What is the current concentration of PM10 in La Mesa, California?

The current PM10 concentration at La Mesa, California is 20.008 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in La Mesa, California?

The current sulfur dioxide (SO2) concentration at La Mesa, California is 0.459 ppb.

What is the current concentration of ozone (O3) in La Mesa, California?

The current ozone (O3) concentration at La Mesa, California is 31.569 ppm.

What is the current concentration of nitrogen dioxide (NO2) in La Mesa, California?

The current nitrogen dioxide (NO2) concentration at La Mesa, California is 14.276 ppb.

La Mesa, California live air quality index now

Q: What is the current concentration of PM2.5 in La Mesa, California?

The current PM2.5 concentration at La Mesa, California is 4.597 μg/m3.

Stay updated with real-time air quality in La Mesa, 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

La Mesa, California

Last updated: ... (Local time)

Major air pollutants in La Mesa, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.01 μg/m³

155

255

425

605+

Ozone (O₃)

31.57 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.28 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

La Mesa, California

Get Live Pollen Counts

La Mesa, California

Scroll To Air Quality Map

Track live La Mesa, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T05:00:00.000Z	38 \| good	7.356 \| good	23.464 \| good	28.099 \| good	0.637 \| good	9.14 \| good	0.251 \| good
2026-10-21T06:00:00.000Z	38 \| good	6.89 \| good	22.257 \| good	27.932 \| good	0.407 \| good	7.97 \| good	0.246 \| good
2026-10-21T07:00:00.000Z	38 \| good	6.709 \| good	21.438 \| good	27.932 \| good	0.406 \| good	10.42 \| good	0.246 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.596 \| good	20.288 \| good	25.209 \| good	0.365 \| good	12.04 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.639 \| good	20.173 \| good	20.765 \| good	0.423 \| good	13.389 \| good	0.23 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.824 \| good	20.779 \| good	18.116 \| good	0.349 \| good	11.421 \| good	0.243 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.186 \| good	21.244 \| good	18.449 \| good	0.328 \| good	14.917 \| good	0.282 \| good
2026-10-21T12:00:00.000Z	38 \| good	7.234 \| good	22.114 \| good	17.949 \| good	0.399 \| good	14.157 \| good	0.305 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.448 \| good	22.338 \| good	15.033 \| good	0.4 \| good	15.282 \| good	0.305 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.02 \| good	23.327 \| good	12.212 \| good	0.402 \| good	18.106 \| good	0.51 \| good
2026-10-21T15:00:00.000Z	44 \| good	8.432 \| good	25.639 \| good	12.539 \| good	0.523 \| good	17.637 \| good	0.573 \| good
2026-10-21T16:00:00.000Z	52 \| moderate	9.998 \| good	31.599 \| good	16.261 \| good	0.512 \| good	19.644 \| good	0.548 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	12.547 \| fine	42.069 \| good	17.139 \| good	0.512 \| good	19.639 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	14.23 \| fine	55.696 \| fine	26.261 \| good	0.341 \| good	19.58 \| good	0.355 \| good
