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 0.423 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 17.585 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 5.169 ppb.

Live air quality index in Fountain Valley, California today

Name: Live air pollution levels in Fountain Valley, California today
Creator: Ambee

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)

6.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.33 μg/m³

155

255

425

605+

Ozone (O₃)

30.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 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
2025-07-25T20:00:00.000Z	27 \| good	5.387 \| good	20.641 \| good	29.168 \| good	0.297 \| good	3.533 \| good	0.238 \| good
2025-07-25T21:00:00.000Z	33 \| good	4.46 \| good	18.696 \| good	36.31 \| good	0.265 \| good	7.907 \| good	0.238 \| good
2025-07-25T22:00:00.000Z	35 \| good	4.193 \| good	24.176 \| good	38.386 \| good	0.27 \| good	9.097 \| good	0.211 \| good
2025-07-25T23:00:00.000Z	30 \| good	3.839 \| good	19.929 \| good	31.697 \| good	0.272 \| good	9.48 \| good	0.239 \| good
2025-07-26T00:00:00.000Z	29 \| good	3.529 \| good	16.339 \| good	30.724 \| good	0.401 \| good	8.595 \| good	0.239 \| good
2025-07-26T01:00:00.000Z	26 \| good	3.677 \| good	12.552 \| good	27.952 \| good	0.485 \| good	8.553 \| good	0.251 \| good
2025-07-26T02:00:00.000Z	26 \| good	3.378 \| good	16.548 \| good	27.741 \| good	0.47 \| good	6.493 \| good	0.231 \| good
2025-07-26T03:00:00.000Z	27 \| good	3.249 \| good	14.658 \| good	29.042 \| good	0.604 \| good	7.212 \| good	0.183 \| good
2025-07-26T04:00:00.000Z	27 \| good	3.435 \| good	14.35 \| good	28.897 \| good	0.439 \| good	5.737 \| good	0.267 \| good
2025-07-26T05:00:00.000Z	26 \| good	2.755 \| good	15.964 \| good	28.07 \| good	0.348 \| good	4.973 \| good	0.267 \| good
2025-07-26T06:00:00.000Z	26 \| good	4.039 \| good	12.014 \| good	27.981 \| good	0.332 \| good	4.994 \| good	0.293 \| good
2025-07-26T07:00:00.000Z	27 \| good	5.255 \| good	19.884 \| good	22.038 \| good	0.311 \| good	5.702 \| good	0.313 \| good
2025-07-26T08:00:00.000Z	27 \| good	5.002 \| good	13.418 \| good	18.862 \| good	0.206 \| good	7.494 \| good	0.254 \| good
2025-07-26T09:00:00.000Z	27 \| good	4.777 \| good	13.896 \| good	18.529 \| good	0.235 \| good	7.201 \| good	0.218 \| good
2025-07-26T10:00:00.000Z	19 \| good	3.454 \| good	10.46 \| good	19.575 \| good	0.309 \| good	8.593 \| good	0.199 \| good
2025-07-26T11:00:00.000Z	38 \| good	6.668 \| good	9.948 \| good	19.933 \| good	0.227 \| good	5.698 \| good	0.211 \| good
2025-07-26T12:00:00.000Z	24 \| good	3.88 \| good	19.311 \| good	25.782 \| good	0.182 \| good	4.999 \| good	0.211 \| good
2025-07-26T13:00:00.000Z	22 \| good	3.576 \| good	14.522 \| good	21.357 \| good	0.185 \| good	6.321 \| good	0.211 \| good
2025-07-26T14:00:00.000Z	18 \| good	3.255 \| good	19.029 \| good	16.219 \| good	0.267 \| good	6.726 \| good	0.291 \| good
2025-07-26T15:00:00.000Z	23 \| good	2.86 \| good	10.491 \| good	24.747 \| good	0.202 \| good	6.459 \| good	0.279 \| good
2025-07-26T16:00:00.000Z	23 \| good	3.442 \| good	25.191 \| good	20.739 \| good	0.187 \| good	6.275 \| good	0.254 \| good
