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

The PM10 concentration in San Diego, California is 30.258 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 0.5 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 22.871 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 25.187 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 19.995 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)

Good

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)

6.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.69 μg/m³

155

255

425

605+

Ozone (O₃)

33.74 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-10-27T23:00:00.000Z	56 \| moderate	12.044 \| good	25.533 \| good	43.226 \| good	0.417 \| good	13.106 \| good	0.292 \| good
2025-10-28T00:00:00.000Z	56 \| moderate	11.521 \| good	23.47 \| good	43.202 \| good	0.443 \| good	9.31 \| good	0.318 \| good
2025-10-28T01:00:00.000Z	54 \| moderate	10.997 \| good	23.296 \| good	44.078 \| good	0.436 \| good	10.257 \| good	0.318 \| good
2025-10-28T02:00:00.000Z	54 \| moderate	10.98 \| good	22.296 \| good	42.053 \| good	0.386 \| good	12.36 \| good	0.354 \| good
2025-10-28T03:00:00.000Z	49 \| good	9.292 \| good	41.886 \| good	32.62 \| good	2.19 \| good	25.176 \| good	0.256 \| good
2025-10-28T04:00:00.000Z	56 \| moderate	12.317 \| fine	24.183 \| good	38.767 \| good	0.395 \| good	23.393 \| good	0.447 \| good
2025-10-28T05:00:00.000Z	58 \| moderate	13.299 \| fine	24.216 \| good	40.542 \| good	0.392 \| good	22.53 \| good	0.472 \| good
2025-10-28T06:00:00.000Z	60 \| moderate	13.984 \| fine	25.205 \| good	39.282 \| good	0.425 \| good	31.353 \| good	0.472 \| good
2025-10-28T07:00:00.000Z	62 \| moderate	14.947 \| fine	25.257 \| good	37.174 \| good	0.427 \| good	26.239 \| good	0.472 \| good
2025-10-28T08:00:00.000Z	64 \| moderate	16.393 \| fine	26.225 \| good	28.425 \| good	0.334 \| good	27.11 \| good	0.51 \| good
2025-10-28T09:00:00.000Z	66 \| moderate	16.908 \| fine	27.342 \| good	24.599 \| good	0.426 \| good	23.417 \| good	0.473 \| good
2025-10-28T10:00:00.000Z	67 \| moderate	17.514 \| fine	27.458 \| good	20.781 \| good	0.365 \| good	21.958 \| good	0.443 \| good
2025-10-28T11:00:00.000Z	67 \| moderate	17.571 \| fine	28.642 \| good	20.748 \| good	0.365 \| good	19.762 \| good	0.399 \| good
2025-10-28T12:00:00.000Z	67 \| moderate	17.721 \| fine	28.881 \| good	20.729 \| good	0.401 \| good	21.683 \| good	0.48 \| good
2025-10-28T13:00:00.000Z	67 \| moderate	17.721 \| fine	28.881 \| good	20.693 \| good	0.404 \| good	21.932 \| good	0.48 \| good
2025-10-28T14:00:00.000Z	66 \| moderate	17.078 \| fine	31.233 \| good	3.27 \| good	0.42 \| good	24.191 \| good	0.646 \| good
2025-10-28T15:00:00.000Z	66 \| moderate	17.393 \| fine	34.23 \| good	2.381 \| good	0.539 \| good	27.517 \| good	0.683 \| good
2025-10-28T16:00:00.000Z	67 \| moderate	17.875 \| fine	39.458 \| good	2.503 \| good	0.62 \| good	34.473 \| good	0.701 \| good
2025-10-28T17:00:00.000Z	69 \| moderate	19.449 \| fine	44.273 \| good	4.746 \| good	0.461 \| good	37.917 \| good	0.534 \| good
2025-10-28T18:00:00.000Z	73 \| moderate	20.984 \| fine	47.271 \| good	9.802 \| good	0.462 \| good	35.422 \| good	0.421 \| good
2025-10-28T19:00:00.000Z	73 \| moderate	21.293 \| fine	45.239 \| good	16.862 \| good	0.362 \| good	36.519 \| good	0.322 \| good
