What is the PM10 level in San Diego, California at the moment?

The PM10 concentration in San Diego, California is 31.531 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in San Diego, California at the moment?

Currently, San Diego, California has a sulfur dioxide (SO2) concentration of 0.428 ppb.

What is the ozone (O3) level in San Diego, California at the moment?

The current ozone (O3) level in San Diego, California at the moment is 27.286 ppm.

What is the nitrogen dioxide (NO2) level in San Diego, California at the moment?

Nitrogen dioxide (NO2) level in San Diego, California at the moment is 21.254 ppb.

Live air quality index in San Diego, California today

Q: What is the PM2.5 level in San Diego, California at the moment?

PM2.5 levels in San Diego, California are currently 18.238 μg/m3.

Stay updated with real-time air quality in San Diego, 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

San Diego, California

Last updated: ... (Local time)

Major air pollutants in San Diego, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.53 μg/m³

155

255

425

605+

Ozone (O₃)

27.29 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

21.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

San Diego, California

Get Live Pollen Counts

San Diego, California

Scroll To Air Quality Map

Track live San Diego, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	71 \| moderate	19.957 \| fine	38.122 \| good	41.092 \| good	0.281 \| good	24.764 \| good	0.508 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	22.965 \| fine	41.849 \| good	39.475 \| good	0.402 \| good	28.388 \| good	0.608 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.994 \| fine	48.811 \| good	37.514 \| good	0.437 \| good	25.204 \| good	0.726 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.705 \| fine	56.686 \| fine	32.075 \| good	0.566 \| good	16.707 \| good	0.738 \| good
2025-12-14T05:00:00.000Z	102 \| sensitive	35.515 \| moderate	63.368 \| fine	25.899 \| good	0.376 \| good	14.087 \| good	0.761 \| good
2025-12-14T06:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.951 \| good	0.578 \| good	13.275 \| good	0.81 \| good
2025-12-14T07:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.75 \| good	0.6 \| good	15.26 \| good	0.81 \| good
2025-12-14T08:00:00.000Z	99 \| moderate	34.821 \| fine	64.526 \| fine	21.577 \| good	0.815 \| good	22.432 \| good	0.839 \| good
2025-12-14T09:00:00.000Z	94 \| moderate	32.492 \| fine	59.578 \| fine	21.564 \| good	0.625 \| good	21.29 \| good	0.801 \| good
2025-12-14T10:00:00.000Z	86 \| moderate	28.214 \| fine	52.367 \| good	21.511 \| good	0.632 \| good	17.024 \| good	0.739 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.249 \| fine	43.065 \| good	21.136 \| good	0.622 \| good	18.558 \| good	0.739 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.911 \| good	0.587 \| good	19.455 \| good	0.742 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.043 \| good	0.62 \| good	16.155 \| good	0.977 \| good
2025-12-14T14:00:00.000Z	62 \| moderate	14.947 \| fine	28.194 \| good	14.484 \| good	0.524 \| good	17.547 \| good	0.758 \| good
2025-12-14T15:00:00.000Z	58 \| moderate	13.108 \| fine	24.591 \| good	16.514 \| good	0.515 \| good	14.979 \| good	0.776 \| good
2025-12-14T16:00:00.000Z	54 \| moderate	11.051 \| good	20.156 \| good	18.651 \| good	0.624 \| good	19.524 \| good	0.775 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.619 \| good	17.317 \| good	18.842 \| good	0.658 \| good	27.702 \| good	0.772 \| good
2025-12-14T18:00:00.000Z	49 \| good	9.277 \| good	16.548 \| good	19.698 \| good	0.476 \| good	27.976 \| good	0.654 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.75 \| good	20.132 \| good	23.772 \| good	0.311 \| good	29.981 \| good	0.616 \| good
2025-12-14T20:00:00.000Z	64 \| moderate	15.546 \| fine	29.233 \| good	27.087 \| good	0.449 \| good	27.947 \| good	0.487 \| good
2025-12-14T21:00:00.000Z	75 \| moderate	22.178 \| fine	41.083 \| good	29.087 \| good	0.438 \| good	23.173 \| good	0.505 \| good
2025-12-14T22:00:00.000Z	84 \| moderate	27.341 \| fine	50.763 \| good	33.827 \| good	0.358 \| good	23.425 \| good	0.457 \| good
2025-12-14T23:00:00.000Z	81 \| moderate	25.061 \| fine	45.723 \| good	37.134 \| good	0.289 \| good	15.84 \| good	0.419 \| good
2025-12-15T00:00:00.000Z	71 \| moderate	19.525 \| fine	37.365 \| good	37.315 \| good	0.251 \| good	10.614 \| good	0.438 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.959 \| fine	28.648 \| good	34.416 \| good	0.302 \| good	13.766 \| good	0.464 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.998 \| fine	29.026 \| good	32.49 \| good	0.348 \| good	10.239 \| good	0.569 \| good