2025-07-26T17:00:00.000Z	23 \| good	3.198 \| good	21.322 \| good	25.404 \| good	0.245 \| good	7.47 \| good	0.254 \| good
2025-07-26T18:00:00.000Z	26 \| good	3.05 \| good	19.381 \| good	27.92 \| good	0.207 \| good	8.268 \| good	0.212 \| good
2025-07-26T19:00:00.000Z	27 \| good	3.171 \| good	15.324 \| good	28.94 \| good	0.244 \| good	7.154 \| good	0.239 \| good
2025-07-26T20:00:00.000Z	30 \| good	3.729 \| good	26.103 \| good	31.956 \| good	0.26 \| good	6.037 \| good	0.219 \| good
2025-07-26T21:00:00.000Z	31 \| good	5.283 \| good	23.598 \| good	34.199 \| good	0.318 \| good	6.727 \| good	0.182 \| good
2025-07-26T22:00:00.000Z	38 \| good	7.161 \| good	21.108 \| good	36.251 \| good	0.29 \| good	7.045 \| good	0.194 \| good
2025-07-26T23:00:00.000Z	34 \| good	3.289 \| good	14.369 \| good	36.568 \| good	0.312 \| good	6.644 \| good	0.194 \| good
2025-07-27T00:00:00.000Z	31 \| good	3.413 \| good	18.275 \| good	34.447 \| good	0.519 \| good	8.008 \| good	0.231 \| good
2025-07-27T01:00:00.000Z	29 \| good	2.857 \| good	16.116 \| good	31.497 \| good	0.579 \| good	7.877 \| good	0.267 \| good
2025-07-27T02:00:00.000Z	30 \| good	4.14 \| good	19.925 \| good	32.11 \| good	0.588 \| good	7.342 \| good	0.231 \| good
2025-07-27T03:00:00.000Z	30 \| good	4.225 \| good	21.212 \| good	32.421 \| good	0.521 \| good	6.507 \| good	0.291 \| good
2025-07-27T04:00:00.000Z	36 \| good	6.101 \| good	21.299 \| good	39.213 \| good	0.417 \| good	5.344 \| good	0.218 \| good
2025-07-27T05:00:00.000Z	30 \| good	5.181 \| good	23.067 \| good	31.983 \| good	0.391 \| good	3.996 \| good	0.28 \| good
2025-07-27T06:00:00.000Z	27 \| good	5.166 \| good	15.411 \| good	29.355 \| good	0.272 \| good	4.757 \| good	0.315 \| good
2025-07-27T07:00:00.000Z	33 \| good	5.656 \| good	17.7 \| good	26.986 \| good	0.274 \| good	6.621 \| good	0.389 \| good
2025-07-27T08:00:00.000Z	27 \| good	5.048 \| good	23.021 \| good	24.884 \| good	0.234 \| good	6.562 \| good	0.398 \| good
2025-07-27T09:00:00.000Z	33 \| good	6.185 \| good	18.111 \| good	20.199 \| good	0.285 \| good	6.897 \| good	0.279 \| good
2025-07-27T10:00:00.000Z	29 \| good	5.415 \| good	30.528 \| good	19.826 \| good	0.286 \| good	7.622 \| good	0.279 \| good
2025-07-27T11:00:00.000Z	22 \| good	4.24 \| good	16.301 \| good	21.532 \| good	0.282 \| good	7.03 \| good	0.278 \| good
2025-07-27T12:00:00.000Z	22 \| good	4.092 \| good	10.764 \| good	17.932 \| good	0.211 \| good	8.191 \| good	0.147 \| good
2025-07-27T13:00:00.000Z	28 \| good	4.425 \| good	29.504 \| good	22.429 \| good	0.172 \| good	7.886 \| good	0.208 \| good
2025-07-27T14:00:00.000Z	27 \| good	5.112 \| good	12.724 \| good	19.341 \| good	0.171 \| good	7.085 \| good	0.218 \| good
2025-07-27T15:00:00.000Z	22 \| good	3.823 \| good	13.201 \| good	20.112 \| good	0.433 \| good	6.215 \| good	0.242 \| good
2025-07-27T16:00:00.000Z	27 \| good	4.688 \| good	21.001 \| good	20.49 \| good	0.378 \| good	6.357 \| good	0.171 \| good
2025-07-27T17:00:00.000Z	23 \| good	4.052 \| good	16.574 \| good	24.877 \| good	0.392 \| good	6.09 \| good	0.218 \| good