2025-10-28T20:00:00.000Z	71 \| moderate	20.351 \| fine	42.001 \| good	30.52 \| good	0.31 \| good	27.408 \| good	0.266 \| good
2025-10-28T21:00:00.000Z	73 \| moderate	20.679 \| fine	41.535 \| good	40.43 \| good	0.397 \| good	34.308 \| good	0.267 \| good
2025-10-28T22:00:00.000Z	73 \| moderate	20.691 \| fine	42.358 \| good	48.197 \| good	0.585 \| good	17.663 \| good	0.248 \| good
2025-10-28T23:00:00.000Z	73 \| moderate	20.736 \| fine	41.463 \| good	52.119 \| good	1.431 \| good	8.746 \| good	0.248 \| good
2025-10-29T00:00:00.000Z	73 \| moderate	21.226 \| fine	41.404 \| good	54.973 \| good	1.73 \| good	7.62 \| good	0.248 \| good
2025-10-29T01:00:00.000Z	73 \| moderate	21.043 \| fine	41.363 \| good	52.052 \| good	0.792 \| good	20.17 \| good	0.248 \| good
2025-10-29T02:00:00.000Z	73 \| moderate	21.317 \| fine	41.217 \| good	47.997 \| good	0.49 \| good	25.913 \| good	0.266 \| good
2025-10-29T03:00:00.000Z	73 \| moderate	20.773 \| fine	36.591 \| good	44.091 \| good	0.304 \| good	28.988 \| good	0.273 \| good
2025-10-29T04:00:00.000Z	73 \| moderate	21.214 \| fine	35.556 \| good	35.197 \| good	0.35 \| good	32.041 \| good	0.293 \| good
2025-10-29T05:00:00.000Z	75 \| moderate	22.172 \| fine	36.16 \| good	28.077 \| good	0.441 \| good	27.56 \| good	0.318 \| good
2025-10-29T06:00:00.000Z	73 \| moderate	21.197 \| fine	33.013 \| good	22.811 \| good	0.521 \| good	22.066 \| good	0.356 \| good
2025-10-29T07:00:00.000Z	71 \| moderate	19.995 \| fine	30.258 \| good	22.871 \| good	0.5 \| good	25.187 \| good	0.356 \| good
2025-10-29T08:00:00.000Z	71 \| moderate	20.015 \| fine	30.672 \| good	10.284 \| good	0.464 \| good	26.691 \| good	0.367 \| good
2025-10-29T09:00:00.000Z	73 \| moderate	20.611 \| fine	31.967 \| good	7.676 \| good	0.475 \| good	27.351 \| good	0.378 \| good
2025-10-29T10:00:00.000Z	71 \| moderate	20.229 \| fine	32.727 \| good	8.864 \| good	0.386 \| good	18.633 \| good	0.36 \| good
2025-10-29T11:00:00.000Z	64 \| moderate	16.421 \| fine	28.649 \| good	8.806 \| good	0.394 \| good	16.819 \| good	0.322 \| good
2025-10-29T12:00:00.000Z	58 \| moderate	13.292 \| fine	24.095 \| good	8.775 \| good	0.447 \| good	17.226 \| good	0.377 \| good
2025-10-29T13:00:00.000Z	58 \| moderate	13.292 \| fine	24.095 \| good	8.715 \| good	0.449 \| good	18.062 \| good	0.378 \| good
2025-10-29T14:00:00.000Z	52 \| moderate	10.212 \| good	26.036 \| good	5.658 \| good	0.631 \| good	26.967 \| good	0.558 \| good
2025-10-29T15:00:00.000Z	54 \| moderate	11.356 \| good	44.207 \| good	9.314 \| good	0.598 \| good	29.248 \| good	0.736 \| good
2025-10-29T16:00:00.000Z	71 \| moderate	20.271 \| fine	73.8 \| fine	12.347 \| good	0.583 \| good	34.009 \| good	0.762 \| good
2025-10-29T17:00:00.000Z	62 \| moderate	15.247 \| fine	63.378 \| fine	12.918 \| good	0.46 \| good	31.358 \| good	0.801 \| good
2025-10-29T18:00:00.000Z	62 \| moderate	15.457 \| fine	60.911 \| fine	12.21 \| good	0.421 \| good	28.309 \| good	0.583 \| good
2025-10-29T19:00:00.000Z	54 \| moderate	11.382 \| good	47.411 \| good	18.968 \| good	0.326 \| good	24.65 \| good	0.415 \| good
2025-10-29T20:00:00.000Z	44 \| good	8.469 \| good	35.743 \| good	25.963 \| good	0.264 \| good	23.44 \| good	0.322 \| good