2026-10-21T19:00:00.000Z	56 \| moderate	12.433 \| fine	50.519 \| good	30.054 \| good	0.457 \| good	14.586 \| good	0.33 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	10.587 \| good	46.838 \| good	33.562 \| good	0.445 \| good	11.59 \| good	0.29 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.727 \| good	35.542 \| good	38.947 \| good	0.555 \| good	7.893 \| good	0.309 \| good
2026-10-21T22:00:00.000Z	38 \| good	7.232 \| good	29.61 \| good	38.372 \| good	0.553 \| good	6.219 \| good	0.269 \| good
2026-10-21T23:00:00.000Z	38 \| good	6.545 \| good	29.091 \| good	40.406 \| good	0.571 \| good	6.534 \| good	0.304 \| good
2026-10-22T00:00:00.000Z	37 \| good	6.325 \| good	33.084 \| good	39.896 \| good	0.554 \| good	7.186 \| good	0.314 \| good
2026-10-22T01:00:00.000Z	33 \| good	6.226 \| good	32.836 \| good	36.196 \| good	0.509 \| good	9.596 \| good	0.358 \| good
2026-10-22T02:00:00.000Z	33 \| good	6.152 \| good	28.667 \| good	35.219 \| good	0.469 \| good	14.226 \| good	0.361 \| good
2026-10-22T03:00:00.000Z	31 \| good	5.001 \| good	21.875 \| good	32.789 \| good	0.367 \| good	6.683 \| good	0.132 \| good
2026-10-22T04:00:00.000Z	27 \| good	5.465 \| good	19.759 \| good	28.178 \| good	0.408 \| good	9.609 \| good	0.262 \| good
2026-10-22T05:00:00.000Z	27 \| good	4.635 \| good	15.047 \| good	27.649 \| good	0.552 \| good	6.68 \| good	0.243 \| good
2026-10-22T06:00:00.000Z	25 \| good	3.852 \| good	11.947 \| good	27.357 \| good	0.251 \| good	5.453 \| good	0.247 \| good
2026-10-22T07:00:00.000Z	21 \| good	3.483 \| good	10.209 \| good	23.425 \| good	0.252 \| good	8.12 \| good	0.247 \| good
2026-10-22T08:00:00.000Z	22 \| good	3.243 \| good	8.961 \| good	24.018 \| good	0.253 \| good	3.639 \| good	0.181 \| good
2026-10-22T09:00:00.000Z	24 \| good	3.049 \| good	8.189 \| good	25.782 \| good	0.308 \| good	2.412 \| good	0.143 \| good
2026-10-22T10:00:00.000Z	22 \| good	2.994 \| good	8.561 \| good	23.652 \| good	0.252 \| good	3.542 \| good	0.143 \| good
2026-10-22T11:00:00.000Z	22 \| good	2.77 \| good	7.481 \| good	23.652 \| good	0.257 \| good	6.323 \| good	0.217 \| good
2026-10-22T12:00:00.000Z	22 \| good	2.512 \| good	6.662 \| good	23.652 \| good	0.251 \| good	7.438 \| good	0.262 \| good
2026-10-22T13:00:00.000Z	21 \| good	2.469 \| good	6.696 \| good	23.377 \| good	0.251 \| good	7.202 \| good	0.262 \| good
2026-10-22T14:00:00.000Z	22 \| good	2.519 \| good	6.811 \| good	24.231 \| good	0.251 \| good	13.129 \| good	0.391 \| good
2026-10-22T15:00:00.000Z	24 \| good	2.682 \| good	7.497 \| good	26.382 \| good	0.278 \| good	18.641 \| good	0.468 \| good
2026-10-22T16:00:00.000Z	31 \| good	2.619 \| good	7.578 \| good	33.14 \| good	0.288 \| good	16.596 \| good	0.471 \| good
2026-10-22T17:00:00.000Z	33 \| good	2.523 \| good	7.397 \| good	35.695 \| good	0.247 \| good	10.374 \| good	0.321 \| good
2026-10-22T18:00:00.000Z	33 \| good	2.297 \| good	7.1 \| good	36.173 \| good	0.228 \| good	7.809 \| good	0.237 \| good
2026-10-22T19:00:00.000Z	34 \| good	2.008 \| good	6.752 \| good	36.688 \| good	0.181 \| good	5.956 \| good	0.219 \| good
2026-10-22T20:00:00.000Z	34 \| good	1.793 \| good	7.279 \| good	37.121 \| good	0.207 \| good	3.285 \| good	0.203 \| good
2026-10-22T21:00:00.000Z	38 \| good	1.813 \| good	6.066 \| good	40.624 \| good	0.197 \| good	4.104 \| good	0.217 \| good