2025-12-15T03:00:00.000Z	69 \| moderate	19.478 \| fine	34.571 \| good	30.505 \| good	0.403 \| good	14.54 \| good	0.643 \| good
2025-12-15T04:00:00.000Z	75 \| moderate	22.12 \| fine	39.924 \| good	31.086 \| good	0.43 \| good	21.61 \| good	0.78 \| good
2025-12-15T05:00:00.000Z	81 \| moderate	24.658 \| fine	44.687 \| good	28.354 \| good	0.403 \| good	25.05 \| good	0.761 \| good
2025-12-15T06:00:00.000Z	82 \| moderate	26.463 \| fine	48.138 \| good	27.839 \| good	0.592 \| good	25.038 \| good	0.772 \| good
2025-12-15T07:00:00.000Z	84 \| moderate	26.724 \| fine	44.321 \| good	27.817 \| good	0.594 \| good	17.271 \| good	0.772 \| good
2025-12-15T08:00:00.000Z	77 \| moderate	22.715 \| fine	40.381 \| good	26.249 \| good	0.725 \| good	23.382 \| good	0.809 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	22.201 \| fine	38.555 \| good	26.007 \| good	0.655 \| good	27.018 \| good	0.785 \| good
2025-12-15T10:00:00.000Z	77 \| moderate	22.688 \| fine	39.934 \| good	26.821 \| good	0.576 \| good	21.968 \| good	0.752 \| good
2025-12-15T11:00:00.000Z	73 \| moderate	21.185 \| fine	38.133 \| good	26.616 \| good	0.667 \| good	22.827 \| good	0.674 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.611 \| good	0.523 \| good	18.66 \| good	0.603 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.198 \| good	0.52 \| good	17.412 \| good	0.603 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.23 \| good	20.088 \| good	16.75 \| good	0.594 \| good	18.166 \| good	0.737 \| good
2025-12-15T15:00:00.000Z	52 \| moderate	10.235 \| good	18.117 \| good	15.965 \| good	0.633 \| good	19.516 \| good	0.817 \| good
2025-12-15T16:00:00.000Z	49 \| good	9.347 \| good	16.471 \| good	14.836 \| good	0.932 \| good	25.6 \| good	0.948 \| good
2025-12-15T17:00:00.000Z	52 \| moderate	9.641 \| good	18.918 \| good	13.898 \| good	1.048 \| good	34.861 \| good	0.848 \| good
2025-12-15T18:00:00.000Z	54 \| moderate	10.702 \| good	22.377 \| good	15.034 \| good	0.759 \| good	33.83 \| good	0.661 \| good
2025-12-15T19:00:00.000Z	58 \| moderate	13.287 \| fine	27.747 \| good	18.451 \| good	0.661 \| good	30.319 \| good	0.482 \| good
2025-12-15T20:00:00.000Z	66 \| moderate	16.844 \| fine	32.706 \| good	22.999 \| good	0.565 \| good	29.142 \| good	0.473 \| good
2025-12-15T21:00:00.000Z	69 \| moderate	18.805 \| fine	36.325 \| good	27.595 \| good	0.444 \| good	29.097 \| good	0.448 \| good
2025-12-15T22:00:00.000Z	71 \| moderate	19.794 \| fine	38.513 \| good	29.085 \| good	0.39 \| good	32.554 \| good	0.375 \| good
2025-12-15T23:00:00.000Z	67 \| moderate	18.468 \| fine	37.122 \| good	33.335 \| good	0.416 \| good	26.652 \| good	0.362 \| good
2025-12-16T00:00:00.000Z	62 \| moderate	14.636 \| fine	30.232 \| good	33.504 \| good	0.376 \| good	12.902 \| good	0.381 \| good
2025-12-16T00:00:00.000Z	67 \| moderate	18.238 \| fine	31.531 \| good	27.286 \| good	0.428 \| good	21.254 \| good	0.365 \| good
2025-12-16T00:00:00.000Z	38 \| good	6.761 \| good	29.864 \| good	35.497 \| good	3.859 \| good	26.808 \| good	0.289 \| good
2025-12-16T01:00:00.000Z	44 \| good	8.29 \| good	36.799 \| good	31.523 \| good	3.751 \| good	29.713 \| good	0.345 \| good
2025-12-16T02:00:00.000Z	60 \| moderate	13.726 \| fine	62.559 \| fine	20.281 \| good	3.643 \| good	32.618 \| good	0.401 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	21.559 \| fine	94.486 \| fine	14.435 \| good	3.535 \| good	35.522 \| good	0.456 \| good
2025-12-16T04:00:00.000Z	88 \| moderate	28.886 \| fine	126.163 \| fine	12.862 \| good	3.723 \| good	35.556 \| good	0.473 \| good
2025-12-16T05:00:00.000Z	88 \| moderate	29.353 \| fine	128.132 \| fine	11.405 \| good	3.911 \| good	35.59 \| good	0.489 \| good
2025-12-16T06:00:00.000Z	84 \| moderate	27.229 \| fine	118.29 \| fine	12.247 \| good	4.099 \| good	35.624 \| good	0.506 \| good
2025-12-16T07:00:00.000Z	96 \| moderate	33.348 \| fine	144.309 \| fine	10.669 \| good	3.475 \| good	34.198 \| good	0.501 \| good
2025-12-16T08:00:00.000Z	117 \| sensitive	41.834 \| moderate	186.19 \| moderate	9.909 \| good	2.852 \| good	32.772 \| good	0.495 \| good
2025-12-16T09:00:00.000Z	102 \| sensitive	36.1 \| moderate	158.494 \| moderate	9.774 \| good	2.229 \| good	31.347 \| good	0.49 \| good
2025-12-16T10:00:00.000Z	86 \| moderate	27.725 \| fine	120.819 \| fine	6.532 \| good	2.14 \| good	30.633 \| good	0.462 \| good
2025-12-16T11:00:00.000Z	86 \| moderate	27.871 \| fine	120.86 \| fine	5.348 \| good	2.052 \| good	29.92 \| good	0.433 \| good
2025-12-16T12:00:00.000Z	81 \| moderate	25.327 \| fine	110.986 \| fine	9.151 \| good	1.963 \| good	29.206 \| good	0.405 \| good