2025-10-29T21:00:00.000Z	38 \| good	7.092 \| good	29.845 \| good	28.021 \| good	0.308 \| good	18.628 \| good	0.248 \| good
2025-10-29T22:00:00.000Z	33 \| good	6.31 \| good	31.694 \| good	33.737 \| good	0.47 \| good	19.109 \| good	0.23 \| good
2025-10-29T22:00:00.000Z	33 \| good	6.31 \| good	31.694 \| good	33.737 \| good	0.47 \| good	19.109 \| good	0.23 \| good
2025-10-29T09:00:00.000Z	79 \| moderate	24.082 \| fine	104.794 \| fine	15.342 \| good	1.977 \| good	37.075 \| good	0.464 \| good
2025-10-29T10:00:00.000Z	67 \| moderate	18.118 \| fine	80.845 \| fine	14.761 \| good	1.644 \| good	32.62 \| good	0.426 \| good
2025-10-29T11:00:00.000Z	58 \| moderate	13.175 \| fine	58.993 \| fine	15.445 \| good	1.31 \| good	28.164 \| good	0.388 \| good
2025-10-29T12:00:00.000Z	52 \| moderate	9.821 \| good	43.936 \| good	19.544 \| good	0.976 \| good	23.709 \| good	0.35 \| good
2025-10-29T13:00:00.000Z	52 \| moderate	10.039 \| good	44.874 \| good	12.374 \| good	0.971 \| good	21.507 \| good	0.372 \| good
2025-10-29T14:00:00.000Z	52 \| moderate	10.4 \| good	45.837 \| good	10.021 \| good	0.966 \| good	19.305 \| good	0.394 \| good
2025-10-29T15:00:00.000Z	54 \| moderate	10.951 \| good	47.907 \| good	11.497 \| good	0.962 \| good	17.103 \| good	0.416 \| good
2025-10-29T16:00:00.000Z	56 \| moderate	12.047 \| good	53.942 \| good	15.447 \| good	1.269 \| good	19.133 \| good	0.419 \| good
2025-10-29T17:00:00.000Z	62 \| moderate	14.675 \| fine	65.019 \| fine	21.558 \| good	1.577 \| good	21.163 \| good	0.422 \| good
2025-10-29T18:00:00.000Z	62 \| moderate	14.525 \| fine	65.033 \| fine	29.468 \| good	1.885 \| good	23.193 \| good	0.426 \| good
2025-10-29T19:00:00.000Z	60 \| moderate	13.707 \| fine	61.071 \| fine	37.155 \| good	2.033 \| good	20.733 \| good	0.371 \| good
2025-10-29T20:00:00.000Z	60 \| moderate	14.48 \| fine	65.029 \| fine	42.172 \| good	2.182 \| good	18.274 \| good	0.316 \| good
2025-10-29T21:00:00.000Z	58 \| moderate	13.196 \| fine	59.071 \| fine	49.617 \| good	2.331 \| good	15.814 \| good	0.262 \| good
2025-10-29T22:00:00.000Z	54 \| moderate	11.269 \| good	49.971 \| good	54.601 \| good	2.313 \| good	17.221 \| good	0.259 \| good
2025-10-29T23:00:00.000Z	58 \| moderate	12.328 \| fine	55.007 \| fine	56.819 \| fine	2.296 \| good	18.629 \| good	0.257 \| good
2025-10-30T00:00:00.000Z	69 \| moderate	19.009 \| fine	84.946 \| fine	48.964 \| good	2.279 \| good	20.037 \| good	0.254 \| good
2025-10-30T01:00:00.000Z	90 \| moderate	30.344 \| fine	130.818 \| fine	33.903 \| good	2.423 \| good	26.761 \| good	0.301 \| good
2025-10-30T02:00:00.000Z	96 \| moderate	33.087 \| fine	142.716 \| fine	24.943 \| good	2.567 \| good	33.484 \| good	0.347 \| good
2025-10-30T03:00:00.000Z	102 \| sensitive	36.029 \| moderate	156.586 \| moderate	17.934 \| good	2.711 \| good	40.207 \| good	0.394 \| good
2025-10-30T04:00:00.000Z	107 \| sensitive	38.307 \| moderate	168.452 \| moderate	14.885 \| good	2.881 \| good	39.594 \| good	0.416 \| good
2025-10-30T05:00:00.000Z	107 \| sensitive	38.331 \| moderate	168.444 \| moderate	14.134 \| good	3.051 \| good	38.98 \| good	0.439 \| good
2025-10-30T06:00:00.000Z	96 \| moderate	33.413 \| fine	144.554 \| fine	13.203 \| good	3.221 \| good	38.367 \| good	0.462 \| good
