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

The PM10 concentration in San Diego, California is 8.022 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 0.213 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 25.247 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 9.6 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 3.195 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)

3.19 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.02 μg/m³

155

255

425

605+

Ozone (O₃)

25.25 ppb

201

201+

Sulfur Dioxide (SO₂)

0.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.60 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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
2026-10-21T08:00:00.000Z	38 \| good	6.788 \| good	20.051 \| good	24.849 \| good	0.368 \| good	5.082 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.786 \| good	19.084 \| good	20.897 \| good	0.429 \| good	14.428 \| good	0.229 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.69 \| good	19.053 \| good	16.023 \| good	0.356 \| good	10.055 \| good	0.244 \| good
2026-10-21T11:00:00.000Z	38 \| good	6.789 \| good	19.053 \| good	17.942 \| good	0.33 \| good	16.535 \| good	0.283 \| good
2026-10-21T12:00:00.000Z	38 \| good	6.892 \| good	19.074 \| good	15.08 \| good	0.406 \| good	15.912 \| good	0.305 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.309 \| good	19.231 \| good	9.18 \| good	0.406 \| good	15.75 \| good	0.305 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.259 \| good	21.472 \| good	7.134 \| good	0.404 \| good	18.081 \| good	0.511 \| good
2026-10-21T15:00:00.000Z	52 \| moderate	10.497 \| good	27.452 \| good	9.104 \| good	0.525 \| good	21.103 \| good	0.573 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	13.113 \| fine	37.405 \| good	9.327 \| good	0.512 \| good	24.289 \| good	0.549 \| good
2026-10-21T17:00:00.000Z	69 \| moderate	18.876 \| fine	54.062 \| good	9.47 \| good	0.51 \| good	15.341 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	69 \| moderate	18.969 \| fine	54.995 \| good	23.085 \| good	0.343 \| good	13.758 \| good	0.355 \| good
2026-10-21T19:00:00.000Z	69 \| moderate	18.81 \| fine	54.222 \| good	25.304 \| good	0.461 \| good	11.705 \| good	0.329 \| good
2026-10-21T20:00:00.000Z	58 \| moderate	12.733 \| fine	46.882 \| good	30.271 \| good	0.444 \| good	12.282 \| good	0.291 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.002 \| good	24.018 \| good	26.661 \| good	0.549 \| good	11.455 \| good	0.309 \| good
2026-10-21T22:00:00.000Z	33 \| good	6.374 \| good	20.436 \| good	26.774 \| good	0.542 \| good	9.095 \| good	0.27 \| good
2026-10-21T23:00:00.000Z	33 \| good	5.864 \| good	20.321 \| good	27.768 \| good	0.555 \| good	9.766 \| good	0.305 \| good
2026-10-22T00:00:00.000Z	33 \| good	6.42 \| good	28.238 \| good	27.761 \| good	0.54 \| good	8.559 \| good	0.316 \| good
2026-10-22T01:00:00.000Z	38 \| good	7.262 \| good	31.052 \| good	27.604 \| good	0.496 \| good	11.316 \| good	0.36 \| good
2026-10-22T02:00:00.000Z	38 \| good	7.443 \| good	29.895 \| good	26.538 \| good	0.468 \| good	16.079 \| good	0.362 \| good