2025-12-16T13:00:00.000Z	77 \| moderate	22.918 \| fine	101.107 \| fine	7.794 \| good	1.907 \| good	28.393 \| good	0.409 \| good
2025-12-16T14:00:00.000Z	75 \| moderate	22.006 \| fine	97.026 \| fine	5.735 \| good	1.85 \| good	27.58 \| good	0.414 \| good
2025-12-16T15:00:00.000Z	69 \| moderate	19.414 \| fine	84.986 \| fine	4.91 \| good	1.794 \| good	26.766 \| good	0.418 \| good
2025-12-16T16:00:00.000Z	69 \| moderate	18.689 \| fine	82.881 \| fine	6.983 \| good	2.165 \| good	26.886 \| good	0.433 \| good
2025-12-16T17:00:00.000Z	67 \| moderate	18.368 \| fine	80.932 \| fine	8.973 \| good	2.536 \| good	27.005 \| good	0.448 \| good
2025-12-16T18:00:00.000Z	69 \| moderate	18.851 \| fine	82.998 \| fine	14.571 \| good	2.907 \| good	27.124 \| good	0.463 \| good
2025-12-16T19:00:00.000Z	71 \| moderate	20.06 \| fine	89.038 \| fine	20.667 \| good	3.433 \| good	27.503 \| good	0.437 \| good
2025-12-16T20:00:00.000Z	84 \| moderate	27.385 \| fine	118.916 \| fine	27.505 \| good	3.958 \| good	27.882 \| good	0.411 \| good
2025-12-16T21:00:00.000Z	90 \| moderate	29.594 \| fine	128.724 \| fine	35.788 \| good	4.484 \| good	28.261 \| good	0.385 \| good
2025-12-16T22:00:00.000Z	86 \| moderate	28.373 \| fine	122.524 \| fine	43.754 \| good	4.544 \| good	30.061 \| good	0.382 \| good
2025-12-16T23:00:00.000Z	84 \| moderate	26.719 \| fine	116.369 \| fine	44.579 \| good	4.604 \| good	31.862 \| good	0.379 \| good
2025-12-17T00:00:00.000Z	86 \| moderate	28.154 \| fine	122.346 \| fine	41.681 \| good	4.664 \| good	33.662 \| good	0.376 \| good
2025-12-17T01:00:00.000Z	88 \| moderate	28.779 \| fine	124.421 \| fine	34.289 \| good	4.656 \| good	35.148 \| good	0.456 \| good
2025-12-17T02:00:00.000Z	105 \| sensitive	36.956 \| moderate	162.273 \| moderate	22.658 \| good	4.648 \| good	36.633 \| good	0.537 \| good
2025-12-17T03:00:00.000Z	122 \| sensitive	44.222 \| moderate	197.78 \| moderate	13.723 \| good	4.64 \| good	38.118 \| good	0.617 \| good
2025-12-17T04:00:00.000Z	134 \| sensitive	48.853 \| moderate	219.549 \| moderate	12.913 \| good	4.751 \| good	38.63 \| good	0.639 \| good
2025-12-17T05:00:00.000Z	122 \| sensitive	43.946 \| moderate	195.715 \| moderate	14.403 \| good	4.862 \| good	39.142 \| good	0.66 \| good
2025-12-17T06:00:00.000Z	117 \| sensitive	41.9 \| moderate	185.755 \| moderate	16.503 \| good	4.973 \| good	39.654 \| good	0.682 \| good
2025-12-17T07:00:00.000Z	119 \| sensitive	42.802 \| moderate	189.742 \| moderate	17.404 \| good	4.33 \| good	38.838 \| good	0.667 \| good
2025-12-17T08:00:00.000Z	119 \| sensitive	43.132 \| moderate	191.682 \| moderate	13.37 \| good	3.687 \| good	38.022 \| good	0.653 \| good
2025-12-17T09:00:00.000Z	113 \| sensitive	40.474 \| moderate	179.768 \| moderate	11.533 \| good	3.044 \| good	37.205 \| good	0.638 \| good
2025-12-17T10:00:00.000Z	105 \| sensitive	36.851 \| moderate	162.068 \| moderate	10.492 \| good	2.854 \| good	36.056 \| good	0.603 \| good
2025-12-17T11:00:00.000Z	105 \| sensitive	37.356 \| moderate	164.012 \| moderate	9.271 \| good	2.663 \| good	34.906 \| good	0.569 \| good
2025-12-17T12:00:00.000Z	97 \| moderate	34.029 \| fine	146.384 \| fine	9.641 \| good	2.472 \| good	33.757 \| good	0.535 \| good
2025-12-17T13:00:00.000Z	96 \| moderate	32.688 \| fine	142.296 \| fine	6.184 \| good	2.43 \| good	32.798 \| good	0.531 \| good
2025-12-17T14:00:00.000Z	92 \| moderate	30.828 \| fine	134.368 \| fine	3.36 \| good	2.389 \| good	31.84 \| good	0.528 \| good
2025-12-17T15:00:00.000Z	90 \| moderate	30.213 \| fine	130.601 \| fine	4.975 \| good	2.348 \| good	30.881 \| good	0.524 \| good
2025-12-17T16:00:00.000Z	97 \| moderate	33.806 \| fine	146.624 \| fine	6.38 \| good	2.789 \| good	30.395 \| good	0.553 \| good
2025-12-17T17:00:00.000Z	102 \| sensitive	35.713 \| moderate	154.888 \| fine	10.285 \| good	3.23 \| good	29.91 \| good	0.583 \| good
2025-12-17T18:00:00.000Z	105 \| sensitive	36.577 \| moderate	160.787 \| moderate	20.151 \| good	3.671 \| good	29.424 \| good	0.612 \| good
2025-12-17T19:00:00.000Z	94 \| moderate	32.378 \| fine	139.186 \| fine	32.396 \| good	4.236 \| good	30.828 \| good	0.584 \| good
2025-12-17T20:00:00.000Z	84 \| moderate	27.483 \| fine	119.176 \| fine	38.888 \| good	4.802 \| good	32.232 \| good	0.557 \| good
2025-12-17T21:00:00.000Z	58 \| moderate	12.861 \| fine	57.259 \| fine	38.49 \| good	5.368 \| good	33.637 \| good	0.529 \| good
2025-12-17T22:00:00.000Z	52 \| moderate	9.786 \| good	43.057 \| good	41.141 \| good	5.281 \| good	33.826 \| good	0.492 \| good
2025-12-17T23:00:00.000Z	39 \| good	6.92 \| good	30.827 \| good	42.146 \| good	5.193 \| good	34.015 \| good	0.455 \| good