2025-10-30T07:00:00.000Z	90 \| moderate	29.954 \| fine	130.573 \| fine	13.406 \| good	2.743 \| good	35.653 \| good	0.458 \| good
2025-10-30T08:00:00.000Z	86 \| moderate	28.441 \| fine	122.681 \| fine	17.439 \| good	2.265 \| good	32.939 \| good	0.454 \| good
2025-10-30T09:00:00.000Z	86 \| moderate	27.84 \| fine	120.666 \| fine	16.587 \| good	1.787 \| good	30.225 \| good	0.451 \| good
2025-10-30T10:00:00.000Z	88 \| moderate	28.92 \| fine	126.554 \| fine	13.227 \| good	1.491 \| good	28.037 \| good	0.428 \| good
2025-10-30T11:00:00.000Z	88 \| moderate	28.77 \| fine	124.582 \| fine	13.479 \| good	1.194 \| good	25.848 \| good	0.406 \| good
2025-10-30T12:00:00.000Z	86 \| moderate	28.349 \| fine	122.73 \| fine	20.475 \| good	0.898 \| good	23.66 \| good	0.384 \| good
2025-10-30T13:00:00.000Z	86 \| moderate	28.266 \| fine	122.657 \| fine	17.769 \| good	0.981 \| good	22.415 \| good	0.419 \| good
2025-10-30T14:00:00.000Z	82 \| moderate	25.664 \| fine	112.497 \| fine	16.409 \| good	1.063 \| good	21.17 \| good	0.454 \| good
2025-10-30T15:00:00.000Z	86 \| moderate	27.929 \| fine	120.478 \| fine	15.671 \| good	1.146 \| good	19.925 \| good	0.489 \| good
2025-10-30T16:00:00.000Z	92 \| moderate	30.862 \| fine	134.338 \| fine	20.474 \| good	1.961 \| good	22.697 \| good	0.5 \| good
2025-10-30T17:00:00.000Z	90 \| moderate	30.402 \| fine	130.764 \| fine	27.722 \| good	2.776 \| good	25.47 \| good	0.512 \| good
2025-10-30T18:00:00.000Z	73 \| moderate	20.54 \| fine	89.275 \| fine	35.232 \| good	3.591 \| good	28.242 \| good	0.523 \| good
2025-10-30T19:00:00.000Z	56 \| moderate	11.526 \| good	51.273 \| good	43.367 \| good	3.731 \| good	27.203 \| good	0.477 \| good
2025-10-30T20:00:00.000Z	44 \| good	8.024 \| good	35.118 \| good	45.921 \| good	3.872 \| good	26.163 \| good	0.431 \| good
2025-10-30T21:00:00.000Z	38 \| good	7.052 \| good	31.093 \| good	41.448 \| good	4.012 \| good	25.123 \| good	0.384 \| good
2025-10-30T22:00:00.000Z	44 \| good	7.533 \| good	33.081 \| good	42.923 \| good	3.708 \| good	25.167 \| good	0.362 \| good
2025-10-30T23:00:00.000Z	44 \| good	7.751 \| good	34.021 \| good	41.544 \| good	3.404 \| good	25.212 \| good	0.339 \| good
2025-10-31T00:00:00.000Z	44 \| good	8.129 \| good	35.984 \| good	41.795 \| good	3.1 \| good	25.256 \| good	0.316 \| good
2025-10-31T01:00:00.000Z	49 \| good	9.461 \| good	41.946 \| good	37.492 \| good	3.011 \| good	31.235 \| good	0.429 \| good
2025-10-31T02:00:00.000Z	52 \| moderate	10.364 \| good	45.971 \| good	37 \| good	2.922 \| good	37.215 \| good	0.543 \| good
2025-10-31T03:00:00.000Z	54 \| moderate	10.584 \| good	46.961 \| good	35.974 \| good	2.833 \| good	43.194 \| good	0.656 \| good
2025-10-31T04:00:00.000Z	54 \| moderate	10.986 \| good	48.024 \| good	34.708 \| good	2.805 \| good	42.661 \| good	0.666 \| good
2025-10-31T05:00:00.000Z	54 \| moderate	11.063 \| good	49.03 \| good	32.628 \| good	2.776 \| good	42.128 \| good	0.676 \| good
2025-10-31T06:00:00.000Z	94 \| moderate	31.953 \| fine	36.162 \| good	4.747 \| good	2.765 \| good	41.938 \| good	0.692 \| good
2025-10-31T07:00:00.000Z	52 \| moderate	9.658 \| good	42.964 \| good	32.738 \| good	2.53 \| good	39.917 \| good	0.659 \| good
2025-10-31T08:00:00.000Z	52 \| moderate	10.185 \| good	44.983 \| good	31.717 \| good	2.311 \| good	38.239 \| good	0.632 \| good

