What is the sulfur dioxide (SO2) level in Fountain Valley, California at the moment?

Currently, Fountain Valley, California has a sulfur dioxide (SO2) concentration of 0.685 ppb.

What is the ozone (O3) level in Fountain Valley, California at the moment?

The current ozone (O3) level in Fountain Valley, California at the moment is 30.132 ppm.

What is the nitrogen dioxide (NO2) level in Fountain Valley, California at the moment?

Nitrogen dioxide (NO2) level in Fountain Valley, California at the moment is 5.866 ppb.

Live air quality index in Fountain Valley, California today

Q: What is the PM2.5 level in Fountain Valley, California at the moment?

PM2.5 levels in Fountain Valley, California are currently 7.708 μg/m3.

Q: What is the PM10 level in Fountain Valley, California at the moment?

The PM10 concentration in Fountain Valley, California is 22.99 μg/m3 at the moment.

Stay updated with real-time air quality in Fountain Valley, 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

Fountain Valley, California

Last updated: ... (Local time)

Major air pollutants in Fountain Valley, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.99 μg/m³

155

255

425

605+

Ozone (O₃)

30.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.87 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.37 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Fountain Valley, California

Get Live Pollen Counts

Fountain Valley, California

Scroll To Air Quality Map

Track live Fountain Valley, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-14T20:00:00.000Z	27 \| good	4.303 \| good	20.377 \| good	29.205 \| good	0.39 \| good	8.876 \| good	0.334 \| good
2026-08-14T21:00:00.000Z	27 \| good	5.141 \| good	18.547 \| good	29.407 \| good	0.411 \| good	7.206 \| good	0.281 \| good
2026-08-14T22:00:00.000Z	28 \| good	3.73 \| good	13.084 \| good	29.811 \| good	0.428 \| good	7.101 \| good	0.278 \| good
2026-08-14T23:00:00.000Z	27 \| good	3.688 \| good	11.03 \| good	29.026 \| good	0.364 \| good	7.799 \| good	0.269 \| good
2026-08-15T00:00:00.000Z	27 \| good	4.483 \| good	19.08 \| good	29.286 \| good	0.427 \| good	8.122 \| good	0.322 \| good
2026-08-15T01:00:00.000Z	26 \| good	4.041 \| good	14.74 \| good	28.339 \| good	0.43 \| good	8.58 \| good	0.322 \| good
2026-08-15T02:00:00.000Z	26 \| good	3.747 \| good	18.191 \| good	28.229 \| good	0.38 \| good	7.093 \| good	0.322 \| good
2026-08-15T03:00:00.000Z	24 \| good	2.997 \| good	11.839 \| good	25.617 \| good	0.328 \| good	7.999 \| good	0.332 \| good
2026-08-15T04:00:00.000Z	25 \| good	2.915 \| good	9.729 \| good	26.98 \| good	0.317 \| good	7.397 \| good	0.385 \| good
2026-08-15T05:00:00.000Z	23 \| good	3.675 \| good	14.752 \| good	24.97 \| good	0.53 \| good	7.073 \| good	0.332 \| good
2026-08-15T06:00:00.000Z	20 \| good	3.342 \| good	12.879 \| good	22.104 \| good	0.32 \| good	7.752 \| good	0.438 \| good
2026-08-15T07:00:00.000Z	23 \| good	4.002 \| good	10.202 \| good	24.655 \| good	0.305 \| good	7.732 \| good	0.438 \| good
2026-08-15T08:00:00.000Z	19 \| good	3.472 \| good	19.159 \| good	20.014 \| good	0.295 \| good	8.558 \| good	0.393 \| good
2026-08-15T09:00:00.000Z	27 \| good	5.378 \| good	20.27 \| good	17.994 \| good	0.374 \| good	5.541 \| good	0.278 \| good