San Diego

Get reliable air quality data to drive your business

San Diego, California air quality map: Stay updated on AQI near you

0.33ppm

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

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 often is air quality information updated for San Diego, California?

The air quality information for San Diego, California is updated every hour for accuracy.

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

In the past 24 hours, the air quality in San Diego, California was at its worst at 08:00:00 on 2025-12-15.

When did San Diego, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in San Diego, California was observed at 06:00:00 on 2025-12-15.

What is the AQI in San Diego, California right now?

As of now, the AQI in San Diego, California is 67, indicating Moderate conditions.

What is the most common type of pollution in San Diego, California?

San Diego, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in San Diego, California?

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

What is the PM_2.5 level in San Diego, California at the moment?

PM_2.5 levels in San Diego, California are currently 18.238 μg/m³.

What is the PM₁₀ level in San Diego, California at the moment?

The PM₁₀ concentration in San Diego, California is 31.531 μg/m³ at the moment.

What is the carbon monoxide (CO) level in San Diego, California at the moment?

The current carbon monoxide (CO) concentration in San Diego, California is 0.365 ppm.

What is the sulfur dioxide (SO₂) level in San Diego, California at the moment?

Currently, San Diego, California has a sulfur dioxide (SO₂) concentration of 0.428 ppb.

What is the ozone (O₃) level in San Diego, California at the moment?

The current ozone (O₃) level in San Diego, California at the moment is 27.286 ppm.

What is the nitrogen dioxide (NO₂) level in San Diego, California at the moment?