2025-07-27T18:00:00.000Z	33 \| good	6.069 \| good	22.334 \| good	30.871 \| good	0.413 \| good	6.999 \| good	0.254 \| good
2025-07-27T19:00:00.000Z	33 \| good	5.644 \| good	25.556 \| good	34.498 \| good	0.371 \| good	5.195 \| good	0.218 \| good
2025-07-27T19:00:00.000Z	33 \| good	6.069 \| good	22.334 \| good	30.871 \| good	0.413 \| good	6.999 \| good	0.254 \| good
2025-07-25T08:00:00.000Z	17 \| good	2.096 \| good	8.122 \| good	17.849 \| good	2.313 \| good	10.878 \| good	0.144 \| good
2025-07-25T09:00:00.000Z	17 \| good	2.146 \| good	9.055 \| good	17.594 \| good	2.503 \| good	11.541 \| good	0.148 \| good
2025-07-25T10:00:00.000Z	16 \| good	1.4 \| good	5.145 \| good	16.611 \| good	2.474 \| good	11.005 \| good	0.146 \| good
2025-07-25T11:00:00.000Z	13 \| good	2.354 \| good	10.074 \| good	14.054 \| good	2.444 \| good	10.468 \| good	0.145 \| good
2025-07-25T12:00:00.000Z	22 \| good	4.414 \| good	19.161 \| good	11.682 \| good	2.415 \| good	9.931 \| good	0.143 \| good
2025-07-25T13:00:00.000Z	33 \| good	6.326 \| good	28.227 \| good	12.881 \| good	2.538 \| good	8.775 \| good	0.143 \| good
2025-07-25T14:00:00.000Z	27 \| good	5.113 \| good	22.171 \| good	17.051 \| good	2.661 \| good	7.618 \| good	0.142 \| good
2025-07-25T15:00:00.000Z	22 \| good	3.84 \| good	17.079 \| good	18.9 \| good	2.784 \| good	6.462 \| good	0.141 \| good
2025-07-25T16:00:00.000Z	22 \| good	3.751 \| good	16.147 \| good	21.182 \| good	2.586 \| good	5.752 \| good	0.139 \| good
2025-07-25T17:00:00.000Z	22 \| good	2.819 \| good	11.277 \| good	24.24 \| good	2.388 \| good	5.042 \| good	0.137 \| good
2025-07-25T18:00:00.000Z	26 \| good	1.949 \| good	8.068 \| good	28.041 \| good	2.19 \| good	4.332 \| good	0.135 \| good
2025-07-25T19:00:00.000Z	29 \| good	1.369 \| good	5.115 \| good	30.902 \| good	1.957 \| good	3.661 \| good	0.131 \| good
2025-07-25T20:00:00.000Z	32 \| good	3.172 \| good	13.945 \| good	35.434 \| good	1.724 \| good	2.989 \| good	0.127 \| good
2025-07-25T21:00:00.000Z	36 \| good	3.375 \| good	14.987 \| good	38.776 \| good	1.491 \| good	2.318 \| good	0.123 \| good
2025-07-25T22:00:00.000Z	34 \| good	3.32 \| good	14.119 \| good	37.497 \| good	1.437 \| good	2.318 \| good	0.123 \| good
2025-07-25T23:00:00.000Z	31 \| good	2.12 \| good	9.005 \| good	34.043 \| good	1.382 \| good	2.318 \| good	0.123 \| good
2025-07-26T00:00:00.000Z	23 \| good	0.586 \| good	2.031 \| good	25.342 \| good	1.328 \| good	2.317 \| good	0.123 \| good
2025-07-26T01:00:00.000Z	20 \| good	0.375 \| good	1.044 \| good	22.389 \| good	1.418 \| good	3.451 \| good	0.125 \| good
2025-07-26T02:00:00.000Z	21 \| good	0.33 \| good	1.043 \| good	22.623 \| good	1.507 \| good	4.585 \| good	0.127 \| good
2025-07-26T03:00:00.000Z	20 \| good	0.831 \| good	3.014 \| good	22.298 \| good	1.597 \| good	5.719 \| good	0.129 \| good
2025-07-26T04:00:00.000Z	19 \| good	1.339 \| good	5.05 \| good	20.861 \| good	1.726 \| good	6.502 \| good	0.13 \| good
2025-07-26T05:00:00.000Z	19 \| good	0.42 \| good	1.961 \| good	21.096 \| good	1.856 \| good	7.286 \| good	0.131 \| good