2026-08-15T10:00:00.000Z	27 \| good	4.765 \| good	24.726 \| good	19.48 \| good	0.369 \| good	7.029 \| good	0.277 \| good
2026-08-15T11:00:00.000Z	27 \| good	4.816 \| good	23.153 \| good	18.793 \| good	0.485 \| good	5.371 \| good	0.234 \| good
2026-08-15T12:00:00.000Z	22 \| good	4.093 \| good	12.673 \| good	20.193 \| good	0.397 \| good	6.462 \| good	0.245 \| good
2026-08-15T13:00:00.000Z	33 \| good	6.068 \| good	23.661 \| good	20.463 \| good	0.399 \| good	6.147 \| good	0.245 \| good
2026-08-15T14:00:00.000Z	33 \| good	6.111 \| good	16.607 \| good	16.912 \| good	0.304 \| good	8.519 \| good	0.328 \| good
2026-08-15T15:00:00.000Z	44 \| good	8.102 \| good	35.086 \| good	18.854 \| good	0.445 \| good	9.467 \| good	0.404 \| good
2026-08-15T16:00:00.000Z	33 \| good	6.228 \| good	15.484 \| good	17.991 \| good	0.412 \| good	9.481 \| good	0.352 \| good
2026-08-15T17:00:00.000Z	33 \| good	5.57 \| good	21.092 \| good	22.268 \| good	0.425 \| good	8.919 \| good	0.316 \| good
2026-08-15T18:00:00.000Z	33 \| good	6.409 \| good	25.452 \| good	26.167 \| good	0.39 \| good	7.044 \| good	0.369 \| good
2026-08-15T19:00:00.000Z	38 \| good	7.32 \| good	19.437 \| good	29.342 \| good	0.407 \| good	5.741 \| good	0.352 \| good
2026-08-15T20:00:00.000Z	49 \| good	8.529 \| good	25.48 \| good	33.259 \| good	0.387 \| good	5.708 \| good	0.352 \| good
2026-08-15T21:00:00.000Z	38 \| good	6.614 \| good	18.385 \| good	35.985 \| good	0.6 \| good	4.977 \| good	0.341 \| good
2026-08-15T22:00:00.000Z	44 \| good	8.164 \| good	19.975 \| good	36.088 \| good	0.534 \| good	5.248 \| good	0.341 \| good
2026-08-15T23:00:00.000Z	38 \| good	6.676 \| good	23.543 \| good	35.53 \| good	0.51 \| good	5.017 \| good	0.287 \| good
2026-08-16T00:00:00.000Z	33 \| good	5.69 \| good	23.923 \| good	33.7 \| good	0.492 \| good	6.081 \| good	0.279 \| good
2026-08-16T01:00:00.000Z	31 \| good	4.599 \| good	23.011 \| good	32.806 \| good	0.52 \| good	6.237 \| good	0.279 \| good
2026-08-16T02:00:00.000Z	38 \| good	6.878 \| good	18.259 \| good	32.143 \| good	0.62 \| good	7.037 \| good	0.332 \| good
2026-08-16T03:00:00.000Z	28 \| good	4.672 \| good	21.773 \| good	30.232 \| good	0.439 \| good	9.402 \| good	0.385 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.075 \| good	27.814 \| good	35.202 \| good	0.378 \| good	6.772 \| good	0.437 \| good
2026-08-16T05:00:00.000Z	30 \| good	5.037 \| good	19.592 \| good	32.212 \| good	0.657 \| good	8.144 \| good	0.385 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.005 \| good	23.69 \| good	26.571 \| good	0.299 \| good	7.25 \| good	0.394 \| good
2026-08-16T07:00:00.000Z	25 \| good	4.353 \| good	22.581 \| good	27.423 \| good	0.296 \| good	6.308 \| good	0.394 \| good
2026-08-16T08:00:00.000Z	27 \| good	4.615 \| good	18.925 \| good	23.272 \| good	0.296 \| good	5.491 \| good	0.528 \| good
2026-08-16T09:00:00.000Z	27 \| good	5.214 \| good	21.516 \| good	20.063 \| good	0.38 \| good	4.744 \| good	0.405 \| good
2026-08-16T10:00:00.000Z	38 \| good	6.665 \| good	25.746 \| good	18.276 \| good	0.381 \| good	4.478 \| good	0.404 \| good
2026-08-16T11:00:00.000Z	38 \| good	7.443 \| good	37.774 \| good	21.752 \| good	0.381 \| good	4.53 \| good	0.404 \| good
2026-08-16T12:00:00.000Z	33 \| good	6.107 \| good	21.735 \| good	26.969 \| good	0.303 \| good	4.402 \| good	0.298 \| good
2026-08-16T13:00:00.000Z	33 \| good	5.841 \| good	24.705 \| good	17.713 \| good	0.308 \| good	5.231 \| good	0.298 \| good