2026-10-22T03:00:00.000Z	33 \| good	4.566 \| good	19.982 \| good	35.953 \| good	0.362 \| good	9.252 \| good	0.131 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.359 \| good	21.92 \| good	23.258 \| good	0.407 \| good	8.21 \| good	0.262 \| good
2026-10-22T05:00:00.000Z	27 \| good	5.354 \| good	16.92 \| good	23.223 \| good	0.559 \| good	8.609 \| good	0.244 \| good
2026-10-22T06:00:00.000Z	22 \| good	4.465 \| good	13.928 \| good	24.187 \| good	0.254 \| good	6.686 \| good	0.248 \| good
2026-10-22T07:00:00.000Z	22 \| good	3.781 \| good	11.958 \| good	24.134 \| good	0.254 \| good	9.179 \| good	0.248 \| good
2026-10-22T08:00:00.000Z	21 \| good	3.391 \| good	10.939 \| good	23.153 \| good	0.257 \| good	3.632 \| good	0.181 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.103 \| good	9.045 \| good	24.127 \| good	0.313 \| good	2.256 \| good	0.144 \| good
2026-10-22T10:00:00.000Z	22 \| good	3.004 \| good	9.059 \| good	24.122 \| good	0.256 \| good	4.771 \| good	0.144 \| good
2026-10-22T11:00:00.000Z	22 \| good	2.707 \| good	8.041 \| good	24.11 \| good	0.261 \| good	10.874 \| good	0.218 \| good
2026-10-22T12:00:00.000Z	22 \| good	2.316 \| good	7.06 \| good	24.105 \| good	0.256 \| good	9.703 \| good	0.262 \| good
2026-10-22T13:00:00.000Z	23 \| good	2.219 \| good	7.052 \| good	24.976 \| good	0.256 \| good	11.586 \| good	0.262 \| good
2026-10-22T14:00:00.000Z	24 \| good	2.314 \| good	7.07 \| good	26.021 \| good	0.256 \| good	15.869 \| good	0.394 \| good
2026-10-22T15:00:00.000Z	23 \| good	2.414 \| good	7.096 \| good	25.241 \| good	0.278 \| good	19.368 \| good	0.473 \| good
2026-10-22T16:00:00.000Z	24 \| good	2.317 \| good	7.114 \| good	26.454 \| good	0.293 \| good	18.046 \| good	0.475 \| good
2026-10-22T17:00:00.000Z	28 \| good	2.218 \| good	7.079 \| good	29.543 \| good	0.253 \| good	13.243 \| good	0.322 \| good
2026-10-22T18:00:00.000Z	28 \| good	2.019 \| good	7.033 \| good	29.579 \| good	0.235 \| good	9.51 \| good	0.239 \| good
2026-10-22T19:00:00.000Z	28 \| good	1.91 \| good	6.058 \| good	29.609 \| good	0.183 \| good	7.38 \| good	0.22 \| good
2026-10-22T20:00:00.000Z	29 \| good	1.805 \| good	6.12 \| good	30.563 \| good	0.209 \| good	5.607 \| good	0.204 \| good
2026-10-22T21:00:00.000Z	29 \| good	1.906 \| good	6.025 \| good	30.635 \| good	0.199 \| good	4.719 \| good	0.218 \| good
2026-10-22T22:00:00.000Z	28 \| good	2.008 \| good	6.043 \| good	29.651 \| good	0.264 \| good	6.428 \| good	0.24 \| good
2026-10-22T23:00:00.000Z	28 \| good	2.112 \| good	6.077 \| good	29.581 \| good	0.264 \| good	5.208 \| good	0.264 \| good
2026-10-23T00:00:00.000Z	26 \| good	2.215 \| good	6.089 \| good	27.617 \| good	0.291 \| good	4.096 \| good	0.226 \| good
2026-10-23T01:00:00.000Z	26 \| good	2.404 \| good	6.07 \| good	28.474 \| good	0.293 \| good	14.843 \| good	0.274 \| good
2026-10-23T02:00:00.000Z	26 \| good	2.599 \| good	7.035 \| good	28.418 \| good	0.198 \| good	9.489 \| good	0.274 \| good
2026-10-23T03:00:00.000Z	31 \| good	3.461 \| good	14.961 \| good	34.39 \| good	0.457 \| good	19.328 \| good	0.201 \| good
2026-10-23T04:00:00.000Z	24 \| good	2.993 \| good	7.066 \| good	26.474 \| good	0.196 \| good	7.61 \| good	0.27 \| good