2026-10-22T22:00:00.000Z	37 \| good	1.968 \| good	6.181 \| good	39.745 \| good	0.257 \| good	5.624 \| good	0.24 \| good
2026-10-22T23:00:00.000Z	36 \| good	2.128 \| good	6.833 \| good	38.821 \| good	0.257 \| good	4.029 \| good	0.263 \| good
2026-10-23T00:00:00.000Z	35 \| good	2.21 \| good	6.51 \| good	37.926 \| good	0.283 \| good	3.732 \| good	0.225 \| good
2026-10-23T01:00:00.000Z	33 \| good	2.235 \| good	6.329 \| good	36.445 \| good	0.287 \| good	8.522 \| good	0.273 \| good
2026-10-23T02:00:00.000Z	31 \| good	2.385 \| good	6.495 \| good	34.246 \| good	0.196 \| good	9.908 \| good	0.273 \| good
2026-10-23T03:00:00.000Z	30 \| good	4.597 \| good	20.008 \| good	31.569 \| good	0.459 \| good	14.276 \| good	0.199 \| good
2026-10-23T04:00:00.000Z	27 \| good	2.815 \| good	7.928 \| good	29.277 \| good	0.194 \| good	11.042 \| good	0.269 \| good
2026-10-23T04:00:00.000Z	30 \| good	4.597 \| good	20.008 \| good	31.569 \| good	0.459 \| good	14.276 \| good	0.199 \| good
2026-10-23T04:00:00.000Z	27 \| good	5.08 \| good	22.027 \| good	26.85 \| good	0.573 \| good	16.427 \| good	0.224 \| good
2026-10-23T05:00:00.000Z	25 \| good	4.019 \| good	17.513 \| good	27.4 \| good	0.658 \| good	15.843 \| good	0.249 \| good
2026-10-23T06:00:00.000Z	23 \| good	3.798 \| good	16.324 \| good	24.833 \| good	0.665 \| good	15.086 \| good	0.267 \| good
2026-10-23T07:00:00.000Z	19 \| good	3.457 \| good	15.271 \| good	20.517 \| good	0.579 \| good	14.461 \| good	0.269 \| good
2026-10-23T08:00:00.000Z	22 \| good	3.852 \| good	16.847 \| good	20.63 \| good	0.481 \| good	13.77 \| good	0.249 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.799 \| good	16.711 \| good	22.709 \| good	0.414 \| good	12.827 \| good	0.229 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.438 \| good	19.393 \| good	20.728 \| good	0.373 \| good	12.116 \| good	0.221 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.444 \| good	19.374 \| good	18.436 \| good	0.356 \| good	11.59 \| good	0.216 \| good
2026-10-23T12:00:00.000Z	27 \| good	4.664 \| good	20.274 \| good	17.894 \| good	0.351 \| good	11.111 \| good	0.211 \| good
2026-10-23T13:00:00.000Z	33 \| good	5.545 \| good	24.299 \| good	13.429 \| good	0.36 \| good	10.716 \| good	0.205 \| good
2026-10-23T14:00:00.000Z	33 \| good	6.231 \| good	27.755 \| good	11.251 \| good	0.41 \| good	10.89 \| good	0.212 \| good
2026-10-23T15:00:00.000Z	33 \| good	6.154 \| good	26.983 \| good	20.499 \| good	0.507 \| good	10.027 \| good	0.233 \| good
2026-10-23T16:00:00.000Z	33 \| good	6.144 \| good	26.705 \| good	28.883 \| good	0.637 \| good	8.934 \| good	0.225 \| good
2026-10-23T17:00:00.000Z	32 \| good	5.246 \| good	22.765 \| good	35.384 \| good	0.578 \| good	4.647 \| good	0.16 \| good
2026-10-23T18:00:00.000Z	39 \| good	3.909 \| good	17.035 \| good	42.195 \| good	0.47 \| good	3.074 \| good	0.141 \| good
2026-10-23T19:00:00.000Z	41 \| good	4.432 \| good	19.391 \| good	44.234 \| good	0.408 \| good	2.331 \| good	0.134 \| good
2026-10-23T20:00:00.000Z	42 \| good	4.357 \| good	18.833 \| good	44.589 \| good	0.37 \| good	1.908 \| good	0.129 \| good
2026-10-23T21:00:00.000Z	41 \| good	4.918 \| good	21.36 \| good	43.754 \| good	0.346 \| good	1.61 \| good	0.126 \| good
2026-10-23T22:00:00.000Z	39 \| good	5.27 \| good	22.631 \| good	41.902 \| good	0.338 \| good	1.438 \| good	0.123 \| good