2026-08-16T14:00:00.000Z	33 \| good	6.059 \| good	31.246 \| good	17.693 \| good	0.294 \| good	7.635 \| good	0.345 \| good
2026-08-16T15:00:00.000Z	33 \| good	6.448 \| good	23.028 \| good	15.57 \| good	0.595 \| good	9.14 \| good	0.443 \| good
2026-08-16T16:00:00.000Z	38 \| good	7.181 \| good	24.109 \| good	18.993 \| good	0.566 \| good	7.882 \| good	0.422 \| good
2026-08-16T17:00:00.000Z	33 \| good	6.461 \| good	27.739 \| good	28.265 \| good	0.668 \| good	7.459 \| good	0.434 \| good
2026-08-16T18:00:00.000Z	44 \| good	7.708 \| good	22.99 \| good	30.132 \| good	0.685 \| good	5.866 \| good	0.369 \| good
2026-08-16T19:00:00.000Z	44 \| good	7.708 \| good	22.99 \| good	30.132 \| good	0.685 \| good	5.866 \| good	0.369 \| good
2026-08-16T19:00:00.000Z	56 \| moderate	11.59 \| good	51.561 \| good	39.511 \| good	0.952 \| good	3.004 \| good	0.117 \| good
2026-08-16T20:00:00.000Z	52 \| moderate	9.582 \| good	42.365 \| good	47.735 \| good	0.848 \| good	2.167 \| good	0.115 \| good
2026-08-16T21:00:00.000Z	49 \| good	9.144 \| good	40.23 \| good	50.182 \| good	0.752 \| good	1.583 \| good	0.114 \| good
2026-08-16T22:00:00.000Z	43 \| good	7.466 \| good	32.804 \| good	46.063 \| good	0.661 \| good	1.3 \| good	0.113 \| good
2026-08-16T23:00:00.000Z	38 \| good	7.446 \| good	32.67 \| good	39.001 \| good	0.625 \| good	1.259 \| good	0.113 \| good
2026-08-17T00:00:00.000Z	38 \| good	6.873 \| good	30.158 \| good	34.2 \| good	0.59 \| good	1.547 \| good	0.114 \| good
2026-08-17T01:00:00.000Z	33 \| good	6.376 \| good	28.461 \| good	31.429 \| good	0.564 \| good	2.367 \| good	0.117 \| good
2026-08-17T02:00:00.000Z	27 \| good	5.312 \| good	22.704 \| good	27.318 \| good	0.534 \| good	3.52 \| good	0.12 \| good
2026-08-17T03:00:00.000Z	33 \| good	5.637 \| good	24.363 \| good	23.609 \| good	0.515 \| good	4.616 \| good	0.122 \| good
2026-08-17T04:00:00.000Z	27 \| good	4.526 \| good	19.584 \| good	22.577 \| good	0.53 \| good	5.56 \| good	0.124 \| good
2026-08-17T05:00:00.000Z	27 \| good	4.886 \| good	21.16 \| good	22.3 \| good	0.552 \| good	6.638 \| good	0.125 \| good
2026-08-17T06:00:00.000Z	33 \| good	6.416 \| good	28.395 \| good	20.634 \| good	0.564 \| good	7.793 \| good	0.127 \| good
2026-08-17T07:00:00.000Z	33 \| good	5.655 \| good	24.771 \| good	19.257 \| good	0.562 \| good	8.729 \| good	0.13 \| good
2026-08-17T08:00:00.000Z	44 \| good	7.546 \| good	33.011 \| good	18.628 \| good	0.565 \| good	9.2 \| good	0.131 \| good
2026-08-17T09:00:00.000Z	33 \| good	6.373 \| good	28.052 \| good	18.186 \| good	0.587 \| good	9.96 \| good	0.134 \| good
2026-08-17T10:00:00.000Z	33 \| good	5.843 \| good	25.218 \| good	17.693 \| good	0.606 \| good	10.287 \| good	0.137 \| good
2026-08-17T11:00:00.000Z	33 \| good	5.728 \| good	25.01 \| good	17.977 \| good	0.613 \| good	10.293 \| good	0.14 \| good
2026-08-17T12:00:00.000Z	33 \| good	5.538 \| good	23.992 \| good	14.158 \| good	0.635 \| good	10.431 \| good	0.142 \| good
2026-08-17T13:00:00.000Z	38 \| good	6.93 \| good	30.649 \| good	11.749 \| good	0.688 \| good	11.022 \| good	0.147 \| good
2026-08-17T14:00:00.000Z	49 \| good	8.806 \| good	38.573 \| good	14.632 \| good	0.75 \| good	10.811 \| good	0.156 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.73 \| good	43.257 \| good	16.574 \| good	0.86 \| good	9.039 \| good	0.144 \| good