2025-07-26T06:00:00.000Z	19 \| good	0.455 \| good	1.998 \| good	20.4 \| good	1.986 \| good	8.069 \| good	0.132 \| good
2025-07-26T07:00:00.000Z	19 \| good	0.866 \| good	3.102 \| good	21.129 \| good	2.02 \| good	8.365 \| good	0.132 \| good
2025-07-26T08:00:00.000Z	21 \| good	0.499 \| good	1.998 \| good	22.587 \| good	2.054 \| good	8.661 \| good	0.132 \| good
2025-07-26T09:00:00.000Z	21 \| good	1.917 \| good	8.084 \| good	22.626 \| good	2.088 \| good	8.957 \| good	0.133 \| good
2025-07-26T10:00:00.000Z	20 \| good	1.715 \| good	7.077 \| good	22.194 \| good	2.147 \| good	9.254 \| good	0.132 \| good
2025-07-26T11:00:00.000Z	21 \| good	1.931 \| good	8.07 \| good	22.997 \| good	2.207 \| good	9.551 \| good	0.132 \| good
2025-07-26T12:00:00.000Z	20 \| good	2.854 \| good	12.163 \| good	22.459 \| good	2.266 \| good	9.848 \| good	0.131 \| good
2025-07-26T13:00:00.000Z	19 \| good	3.053 \| good	12.282 \| good	20.604 \| good	2.41 \| good	8.925 \| good	0.133 \| good
2025-07-26T14:00:00.000Z	18 \| good	3.054 \| good	12.158 \| good	18.769 \| good	2.554 \| good	8.003 \| good	0.134 \| good
2025-07-26T15:00:00.000Z	18 \| good	2.251 \| good	9.079 \| good	18.84 \| good	2.698 \| good	7.081 \| good	0.136 \| good
2025-07-26T16:00:00.000Z	19 \| good	2.075 \| good	8.113 \| good	20.762 \| good	2.379 \| good	5.902 \| good	0.131 \| good
2025-07-26T17:00:00.000Z	22 \| good	1.038 \| good	4.061 \| good	24.286 \| good	2.061 \| good	4.724 \| good	0.125 \| good
2025-07-26T18:00:00.000Z	28 \| good	2.874 \| good	12.119 \| good	29.584 \| good	1.743 \| good	3.546 \| good	0.12 \| good
2025-07-26T19:00:00.000Z	31 \| good	1.967 \| good	8.093 \| good	34.118 \| good	1.628 \| good	3.138 \| good	0.118 \| good
2025-07-26T20:00:00.000Z	31 \| good	4.065 \| good	18.088 \| good	34.224 \| good	1.514 \| good	2.731 \| good	0.116 \| good
2025-07-26T21:00:00.000Z	33 \| good	3.592 \| good	16.032 \| good	35.966 \| good	1.4 \| good	2.323 \| good	0.114 \| good
2025-07-26T22:00:00.000Z	32 \| good	4.026 \| good	17.175 \| good	35.492 \| good	1.434 \| good	2.399 \| good	0.115 \| good
2025-07-26T23:00:00.000Z	31 \| good	1.669 \| good	7.012 \| good	33.828 \| good	1.468 \| good	2.475 \| good	0.115 \| good
2025-07-27T00:00:00.000Z	27 \| good	0.87 \| good	3.096 \| good	28.919 \| good	1.503 \| good	2.551 \| good	0.115 \| good
2025-07-27T01:00:00.000Z	26 \| good	0.658 \| good	2.145 \| good	27.871 \| good	1.533 \| good	3.619 \| good	0.116 \| good
2025-07-27T02:00:00.000Z	27 \| good	0.679 \| good	2.142 \| good	28.982 \| good	1.563 \| good	4.687 \| good	0.117 \| good
2025-07-27T03:00:00.000Z	26 \| good	2.304 \| good	9.072 \| good	28.236 \| good	1.593 \| good	5.754 \| good	0.119 \| good
2025-07-27T04:00:00.000Z	26 \| good	2.664 \| good	11.123 \| good	28.419 \| good	1.773 \| good	6.872 \| good	0.119 \| good
2025-07-27T05:00:00.000Z	26 \| good	1.791 \| good	7.118 \| good	28.361 \| good	1.953 \| good	7.99 \| good	0.12 \| good
2025-07-27T06:00:00.000Z	49 \| good	9.077 \| good	11.367 \| good	23.983 \| good	2.159 \| good	9.194 \| good	0.122 \| good
2025-07-27T07:00:00.000Z	25 \| good	2.103 \| good	8.144 \| good	27.045 \| good	2.217 \| good	9.83 \| good	0.123 \| good

