What is the sulfur dioxide (SO2) level in Costa Mesa, California at the moment?

Currently, Costa Mesa, California has a sulfur dioxide (SO2) concentration of 0.985 ppb.

What is the ozone (O3) level in Costa Mesa, California at the moment?

The current ozone (O3) level in Costa Mesa, California at the moment is 51.612 ppm.

What is the nitrogen dioxide (NO2) level in Costa Mesa, California at the moment?

Nitrogen dioxide (NO2) level in Costa Mesa, California at the moment is 13.784 ppb.

Live air quality index in Costa Mesa, California today

Q: What is the PM2.5 level in Costa Mesa, California at the moment?

PM2.5 levels in Costa Mesa, California are currently 12.972 μg/m3.

Q: What is the PM10 level in Costa Mesa, California at the moment?

The PM10 concentration in Costa Mesa, California is 78.574 μg/m3 at the moment.

Stay updated with real-time air quality in Costa Mesa, 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

Costa Mesa, California

Last updated: ... (Local time)

Major air pollutants in Costa Mesa, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.97 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

78.57 μg/m³

155

255

425

605+

Ozone (O₃)

51.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.98 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Costa Mesa, California

Get Live Pollen Counts

Costa Mesa, California

Scroll To Air Quality Map

Track live Costa Mesa, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	53 \| moderate	10.099 \| good	59.785 \| fine	39.099 \| good	0.577 \| good	12.935 \| good	0.208 \| good
2026-07-22T01:00:00.000Z	38 \| good	6.995 \| good	23.367 \| good	34.753 \| good	0.558 \| good	7.97 \| good	0.257 \| good
2026-07-22T02:00:00.000Z	33 \| good	6.448 \| good	18.463 \| good	33.604 \| good	0.584 \| good	10.513 \| good	0.208 \| good
2026-07-22T03:00:00.000Z	33 \| good	5.711 \| good	32.849 \| good	31.883 \| good	0.529 \| good	9.083 \| good	0.257 \| good
2026-07-22T04:00:00.000Z	33 \| good	6.305 \| good	26.92 \| good	30.547 \| good	0.452 \| good	6.684 \| good	0.305 \| good
2026-07-22T05:00:00.000Z	27 \| good	5.292 \| good	20.418 \| good	26.007 \| good	0.65 \| good	6.291 \| good	0.329 \| good
2026-07-22T06:00:00.000Z	27 \| good	5.101 \| good	17.197 \| good	25.651 \| good	0.503 \| good	5.258 \| good	0.401 \| good
2026-07-22T07:00:00.000Z	33 \| good	5.507 \| good	26.094 \| good	24.66 \| good	0.504 \| good	5.297 \| good	0.401 \| good
2026-07-22T08:00:00.000Z	37 \| good	4.319 \| good	39.913 \| good	18.512 \| good	0.468 \| good	5.315 \| good	0.328 \| good
2026-07-22T09:00:00.000Z	22 \| good	4.162 \| good	20.069 \| good	16.48 \| good	0.491 \| good	3.485 \| good	0.231 \| good
2026-07-22T10:00:00.000Z	22 \| good	3.943 \| good	13.684 \| good	14.55 \| good	0.437 \| good	3.354 \| good	0.231 \| good
2026-07-22T11:00:00.000Z	22 \| good	4.435 \| good	23.915 \| good	13.141 \| good	0.56 \| good	3.63 \| good	0.183 \| good
2026-07-22T12:00:00.000Z	22 \| good	4.018 \| good	12.885 \| good	14.75 \| good	0.456 \| good	3.773 \| good	0.242 \| good
2026-07-22T13:00:00.000Z	27 \| good	5.389 \| good	18.018 \| good	13.877 \| good	0.456 \| good	3.437 \| good	0.242 \| good
2026-07-22T14:00:00.000Z	44 \| good	7.518 \| good	17.477 \| good	13.579 \| good	0.454 \| good	6.603 \| good	0.422 \| good
2026-07-22T15:00:00.000Z	33 \| good	5.748 \| good	22.196 \| good	12.316 \| good	0.605 \| good	10.294 \| good	0.364 \| good