San Diego

Get reliable air quality data to drive your business

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

0.34ppm

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

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 05:00:00 on 2025-10-29.

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 08:00:00 on 2025-10-28.

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

As of now, the AQI in San Diego, California is 71, 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 19.995 μg/m³.

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

The PM₁₀ concentration in San Diego, California is 30.258 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 0.356 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 0.5 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 22.871 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 25.187 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-27T23:00:00.000Z	56 \| moderate	12.044 \| good	25.533 \| good	43.226 \| good	0.417 \| good	13.106 \| good	0.292 \| good
2025-10-28T00:00:00.000Z	56 \| moderate	11.521 \| good	23.47 \| good	43.202 \| good	0.443 \| good	9.31 \| good	0.318 \| good
2025-10-28T01:00:00.000Z	54 \| moderate	10.997 \| good	23.296 \| good	44.078 \| good	0.436 \| good	10.257 \| good	0.318 \| good
2025-10-28T02:00:00.000Z	54 \| moderate	10.98 \| good	22.296 \| good	42.053 \| good	0.386 \| good	12.36 \| good	0.354 \| good
2025-10-28T03:00:00.000Z	49 \| good	9.292 \| good	41.886 \| good	32.62 \| good	2.19 \| good	25.176 \| good	0.256 \| good
2025-10-28T04:00:00.000Z	56 \| moderate	12.317 \| fine	24.183 \| good	38.767 \| good	0.395 \| good	23.393 \| good	0.447 \| good
2025-10-28T05:00:00.000Z	58 \| moderate	13.299 \| fine	24.216 \| good	40.542 \| good	0.392 \| good	22.53 \| good	0.472 \| good
2025-10-28T06:00:00.000Z	60 \| moderate	13.984 \| fine	25.205 \| good	39.282 \| good	0.425 \| good	31.353 \| good	0.472 \| good
2025-10-28T07:00:00.000Z	62 \| moderate	14.947 \| fine	25.257 \| good	37.174 \| good	0.427 \| good	26.239 \| good	0.472 \| good
2025-10-28T08:00:00.000Z	64 \| moderate	16.393 \| fine	26.225 \| good	28.425 \| good	0.334 \| good	27.11 \| good	0.51 \| good
2025-10-28T09:00:00.000Z	66 \| moderate	16.908 \| fine	27.342 \| good	24.599 \| good	0.426 \| good	23.417 \| good	0.473 \| good
2025-10-28T10:00:00.000Z	67 \| moderate	17.514 \| fine	27.458 \| good	20.781 \| good	0.365 \| good	21.958 \| good	0.443 \| good
2025-10-28T11:00:00.000Z	67 \| moderate	17.571 \| fine	28.642 \| good	20.748 \| good	0.365 \| good	19.762 \| good	0.399 \| good
2025-10-28T12:00:00.000Z	67 \| moderate	17.721 \| fine	28.881 \| good	20.729 \| good	0.401 \| good	21.683 \| good	0.48 \| good
2025-10-28T13:00:00.000Z	67 \| moderate	17.721 \| fine	28.881 \| good	20.693 \| good	0.404 \| good	21.932 \| good	0.48 \| good
2025-10-28T14:00:00.000Z	66 \| moderate	17.078 \| fine	31.233 \| good	3.27 \| good	0.42 \| good	24.191 \| good	0.646 \| good
2025-10-28T15:00:00.000Z	66 \| moderate	17.393 \| fine	34.23 \| good	2.381 \| good	0.539 \| good	27.517 \| good	0.683 \| good
2025-10-28T16:00:00.000Z	67 \| moderate	17.875 \| fine	39.458 \| good	2.503 \| good	0.62 \| good	34.473 \| good	0.701 \| good
2025-10-28T17:00:00.000Z	69 \| moderate	19.449 \| fine	44.273 \| good	4.746 \| good	0.461 \| good	37.917 \| good	0.534 \| good
