?