2026-07-22T16:00:00.000Z	33 \| good	6.44 \| good	13.584 \| good	15.95 \| good	0.685 \| good	10.79 \| good	0.34 \| good
2026-07-22T17:00:00.000Z	52 \| moderate	10.354 \| good	28.345 \| good	18.901 \| good	0.719 \| good	11.477 \| good	0.292 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	10.042 \| good	45.87 \| good	21.805 \| good	0.722 \| good	9.029 \| good	0.292 \| good
2026-07-22T19:00:00.000Z	49 \| good	9 \| good	40.077 \| good	23.292 \| good	0.694 \| good	9.194 \| good	0.321 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	9.853 \| good	41.614 \| good	30.188 \| good	0.787 \| good	9.679 \| good	0.321 \| good
2026-07-22T21:00:00.000Z	33 \| good	6.239 \| good	18.243 \| good	33.745 \| good	0.789 \| good	9.155 \| good	0.292 \| good
2026-07-22T22:00:00.000Z	33 \| good	6.382 \| good	23.654 \| good	34.406 \| good	0.859 \| good	7.529 \| good	0.28 \| good
2026-07-22T23:00:00.000Z	30 \| good	4.616 \| good	30.151 \| good	31.86 \| good	0.646 \| good	7.341 \| good	0.328 \| good
2026-07-23T00:00:00.000Z	28 \| good	4.748 \| good	23.78 \| good	30.464 \| good	0.731 \| good	10.758 \| good	0.28 \| good
2026-07-23T01:00:00.000Z	27 \| good	5.138 \| good	25.599 \| good	27.249 \| good	0.845 \| good	9.546 \| good	0.28 \| good
2026-07-23T02:00:00.000Z	30 \| good	5.427 \| good	31.83 \| good	21.783 \| good	0.848 \| good	10.569 \| good	0.328 \| good
2026-07-23T03:00:00.000Z	49 \| good	8.956 \| good	39.722 \| good	18.304 \| good	0.537 \| good	4.229 \| good	0.097 \| good
2026-07-23T04:00:00.000Z	33 \| good	6.003 \| good	22.817 \| good	25.535 \| good	0.707 \| good	10.4 \| good	0.328 \| good
2026-07-23T05:00:00.000Z	33 \| good	5.535 \| good	24.622 \| good	23.594 \| good	0.799 \| good	13.866 \| good	0.328 \| good
2026-07-23T06:00:00.000Z	38 \| good	6.905 \| good	22.647 \| good	20.291 \| good	0.679 \| good	14.751 \| good	0.376 \| good
2026-07-23T07:00:00.000Z	33 \| good	6.138 \| good	30.017 \| good	23.375 \| good	0.656 \| good	5.249 \| good	0.375 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.646 \| good	28.582 \| good	19.192 \| good	0.573 \| good	6.806 \| good	0.339 \| good
2026-07-23T09:00:00.000Z	27 \| good	5.166 \| good	24.012 \| good	19.422 \| good	0.63 \| good	7.023 \| good	0.243 \| good
2026-07-23T10:00:00.000Z	38 \| good	6.912 \| good	38.114 \| good	16.85 \| good	0.575 \| good	7.874 \| good	0.255 \| good
2026-07-23T11:00:00.000Z	44 \| good	7.736 \| good	30.29 \| good	19.744 \| good	0.719 \| good	6.013 \| good	0.243 \| good
2026-07-23T12:00:00.000Z	33 \| good	6.497 \| good	20.819 \| good	17.123 \| good	0.538 \| good	8.601 \| good	0.272 \| good
2026-07-23T13:00:00.000Z	57 \| moderate	7.443 \| good	66.907 \| fine	25.231 \| good	0.538 \| good	8.785 \| good	0.272 \| good
2026-07-23T14:00:00.000Z	72 \| moderate	8.696 \| good	97.383 \| fine	11.588 \| good	0.637 \| good	11.653 \| good	0.467 \| good
2026-07-23T15:00:00.000Z	124 \| sensitive	44.794 \| moderate	158.493 \| moderate	17.521 \| good	0.816 \| good	14.363 \| good	0.517 \| good
2026-07-23T16:00:00.000Z	112 \| sensitive	40.472 \| moderate	161.608 \| moderate	18.65 \| good	0.879 \| good	15.456 \| good	0.453 \| good
2026-07-23T17:00:00.000Z	56 \| moderate	12.272 \| fine	28.224 \| good	27.016 \| good	0.803 \| good	12.305 \| good	0.381 \| good
2026-07-23T18:00:00.000Z	96 \| moderate	15.84 \| fine	145.122 \| fine	34.236 \| good	0.84 \| good	17.881 \| good	0.356 \| good