2025-10-28T18:00:00.000Z	73 \| moderate	20.984 \| fine	47.271 \| good	9.802 \| good	0.462 \| good	35.422 \| good	0.421 \| good
2025-10-28T19:00:00.000Z	73 \| moderate	21.293 \| fine	45.239 \| good	16.862 \| good	0.362 \| good	36.519 \| good	0.322 \| good
2025-10-28T20:00:00.000Z	71 \| moderate	20.351 \| fine	42.001 \| good	30.52 \| good	0.31 \| good	27.408 \| good	0.266 \| good
2025-10-28T21:00:00.000Z	73 \| moderate	20.679 \| fine	41.535 \| good	40.43 \| good	0.397 \| good	34.308 \| good	0.267 \| good
2025-10-28T22:00:00.000Z	73 \| moderate	20.691 \| fine	42.358 \| good	48.197 \| good	0.585 \| good	17.663 \| good	0.248 \| good
2025-10-28T23:00:00.000Z	73 \| moderate	20.736 \| fine	41.463 \| good	52.119 \| good	1.431 \| good	8.746 \| good	0.248 \| good
2025-10-29T00:00:00.000Z	73 \| moderate	21.226 \| fine	41.404 \| good	54.973 \| good	1.73 \| good	7.62 \| good	0.248 \| good
2025-10-29T01:00:00.000Z	73 \| moderate	21.043 \| fine	41.363 \| good	52.052 \| good	0.792 \| good	20.17 \| good	0.248 \| good
2025-10-29T02:00:00.000Z	73 \| moderate	21.317 \| fine	41.217 \| good	47.997 \| good	0.49 \| good	25.913 \| good	0.266 \| good
2025-10-29T03:00:00.000Z	73 \| moderate	20.773 \| fine	36.591 \| good	44.091 \| good	0.304 \| good	28.988 \| good	0.273 \| good
2025-10-29T04:00:00.000Z	73 \| moderate	21.214 \| fine	35.556 \| good	35.197 \| good	0.35 \| good	32.041 \| good	0.293 \| good
2025-10-29T05:00:00.000Z	75 \| moderate	22.172 \| fine	36.16 \| good	28.077 \| good	0.441 \| good	27.56 \| good	0.318 \| good
2025-10-29T06:00:00.000Z	73 \| moderate	21.197 \| fine	33.013 \| good	22.811 \| good	0.521 \| good	22.066 \| good	0.356 \| good
2025-10-29T07:00:00.000Z	71 \| moderate	19.995 \| fine	30.258 \| good	22.871 \| good	0.5 \| good	25.187 \| good	0.356 \| good
2025-10-29T08:00:00.000Z	71 \| moderate	20.015 \| fine	30.672 \| good	10.284 \| good	0.464 \| good	26.691 \| good	0.367 \| good
2025-10-29T09:00:00.000Z	73 \| moderate	20.611 \| fine	31.967 \| good	7.676 \| good	0.475 \| good	27.351 \| good	0.378 \| good
2025-10-29T10:00:00.000Z	71 \| moderate	20.229 \| fine	32.727 \| good	8.864 \| good	0.386 \| good	18.633 \| good	0.36 \| good
2025-10-29T11:00:00.000Z	64 \| moderate	16.421 \| fine	28.649 \| good	8.806 \| good	0.394 \| good	16.819 \| good	0.322 \| good
2025-10-29T12:00:00.000Z	58 \| moderate	13.292 \| fine	24.095 \| good	8.775 \| good	0.447 \| good	17.226 \| good	0.377 \| good
2025-10-29T13:00:00.000Z	58 \| moderate	13.292 \| fine	24.095 \| good	8.715 \| good	0.449 \| good	18.062 \| good	0.378 \| good
2025-10-29T14:00:00.000Z	52 \| moderate	10.212 \| good	26.036 \| good	5.658 \| good	0.631 \| good	26.967 \| good	0.558 \| good
2025-10-29T15:00:00.000Z	54 \| moderate	11.356 \| good	44.207 \| good	9.314 \| good	0.598 \| good	29.248 \| good	0.736 \| good
2025-10-29T16:00:00.000Z	71 \| moderate	20.271 \| fine	73.8 \| fine	12.347 \| good	0.583 \| good	34.009 \| good	0.762 \| good
2025-10-29T17:00:00.000Z	62 \| moderate	15.247 \| fine	63.378 \| fine	12.918 \| good	0.46 \| good	31.358 \| good	0.801 \| good
2025-10-29T18:00:00.000Z	62 \| moderate	15.457 \| fine	60.911 \| fine	12.21 \| good	0.421 \| good	28.309 \| good	0.583 \| good
2025-10-29T19:00:00.000Z	54 \| moderate	11.382 \| good	47.411 \| good	18.968 \| good	0.326 \| good	24.65 \| good	0.415 \| good