Nitrogen dioxide (NO₂) level in San Diego, California at the moment is 21.254 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	71 \| moderate	19.957 \| fine	38.122 \| good	41.092 \| good	0.281 \| good	24.764 \| good	0.508 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	22.965 \| fine	41.849 \| good	39.475 \| good	0.402 \| good	28.388 \| good	0.608 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.994 \| fine	48.811 \| good	37.514 \| good	0.437 \| good	25.204 \| good	0.726 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.705 \| fine	56.686 \| fine	32.075 \| good	0.566 \| good	16.707 \| good	0.738 \| good
2025-12-14T05:00:00.000Z	102 \| sensitive	35.515 \| moderate	63.368 \| fine	25.899 \| good	0.376 \| good	14.087 \| good	0.761 \| good
2025-12-14T06:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.951 \| good	0.578 \| good	13.275 \| good	0.81 \| good
2025-12-14T07:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.75 \| good	0.6 \| good	15.26 \| good	0.81 \| good
2025-12-14T08:00:00.000Z	99 \| moderate	34.821 \| fine	64.526 \| fine	21.577 \| good	0.815 \| good	22.432 \| good	0.839 \| good
2025-12-14T09:00:00.000Z	94 \| moderate	32.492 \| fine	59.578 \| fine	21.564 \| good	0.625 \| good	21.29 \| good	0.801 \| good
2025-12-14T10:00:00.000Z	86 \| moderate	28.214 \| fine	52.367 \| good	21.511 \| good	0.632 \| good	17.024 \| good	0.739 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.249 \| fine	43.065 \| good	21.136 \| good	0.622 \| good	18.558 \| good	0.739 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.911 \| good	0.587 \| good	19.455 \| good	0.742 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.043 \| good	0.62 \| good	16.155 \| good	0.977 \| good
2025-12-14T14:00:00.000Z	62 \| moderate	14.947 \| fine	28.194 \| good	14.484 \| good	0.524 \| good	17.547 \| good	0.758 \| good
2025-12-14T15:00:00.000Z	58 \| moderate	13.108 \| fine	24.591 \| good	16.514 \| good	0.515 \| good	14.979 \| good	0.776 \| good
2025-12-14T16:00:00.000Z	54 \| moderate	11.051 \| good	20.156 \| good	18.651 \| good	0.624 \| good	19.524 \| good	0.775 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.619 \| good	17.317 \| good	18.842 \| good	0.658 \| good	27.702 \| good	0.772 \| good
2025-12-14T18:00:00.000Z	49 \| good	9.277 \| good	16.548 \| good	19.698 \| good	0.476 \| good	27.976 \| good	0.654 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.75 \| good	20.132 \| good	23.772 \| good	0.311 \| good	29.981 \| good	0.616 \| good
2025-12-14T20:00:00.000Z	64 \| moderate	15.546 \| fine	29.233 \| good	27.087 \| good	0.449 \| good	27.947 \| good	0.487 \| good
2025-12-14T21:00:00.000Z	75 \| moderate	22.178 \| fine	41.083 \| good	29.087 \| good	0.438 \| good	23.173 \| good	0.505 \| good
2025-12-14T22:00:00.000Z	84 \| moderate	27.341 \| fine	50.763 \| good	33.827 \| good	0.358 \| good	23.425 \| good	0.457 \| good
2025-12-14T23:00:00.000Z	81 \| moderate	25.061 \| fine	45.723 \| good	37.134 \| good	0.289 \| good	15.84 \| good	0.419 \| good
2025-12-15T00:00:00.000Z	71 \| moderate	19.525 \| fine	37.365 \| good	37.315 \| good	0.251 \| good	10.614 \| good	0.438 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.959 \| fine	28.648 \| good	34.416 \| good	0.302 \| good	13.766 \| good	0.464 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.998 \| fine	29.026 \| good	32.49 \| good	0.348 \| good	10.239 \| good	0.569 \| good
2025-12-15T03:00:00.000Z	69 \| moderate	19.478 \| fine	34.571 \| good	30.505 \| good	0.403 \| good	14.54 \| good	0.643 \| good