2026-07-23T19:00:00.000Z	110 \| sensitive	26.853 \| fine	173.536 \| moderate	48.789 \| good	0.774 \| good	20.365 \| good	0.353 \| good
2026-07-23T20:00:00.000Z	69 \| moderate	14.022 \| fine	90.636 \| fine	46.634 \| good	0.752 \| good	19.365 \| good	0.339 \| good
2026-07-23T21:00:00.000Z	60 \| moderate	14.139 \| fine	52.779 \| good	50.25 \| good	0.798 \| good	16.655 \| good	0.321 \| good
2026-07-23T22:00:00.000Z	63 \| moderate	12.972 \| fine	78.574 \| fine	51.612 \| good	0.985 \| good	13.784 \| good	0.304 \| good
2026-07-23T23:00:00.000Z	57 \| moderate	12.176 \| fine	66.507 \| fine	50.949 \| good	1.055 \| good	11.806 \| good	0.34 \| good
2026-07-23T23:00:00.000Z	63 \| moderate	12.972 \| fine	78.574 \| fine	51.612 \| good	0.985 \| good	13.784 \| good	0.304 \| good
2026-07-24T00:00:00.000Z	60 \| moderate	14.067 \| fine	63.17 \| fine	40.229 \| good	0.713 \| good	2.597 \| good	0.102 \| good
2026-07-24T01:00:00.000Z	56 \| moderate	11.978 \| good	53.74 \| good	33.948 \| good	0.681 \| good	3.121 \| good	0.104 \| good
2026-07-24T02:00:00.000Z	60 \| moderate	13.751 \| fine	61.836 \| fine	29.247 \| good	0.644 \| good	4.12 \| good	0.105 \| good
2026-07-24T03:00:00.000Z	54 \| moderate	11.354 \| good	50.195 \| good	28.255 \| good	0.603 \| good	5.223 \| good	0.104 \| good
2026-07-24T04:00:00.000Z	49 \| good	9.489 \| good	42.295 \| good	26.802 \| good	0.583 \| good	5.628 \| good	0.102 \| good
2026-07-24T05:00:00.000Z	49 \| good	9.227 \| good	40.742 \| good	26.664 \| good	0.558 \| good	5.724 \| good	0.101 \| good
2026-07-24T06:00:00.000Z	49 \| good	9.476 \| good	42.011 \| good	24.93 \| good	0.534 \| good	5.938 \| good	0.102 \| good
2026-07-24T07:00:00.000Z	54 \| moderate	10.538 \| good	46.72 \| good	24.161 \| good	0.507 \| good	6.27 \| good	0.103 \| good
2026-07-24T08:00:00.000Z	56 \| moderate	11.636 \| good	51.826 \| good	23.766 \| good	0.473 \| good	6.06 \| good	0.103 \| good
2026-07-24T09:00:00.000Z	52 \| moderate	10.361 \| good	45.67 \| good	24.148 \| good	0.454 \| good	6.016 \| good	0.103 \| good
2026-07-24T10:00:00.000Z	52 \| moderate	9.883 \| good	43.73 \| good	22.799 \| good	0.451 \| good	6.302 \| good	0.104 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.351 \| good	41.235 \| good	22.316 \| good	0.458 \| good	6.728 \| good	0.106 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	10.896 \| good	48.252 \| good	21.488 \| good	0.473 \| good	7.121 \| good	0.107 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	12.918 \| fine	57.419 \| fine	18.033 \| good	0.488 \| good	7.287 \| good	0.109 \| good
2026-07-24T14:00:00.000Z	62 \| moderate	14.795 \| fine	65.891 \| fine	19.806 \| good	0.497 \| good	6.279 \| good	0.112 \| good
2026-07-24T15:00:00.000Z	64 \| moderate	15.533 \| fine	69.747 \| fine	22.789 \| good	0.526 \| good	4.678 \| good	0.106 \| good
2026-07-24T16:00:00.000Z	62 \| moderate	15.17 \| fine	67.326 \| fine	26.754 \| good	0.556 \| good	4.082 \| good	0.105 \| good
2026-07-24T17:00:00.000Z	64 \| moderate	16.211 \| fine	71.77 \| fine	33.433 \| good	0.603 \| good	3.691 \| good	0.104 \| good
2026-07-24T18:00:00.000Z	60 \| moderate	14.186 \| fine	63.175 \| fine	37.644 \| good	0.635 \| good	3.347 \| good	0.103 \| good
2026-07-24T19:00:00.000Z	60 \| moderate	14.079 \| fine	63.253 \| fine	38.024 \| good	0.655 \| good	2.929 \| good	0.102 \| good
2026-07-24T20:00:00.000Z	62 \| moderate	15.047 \| fine	67.276 \| fine	40.263 \| good	0.651 \| good	2.55 \| good	0.101 \| good