Fountain Valley

Get reliable air quality data to drive your business

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

0.29ppm

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 06:00:00 on 2025-07-24.

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 06:00:00 on 2025-07-25.

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

As of now, the AQI in Fountain Valley, California is 17, indicating Good conditions.

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

Fountain Valley, California air has the highest levels of O3.

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 3.347 μg/m³.

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

The PM₁₀ concentration in Fountain Valley, California is 7.916 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 0.278 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 0.423 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 17.585 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 5.169 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-25T20:00:00.000Z	27 \| good	5.387 \| good	20.641 \| good	29.168 \| good	0.297 \| good	3.533 \| good	0.238 \| good
2025-07-25T21:00:00.000Z	33 \| good	4.46 \| good	18.696 \| good	36.31 \| good	0.265 \| good	7.907 \| good	0.238 \| good
2025-07-25T22:00:00.000Z	35 \| good	4.193 \| good	24.176 \| good	38.386 \| good	0.27 \| good	9.097 \| good	0.211 \| good
2025-07-25T23:00:00.000Z	30 \| good	3.839 \| good	19.929 \| good	31.697 \| good	0.272 \| good	9.48 \| good	0.239 \| good
2025-07-26T00:00:00.000Z	29 \| good	3.529 \| good	16.339 \| good	30.724 \| good	0.401 \| good	8.595 \| good	0.239 \| good
2025-07-26T01:00:00.000Z	26 \| good	3.677 \| good	12.552 \| good	27.952 \| good	0.485 \| good	8.553 \| good	0.251 \| good
2025-07-26T02:00:00.000Z	26 \| good	3.378 \| good	16.548 \| good	27.741 \| good	0.47 \| good	6.493 \| good	0.231 \| good
2025-07-26T03:00:00.000Z	27 \| good	3.249 \| good	14.658 \| good	29.042 \| good	0.604 \| good	7.212 \| good	0.183 \| good
2025-07-26T04:00:00.000Z	27 \| good	3.435 \| good	14.35 \| good	28.897 \| good	0.439 \| good	5.737 \| good	0.267 \| good
2025-07-26T05:00:00.000Z	26 \| good	2.755 \| good	15.964 \| good	28.07 \| good	0.348 \| good	4.973 \| good	0.267 \| good
2025-07-26T06:00:00.000Z	26 \| good	4.039 \| good	12.014 \| good	27.981 \| good	0.332 \| good	4.994 \| good	0.293 \| good
2025-07-26T07:00:00.000Z	27 \| good	5.255 \| good	19.884 \| good	22.038 \| good	0.311 \| good	5.702 \| good	0.313 \| good
2025-07-26T08:00:00.000Z	27 \| good	5.002 \| good	13.418 \| good	18.862 \| good	0.206 \| good	7.494 \| good	0.254 \| good
2025-07-26T09:00:00.000Z	27 \| good	4.777 \| good	13.896 \| good	18.529 \| good	0.235 \| good	7.201 \| good	0.218 \| good
2025-07-26T10:00:00.000Z	19 \| good	3.454 \| good	10.46 \| good	19.575 \| good	0.309 \| good	8.593 \| good	0.199 \| good
2025-07-26T11:00:00.000Z	38 \| good	6.668 \| good	9.948 \| good	19.933 \| good	0.227 \| good	5.698 \| good	0.211 \| good
2025-07-26T12:00:00.000Z	24 \| good	3.88 \| good	19.311 \| good	25.782 \| good	0.182 \| good	4.999 \| good	0.211 \| good
2025-07-26T13:00:00.000Z	22 \| good	3.576 \| good	14.522 \| good	21.357 \| good	0.185 \| good	6.321 \| good	0.211 \| good
2025-07-26T14:00:00.000Z	18 \| good	3.255 \| good	19.029 \| good	16.219 \| good	0.267 \| good	6.726 \| good	0.291 \| good