2026-08-17T16:00:00.000Z	49 \| good	8.837 \| good	38.87 \| good	21.072 \| good	0.919 \| good	7.611 \| good	0.134 \| good
2026-08-17T17:00:00.000Z	44 \| good	8.037 \| good	35.752 \| good	27.747 \| good	0.959 \| good	6.571 \| good	0.13 \| good
2026-08-17T18:00:00.000Z	33 \| good	5.833 \| good	25.292 \| good	33.932 \| good	0.951 \| good	5.535 \| good	0.126 \| good
2026-08-17T19:00:00.000Z	38 \| good	7.357 \| good	32.457 \| good	40.848 \| good	0.897 \| good	4.41 \| good	0.122 \| good
2026-08-17T20:00:00.000Z	43 \| good	6.721 \| good	29.87 \| good	45.535 \| good	0.813 \| good	3.237 \| good	0.116 \| good
2026-08-17T21:00:00.000Z	44 \| good	7.997 \| good	35.226 \| good	47.976 \| good	0.752 \| good	2.34 \| good	0.112 \| good
2026-08-17T22:00:00.000Z	47 \| good	8.219 \| good	35.89 \| good	50.632 \| good	0.747 \| good	1.902 \| good	0.109 \| good
2026-08-17T23:00:00.000Z	44 \| good	8.012 \| good	35.134 \| good	46.115 \| good	0.725 \| good	1.818 \| good	0.108 \| good
2026-08-18T00:00:00.000Z	38 \| good	6.992 \| good	30.726 \| good	35.571 \| good	0.697 \| good	2.096 \| good	0.108 \| good
2026-08-18T01:00:00.000Z	33 \| good	5.694 \| good	24.301 \| good	30.746 \| good	0.66 \| good	2.783 \| good	0.111 \| good
2026-08-18T02:00:00.000Z	33 \| good	6.117 \| good	27.024 \| good	27.917 \| good	0.605 \| good	3.975 \| good	0.114 \| good
2026-08-18T03:00:00.000Z	33 \| good	6.487 \| good	28.679 \| good	23.096 \| good	0.583 \| good	5.472 \| good	0.117 \| good
2026-08-18T04:00:00.000Z	38 \| good	6.6 \| good	29.474 \| good	21.768 \| good	0.593 \| good	6.732 \| good	0.12 \| good
2026-08-18T05:00:00.000Z	33 \| good	6.455 \| good	28.783 \| good	21.462 \| good	0.603 \| good	7.872 \| good	0.123 \| good
2026-08-18T06:00:00.000Z	33 \| good	6.447 \| good	28.678 \| good	17.808 \| good	0.614 \| good	9.421 \| good	0.127 \| good
2026-08-18T07:00:00.000Z	33 \| good	5.866 \| good	25.435 \| good	15.992 \| good	0.632 \| good	10.701 \| good	0.133 \| good
2026-08-18T08:00:00.000Z	38 \| good	7.132 \| good	31.737 \| good	14.949 \| good	0.614 \| good	10.565 \| good	0.137 \| good
2026-08-18T09:00:00.000Z	38 \| good	6.965 \| good	30.572 \| good	15.79 \| good	0.584 \| good	10.028 \| good	0.138 \| good
2026-08-18T10:00:00.000Z	44 \| good	7.947 \| good	34.683 \| good	15.755 \| good	0.582 \| good	9.695 \| good	0.14 \| good
2026-08-18T11:00:00.000Z	44 \| good	8.189 \| good	35.826 \| good	16.895 \| good	0.603 \| good	9.817 \| good	0.142 \| good
2026-08-18T12:00:00.000Z	33 \| good	6.355 \| good	28.186 \| good	18.537 \| good	0.634 \| good	10.157 \| good	0.147 \| good
2026-08-18T13:00:00.000Z	38 \| good	6.983 \| good	30.674 \| good	17.513 \| good	0.645 \| good	10.402 \| good	0.151 \| good
2026-08-18T14:00:00.000Z	44 \| good	8.048 \| good	35.267 \| good	18.666 \| good	0.64 \| good	9.599 \| good	0.158 \| good
2026-08-18T15:00:00.000Z	49 \| good	8.691 \| good	38.261 \| good	21.353 \| good	0.68 \| good	8.301 \| good	0.155 \| good
2026-08-18T16:00:00.000Z	49 \| good	8.887 \| good	38.917 \| good	24.878 \| good	0.724 \| good	6.626 \| good	0.14 \| good
2026-08-18T17:00:00.000Z	49 \| good	9.179 \| good	40.246 \| good	31.382 \| good	0.764 \| good	5.962 \| good	0.137 \| good
2026-08-18T18:00:00.000Z	49 \| good	9.491 \| good	42.162 \| good	38.102 \| good	0.784 \| good	5.296 \| good	0.135 \| good