2026-10-23T05:00:00.000Z	23 \| good	3.189 \| good	8.022 \| good	25.237 \| good	0.398 \| good	12.27 \| good	0.283 \| good
2026-10-23T06:00:00.000Z	23 \| good	3.195 \| good	8.022 \| good	25.247 \| good	0.213 \| good	9.6 \| good	0.268 \| good
2026-10-23T07:00:00.000Z	22 \| good	2.999 \| good	7.074 \| good	24.212 \| good	0.242 \| good	12.072 \| good	0.268 \| good
2026-10-23T07:00:00.000Z	23 \| good	3.195 \| good	8.022 \| good	25.247 \| good	0.213 \| good	9.6 \| good	0.268 \| good
2026-10-23T08:00:00.000Z	24 \| good	3.622 \| good	15.949 \| good	25.533 \| good	0.5 \| good	18.365 \| good	0.271 \| good
2026-10-23T09:00:00.000Z	23 \| good	4.099 \| good	17.953 \| good	24.713 \| good	0.464 \| good	18.318 \| good	0.255 \| good
2026-10-23T10:00:00.000Z	27 \| good	4.781 \| good	20.947 \| good	25.107 \| good	0.437 \| good	18.011 \| good	0.243 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.241 \| good	18.969 \| good	21.953 \| good	0.412 \| good	17.392 \| good	0.233 \| good
2026-10-23T12:00:00.000Z	27 \| good	4.815 \| good	20.951 \| good	18.522 \| good	0.403 \| good	16.772 \| good	0.225 \| good
2026-10-23T13:00:00.000Z	27 \| good	5.13 \| good	21.96 \| good	14.812 \| good	0.409 \| good	16.328 \| good	0.223 \| good
2026-10-23T14:00:00.000Z	33 \| good	6.289 \| good	27.83 \| good	15.06 \| good	0.465 \| good	15.899 \| good	0.229 \| good
2026-10-23T15:00:00.000Z	44 \| good	8.23 \| good	35.891 \| good	14.666 \| good	0.579 \| good	14.373 \| good	0.251 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	11.237 \| good	49.809 \| good	25.701 \| good	0.693 \| good	12.199 \| good	0.225 \| good
2026-10-23T17:00:00.000Z	44 \| good	8.363 \| good	36.891 \| good	32.688 \| good	0.647 \| good	5.448 \| good	0.164 \| good
2026-10-23T18:00:00.000Z	38 \| good	6.526 \| good	29.055 \| good	40.364 \| good	0.518 \| good	3.495 \| good	0.145 \| good
2026-10-23T19:00:00.000Z	41 \| good	5.624 \| good	24.029 \| good	43.647 \| good	0.427 \| good	2.591 \| good	0.137 \| good
2026-10-23T20:00:00.000Z	39 \| good	5.004 \| good	21.986 \| good	41.606 \| good	0.357 \| good	2.024 \| good	0.131 \| good
2026-10-23T21:00:00.000Z	35 \| good	4.64 \| good	19.998 \| good	38.38 \| good	0.309 \| good	1.653 \| good	0.126 \| good
2026-10-23T22:00:00.000Z	37 \| good	4.759 \| good	20.98 \| good	39.731 \| good	0.289 \| good	1.46 \| good	0.122 \| good
2026-10-23T23:00:00.000Z	39 \| good	5.079 \| good	21.985 \| good	42.404 \| good	0.315 \| good	1.541 \| good	0.121 \| good
2026-10-24T00:00:00.000Z	44 \| good	6.036 \| good	26.951 \| good	47.538 \| good	0.389 \| good	2.063 \| good	0.122 \| good
2026-10-24T01:00:00.000Z	44 \| good	6.717 \| good	29.994 \| good	47.398 \| good	0.489 \| good	3.436 \| good	0.127 \| good
2026-10-24T02:00:00.000Z	41 \| good	6.379 \| good	27.965 \| good	43.826 \| good	0.593 \| good	8.936 \| good	0.147 \| good
2026-10-24T03:00:00.000Z	36 \| good	5.907 \| good	26.84 \| good	38.787 \| good	0.714 \| good	16.406 \| good	0.173 \| good
2026-10-24T04:00:00.000Z	33 \| good	5.756 \| good	24.914 \| good	35.875 \| good	0.837 \| good	23.408 \| good	0.199 \| good
2026-10-24T05:00:00.000Z	31 \| good	5.357 \| good	22.942 \| good	34.333 \| good	0.889 \| good	24.316 \| good	0.224 \| good