2026-07-24T21:00:00.000Z	54 \| moderate	10.799 \| good	48.029 \| good	42.344 \| good	0.647 \| good	2.264 \| good	0.099 \| good
2026-07-24T22:00:00.000Z	54 \| moderate	10.977 \| good	48.763 \| good	40.621 \| good	0.639 \| good	2.113 \| good	0.098 \| good
2026-07-24T23:00:00.000Z	49 \| good	9.291 \| good	41.475 \| good	38.038 \| good	0.628 \| good	2.121 \| good	0.097 \| good
2026-07-25T00:00:00.000Z	52 \| moderate	10.119 \| good	44.979 \| good	35.818 \| good	0.617 \| good	2.361 \| good	0.097 \| good
2026-07-25T01:00:00.000Z	52 \| moderate	9.63 \| good	43.153 \| good	32.342 \| good	0.597 \| good	2.753 \| good	0.096 \| good
2026-07-25T02:00:00.000Z	49 \| good	8.63 \| good	37.546 \| good	29.27 \| good	0.574 \| good	3.503 \| good	0.097 \| good
2026-07-25T03:00:00.000Z	44 \| good	8.39 \| good	36.629 \| good	29.073 \| good	0.557 \| good	4.47 \| good	0.097 \| good
2026-07-25T04:00:00.000Z	44 \| good	7.767 \| good	34.39 \| good	27.795 \| good	0.556 \| good	5.005 \| good	0.098 \| good
2026-07-25T05:00:00.000Z	44 \| good	7.769 \| good	34.172 \| good	26.56 \| good	0.55 \| good	5.329 \| good	0.098 \| good
2026-07-25T06:00:00.000Z	44 \| good	7.891 \| good	34.842 \| good	25.655 \| good	0.546 \| good	5.901 \| good	0.099 \| good
2026-07-25T07:00:00.000Z	49 \| good	8.518 \| good	37.647 \| good	24.421 \| good	0.534 \| good	6.367 \| good	0.101 \| good
2026-07-25T08:00:00.000Z	49 \| good	8.98 \| good	39.177 \| good	23.145 \| good	0.517 \| good	6.273 \| good	0.102 \| good
2026-07-25T09:00:00.000Z	44 \| good	8.053 \| good	35.429 \| good	22.682 \| good	0.524 \| good	6.573 \| good	0.103 \| good
2026-07-25T10:00:00.000Z	44 \| good	7.78 \| good	34.277 \| good	22.822 \| good	0.531 \| good	6.943 \| good	0.104 \| good
2026-07-25T11:00:00.000Z	44 \| good	8.008 \| good	35.144 \| good	21.727 \| good	0.537 \| good	7.475 \| good	0.105 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	10.043 \| good	44.513 \| good	20.628 \| good	0.543 \| good	8.544 \| good	0.109 \| good
2026-07-25T13:00:00.000Z	54 \| moderate	11.088 \| good	49.162 \| good	19.776 \| good	0.556 \| good	9.121 \| good	0.114 \| good
2026-07-25T14:00:00.000Z	62 \| moderate	15.196 \| fine	67.816 \| fine	18.499 \| good	0.583 \| good	8.07 \| good	0.119 \| good
2026-07-25T15:00:00.000Z	64 \| moderate	15.517 \| fine	69.262 \| fine	21.244 \| good	0.636 \| good	5.858 \| good	0.108 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.163 \| fine	76.281 \| fine	29.464 \| good	0.693 \| good	5.086 \| good	0.106 \| good
2026-07-25T17:00:00.000Z	73 \| moderate	21.122 \| fine	92.4 \| fine	41.311 \| good	0.747 \| good	4.605 \| good	0.105 \| good
2026-07-25T18:00:00.000Z	77 \| moderate	22.596 \| fine	98.603 \| fine	47.348 \| good	0.771 \| good	4.136 \| good	0.104 \| good
2026-07-25T19:00:00.000Z	66 \| moderate	17.28 \| fine	76.522 \| fine	47.63 \| good	0.766 \| good	3.517 \| good	0.103 \| good
2026-07-25T20:00:00.000Z	64 \| moderate	15.579 \| fine	69.251 \| fine	47.707 \| good	0.753 \| good	2.985 \| good	0.101 \| good
2026-07-25T21:00:00.000Z	56 \| moderate	12.4 \| fine	55.367 \| fine	48.87 \| good	0.743 \| good	2.619 \| good	0.1 \| good
2026-07-25T22:00:00.000Z	54 \| moderate	11.346 \| good	50.182 \| good	48.096 \| good	0.758 \| good	2.333 \| good	0.1 \| good
2026-07-25T23:00:00.000Z	52 \| moderate	9.899 \| good	44.067 \| good	45.951 \| good	0.752 \| good	2.161 \| good	0.099 \| good