Fountain Valley

Get reliable air quality data to drive your business

Fountain Valley, California air quality map: Stay updated on AQI near you

0.41ppm

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 Fountain Valley, California?

The air quality information for Fountain Valley, California is updated every hour for accuracy.

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

In the past 24 hours, the air quality in Fountain Valley, California was at its worst at 08:00:00 on 2026-08-15.

When did Fountain Valley, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Fountain Valley, California was observed at 07:00:00 on 2026-08-16.

What is the AQI in Fountain Valley, California right now?

As of now, the AQI in Fountain Valley, California is 44, indicating Good conditions.

What is the most common type of pollution in Fountain Valley, California?

Fountain Valley, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Fountain Valley, California?

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

What is the PM_2.5 level in Fountain Valley, California at the moment?

PM_2.5 levels in Fountain Valley, California are currently 7.708 μg/m³.

What is the PM₁₀ level in Fountain Valley, California at the moment?

The PM₁₀ concentration in Fountain Valley, California is 22.99 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Fountain Valley, California at the moment?

The current carbon monoxide (CO) concentration in Fountain Valley, California is 0.369 ppm.

What is the sulfur dioxide (SO₂) level in Fountain Valley, California at the moment?

Currently, Fountain Valley, California has a sulfur dioxide (SO₂) concentration of 0.685 ppb.

What is the ozone (O₃) level in Fountain Valley, California at the moment?

The current ozone (O₃) level in Fountain Valley, California at the moment is 30.132 ppm.

What is the nitrogen dioxide (NO₂) level in Fountain Valley, California at the moment?