2026-10-24T06:00:00.000Z	31 \| good	5.111 \| good	21.959 \| good	34.082 \| good	0.863 \| good	22.665 \| good	0.247 \| good
2026-10-24T07:00:00.000Z	30 \| good	5.426 \| good	22.976 \| good	32.341 \| good	0.761 \| good	21.024 \| good	0.263 \| good
2026-10-24T08:00:00.000Z	33 \| good	5.563 \| good	23.93 \| good	30.066 \| good	0.644 \| good	19.585 \| good	0.27 \| good
2026-10-24T09:00:00.000Z	33 \| good	5.99 \| good	26.855 \| good	28.087 \| good	0.543 \| good	18.351 \| good	0.274 \| good
2026-10-24T10:00:00.000Z	33 \| good	6.354 \| good	27.904 \| good	27.86 \| good	0.461 \| good	17.449 \| good	0.275 \| good
2026-10-24T11:00:00.000Z	33 \| good	6.158 \| good	26.932 \| good	25.753 \| good	0.423 \| good	16.238 \| good	0.269 \| good
2026-10-24T12:00:00.000Z	33 \| good	6.261 \| good	27.928 \| good	21.145 \| good	0.353 \| good	15.874 \| good	0.269 \| good
2026-10-24T13:00:00.000Z	38 \| good	7.027 \| good	30.957 \| good	23.853 \| good	0.347 \| good	14.758 \| good	0.272 \| good
2026-10-24T14:00:00.000Z	38 \| good	6.93 \| good	30.834 \| good	25.522 \| good	0.394 \| good	13.757 \| good	0.288 \| good
2026-10-24T15:00:00.000Z	44 \| good	7.839 \| good	33.952 \| good	29.821 \| good	0.487 \| good	11.275 \| good	0.315 \| good
2026-10-24T16:00:00.000Z	52 \| moderate	9.537 \| good	42.813 \| good	34.538 \| good	0.616 \| good	10.551 \| good	0.331 \| good
2026-10-24T17:00:00.000Z	44 \| good	8.242 \| good	35.942 \| good	37.971 \| good	0.877 \| good	6.979 \| good	0.16 \| good
2026-10-24T18:00:00.000Z	44 \| good	8.054 \| good	35.002 \| good	43.534 \| good	1.057 \| good	4.82 \| good	0.152 \| good
2026-10-24T19:00:00.000Z	44 \| good	7.958 \| good	34.975 \| good	47.327 \| good	1.081 \| good	3.692 \| good	0.149 \| good
2026-10-24T20:00:00.000Z	44 \| good	8.022 \| good	35.032 \| good	47.341 \| good	1.051 \| good	2.825 \| good	0.146 \| good
2026-10-24T21:00:00.000Z	46 \| good	8.439 \| good	36.993 \| good	49.641 \| good	1.041 \| good	2.293 \| good	0.145 \| good
2026-10-24T22:00:00.000Z	44 \| good	7.898 \| good	34.963 \| good	47.207 \| good	1.053 \| good	2.054 \| good	0.145 \| good
2026-10-24T23:00:00.000Z	44 \| good	7.819 \| good	34.022 \| good	44.567 \| good	1.086 \| good	2.186 \| good	0.145 \| good
2026-10-25T00:00:00.000Z	44 \| good	8.155 \| good	35.965 \| good	44.649 \| good	1.119 \| good	2.868 \| good	0.146 \| good
2026-10-25T01:00:00.000Z	49 \| good	8.869 \| good	38.959 \| good	42.055 \| good	1.158 \| good	5.071 \| good	0.152 \| good
2026-10-25T02:00:00.000Z	49 \| good	8.985 \| good	40.852 \| good	43.404 \| good	1.211 \| good	11.088 \| good	0.174 \| good
2026-10-25T03:00:00.000Z	49 \| good	9.377 \| good	41.879 \| good	41.876 \| good	1.271 \| good	17.796 \| good	0.197 \| good
2026-10-25T04:00:00.000Z	49 \| good	8.694 \| good	37.921 \| good	37.776 \| good	1.274 \| good	23.768 \| good	0.219 \| good
2026-10-25T05:00:00.000Z	44 \| good	7.972 \| good	34.911 \| good	34.227 \| good	1.217 \| good	24.188 \| good	0.239 \| good
2026-10-25T06:00:00.000Z	38 \| good	6.94 \| good	30.899 \| good	32.155 \| good	1.129 \| good	22.281 \| good	0.256 \| good
2026-10-25T07:00:00.000Z	44 \| good	7.975 \| good	34.928 \| good	27.981 \| good	0.979 \| good	20.681 \| good	0.27 \| good