2025-07-26T15:00:00.000Z	23 \| good	2.86 \| good	10.491 \| good	24.747 \| good	0.202 \| good	6.459 \| good	0.279 \| good
2025-07-26T16:00:00.000Z	23 \| good	3.442 \| good	25.191 \| good	20.739 \| good	0.187 \| good	6.275 \| good	0.254 \| good
2025-07-26T17:00:00.000Z	23 \| good	3.198 \| good	21.322 \| good	25.404 \| good	0.245 \| good	7.47 \| good	0.254 \| good
2025-07-26T18:00:00.000Z	26 \| good	3.05 \| good	19.381 \| good	27.92 \| good	0.207 \| good	8.268 \| good	0.212 \| good
2025-07-26T19:00:00.000Z	27 \| good	3.171 \| good	15.324 \| good	28.94 \| good	0.244 \| good	7.154 \| good	0.239 \| good
2025-07-26T20:00:00.000Z	30 \| good	3.729 \| good	26.103 \| good	31.956 \| good	0.26 \| good	6.037 \| good	0.219 \| good
2025-07-26T21:00:00.000Z	31 \| good	5.283 \| good	23.598 \| good	34.199 \| good	0.318 \| good	6.727 \| good	0.182 \| good
2025-07-26T22:00:00.000Z	38 \| good	7.161 \| good	21.108 \| good	36.251 \| good	0.29 \| good	7.045 \| good	0.194 \| good
2025-07-26T23:00:00.000Z	34 \| good	3.289 \| good	14.369 \| good	36.568 \| good	0.312 \| good	6.644 \| good	0.194 \| good
2025-07-27T00:00:00.000Z	31 \| good	3.413 \| good	18.275 \| good	34.447 \| good	0.519 \| good	8.008 \| good	0.231 \| good
2025-07-27T01:00:00.000Z	29 \| good	2.857 \| good	16.116 \| good	31.497 \| good	0.579 \| good	7.877 \| good	0.267 \| good
2025-07-27T02:00:00.000Z	30 \| good	4.14 \| good	19.925 \| good	32.11 \| good	0.588 \| good	7.342 \| good	0.231 \| good
2025-07-27T03:00:00.000Z	30 \| good	4.225 \| good	21.212 \| good	32.421 \| good	0.521 \| good	6.507 \| good	0.291 \| good
2025-07-27T04:00:00.000Z	36 \| good	6.101 \| good	21.299 \| good	39.213 \| good	0.417 \| good	5.344 \| good	0.218 \| good
2025-07-27T05:00:00.000Z	30 \| good	5.181 \| good	23.067 \| good	31.983 \| good	0.391 \| good	3.996 \| good	0.28 \| good
2025-07-27T06:00:00.000Z	27 \| good	5.166 \| good	15.411 \| good	29.355 \| good	0.272 \| good	4.757 \| good	0.315 \| good
2025-07-27T07:00:00.000Z	33 \| good	5.656 \| good	17.7 \| good	26.986 \| good	0.274 \| good	6.621 \| good	0.389 \| good
2025-07-27T08:00:00.000Z	27 \| good	5.048 \| good	23.021 \| good	24.884 \| good	0.234 \| good	6.562 \| good	0.398 \| good
2025-07-27T09:00:00.000Z	33 \| good	6.185 \| good	18.111 \| good	20.199 \| good	0.285 \| good	6.897 \| good	0.279 \| good
2025-07-27T10:00:00.000Z	29 \| good	5.415 \| good	30.528 \| good	19.826 \| good	0.286 \| good	7.622 \| good	0.279 \| good
2025-07-27T11:00:00.000Z	22 \| good	4.24 \| good	16.301 \| good	21.532 \| good	0.282 \| good	7.03 \| good	0.278 \| good
2025-07-27T12:00:00.000Z	22 \| good	4.092 \| good	10.764 \| good	17.932 \| good	0.211 \| good	8.191 \| good	0.147 \| good
2025-07-27T13:00:00.000Z	28 \| good	4.425 \| good	29.504 \| good	22.429 \| good	0.172 \| good	7.886 \| good	0.208 \| good
2025-07-27T14:00:00.000Z	27 \| good	5.112 \| good	12.724 \| good	19.341 \| good	0.171 \| good	7.085 \| good	0.218 \| good
2025-07-27T15:00:00.000Z	22 \| good	3.823 \| good	13.201 \| good	20.112 \| good	0.433 \| good	6.215 \| good	0.242 \| good
2025-07-27T16:00:00.000Z	27 \| good	4.688 \| good	21.001 \| good	20.49 \| good	0.378 \| good	6.357 \| good	0.171 \| good
2025-07-27T17:00:00.000Z	23 \| good	4.052 \| good	16.574 \| good	24.877 \| good	0.392 \| good	6.09 \| good	0.218 \| good