Nitrogen dioxide (NO₂) level in Fountain Valley, California at the moment is 5.866 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-14T20:00:00.000Z	27 \| good	4.303 \| good	20.377 \| good	29.205 \| good	0.39 \| good	8.876 \| good	0.334 \| good
2026-08-14T21:00:00.000Z	27 \| good	5.141 \| good	18.547 \| good	29.407 \| good	0.411 \| good	7.206 \| good	0.281 \| good
2026-08-14T22:00:00.000Z	28 \| good	3.73 \| good	13.084 \| good	29.811 \| good	0.428 \| good	7.101 \| good	0.278 \| good
2026-08-14T23:00:00.000Z	27 \| good	3.688 \| good	11.03 \| good	29.026 \| good	0.364 \| good	7.799 \| good	0.269 \| good
2026-08-15T00:00:00.000Z	27 \| good	4.483 \| good	19.08 \| good	29.286 \| good	0.427 \| good	8.122 \| good	0.322 \| good
2026-08-15T01:00:00.000Z	26 \| good	4.041 \| good	14.74 \| good	28.339 \| good	0.43 \| good	8.58 \| good	0.322 \| good
2026-08-15T02:00:00.000Z	26 \| good	3.747 \| good	18.191 \| good	28.229 \| good	0.38 \| good	7.093 \| good	0.322 \| good
2026-08-15T03:00:00.000Z	24 \| good	2.997 \| good	11.839 \| good	25.617 \| good	0.328 \| good	7.999 \| good	0.332 \| good
2026-08-15T04:00:00.000Z	25 \| good	2.915 \| good	9.729 \| good	26.98 \| good	0.317 \| good	7.397 \| good	0.385 \| good
2026-08-15T05:00:00.000Z	23 \| good	3.675 \| good	14.752 \| good	24.97 \| good	0.53 \| good	7.073 \| good	0.332 \| good
2026-08-15T06:00:00.000Z	20 \| good	3.342 \| good	12.879 \| good	22.104 \| good	0.32 \| good	7.752 \| good	0.438 \| good
2026-08-15T07:00:00.000Z	23 \| good	4.002 \| good	10.202 \| good	24.655 \| good	0.305 \| good	7.732 \| good	0.438 \| good
2026-08-15T08:00:00.000Z	19 \| good	3.472 \| good	19.159 \| good	20.014 \| good	0.295 \| good	8.558 \| good	0.393 \| good
2026-08-15T09:00:00.000Z	27 \| good	5.378 \| good	20.27 \| good	17.994 \| good	0.374 \| good	5.541 \| good	0.278 \| good
2026-08-15T10:00:00.000Z	27 \| good	4.765 \| good	24.726 \| good	19.48 \| good	0.369 \| good	7.029 \| good	0.277 \| good
2026-08-15T11:00:00.000Z	27 \| good	4.816 \| good	23.153 \| good	18.793 \| good	0.485 \| good	5.371 \| good	0.234 \| good
2026-08-15T12:00:00.000Z	22 \| good	4.093 \| good	12.673 \| good	20.193 \| good	0.397 \| good	6.462 \| good	0.245 \| good
2026-08-15T13:00:00.000Z	33 \| good	6.068 \| good	23.661 \| good	20.463 \| good	0.399 \| good	6.147 \| good	0.245 \| good
2026-08-15T14:00:00.000Z	33 \| good	6.111 \| good	16.607 \| good	16.912 \| good	0.304 \| good	8.519 \| good	0.328 \| good
2026-08-15T15:00:00.000Z	44 \| good	8.102 \| good	35.086 \| good	18.854 \| good	0.445 \| good	9.467 \| good	0.404 \| good
2026-08-15T16:00:00.000Z	33 \| good	6.228 \| good	15.484 \| good	17.991 \| good	0.412 \| good	9.481 \| good	0.352 \| good
2026-08-15T17:00:00.000Z	33 \| good	5.57 \| good	21.092 \| good	22.268 \| good	0.425 \| good	8.919 \| good	0.316 \| good
2026-08-15T18:00:00.000Z	33 \| good	6.409 \| good	25.452 \| good	26.167 \| good	0.39 \| good	7.044 \| good	0.369 \| good
2026-08-15T19:00:00.000Z	38 \| good	7.32 \| good	19.437 \| good	29.342 \| good	0.407 \| good	5.741 \| good	0.352 \| good
2026-08-15T20:00:00.000Z	49 \| good	8.529 \| good	25.48 \| good	33.259 \| good	0.387 \| good	5.708 \| good	0.352 \| good
2026-08-15T21:00:00.000Z	38 \| good	6.614 \| good	18.385 \| good	35.985 \| good	0.6 \| good	4.977 \| good	0.341 \| good
2026-08-15T22:00:00.000Z	44 \| good	8.164 \| good	19.975 \| good	36.088 \| good	0.534 \| good	5.248 \| good	0.341 \| good
2026-08-15T23:00:00.000Z	38 \| good	6.676 \| good	23.543 \| good	35.53 \| good	0.51 \| good	5.017 \| good	0.287 \| good
2026-08-16T00:00:00.000Z	33 \| good	5.69 \| good	23.923 \| good	33.7 \| good	0.492 \| good	6.081 \| good	0.279 \| good
2026-08-16T01:00:00.000Z	31 \| good	4.599 \| good	23.011 \| good	32.806 \| good	0.52 \| good	6.237 \| good	0.279 \| good
2026-08-16T02:00:00.000Z	38 \| good	6.878 \| good	18.259 \| good	32.143 \| good	0.62 \| good	7.037 \| good	0.332 \| good
2026-08-16T03:00:00.000Z	28 \| good	4.672 \| good	21.773 \| good	30.232 \| good	0.439 \| good	9.402 \| good	0.385 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.075 \| good	27.814 \| good	35.202 \| good	0.378 \| good	6.772 \| good	0.437 \| good