San Diego

Get reliable air quality data to drive your business

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

0.27ppm

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.

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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 03:00:00 on 2026-10-23.

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 2026-10-22.

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

As of now, the AQI in San Diego, California is 23, indicating Good conditions.

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

San Diego, California air has the highest levels of O3.

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 3.195 μg/m³.

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

The PM₁₀ concentration in San Diego, California is 8.022 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 0.268 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 0.213 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 25.247 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 9.6 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T08:00:00.000Z	38 \| good	6.788 \| good	20.051 \| good	24.849 \| good	0.368 \| good	5.082 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.786 \| good	19.084 \| good	20.897 \| good	0.429 \| good	14.428 \| good	0.229 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.69 \| good	19.053 \| good	16.023 \| good	0.356 \| good	10.055 \| good	0.244 \| good
2026-10-21T11:00:00.000Z	38 \| good	6.789 \| good	19.053 \| good	17.942 \| good	0.33 \| good	16.535 \| good	0.283 \| good
2026-10-21T12:00:00.000Z	38 \| good	6.892 \| good	19.074 \| good	15.08 \| good	0.406 \| good	15.912 \| good	0.305 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.309 \| good	19.231 \| good	9.18 \| good	0.406 \| good	15.75 \| good	0.305 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.259 \| good	21.472 \| good	7.134 \| good	0.404 \| good	18.081 \| good	0.511 \| good
2026-10-21T15:00:00.000Z	52 \| moderate	10.497 \| good	27.452 \| good	9.104 \| good	0.525 \| good	21.103 \| good	0.573 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	13.113 \| fine	37.405 \| good	9.327 \| good	0.512 \| good	24.289 \| good	0.549 \| good
2026-10-21T17:00:00.000Z	69 \| moderate	18.876 \| fine	54.062 \| good	9.47 \| good	0.51 \| good	15.341 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	69 \| moderate	18.969 \| fine	54.995 \| good	23.085 \| good	0.343 \| good	13.758 \| good	0.355 \| good
2026-10-21T19:00:00.000Z	69 \| moderate	18.81 \| fine	54.222 \| good	25.304 \| good	0.461 \| good	11.705 \| good	0.329 \| good
2026-10-21T20:00:00.000Z	58 \| moderate	12.733 \| fine	46.882 \| good	30.271 \| good	0.444 \| good	12.282 \| good	0.291 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.002 \| good	24.018 \| good	26.661 \| good	0.549 \| good	11.455 \| good	0.309 \| good
2026-10-21T22:00:00.000Z	33 \| good	6.374 \| good	20.436 \| good	26.774 \| good	0.542 \| good	9.095 \| good	0.27 \| good
2026-10-21T23:00:00.000Z	33 \| good	5.864 \| good	20.321 \| good	27.768 \| good	0.555 \| good	9.766 \| good	0.305 \| good
2026-10-22T00:00:00.000Z	33 \| good	6.42 \| good	28.238 \| good	27.761 \| good	0.54 \| good	8.559 \| good	0.316 \| good
2026-10-22T01:00:00.000Z	38 \| good	7.262 \| good	31.052 \| good	27.604 \| good	0.496 \| good	11.316 \| good	0.36 \| good