2025-10-29T20:00:00.000Z	44 \| good	8.469 \| good	35.743 \| good	25.963 \| good	0.264 \| good	23.44 \| good	0.322 \| good
2025-10-29T21:00:00.000Z	38 \| good	7.092 \| good	29.845 \| good	28.021 \| good	0.308 \| good	18.628 \| good	0.248 \| good
2025-10-29T22:00:00.000Z	33 \| good	6.31 \| good	31.694 \| good	33.737 \| good	0.47 \| good	19.109 \| good	0.23 \| good
2025-10-29T22:00:00.000Z	33 \| good	6.31 \| good	31.694 \| good	33.737 \| good	0.47 \| good	19.109 \| good	0.23 \| good
2025-10-29T09:00:00.000Z	79 \| moderate	24.082 \| fine	104.794 \| fine	15.342 \| good	1.977 \| good	37.075 \| good	0.464 \| good
2025-10-29T10:00:00.000Z	67 \| moderate	18.118 \| fine	80.845 \| fine	14.761 \| good	1.644 \| good	32.62 \| good	0.426 \| good
2025-10-29T11:00:00.000Z	58 \| moderate	13.175 \| fine	58.993 \| fine	15.445 \| good	1.31 \| good	28.164 \| good	0.388 \| good
2025-10-29T12:00:00.000Z	52 \| moderate	9.821 \| good	43.936 \| good	19.544 \| good	0.976 \| good	23.709 \| good	0.35 \| good
2025-10-29T13:00:00.000Z	52 \| moderate	10.039 \| good	44.874 \| good	12.374 \| good	0.971 \| good	21.507 \| good	0.372 \| good
2025-10-29T14:00:00.000Z	52 \| moderate	10.4 \| good	45.837 \| good	10.021 \| good	0.966 \| good	19.305 \| good	0.394 \| good
2025-10-29T15:00:00.000Z	54 \| moderate	10.951 \| good	47.907 \| good	11.497 \| good	0.962 \| good	17.103 \| good	0.416 \| good
2025-10-29T16:00:00.000Z	56 \| moderate	12.047 \| good	53.942 \| good	15.447 \| good	1.269 \| good	19.133 \| good	0.419 \| good
2025-10-29T17:00:00.000Z	62 \| moderate	14.675 \| fine	65.019 \| fine	21.558 \| good	1.577 \| good	21.163 \| good	0.422 \| good
2025-10-29T18:00:00.000Z	62 \| moderate	14.525 \| fine	65.033 \| fine	29.468 \| good	1.885 \| good	23.193 \| good	0.426 \| good
2025-10-29T19:00:00.000Z	60 \| moderate	13.707 \| fine	61.071 \| fine	37.155 \| good	2.033 \| good	20.733 \| good	0.371 \| good
2025-10-29T20:00:00.000Z	60 \| moderate	14.48 \| fine	65.029 \| fine	42.172 \| good	2.182 \| good	18.274 \| good	0.316 \| good
2025-10-29T21:00:00.000Z	58 \| moderate	13.196 \| fine	59.071 \| fine	49.617 \| good	2.331 \| good	15.814 \| good	0.262 \| good
2025-10-29T22:00:00.000Z	54 \| moderate	11.269 \| good	49.971 \| good	54.601 \| good	2.313 \| good	17.221 \| good	0.259 \| good
2025-10-29T23:00:00.000Z	58 \| moderate	12.328 \| fine	55.007 \| fine	56.819 \| fine	2.296 \| good	18.629 \| good	0.257 \| good
2025-10-30T00:00:00.000Z	69 \| moderate	19.009 \| fine	84.946 \| fine	48.964 \| good	2.279 \| good	20.037 \| good	0.254 \| good
2025-10-30T01:00:00.000Z	90 \| moderate	30.344 \| fine	130.818 \| fine	33.903 \| good	2.423 \| good	26.761 \| good	0.301 \| good
2025-10-30T02:00:00.000Z	96 \| moderate	33.087 \| fine	142.716 \| fine	24.943 \| good	2.567 \| good	33.484 \| good	0.347 \| good
2025-10-30T03:00:00.000Z	102 \| sensitive	36.029 \| moderate	156.586 \| moderate	17.934 \| good	2.711 \| good	40.207 \| good	0.394 \| good
2025-10-30T04:00:00.000Z	107 \| sensitive	38.307 \| moderate	168.452 \| moderate	14.885 \| good	2.881 \| good	39.594 \| good	0.416 \| good
2025-10-30T05:00:00.000Z	107 \| sensitive	38.331 \| moderate	168.444 \| moderate	14.134 \| good	3.051 \| good	38.98 \| good	0.439 \| good
2025-10-30T06:00:00.000Z	96 \| moderate	33.413 \| fine	144.554 \| fine	13.203 \| good	3.221 \| good	38.367 \| good	0.462 \| good