Costa Mesa

Get reliable air quality data to drive your business

Costa Mesa, California air quality map: Stay updated on AQI near you

0.34ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Costa Mesa, California?

The air quality information for Costa Mesa, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Costa Mesa, California at its worst?

In the past 24 hours, the air quality in Costa Mesa, California was at its worst at 03:00:00 on 2026-07-23.

When did Costa Mesa, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Costa Mesa, California was observed at 09:00:00 on 2026-07-23.

What is the AQI in Costa Mesa, California right now?

As of now, the AQI in Costa Mesa, California is 63, indicating Moderate conditions.

What is the most common type of pollution in Costa Mesa, California?

Costa Mesa, California air has the highest levels of PM10.

What should I do in case of poor air quality in Costa Mesa, California?

Poor air quality in Costa Mesa, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Costa Mesa, California at the moment?

PM_2.5 levels in Costa Mesa, California are currently 12.972 μg/m³.

What is the PM₁₀ level in Costa Mesa, California at the moment?

The PM₁₀ concentration in Costa Mesa, California is 78.574 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Costa Mesa, California at the moment?

The current carbon monoxide (CO) concentration in Costa Mesa, California is 0.304 ppm.

What is the sulfur dioxide (SO₂) level in Costa Mesa, California at the moment?

Currently, Costa Mesa, California has a sulfur dioxide (SO₂) concentration of 0.985 ppb.

What is the ozone (O₃) level in Costa Mesa, California at the moment?

The current ozone (O₃) level in Costa Mesa, California at the moment is 51.612 ppm.

What is the nitrogen dioxide (NO₂) level in Costa Mesa, California at the moment?