2026-10-22T02:00:00.000Z	38 \| good	7.443 \| good	29.895 \| good	26.538 \| good	0.468 \| good	16.079 \| good	0.362 \| good
2026-10-22T03:00:00.000Z	33 \| good	4.566 \| good	19.982 \| good	35.953 \| good	0.362 \| good	9.252 \| good	0.131 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.359 \| good	21.92 \| good	23.258 \| good	0.407 \| good	8.21 \| good	0.262 \| good
2026-10-22T05:00:00.000Z	27 \| good	5.354 \| good	16.92 \| good	23.223 \| good	0.559 \| good	8.609 \| good	0.244 \| good
2026-10-22T06:00:00.000Z	22 \| good	4.465 \| good	13.928 \| good	24.187 \| good	0.254 \| good	6.686 \| good	0.248 \| good
2026-10-22T07:00:00.000Z	22 \| good	3.781 \| good	11.958 \| good	24.134 \| good	0.254 \| good	9.179 \| good	0.248 \| good
2026-10-22T08:00:00.000Z	21 \| good	3.391 \| good	10.939 \| good	23.153 \| good	0.257 \| good	3.632 \| good	0.181 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.103 \| good	9.045 \| good	24.127 \| good	0.313 \| good	2.256 \| good	0.144 \| good
2026-10-22T10:00:00.000Z	22 \| good	3.004 \| good	9.059 \| good	24.122 \| good	0.256 \| good	4.771 \| good	0.144 \| good
2026-10-22T11:00:00.000Z	22 \| good	2.707 \| good	8.041 \| good	24.11 \| good	0.261 \| good	10.874 \| good	0.218 \| good
2026-10-22T12:00:00.000Z	22 \| good	2.316 \| good	7.06 \| good	24.105 \| good	0.256 \| good	9.703 \| good	0.262 \| good
2026-10-22T13:00:00.000Z	23 \| good	2.219 \| good	7.052 \| good	24.976 \| good	0.256 \| good	11.586 \| good	0.262 \| good
2026-10-22T14:00:00.000Z	24 \| good	2.314 \| good	7.07 \| good	26.021 \| good	0.256 \| good	15.869 \| good	0.394 \| good
2026-10-22T15:00:00.000Z	23 \| good	2.414 \| good	7.096 \| good	25.241 \| good	0.278 \| good	19.368 \| good	0.473 \| good
2026-10-22T16:00:00.000Z	24 \| good	2.317 \| good	7.114 \| good	26.454 \| good	0.293 \| good	18.046 \| good	0.475 \| good
2026-10-22T17:00:00.000Z	28 \| good	2.218 \| good	7.079 \| good	29.543 \| good	0.253 \| good	13.243 \| good	0.322 \| good
2026-10-22T18:00:00.000Z	28 \| good	2.019 \| good	7.033 \| good	29.579 \| good	0.235 \| good	9.51 \| good	0.239 \| good
2026-10-22T19:00:00.000Z	28 \| good	1.91 \| good	6.058 \| good	29.609 \| good	0.183 \| good	7.38 \| good	0.22 \| good
2026-10-22T20:00:00.000Z	29 \| good	1.805 \| good	6.12 \| good	30.563 \| good	0.209 \| good	5.607 \| good	0.204 \| good
2026-10-22T21:00:00.000Z	29 \| good	1.906 \| good	6.025 \| good	30.635 \| good	0.199 \| good	4.719 \| good	0.218 \| good
2026-10-22T22:00:00.000Z	28 \| good	2.008 \| good	6.043 \| good	29.651 \| good	0.264 \| good	6.428 \| good	0.24 \| good
2026-10-22T23:00:00.000Z	28 \| good	2.112 \| good	6.077 \| good	29.581 \| good	0.264 \| good	5.208 \| good	0.264 \| good
2026-10-23T00:00:00.000Z	26 \| good	2.215 \| good	6.089 \| good	27.617 \| good	0.291 \| good	4.096 \| good	0.226 \| good
2026-10-23T01:00:00.000Z	26 \| good	2.404 \| good	6.07 \| good	28.474 \| good	0.293 \| good	14.843 \| good	0.274 \| good
2026-10-23T02:00:00.000Z	26 \| good	2.599 \| good	7.035 \| good	28.418 \| good	0.198 \| good	9.489 \| good	0.274 \| good
2026-10-23T03:00:00.000Z	31 \| good	3.461 \| good	14.961 \| good	34.39 \| good	0.457 \| good	19.328 \| good	0.201 \| good
2026-10-23T04:00:00.000Z	24 \| good	2.993 \| good	7.066 \| good	26.474 \| good	0.196 \| good	7.61 \| good	0.27 \| good