2025-12-15T04:00:00.000Z	75 \| moderate	22.12 \| fine	39.924 \| good	31.086 \| good	0.43 \| good	21.61 \| good	0.78 \| good
2025-12-15T05:00:00.000Z	81 \| moderate	24.658 \| fine	44.687 \| good	28.354 \| good	0.403 \| good	25.05 \| good	0.761 \| good
2025-12-15T06:00:00.000Z	82 \| moderate	26.463 \| fine	48.138 \| good	27.839 \| good	0.592 \| good	25.038 \| good	0.772 \| good
2025-12-15T07:00:00.000Z	84 \| moderate	26.724 \| fine	44.321 \| good	27.817 \| good	0.594 \| good	17.271 \| good	0.772 \| good
2025-12-15T08:00:00.000Z	77 \| moderate	22.715 \| fine	40.381 \| good	26.249 \| good	0.725 \| good	23.382 \| good	0.809 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	22.201 \| fine	38.555 \| good	26.007 \| good	0.655 \| good	27.018 \| good	0.785 \| good
2025-12-15T10:00:00.000Z	77 \| moderate	22.688 \| fine	39.934 \| good	26.821 \| good	0.576 \| good	21.968 \| good	0.752 \| good
2025-12-15T11:00:00.000Z	73 \| moderate	21.185 \| fine	38.133 \| good	26.616 \| good	0.667 \| good	22.827 \| good	0.674 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.611 \| good	0.523 \| good	18.66 \| good	0.603 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.198 \| good	0.52 \| good	17.412 \| good	0.603 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.23 \| good	20.088 \| good	16.75 \| good	0.594 \| good	18.166 \| good	0.737 \| good
2025-12-15T15:00:00.000Z	52 \| moderate	10.235 \| good	18.117 \| good	15.965 \| good	0.633 \| good	19.516 \| good	0.817 \| good
2025-12-15T16:00:00.000Z	49 \| good	9.347 \| good	16.471 \| good	14.836 \| good	0.932 \| good	25.6 \| good	0.948 \| good
2025-12-15T17:00:00.000Z	52 \| moderate	9.641 \| good	18.918 \| good	13.898 \| good	1.048 \| good	34.861 \| good	0.848 \| good
2025-12-15T18:00:00.000Z	54 \| moderate	10.702 \| good	22.377 \| good	15.034 \| good	0.759 \| good	33.83 \| good	0.661 \| good
2025-12-15T19:00:00.000Z	58 \| moderate	13.287 \| fine	27.747 \| good	18.451 \| good	0.661 \| good	30.319 \| good	0.482 \| good
2025-12-15T20:00:00.000Z	66 \| moderate	16.844 \| fine	32.706 \| good	22.999 \| good	0.565 \| good	29.142 \| good	0.473 \| good
2025-12-15T21:00:00.000Z	69 \| moderate	18.805 \| fine	36.325 \| good	27.595 \| good	0.444 \| good	29.097 \| good	0.448 \| good
2025-12-15T22:00:00.000Z	71 \| moderate	19.794 \| fine	38.513 \| good	29.085 \| good	0.39 \| good	32.554 \| good	0.375 \| good
2025-12-15T23:00:00.000Z	67 \| moderate	18.468 \| fine	37.122 \| good	33.335 \| good	0.416 \| good	26.652 \| good	0.362 \| good
2025-12-16T00:00:00.000Z	62 \| moderate	14.636 \| fine	30.232 \| good	33.504 \| good	0.376 \| good	12.902 \| good	0.381 \| good
2025-12-16T00:00:00.000Z	67 \| moderate	18.238 \| fine	31.531 \| good	27.286 \| good	0.428 \| good	21.254 \| good	0.365 \| good
2025-12-16T00:00:00.000Z	38 \| good	6.761 \| good	29.864 \| good	35.497 \| good	3.859 \| good	26.808 \| good	0.289 \| good
2025-12-16T01:00:00.000Z	44 \| good	8.29 \| good	36.799 \| good	31.523 \| good	3.751 \| good	29.713 \| good	0.345 \| good
2025-12-16T02:00:00.000Z	60 \| moderate	13.726 \| fine	62.559 \| fine	20.281 \| good	3.643 \| good	32.618 \| good	0.401 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	21.559 \| fine	94.486 \| fine	14.435 \| good	3.535 \| good	35.522 \| good	0.456 \| good
2025-12-16T04:00:00.000Z	88 \| moderate	28.886 \| fine	126.163 \| fine	12.862 \| good	3.723 \| good	35.556 \| good	0.473 \| good
2025-12-16T05:00:00.000Z	88 \| moderate	29.353 \| fine	128.132 \| fine	11.405 \| good	3.911 \| good	35.59 \| good	0.489 \| good
2025-12-16T06:00:00.000Z	84 \| moderate	27.229 \| fine	118.29 \| fine	12.247 \| good	4.099 \| good	35.624 \| good	0.506 \| good