2026-08-16T05:00:00.000Z	30 \| good	5.037 \| good	19.592 \| good	32.212 \| good	0.657 \| good	8.144 \| good	0.385 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.005 \| good	23.69 \| good	26.571 \| good	0.299 \| good	7.25 \| good	0.394 \| good
2026-08-16T07:00:00.000Z	25 \| good	4.353 \| good	22.581 \| good	27.423 \| good	0.296 \| good	6.308 \| good	0.394 \| good
2026-08-16T08:00:00.000Z	27 \| good	4.615 \| good	18.925 \| good	23.272 \| good	0.296 \| good	5.491 \| good	0.528 \| good
2026-08-16T09:00:00.000Z	27 \| good	5.214 \| good	21.516 \| good	20.063 \| good	0.38 \| good	4.744 \| good	0.405 \| good
2026-08-16T10:00:00.000Z	38 \| good	6.665 \| good	25.746 \| good	18.276 \| good	0.381 \| good	4.478 \| good	0.404 \| good
2026-08-16T11:00:00.000Z	38 \| good	7.443 \| good	37.774 \| good	21.752 \| good	0.381 \| good	4.53 \| good	0.404 \| good
2026-08-16T12:00:00.000Z	33 \| good	6.107 \| good	21.735 \| good	26.969 \| good	0.303 \| good	4.402 \| good	0.298 \| good
2026-08-16T13:00:00.000Z	33 \| good	5.841 \| good	24.705 \| good	17.713 \| good	0.308 \| good	5.231 \| good	0.298 \| good
2026-08-16T14:00:00.000Z	33 \| good	6.059 \| good	31.246 \| good	17.693 \| good	0.294 \| good	7.635 \| good	0.345 \| good
2026-08-16T15:00:00.000Z	33 \| good	6.448 \| good	23.028 \| good	15.57 \| good	0.595 \| good	9.14 \| good	0.443 \| good
2026-08-16T16:00:00.000Z	38 \| good	7.181 \| good	24.109 \| good	18.993 \| good	0.566 \| good	7.882 \| good	0.422 \| good
2026-08-16T17:00:00.000Z	33 \| good	6.461 \| good	27.739 \| good	28.265 \| good	0.668 \| good	7.459 \| good	0.434 \| good
2026-08-16T18:00:00.000Z	44 \| good	7.708 \| good	22.99 \| good	30.132 \| good	0.685 \| good	5.866 \| good	0.369 \| good
2026-08-16T19:00:00.000Z	44 \| good	7.708 \| good	22.99 \| good	30.132 \| good	0.685 \| good	5.866 \| good	0.369 \| good
2026-08-16T19:00:00.000Z	56 \| moderate	11.59 \| good	51.561 \| good	39.511 \| good	0.952 \| good	3.004 \| good	0.117 \| good
2026-08-16T20:00:00.000Z	52 \| moderate	9.582 \| good	42.365 \| good	47.735 \| good	0.848 \| good	2.167 \| good	0.115 \| good
2026-08-16T21:00:00.000Z	49 \| good	9.144 \| good	40.23 \| good	50.182 \| good	0.752 \| good	1.583 \| good	0.114 \| good
2026-08-16T22:00:00.000Z	43 \| good	7.466 \| good	32.804 \| good	46.063 \| good	0.661 \| good	1.3 \| good	0.113 \| good
2026-08-16T23:00:00.000Z	38 \| good	7.446 \| good	32.67 \| good	39.001 \| good	0.625 \| good	1.259 \| good	0.113 \| good
2026-08-17T00:00:00.000Z	38 \| good	6.873 \| good	30.158 \| good	34.2 \| good	0.59 \| good	1.547 \| good	0.114 \| good
2026-08-17T01:00:00.000Z	33 \| good	6.376 \| good	28.461 \| good	31.429 \| good	0.564 \| good	2.367 \| good	0.117 \| good
2026-08-17T02:00:00.000Z	27 \| good	5.312 \| good	22.704 \| good	27.318 \| good	0.534 \| good	3.52 \| good	0.12 \| good
2026-08-17T03:00:00.000Z	33 \| good	5.637 \| good	24.363 \| good	23.609 \| good	0.515 \| good	4.616 \| good	0.122 \| good
2026-08-17T04:00:00.000Z	27 \| good	4.526 \| good	19.584 \| good	22.577 \| good	0.53 \| good	5.56 \| good	0.124 \| good
2026-08-17T05:00:00.000Z	27 \| good	4.886 \| good	21.16 \| good	22.3 \| good	0.552 \| good	6.638 \| good	0.125 \| good
2026-08-17T06:00:00.000Z	33 \| good	6.416 \| good	28.395 \| good	20.634 \| good	0.564 \| good	7.793 \| good	0.127 \| good
2026-08-17T07:00:00.000Z	33 \| good	5.655 \| good	24.771 \| good	19.257 \| good	0.562 \| good	8.729 \| good	0.13 \| good
2026-08-17T08:00:00.000Z	44 \| good	7.546 \| good	33.011 \| good	18.628 \| good	0.565 \| good	9.2 \| good	0.131 \| good
2026-08-17T09:00:00.000Z	33 \| good	6.373 \| good	28.052 \| good	18.186 \| good	0.587 \| good	9.96 \| good	0.134 \| good
2026-08-17T10:00:00.000Z	33 \| good	5.843 \| good	25.218 \| good	17.693 \| good	0.606 \| good	10.287 \| good	0.137 \| good
2026-08-17T11:00:00.000Z	33 \| good	5.728 \| good	25.01 \| good	17.977 \| good	0.613 \| good	10.293 \| good	0.14 \| good
2026-08-17T12:00:00.000Z	33 \| good	5.538 \| good	23.992 \| good	14.158 \| good	0.635 \| good	10.431 \| good	0.142 \| good
2026-08-17T13:00:00.000Z	38 \| good	6.93 \| good	30.649 \| good	11.749 \| good	0.688 \| good	11.022 \| good	0.147 \| good
2026-08-17T14:00:00.000Z	49 \| good	8.806 \| good	38.573 \| good	14.632 \| good	0.75 \| good	10.811 \| good	0.156 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.73 \| good	43.257 \| good	16.574 \| good	0.86 \| good	9.039 \| good	0.144 \| good