Nitrogen dioxide (NO₂) level in Costa Mesa, California at the moment is 13.784 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T00:00:00.000Z	53 \| moderate	10.099 \| good	59.785 \| fine	39.099 \| good	0.577 \| good	12.935 \| good	0.208 \| good
2026-07-22T01:00:00.000Z	38 \| good	6.995 \| good	23.367 \| good	34.753 \| good	0.558 \| good	7.97 \| good	0.257 \| good
2026-07-22T02:00:00.000Z	33 \| good	6.448 \| good	18.463 \| good	33.604 \| good	0.584 \| good	10.513 \| good	0.208 \| good
2026-07-22T03:00:00.000Z	33 \| good	5.711 \| good	32.849 \| good	31.883 \| good	0.529 \| good	9.083 \| good	0.257 \| good
2026-07-22T04:00:00.000Z	33 \| good	6.305 \| good	26.92 \| good	30.547 \| good	0.452 \| good	6.684 \| good	0.305 \| good
2026-07-22T05:00:00.000Z	27 \| good	5.292 \| good	20.418 \| good	26.007 \| good	0.65 \| good	6.291 \| good	0.329 \| good
2026-07-22T06:00:00.000Z	27 \| good	5.101 \| good	17.197 \| good	25.651 \| good	0.503 \| good	5.258 \| good	0.401 \| good
2026-07-22T07:00:00.000Z	33 \| good	5.507 \| good	26.094 \| good	24.66 \| good	0.504 \| good	5.297 \| good	0.401 \| good
2026-07-22T08:00:00.000Z	37 \| good	4.319 \| good	39.913 \| good	18.512 \| good	0.468 \| good	5.315 \| good	0.328 \| good
2026-07-22T09:00:00.000Z	22 \| good	4.162 \| good	20.069 \| good	16.48 \| good	0.491 \| good	3.485 \| good	0.231 \| good
2026-07-22T10:00:00.000Z	22 \| good	3.943 \| good	13.684 \| good	14.55 \| good	0.437 \| good	3.354 \| good	0.231 \| good
2026-07-22T11:00:00.000Z	22 \| good	4.435 \| good	23.915 \| good	13.141 \| good	0.56 \| good	3.63 \| good	0.183 \| good
2026-07-22T12:00:00.000Z	22 \| good	4.018 \| good	12.885 \| good	14.75 \| good	0.456 \| good	3.773 \| good	0.242 \| good
2026-07-22T13:00:00.000Z	27 \| good	5.389 \| good	18.018 \| good	13.877 \| good	0.456 \| good	3.437 \| good	0.242 \| good
2026-07-22T14:00:00.000Z	44 \| good	7.518 \| good	17.477 \| good	13.579 \| good	0.454 \| good	6.603 \| good	0.422 \| good
2026-07-22T15:00:00.000Z	33 \| good	5.748 \| good	22.196 \| good	12.316 \| good	0.605 \| good	10.294 \| good	0.364 \| good
2026-07-22T16:00:00.000Z	33 \| good	6.44 \| good	13.584 \| good	15.95 \| good	0.685 \| good	10.79 \| good	0.34 \| good
2026-07-22T17:00:00.000Z	52 \| moderate	10.354 \| good	28.345 \| good	18.901 \| good	0.719 \| good	11.477 \| good	0.292 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	10.042 \| good	45.87 \| good	21.805 \| good	0.722 \| good	9.029 \| good	0.292 \| good
2026-07-22T19:00:00.000Z	49 \| good	9 \| good	40.077 \| good	23.292 \| good	0.694 \| good	9.194 \| good	0.321 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	9.853 \| good	41.614 \| good	30.188 \| good	0.787 \| good	9.679 \| good	0.321 \| good
2026-07-22T21:00:00.000Z	33 \| good	6.239 \| good	18.243 \| good	33.745 \| good	0.789 \| good	9.155 \| good	0.292 \| good
2026-07-22T22:00:00.000Z	33 \| good	6.382 \| good	23.654 \| good	34.406 \| good	0.859 \| good	7.529 \| good	0.28 \| good
2026-07-22T23:00:00.000Z	30 \| good	4.616 \| good	30.151 \| good	31.86 \| good	0.646 \| good	7.341 \| good	0.328 \| good
2026-07-23T00:00:00.000Z	28 \| good	4.748 \| good	23.78 \| good	30.464 \| good	0.731 \| good	10.758 \| good	0.28 \| good
2026-07-23T01:00:00.000Z	27 \| good	5.138 \| good	25.599 \| good	27.249 \| good	0.845 \| good	9.546 \| good	0.28 \| good
2026-07-23T02:00:00.000Z	30 \| good	5.427 \| good	31.83 \| good	21.783 \| good	0.848 \| good	10.569 \| good	0.328 \| good
2026-07-23T03:00:00.000Z	49 \| good	8.956 \| good	39.722 \| good	18.304 \| good	0.537 \| good	4.229 \| good	0.097 \| good
2026-07-23T04:00:00.000Z	33 \| good	6.003 \| good	22.817 \| good	25.535 \| good	0.707 \| good	10.4 \| good	0.328 \| good
2026-07-23T05:00:00.000Z	33 \| good	5.535 \| good	24.622 \| good	23.594 \| good	0.799 \| good	13.866 \| good	0.328 \| good
2026-07-23T06:00:00.000Z	38 \| good	6.905 \| good	22.647 \| good	20.291 \| good	0.679 \| good	14.751 \| good	0.376 \| good
2026-07-23T07:00:00.000Z	33 \| good	6.138 \| good	30.017 \| good	23.375 \| good	0.656 \| good	5.249 \| good	0.375 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.646 \| good	28.582 \| good	19.192 \| good	0.573 \| good	6.806 \| good	0.339 \| good