2025-10-30T07:00:00.000Z	90 \| moderate	29.954 \| fine	130.573 \| fine	13.406 \| good	2.743 \| good	35.653 \| good	0.458 \| good
2025-10-30T08:00:00.000Z	86 \| moderate	28.441 \| fine	122.681 \| fine	17.439 \| good	2.265 \| good	32.939 \| good	0.454 \| good
2025-10-30T09:00:00.000Z	86 \| moderate	27.84 \| fine	120.666 \| fine	16.587 \| good	1.787 \| good	30.225 \| good	0.451 \| good
2025-10-30T10:00:00.000Z	88 \| moderate	28.92 \| fine	126.554 \| fine	13.227 \| good	1.491 \| good	28.037 \| good	0.428 \| good
2025-10-30T11:00:00.000Z	88 \| moderate	28.77 \| fine	124.582 \| fine	13.479 \| good	1.194 \| good	25.848 \| good	0.406 \| good
2025-10-30T12:00:00.000Z	86 \| moderate	28.349 \| fine	122.73 \| fine	20.475 \| good	0.898 \| good	23.66 \| good	0.384 \| good
2025-10-30T13:00:00.000Z	86 \| moderate	28.266 \| fine	122.657 \| fine	17.769 \| good	0.981 \| good	22.415 \| good	0.419 \| good
2025-10-30T14:00:00.000Z	82 \| moderate	25.664 \| fine	112.497 \| fine	16.409 \| good	1.063 \| good	21.17 \| good	0.454 \| good
2025-10-30T15:00:00.000Z	86 \| moderate	27.929 \| fine	120.478 \| fine	15.671 \| good	1.146 \| good	19.925 \| good	0.489 \| good
2025-10-30T16:00:00.000Z	92 \| moderate	30.862 \| fine	134.338 \| fine	20.474 \| good	1.961 \| good	22.697 \| good	0.5 \| good
2025-10-30T17:00:00.000Z	90 \| moderate	30.402 \| fine	130.764 \| fine	27.722 \| good	2.776 \| good	25.47 \| good	0.512 \| good
2025-10-30T18:00:00.000Z	73 \| moderate	20.54 \| fine	89.275 \| fine	35.232 \| good	3.591 \| good	28.242 \| good	0.523 \| good
2025-10-30T19:00:00.000Z	56 \| moderate	11.526 \| good	51.273 \| good	43.367 \| good	3.731 \| good	27.203 \| good	0.477 \| good
2025-10-30T20:00:00.000Z	44 \| good	8.024 \| good	35.118 \| good	45.921 \| good	3.872 \| good	26.163 \| good	0.431 \| good
2025-10-30T21:00:00.000Z	38 \| good	7.052 \| good	31.093 \| good	41.448 \| good	4.012 \| good	25.123 \| good	0.384 \| good
2025-10-30T22:00:00.000Z	44 \| good	7.533 \| good	33.081 \| good	42.923 \| good	3.708 \| good	25.167 \| good	0.362 \| good
2025-10-30T23:00:00.000Z	44 \| good	7.751 \| good	34.021 \| good	41.544 \| good	3.404 \| good	25.212 \| good	0.339 \| good
2025-10-31T00:00:00.000Z	44 \| good	8.129 \| good	35.984 \| good	41.795 \| good	3.1 \| good	25.256 \| good	0.316 \| good
2025-10-31T01:00:00.000Z	49 \| good	9.461 \| good	41.946 \| good	37.492 \| good	3.011 \| good	31.235 \| good	0.429 \| good
2025-10-31T02:00:00.000Z	52 \| moderate	10.364 \| good	45.971 \| good	37 \| good	2.922 \| good	37.215 \| good	0.543 \| good
2025-10-31T03:00:00.000Z	54 \| moderate	10.584 \| good	46.961 \| good	35.974 \| good	2.833 \| good	43.194 \| good	0.656 \| good
2025-10-31T04:00:00.000Z	54 \| moderate	10.986 \| good	48.024 \| good	34.708 \| good	2.805 \| good	42.661 \| good	0.666 \| good
2025-10-31T05:00:00.000Z	54 \| moderate	11.063 \| good	49.03 \| good	32.628 \| good	2.776 \| good	42.128 \| good	0.676 \| good
2025-10-31T06:00:00.000Z	94 \| moderate	31.953 \| fine	36.162 \| good	4.747 \| good	2.765 \| good	41.938 \| good	0.692 \| good
2025-10-31T07:00:00.000Z	52 \| moderate	9.658 \| good	42.964 \| good	32.738 \| good	2.53 \| good	39.917 \| good	0.659 \| good
2025-10-31T08:00:00.000Z	52 \| moderate	10.185 \| good	44.983 \| good	31.717 \| good	2.311 \| good	38.239 \| good	0.632 \| 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?