2026-08-17T16:00:00.000Z	49 \| good	8.837 \| good	38.87 \| good	21.072 \| good	0.919 \| good	7.611 \| good	0.134 \| good
2026-08-17T17:00:00.000Z	44 \| good	8.037 \| good	35.752 \| good	27.747 \| good	0.959 \| good	6.571 \| good	0.13 \| good
2026-08-17T18:00:00.000Z	33 \| good	5.833 \| good	25.292 \| good	33.932 \| good	0.951 \| good	5.535 \| good	0.126 \| good
2026-08-17T19:00:00.000Z	38 \| good	7.357 \| good	32.457 \| good	40.848 \| good	0.897 \| good	4.41 \| good	0.122 \| good
2026-08-17T20:00:00.000Z	43 \| good	6.721 \| good	29.87 \| good	45.535 \| good	0.813 \| good	3.237 \| good	0.116 \| good
2026-08-17T21:00:00.000Z	44 \| good	7.997 \| good	35.226 \| good	47.976 \| good	0.752 \| good	2.34 \| good	0.112 \| good
2026-08-17T22:00:00.000Z	47 \| good	8.219 \| good	35.89 \| good	50.632 \| good	0.747 \| good	1.902 \| good	0.109 \| good
2026-08-17T23:00:00.000Z	44 \| good	8.012 \| good	35.134 \| good	46.115 \| good	0.725 \| good	1.818 \| good	0.108 \| good
2026-08-18T00:00:00.000Z	38 \| good	6.992 \| good	30.726 \| good	35.571 \| good	0.697 \| good	2.096 \| good	0.108 \| good
2026-08-18T01:00:00.000Z	33 \| good	5.694 \| good	24.301 \| good	30.746 \| good	0.66 \| good	2.783 \| good	0.111 \| good
2026-08-18T02:00:00.000Z	33 \| good	6.117 \| good	27.024 \| good	27.917 \| good	0.605 \| good	3.975 \| good	0.114 \| good
2026-08-18T03:00:00.000Z	33 \| good	6.487 \| good	28.679 \| good	23.096 \| good	0.583 \| good	5.472 \| good	0.117 \| good
2026-08-18T04:00:00.000Z	38 \| good	6.6 \| good	29.474 \| good	21.768 \| good	0.593 \| good	6.732 \| good	0.12 \| good
2026-08-18T05:00:00.000Z	33 \| good	6.455 \| good	28.783 \| good	21.462 \| good	0.603 \| good	7.872 \| good	0.123 \| good
2026-08-18T06:00:00.000Z	33 \| good	6.447 \| good	28.678 \| good	17.808 \| good	0.614 \| good	9.421 \| good	0.127 \| good
2026-08-18T07:00:00.000Z	33 \| good	5.866 \| good	25.435 \| good	15.992 \| good	0.632 \| good	10.701 \| good	0.133 \| good
2026-08-18T08:00:00.000Z	38 \| good	7.132 \| good	31.737 \| good	14.949 \| good	0.614 \| good	10.565 \| good	0.137 \| good
2026-08-18T09:00:00.000Z	38 \| good	6.965 \| good	30.572 \| good	15.79 \| good	0.584 \| good	10.028 \| good	0.138 \| good
2026-08-18T10:00:00.000Z	44 \| good	7.947 \| good	34.683 \| good	15.755 \| good	0.582 \| good	9.695 \| good	0.14 \| good
2026-08-18T11:00:00.000Z	44 \| good	8.189 \| good	35.826 \| good	16.895 \| good	0.603 \| good	9.817 \| good	0.142 \| good
2026-08-18T12:00:00.000Z	33 \| good	6.355 \| good	28.186 \| good	18.537 \| good	0.634 \| good	10.157 \| good	0.147 \| good
2026-08-18T13:00:00.000Z	38 \| good	6.983 \| good	30.674 \| good	17.513 \| good	0.645 \| good	10.402 \| good	0.151 \| good
2026-08-18T14:00:00.000Z	44 \| good	8.048 \| good	35.267 \| good	18.666 \| good	0.64 \| good	9.599 \| good	0.158 \| good
2026-08-18T15:00:00.000Z	49 \| good	8.691 \| good	38.261 \| good	21.353 \| good	0.68 \| good	8.301 \| good	0.155 \| good
2026-08-18T16:00:00.000Z	49 \| good	8.887 \| good	38.917 \| good	24.878 \| good	0.724 \| good	6.626 \| good	0.14 \| good
2026-08-18T17:00:00.000Z	49 \| good	9.179 \| good	40.246 \| good	31.382 \| good	0.764 \| good	5.962 \| good	0.137 \| good
2026-08-18T18:00:00.000Z	49 \| good	9.491 \| good	42.162 \| good	38.102 \| good	0.784 \| good	5.296 \| good	0.135 \| good

Live air quality index in Fountain Valley, California today

Major air pollutants in Fountain Valley, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Westminster, California

Costa Mesa, California

Huntington Beach, California

Garden Grove, California

Santa Ana, California

Stanton, California

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Frequently asked questions

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What is the nitrogen dioxide (NO2) level in Fountain Valley, California at the moment?

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 Fountain Valley, California at the moment?

What is the PM₁₀ level in Fountain Valley, California at the moment?

What is the sulfur dioxide (SO₂) level in Fountain Valley, California at the moment?

What is the ozone (O₃) level in Fountain Valley, California at the moment?

What is the nitrogen dioxide (NO₂) level in Fountain Valley, California at the moment?