2026-07-23T09:00:00.000Z	27 \| good	5.166 \| good	24.012 \| good	19.422 \| good	0.63 \| good	7.023 \| good	0.243 \| good
2026-07-23T10:00:00.000Z	38 \| good	6.912 \| good	38.114 \| good	16.85 \| good	0.575 \| good	7.874 \| good	0.255 \| good
2026-07-23T11:00:00.000Z	44 \| good	7.736 \| good	30.29 \| good	19.744 \| good	0.719 \| good	6.013 \| good	0.243 \| good
2026-07-23T12:00:00.000Z	33 \| good	6.497 \| good	20.819 \| good	17.123 \| good	0.538 \| good	8.601 \| good	0.272 \| good
2026-07-23T13:00:00.000Z	57 \| moderate	7.443 \| good	66.907 \| fine	25.231 \| good	0.538 \| good	8.785 \| good	0.272 \| good
2026-07-23T14:00:00.000Z	72 \| moderate	8.696 \| good	97.383 \| fine	11.588 \| good	0.637 \| good	11.653 \| good	0.467 \| good
2026-07-23T15:00:00.000Z	124 \| sensitive	44.794 \| moderate	158.493 \| moderate	17.521 \| good	0.816 \| good	14.363 \| good	0.517 \| good
2026-07-23T16:00:00.000Z	112 \| sensitive	40.472 \| moderate	161.608 \| moderate	18.65 \| good	0.879 \| good	15.456 \| good	0.453 \| good
2026-07-23T17:00:00.000Z	56 \| moderate	12.272 \| fine	28.224 \| good	27.016 \| good	0.803 \| good	12.305 \| good	0.381 \| good
2026-07-23T18:00:00.000Z	96 \| moderate	15.84 \| fine	145.122 \| fine	34.236 \| good	0.84 \| good	17.881 \| good	0.356 \| good
2026-07-23T19:00:00.000Z	110 \| sensitive	26.853 \| fine	173.536 \| moderate	48.789 \| good	0.774 \| good	20.365 \| good	0.353 \| good
2026-07-23T20:00:00.000Z	69 \| moderate	14.022 \| fine	90.636 \| fine	46.634 \| good	0.752 \| good	19.365 \| good	0.339 \| good
2026-07-23T21:00:00.000Z	60 \| moderate	14.139 \| fine	52.779 \| good	50.25 \| good	0.798 \| good	16.655 \| good	0.321 \| good
2026-07-23T22:00:00.000Z	63 \| moderate	12.972 \| fine	78.574 \| fine	51.612 \| good	0.985 \| good	13.784 \| good	0.304 \| good
2026-07-23T23:00:00.000Z	57 \| moderate	12.176 \| fine	66.507 \| fine	50.949 \| good	1.055 \| good	11.806 \| good	0.34 \| good
2026-07-23T23:00:00.000Z	63 \| moderate	12.972 \| fine	78.574 \| fine	51.612 \| good	0.985 \| good	13.784 \| good	0.304 \| good
2026-07-24T00:00:00.000Z	60 \| moderate	14.067 \| fine	63.17 \| fine	40.229 \| good	0.713 \| good	2.597 \| good	0.102 \| good
2026-07-24T01:00:00.000Z	56 \| moderate	11.978 \| good	53.74 \| good	33.948 \| good	0.681 \| good	3.121 \| good	0.104 \| good
2026-07-24T02:00:00.000Z	60 \| moderate	13.751 \| fine	61.836 \| fine	29.247 \| good	0.644 \| good	4.12 \| good	0.105 \| good
2026-07-24T03:00:00.000Z	54 \| moderate	11.354 \| good	50.195 \| good	28.255 \| good	0.603 \| good	5.223 \| good	0.104 \| good
2026-07-24T04:00:00.000Z	49 \| good	9.489 \| good	42.295 \| good	26.802 \| good	0.583 \| good	5.628 \| good	0.102 \| good
2026-07-24T05:00:00.000Z	49 \| good	9.227 \| good	40.742 \| good	26.664 \| good	0.558 \| good	5.724 \| good	0.101 \| good
2026-07-24T06:00:00.000Z	49 \| good	9.476 \| good	42.011 \| good	24.93 \| good	0.534 \| good	5.938 \| good	0.102 \| good
2026-07-24T07:00:00.000Z	54 \| moderate	10.538 \| good	46.72 \| good	24.161 \| good	0.507 \| good	6.27 \| good	0.103 \| good
2026-07-24T08:00:00.000Z	56 \| moderate	11.636 \| good	51.826 \| good	23.766 \| good	0.473 \| good	6.06 \| good	0.103 \| good
2026-07-24T09:00:00.000Z	52 \| moderate	10.361 \| good	45.67 \| good	24.148 \| good	0.454 \| good	6.016 \| good	0.103 \| good
2026-07-24T10:00:00.000Z	52 \| moderate	9.883 \| good	43.73 \| good	22.799 \| good	0.451 \| good	6.302 \| good	0.104 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.351 \| good	41.235 \| good	22.316 \| good	0.458 \| good	6.728 \| good	0.106 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	10.896 \| good	48.252 \| good	21.488 \| good	0.473 \| good	7.121 \| good	0.107 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	12.918 \| fine	57.419 \| fine	18.033 \| good	0.488 \| good	7.287 \| good	0.109 \| good
2026-07-24T14:00:00.000Z	62 \| moderate	14.795 \| fine	65.891 \| fine	19.806 \| good	0.497 \| good	6.279 \| good	0.112 \| good
2026-07-24T15:00:00.000Z	64 \| moderate	15.533 \| fine	69.747 \| fine	22.789 \| good	0.526 \| good	4.678 \| good	0.106 \| good
2026-07-24T16:00:00.000Z	62 \| moderate	15.17 \| fine	67.326 \| fine	26.754 \| good	0.556 \| good	4.082 \| good	0.105 \| good
2026-07-24T17:00:00.000Z	64 \| moderate	16.211 \| fine	71.77 \| fine	33.433 \| good	0.603 \| good	3.691 \| good	0.104 \| good