2025-12-16T07:00:00.000Z	96 \| moderate	33.348 \| fine	144.309 \| fine	10.669 \| good	3.475 \| good	34.198 \| good	0.501 \| good
2025-12-16T08:00:00.000Z	117 \| sensitive	41.834 \| moderate	186.19 \| moderate	9.909 \| good	2.852 \| good	32.772 \| good	0.495 \| good
2025-12-16T09:00:00.000Z	102 \| sensitive	36.1 \| moderate	158.494 \| moderate	9.774 \| good	2.229 \| good	31.347 \| good	0.49 \| good
2025-12-16T10:00:00.000Z	86 \| moderate	27.725 \| fine	120.819 \| fine	6.532 \| good	2.14 \| good	30.633 \| good	0.462 \| good
2025-12-16T11:00:00.000Z	86 \| moderate	27.871 \| fine	120.86 \| fine	5.348 \| good	2.052 \| good	29.92 \| good	0.433 \| good
2025-12-16T12:00:00.000Z	81 \| moderate	25.327 \| fine	110.986 \| fine	9.151 \| good	1.963 \| good	29.206 \| good	0.405 \| good
2025-12-16T13:00:00.000Z	77 \| moderate	22.918 \| fine	101.107 \| fine	7.794 \| good	1.907 \| good	28.393 \| good	0.409 \| good
2025-12-16T14:00:00.000Z	75 \| moderate	22.006 \| fine	97.026 \| fine	5.735 \| good	1.85 \| good	27.58 \| good	0.414 \| good
2025-12-16T15:00:00.000Z	69 \| moderate	19.414 \| fine	84.986 \| fine	4.91 \| good	1.794 \| good	26.766 \| good	0.418 \| good
2025-12-16T16:00:00.000Z	69 \| moderate	18.689 \| fine	82.881 \| fine	6.983 \| good	2.165 \| good	26.886 \| good	0.433 \| good
2025-12-16T17:00:00.000Z	67 \| moderate	18.368 \| fine	80.932 \| fine	8.973 \| good	2.536 \| good	27.005 \| good	0.448 \| good
2025-12-16T18:00:00.000Z	69 \| moderate	18.851 \| fine	82.998 \| fine	14.571 \| good	2.907 \| good	27.124 \| good	0.463 \| good
2025-12-16T19:00:00.000Z	71 \| moderate	20.06 \| fine	89.038 \| fine	20.667 \| good	3.433 \| good	27.503 \| good	0.437 \| good
2025-12-16T20:00:00.000Z	84 \| moderate	27.385 \| fine	118.916 \| fine	27.505 \| good	3.958 \| good	27.882 \| good	0.411 \| good
2025-12-16T21:00:00.000Z	90 \| moderate	29.594 \| fine	128.724 \| fine	35.788 \| good	4.484 \| good	28.261 \| good	0.385 \| good
2025-12-16T22:00:00.000Z	86 \| moderate	28.373 \| fine	122.524 \| fine	43.754 \| good	4.544 \| good	30.061 \| good	0.382 \| good
2025-12-16T23:00:00.000Z	84 \| moderate	26.719 \| fine	116.369 \| fine	44.579 \| good	4.604 \| good	31.862 \| good	0.379 \| good
2025-12-17T00:00:00.000Z	86 \| moderate	28.154 \| fine	122.346 \| fine	41.681 \| good	4.664 \| good	33.662 \| good	0.376 \| good
2025-12-17T01:00:00.000Z	88 \| moderate	28.779 \| fine	124.421 \| fine	34.289 \| good	4.656 \| good	35.148 \| good	0.456 \| good
2025-12-17T02:00:00.000Z	105 \| sensitive	36.956 \| moderate	162.273 \| moderate	22.658 \| good	4.648 \| good	36.633 \| good	0.537 \| good
2025-12-17T03:00:00.000Z	122 \| sensitive	44.222 \| moderate	197.78 \| moderate	13.723 \| good	4.64 \| good	38.118 \| good	0.617 \| good
2025-12-17T04:00:00.000Z	134 \| sensitive	48.853 \| moderate	219.549 \| moderate	12.913 \| good	4.751 \| good	38.63 \| good	0.639 \| good
2025-12-17T05:00:00.000Z	122 \| sensitive	43.946 \| moderate	195.715 \| moderate	14.403 \| good	4.862 \| good	39.142 \| good	0.66 \| good
2025-12-17T06:00:00.000Z	117 \| sensitive	41.9 \| moderate	185.755 \| moderate	16.503 \| good	4.973 \| good	39.654 \| good	0.682 \| good
2025-12-17T07:00:00.000Z	119 \| sensitive	42.802 \| moderate	189.742 \| moderate	17.404 \| good	4.33 \| good	38.838 \| good	0.667 \| good
2025-12-17T08:00:00.000Z	119 \| sensitive	43.132 \| moderate	191.682 \| moderate	13.37 \| good	3.687 \| good	38.022 \| good	0.653 \| good
2025-12-17T09:00:00.000Z	113 \| sensitive	40.474 \| moderate	179.768 \| moderate	11.533 \| good	3.044 \| good	37.205 \| good	0.638 \| good