2026-10-23T05:00:00.000Z	23 \| good	3.189 \| good	8.022 \| good	25.237 \| good	0.398 \| good	12.27 \| good	0.283 \| good
2026-10-23T06:00:00.000Z	23 \| good	3.195 \| good	8.022 \| good	25.247 \| good	0.213 \| good	9.6 \| good	0.268 \| good
2026-10-23T07:00:00.000Z	22 \| good	2.999 \| good	7.074 \| good	24.212 \| good	0.242 \| good	12.072 \| good	0.268 \| good
2026-10-23T07:00:00.000Z	23 \| good	3.195 \| good	8.022 \| good	25.247 \| good	0.213 \| good	9.6 \| good	0.268 \| good
2026-10-23T08:00:00.000Z	24 \| good	3.622 \| good	15.949 \| good	25.533 \| good	0.5 \| good	18.365 \| good	0.271 \| good
2026-10-23T09:00:00.000Z	23 \| good	4.099 \| good	17.953 \| good	24.713 \| good	0.464 \| good	18.318 \| good	0.255 \| good
2026-10-23T10:00:00.000Z	27 \| good	4.781 \| good	20.947 \| good	25.107 \| good	0.437 \| good	18.011 \| good	0.243 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.241 \| good	18.969 \| good	21.953 \| good	0.412 \| good	17.392 \| good	0.233 \| good
2026-10-23T12:00:00.000Z	27 \| good	4.815 \| good	20.951 \| good	18.522 \| good	0.403 \| good	16.772 \| good	0.225 \| good
2026-10-23T13:00:00.000Z	27 \| good	5.13 \| good	21.96 \| good	14.812 \| good	0.409 \| good	16.328 \| good	0.223 \| good
2026-10-23T14:00:00.000Z	33 \| good	6.289 \| good	27.83 \| good	15.06 \| good	0.465 \| good	15.899 \| good	0.229 \| good
2026-10-23T15:00:00.000Z	44 \| good	8.23 \| good	35.891 \| good	14.666 \| good	0.579 \| good	14.373 \| good	0.251 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	11.237 \| good	49.809 \| good	25.701 \| good	0.693 \| good	12.199 \| good	0.225 \| good
2026-10-23T17:00:00.000Z	44 \| good	8.363 \| good	36.891 \| good	32.688 \| good	0.647 \| good	5.448 \| good	0.164 \| good
2026-10-23T18:00:00.000Z	38 \| good	6.526 \| good	29.055 \| good	40.364 \| good	0.518 \| good	3.495 \| good	0.145 \| good
2026-10-23T19:00:00.000Z	41 \| good	5.624 \| good	24.029 \| good	43.647 \| good	0.427 \| good	2.591 \| good	0.137 \| good
2026-10-23T20:00:00.000Z	39 \| good	5.004 \| good	21.986 \| good	41.606 \| good	0.357 \| good	2.024 \| good	0.131 \| good
2026-10-23T21:00:00.000Z	35 \| good	4.64 \| good	19.998 \| good	38.38 \| good	0.309 \| good	1.653 \| good	0.126 \| good
2026-10-23T22:00:00.000Z	37 \| good	4.759 \| good	20.98 \| good	39.731 \| good	0.289 \| good	1.46 \| good	0.122 \| good
2026-10-23T23:00:00.000Z	39 \| good	5.079 \| good	21.985 \| good	42.404 \| good	0.315 \| good	1.541 \| good	0.121 \| good
2026-10-24T00:00:00.000Z	44 \| good	6.036 \| good	26.951 \| good	47.538 \| good	0.389 \| good	2.063 \| good	0.122 \| good
2026-10-24T01:00:00.000Z	44 \| good	6.717 \| good	29.994 \| good	47.398 \| good	0.489 \| good	3.436 \| good	0.127 \| good
2026-10-24T02:00:00.000Z	41 \| good	6.379 \| good	27.965 \| good	43.826 \| good	0.593 \| good	8.936 \| good	0.147 \| good
2026-10-24T03:00:00.000Z	36 \| good	5.907 \| good	26.84 \| good	38.787 \| good	0.714 \| good	16.406 \| good	0.173 \| good
2026-10-24T04:00:00.000Z	33 \| good	5.756 \| good	24.914 \| good	35.875 \| good	0.837 \| good	23.408 \| good	0.199 \| good
2026-10-24T05:00:00.000Z	31 \| good	5.357 \| good	22.942 \| good	34.333 \| good	0.889 \| good	24.316 \| good	0.224 \| good
2026-10-24T06:00:00.000Z	31 \| good	5.111 \| good	21.959 \| good	34.082 \| good	0.863 \| good	22.665 \| good	0.247 \| good