2026-07-24T18:00:00.000Z	60 \| moderate	14.186 \| fine	63.175 \| fine	37.644 \| good	0.635 \| good	3.347 \| good	0.103 \| good
2026-07-24T19:00:00.000Z	60 \| moderate	14.079 \| fine	63.253 \| fine	38.024 \| good	0.655 \| good	2.929 \| good	0.102 \| good
2026-07-24T20:00:00.000Z	62 \| moderate	15.047 \| fine	67.276 \| fine	40.263 \| good	0.651 \| good	2.55 \| good	0.101 \| good
2026-07-24T21:00:00.000Z	54 \| moderate	10.799 \| good	48.029 \| good	42.344 \| good	0.647 \| good	2.264 \| good	0.099 \| good
2026-07-24T22:00:00.000Z	54 \| moderate	10.977 \| good	48.763 \| good	40.621 \| good	0.639 \| good	2.113 \| good	0.098 \| good
2026-07-24T23:00:00.000Z	49 \| good	9.291 \| good	41.475 \| good	38.038 \| good	0.628 \| good	2.121 \| good	0.097 \| good
2026-07-25T00:00:00.000Z	52 \| moderate	10.119 \| good	44.979 \| good	35.818 \| good	0.617 \| good	2.361 \| good	0.097 \| good
2026-07-25T01:00:00.000Z	52 \| moderate	9.63 \| good	43.153 \| good	32.342 \| good	0.597 \| good	2.753 \| good	0.096 \| good
2026-07-25T02:00:00.000Z	49 \| good	8.63 \| good	37.546 \| good	29.27 \| good	0.574 \| good	3.503 \| good	0.097 \| good
2026-07-25T03:00:00.000Z	44 \| good	8.39 \| good	36.629 \| good	29.073 \| good	0.557 \| good	4.47 \| good	0.097 \| good
2026-07-25T04:00:00.000Z	44 \| good	7.767 \| good	34.39 \| good	27.795 \| good	0.556 \| good	5.005 \| good	0.098 \| good
2026-07-25T05:00:00.000Z	44 \| good	7.769 \| good	34.172 \| good	26.56 \| good	0.55 \| good	5.329 \| good	0.098 \| good
2026-07-25T06:00:00.000Z	44 \| good	7.891 \| good	34.842 \| good	25.655 \| good	0.546 \| good	5.901 \| good	0.099 \| good
2026-07-25T07:00:00.000Z	49 \| good	8.518 \| good	37.647 \| good	24.421 \| good	0.534 \| good	6.367 \| good	0.101 \| good
2026-07-25T08:00:00.000Z	49 \| good	8.98 \| good	39.177 \| good	23.145 \| good	0.517 \| good	6.273 \| good	0.102 \| good
2026-07-25T09:00:00.000Z	44 \| good	8.053 \| good	35.429 \| good	22.682 \| good	0.524 \| good	6.573 \| good	0.103 \| good
2026-07-25T10:00:00.000Z	44 \| good	7.78 \| good	34.277 \| good	22.822 \| good	0.531 \| good	6.943 \| good	0.104 \| good
2026-07-25T11:00:00.000Z	44 \| good	8.008 \| good	35.144 \| good	21.727 \| good	0.537 \| good	7.475 \| good	0.105 \| good
2026-07-25T12:00:00.000Z	52 \| moderate	10.043 \| good	44.513 \| good	20.628 \| good	0.543 \| good	8.544 \| good	0.109 \| good
2026-07-25T13:00:00.000Z	54 \| moderate	11.088 \| good	49.162 \| good	19.776 \| good	0.556 \| good	9.121 \| good	0.114 \| good
2026-07-25T14:00:00.000Z	62 \| moderate	15.196 \| fine	67.816 \| fine	18.499 \| good	0.583 \| good	8.07 \| good	0.119 \| good
2026-07-25T15:00:00.000Z	64 \| moderate	15.517 \| fine	69.262 \| fine	21.244 \| good	0.636 \| good	5.858 \| good	0.108 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.163 \| fine	76.281 \| fine	29.464 \| good	0.693 \| good	5.086 \| good	0.106 \| good
2026-07-25T17:00:00.000Z	73 \| moderate	21.122 \| fine	92.4 \| fine	41.311 \| good	0.747 \| good	4.605 \| good	0.105 \| good
2026-07-25T18:00:00.000Z	77 \| moderate	22.596 \| fine	98.603 \| fine	47.348 \| good	0.771 \| good	4.136 \| good	0.104 \| good
2026-07-25T19:00:00.000Z	66 \| moderate	17.28 \| fine	76.522 \| fine	47.63 \| good	0.766 \| good	3.517 \| good	0.103 \| good
2026-07-25T20:00:00.000Z	64 \| moderate	15.579 \| fine	69.251 \| fine	47.707 \| good	0.753 \| good	2.985 \| good	0.101 \| good
2026-07-25T21:00:00.000Z	56 \| moderate	12.4 \| fine	55.367 \| fine	48.87 \| good	0.743 \| good	2.619 \| good	0.1 \| good
2026-07-25T22:00:00.000Z	54 \| moderate	11.346 \| good	50.182 \| good	48.096 \| good	0.758 \| good	2.333 \| good	0.1 \| good
2026-07-25T23:00:00.000Z	52 \| moderate	9.899 \| good	44.067 \| good	45.951 \| good	0.752 \| good	2.161 \| good	0.099 \| good

Live air quality index in Costa Mesa, California today

Major air pollutants in Costa Mesa, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Costa Mesa, California at the moment?

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What is the sulfur dioxide (SO₂) level in Costa Mesa, California at the moment?

What is the ozone (O₃) level in Costa Mesa, California at the moment?

What is the nitrogen dioxide (NO₂) level in Costa Mesa, California at the moment?