2025-12-17T10:00:00.000Z	105 \| sensitive	36.851 \| moderate	162.068 \| moderate	10.492 \| good	2.854 \| good	36.056 \| good	0.603 \| good
2025-12-17T11:00:00.000Z	105 \| sensitive	37.356 \| moderate	164.012 \| moderate	9.271 \| good	2.663 \| good	34.906 \| good	0.569 \| good
2025-12-17T12:00:00.000Z	97 \| moderate	34.029 \| fine	146.384 \| fine	9.641 \| good	2.472 \| good	33.757 \| good	0.535 \| good
2025-12-17T13:00:00.000Z	96 \| moderate	32.688 \| fine	142.296 \| fine	6.184 \| good	2.43 \| good	32.798 \| good	0.531 \| good
2025-12-17T14:00:00.000Z	92 \| moderate	30.828 \| fine	134.368 \| fine	3.36 \| good	2.389 \| good	31.84 \| good	0.528 \| good
2025-12-17T15:00:00.000Z	90 \| moderate	30.213 \| fine	130.601 \| fine	4.975 \| good	2.348 \| good	30.881 \| good	0.524 \| good
2025-12-17T16:00:00.000Z	97 \| moderate	33.806 \| fine	146.624 \| fine	6.38 \| good	2.789 \| good	30.395 \| good	0.553 \| good
2025-12-17T17:00:00.000Z	102 \| sensitive	35.713 \| moderate	154.888 \| fine	10.285 \| good	3.23 \| good	29.91 \| good	0.583 \| good
2025-12-17T18:00:00.000Z	105 \| sensitive	36.577 \| moderate	160.787 \| moderate	20.151 \| good	3.671 \| good	29.424 \| good	0.612 \| good
2025-12-17T19:00:00.000Z	94 \| moderate	32.378 \| fine	139.186 \| fine	32.396 \| good	4.236 \| good	30.828 \| good	0.584 \| good
2025-12-17T20:00:00.000Z	84 \| moderate	27.483 \| fine	119.176 \| fine	38.888 \| good	4.802 \| good	32.232 \| good	0.557 \| good
2025-12-17T21:00:00.000Z	58 \| moderate	12.861 \| fine	57.259 \| fine	38.49 \| good	5.368 \| good	33.637 \| good	0.529 \| good
2025-12-17T22:00:00.000Z	52 \| moderate	9.786 \| good	43.057 \| good	41.141 \| good	5.281 \| good	33.826 \| good	0.492 \| good
2025-12-17T23:00:00.000Z	39 \| good	6.92 \| good	30.827 \| good	42.146 \| good	5.193 \| good	34.015 \| good	0.455 \| good

Live air quality index in San Diego, California today

Major air pollutants in San Diego, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live San Diego, California air quality forecast and history

Get reliable air quality data to drive your business

San Diego, California air quality map: Stay updated on AQI near you

Air quality in nearby cities

Coronado, California

National City, California

Chula Vista, California

Lemon Grove, California

Bonita, California

La Mesa, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for San Diego, California?

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

When did San Diego, California experience the best air quality in the last 24 hours?

What is the AQI in San Diego, California right now?

What is the most common type of pollution in San Diego, California?

What should I do in case of poor air quality in San Diego, California?

What is the PM2.5 level in San Diego, California at the moment?

What is the PM10 level in San Diego, California at the moment?

What is the carbon monoxide (CO) level in San Diego, California at the moment?

What is the sulfur dioxide (SO2) level in San Diego, California at the moment?

What is the ozone (O3) level in San Diego, California at the moment?

What is the nitrogen dioxide (NO2) level in San Diego, 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 San Diego, California at the moment?

What is the PM₁₀ level in San Diego, California at the moment?

What is the sulfur dioxide (SO₂) level in San Diego, California at the moment?

What is the ozone (O₃) level in San Diego, California at the moment?

What is the nitrogen dioxide (NO₂) level in San Diego, California at the moment?