2025-07-27T18:00:00.000Z	33 \| good	6.069 \| good	22.334 \| good	30.871 \| good	0.413 \| good	6.999 \| good	0.254 \| good
2025-07-27T19:00:00.000Z	33 \| good	5.644 \| good	25.556 \| good	34.498 \| good	0.371 \| good	5.195 \| good	0.218 \| good
2025-07-27T19:00:00.000Z	33 \| good	6.069 \| good	22.334 \| good	30.871 \| good	0.413 \| good	6.999 \| good	0.254 \| good
2025-07-25T08:00:00.000Z	17 \| good	2.096 \| good	8.122 \| good	17.849 \| good	2.313 \| good	10.878 \| good	0.144 \| good
2025-07-25T09:00:00.000Z	17 \| good	2.146 \| good	9.055 \| good	17.594 \| good	2.503 \| good	11.541 \| good	0.148 \| good
2025-07-25T10:00:00.000Z	16 \| good	1.4 \| good	5.145 \| good	16.611 \| good	2.474 \| good	11.005 \| good	0.146 \| good
2025-07-25T11:00:00.000Z	13 \| good	2.354 \| good	10.074 \| good	14.054 \| good	2.444 \| good	10.468 \| good	0.145 \| good
2025-07-25T12:00:00.000Z	22 \| good	4.414 \| good	19.161 \| good	11.682 \| good	2.415 \| good	9.931 \| good	0.143 \| good
2025-07-25T13:00:00.000Z	33 \| good	6.326 \| good	28.227 \| good	12.881 \| good	2.538 \| good	8.775 \| good	0.143 \| good
2025-07-25T14:00:00.000Z	27 \| good	5.113 \| good	22.171 \| good	17.051 \| good	2.661 \| good	7.618 \| good	0.142 \| good
2025-07-25T15:00:00.000Z	22 \| good	3.84 \| good	17.079 \| good	18.9 \| good	2.784 \| good	6.462 \| good	0.141 \| good
2025-07-25T16:00:00.000Z	22 \| good	3.751 \| good	16.147 \| good	21.182 \| good	2.586 \| good	5.752 \| good	0.139 \| good
2025-07-25T17:00:00.000Z	22 \| good	2.819 \| good	11.277 \| good	24.24 \| good	2.388 \| good	5.042 \| good	0.137 \| good
2025-07-25T18:00:00.000Z	26 \| good	1.949 \| good	8.068 \| good	28.041 \| good	2.19 \| good	4.332 \| good	0.135 \| good
2025-07-25T19:00:00.000Z	29 \| good	1.369 \| good	5.115 \| good	30.902 \| good	1.957 \| good	3.661 \| good	0.131 \| good
2025-07-25T20:00:00.000Z	32 \| good	3.172 \| good	13.945 \| good	35.434 \| good	1.724 \| good	2.989 \| good	0.127 \| good
2025-07-25T21:00:00.000Z	36 \| good	3.375 \| good	14.987 \| good	38.776 \| good	1.491 \| good	2.318 \| good	0.123 \| good
2025-07-25T22:00:00.000Z	34 \| good	3.32 \| good	14.119 \| good	37.497 \| good	1.437 \| good	2.318 \| good	0.123 \| good
2025-07-25T23:00:00.000Z	31 \| good	2.12 \| good	9.005 \| good	34.043 \| good	1.382 \| good	2.318 \| good	0.123 \| good
2025-07-26T00:00:00.000Z	23 \| good	0.586 \| good	2.031 \| good	25.342 \| good	1.328 \| good	2.317 \| good	0.123 \| good
2025-07-26T01:00:00.000Z	20 \| good	0.375 \| good	1.044 \| good	22.389 \| good	1.418 \| good	3.451 \| good	0.125 \| good
2025-07-26T02:00:00.000Z	21 \| good	0.33 \| good	1.043 \| good	22.623 \| good	1.507 \| good	4.585 \| good	0.127 \| good
2025-07-26T03:00:00.000Z	20 \| good	0.831 \| good	3.014 \| good	22.298 \| good	1.597 \| good	5.719 \| good	0.129 \| good
2025-07-26T04:00:00.000Z	19 \| good	1.339 \| good	5.05 \| good	20.861 \| good	1.726 \| good	6.502 \| good	0.13 \| good
2025-07-26T05:00:00.000Z	19 \| good	0.42 \| good	1.961 \| good	21.096 \| good	1.856 \| good	7.286 \| good	0.131 \| good
2025-07-26T06:00:00.000Z	19 \| good	0.455 \| good	1.998 \| good	20.4 \| good	1.986 \| good	8.069 \| good	0.132 \| good
2025-07-26T07:00:00.000Z	19 \| good	0.866 \| good	3.102 \| good	21.129 \| good	2.02 \| good	8.365 \| good	0.132 \| good
2025-07-26T08:00:00.000Z	21 \| good	0.499 \| good	1.998 \| good	22.587 \| good	2.054 \| good	8.661 \| good	0.132 \| good