2026-10-24T07:00:00.000Z	30 \| good	5.426 \| good	22.976 \| good	32.341 \| good	0.761 \| good	21.024 \| good	0.263 \| good
2026-10-24T08:00:00.000Z	33 \| good	5.563 \| good	23.93 \| good	30.066 \| good	0.644 \| good	19.585 \| good	0.27 \| good
2026-10-24T09:00:00.000Z	33 \| good	5.99 \| good	26.855 \| good	28.087 \| good	0.543 \| good	18.351 \| good	0.274 \| good
2026-10-24T10:00:00.000Z	33 \| good	6.354 \| good	27.904 \| good	27.86 \| good	0.461 \| good	17.449 \| good	0.275 \| good
2026-10-24T11:00:00.000Z	33 \| good	6.158 \| good	26.932 \| good	25.753 \| good	0.423 \| good	16.238 \| good	0.269 \| good
2026-10-24T12:00:00.000Z	33 \| good	6.261 \| good	27.928 \| good	21.145 \| good	0.353 \| good	15.874 \| good	0.269 \| good
2026-10-24T13:00:00.000Z	38 \| good	7.027 \| good	30.957 \| good	23.853 \| good	0.347 \| good	14.758 \| good	0.272 \| good
2026-10-24T14:00:00.000Z	38 \| good	6.93 \| good	30.834 \| good	25.522 \| good	0.394 \| good	13.757 \| good	0.288 \| good
2026-10-24T15:00:00.000Z	44 \| good	7.839 \| good	33.952 \| good	29.821 \| good	0.487 \| good	11.275 \| good	0.315 \| good
2026-10-24T16:00:00.000Z	52 \| moderate	9.537 \| good	42.813 \| good	34.538 \| good	0.616 \| good	10.551 \| good	0.331 \| good
2026-10-24T17:00:00.000Z	44 \| good	8.242 \| good	35.942 \| good	37.971 \| good	0.877 \| good	6.979 \| good	0.16 \| good
2026-10-24T18:00:00.000Z	44 \| good	8.054 \| good	35.002 \| good	43.534 \| good	1.057 \| good	4.82 \| good	0.152 \| good
2026-10-24T19:00:00.000Z	44 \| good	7.958 \| good	34.975 \| good	47.327 \| good	1.081 \| good	3.692 \| good	0.149 \| good
2026-10-24T20:00:00.000Z	44 \| good	8.022 \| good	35.032 \| good	47.341 \| good	1.051 \| good	2.825 \| good	0.146 \| good
2026-10-24T21:00:00.000Z	46 \| good	8.439 \| good	36.993 \| good	49.641 \| good	1.041 \| good	2.293 \| good	0.145 \| good
2026-10-24T22:00:00.000Z	44 \| good	7.898 \| good	34.963 \| good	47.207 \| good	1.053 \| good	2.054 \| good	0.145 \| good
2026-10-24T23:00:00.000Z	44 \| good	7.819 \| good	34.022 \| good	44.567 \| good	1.086 \| good	2.186 \| good	0.145 \| good
2026-10-25T00:00:00.000Z	44 \| good	8.155 \| good	35.965 \| good	44.649 \| good	1.119 \| good	2.868 \| good	0.146 \| good
2026-10-25T01:00:00.000Z	49 \| good	8.869 \| good	38.959 \| good	42.055 \| good	1.158 \| good	5.071 \| good	0.152 \| good
2026-10-25T02:00:00.000Z	49 \| good	8.985 \| good	40.852 \| good	43.404 \| good	1.211 \| good	11.088 \| good	0.174 \| good
2026-10-25T03:00:00.000Z	49 \| good	9.377 \| good	41.879 \| good	41.876 \| good	1.271 \| good	17.796 \| good	0.197 \| good
2026-10-25T04:00:00.000Z	49 \| good	8.694 \| good	37.921 \| good	37.776 \| good	1.274 \| good	23.768 \| good	0.219 \| good
2026-10-25T05:00:00.000Z	44 \| good	7.972 \| good	34.911 \| good	34.227 \| good	1.217 \| good	24.188 \| good	0.239 \| good
2026-10-25T06:00:00.000Z	38 \| good	6.94 \| good	30.899 \| good	32.155 \| good	1.129 \| good	22.281 \| good	0.256 \| good
2026-10-25T07:00:00.000Z	44 \| good	7.975 \| good	34.928 \| good	27.981 \| good	0.979 \| good	20.681 \| good	0.27 \| 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)

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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

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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