2025-07-26T09:00:00.000Z	21 \| good	1.917 \| good	8.084 \| good	22.626 \| good	2.088 \| good	8.957 \| good	0.133 \| good
2025-07-26T10:00:00.000Z	20 \| good	1.715 \| good	7.077 \| good	22.194 \| good	2.147 \| good	9.254 \| good	0.132 \| good
2025-07-26T11:00:00.000Z	21 \| good	1.931 \| good	8.07 \| good	22.997 \| good	2.207 \| good	9.551 \| good	0.132 \| good
2025-07-26T12:00:00.000Z	20 \| good	2.854 \| good	12.163 \| good	22.459 \| good	2.266 \| good	9.848 \| good	0.131 \| good
2025-07-26T13:00:00.000Z	19 \| good	3.053 \| good	12.282 \| good	20.604 \| good	2.41 \| good	8.925 \| good	0.133 \| good
2025-07-26T14:00:00.000Z	18 \| good	3.054 \| good	12.158 \| good	18.769 \| good	2.554 \| good	8.003 \| good	0.134 \| good
2025-07-26T15:00:00.000Z	18 \| good	2.251 \| good	9.079 \| good	18.84 \| good	2.698 \| good	7.081 \| good	0.136 \| good
2025-07-26T16:00:00.000Z	19 \| good	2.075 \| good	8.113 \| good	20.762 \| good	2.379 \| good	5.902 \| good	0.131 \| good
2025-07-26T17:00:00.000Z	22 \| good	1.038 \| good	4.061 \| good	24.286 \| good	2.061 \| good	4.724 \| good	0.125 \| good
2025-07-26T18:00:00.000Z	28 \| good	2.874 \| good	12.119 \| good	29.584 \| good	1.743 \| good	3.546 \| good	0.12 \| good
2025-07-26T19:00:00.000Z	31 \| good	1.967 \| good	8.093 \| good	34.118 \| good	1.628 \| good	3.138 \| good	0.118 \| good
2025-07-26T20:00:00.000Z	31 \| good	4.065 \| good	18.088 \| good	34.224 \| good	1.514 \| good	2.731 \| good	0.116 \| good
2025-07-26T21:00:00.000Z	33 \| good	3.592 \| good	16.032 \| good	35.966 \| good	1.4 \| good	2.323 \| good	0.114 \| good
2025-07-26T22:00:00.000Z	32 \| good	4.026 \| good	17.175 \| good	35.492 \| good	1.434 \| good	2.399 \| good	0.115 \| good
2025-07-26T23:00:00.000Z	31 \| good	1.669 \| good	7.012 \| good	33.828 \| good	1.468 \| good	2.475 \| good	0.115 \| good
2025-07-27T00:00:00.000Z	27 \| good	0.87 \| good	3.096 \| good	28.919 \| good	1.503 \| good	2.551 \| good	0.115 \| good
2025-07-27T01:00:00.000Z	26 \| good	0.658 \| good	2.145 \| good	27.871 \| good	1.533 \| good	3.619 \| good	0.116 \| good
2025-07-27T02:00:00.000Z	27 \| good	0.679 \| good	2.142 \| good	28.982 \| good	1.563 \| good	4.687 \| good	0.117 \| good
2025-07-27T03:00:00.000Z	26 \| good	2.304 \| good	9.072 \| good	28.236 \| good	1.593 \| good	5.754 \| good	0.119 \| good
2025-07-27T04:00:00.000Z	26 \| good	2.664 \| good	11.123 \| good	28.419 \| good	1.773 \| good	6.872 \| good	0.119 \| good
2025-07-27T05:00:00.000Z	26 \| good	1.791 \| good	7.118 \| good	28.361 \| good	1.953 \| good	7.99 \| good	0.12 \| good
2025-07-27T06:00:00.000Z	49 \| good	9.077 \| good	11.367 \| good	23.983 \| good	2.159 \| good	9.194 \| good	0.122 \| good
2025-07-27T07:00:00.000Z	25 \| good	2.103 \| good	8.144 \| good	27.045 \| good	2.217 \| good	9.83 \| good	0.123 \| 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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Fountain Valley, California air quality map: Stay updated on AQI near you

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 PM2.5 level in Fountain Valley, California at the moment?

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

What is the carbon monoxide (CO) 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?

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?