2026-10-23T23:00:00.000Z	39 \| good	5.228 \| good	22.329 \| good	42.12 \| good	0.352 \| good	1.522 \| good	0.123 \| good
2026-10-24T00:00:00.000Z	42 \| good	5.058 \| good	21.841 \| good	44.784 \| good	0.392 \| good	2.002 \| good	0.125 \| good
2026-10-24T01:00:00.000Z	39 \| good	5.427 \| good	23.297 \| good	41.506 \| good	0.453 \| good	3.299 \| good	0.131 \| good
2026-10-24T02:00:00.000Z	40 \| good	5.196 \| good	22.328 \| good	42.979 \| good	0.537 \| good	7.01 \| good	0.15 \| good
2026-10-24T03:00:00.000Z	39 \| good	4.689 \| good	20.61 \| good	41.822 \| good	0.646 \| good	11.949 \| good	0.174 \| good
2026-10-24T04:00:00.000Z	34 \| good	5.262 \| good	22.673 \| good	36.781 \| good	0.755 \| good	17.323 \| good	0.203 \| good
2026-10-24T05:00:00.000Z	31 \| good	5.398 \| good	23.209 \| good	33.993 \| good	0.798 \| good	18.242 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	33 \| good	5.553 \| good	23.91 \| good	30.503 \| good	0.771 \| good	17.208 \| good	0.243 \| good
2026-10-24T07:00:00.000Z	33 \| good	5.546 \| good	23.64 \| good	27.191 \| good	0.675 \| good	16.226 \| good	0.255 \| good
2026-10-24T08:00:00.000Z	33 \| good	5.684 \| good	24.391 \| good	23.9 \| good	0.564 \| good	15.836 \| good	0.261 \| good
2026-10-24T09:00:00.000Z	33 \| good	5.556 \| good	23.993 \| good	26.714 \| good	0.476 \| good	14.713 \| good	0.25 \| good
2026-10-24T10:00:00.000Z	33 \| good	5.953 \| good	26.23 \| good	22.577 \| good	0.413 \| good	14.4 \| good	0.24 \| good
2026-10-24T11:00:00.000Z	27 \| good	4.952 \| good	21.478 \| good	22.382 \| good	0.37 \| good	14.005 \| good	0.227 \| good
2026-10-24T12:00:00.000Z	27 \| good	5.115 \| good	22.238 \| good	21.927 \| good	0.343 \| good	13.324 \| good	0.217 \| good
2026-10-24T13:00:00.000Z	38 \| good	6.576 \| good	29.066 \| good	19.669 \| good	0.323 \| good	12.925 \| good	0.215 \| good
2026-10-24T14:00:00.000Z	38 \| good	6.836 \| good	30.328 \| good	22.634 \| good	0.383 \| good	12.624 \| good	0.223 \| good
2026-10-24T15:00:00.000Z	38 \| good	7.047 \| good	31.139 \| good	27.233 \| good	0.49 \| good	10.937 \| good	0.249 \| good
2026-10-24T16:00:00.000Z	44 \| good	7.885 \| good	34.777 \| good	34.324 \| good	0.604 \| good	10.28 \| good	0.249 \| good
2026-10-24T17:00:00.000Z	39 \| good	7.332 \| good	32.175 \| good	41.585 \| good	0.791 \| good	4.811 \| good	0.154 \| good
2026-10-24T18:00:00.000Z	44 \| good	7.931 \| good	34.975 \| good	47.814 \| good	0.958 \| good	3.092 \| good	0.145 \| good
2026-10-24T19:00:00.000Z	47 \| good	8.232 \| good	36.234 \| good	50.55 \| good	0.985 \| good	2.33 \| good	0.143 \| good
2026-10-24T20:00:00.000Z	47 \| good	7.529 \| good	33.269 \| good	51.291 \| good	0.972 \| good	1.921 \| good	0.142 \| good
2026-10-24T21:00:00.000Z	48 \| good	7.451 \| good	32.798 \| good	52.162 \| good	0.92 \| good	1.607 \| good	0.141 \| good
2026-10-24T22:00:00.000Z	48 \| good	7.914 \| good	34.663 \| good	51.943 \| good	0.898 \| good	1.496 \| good	0.14 \| good
2026-10-24T23:00:00.000Z	49 \| good	8.216 \| good	35.888 \| good	53.146 \| good	0.899 \| good	1.622 \| good	0.14 \| good
2026-10-25T00:00:00.000Z	48 \| good	7.897 \| good	34.626 \| good	52.277 \| good	0.912 \| good	2.161 \| good	0.142 \| good
2026-10-25T01:00:00.000Z	52 \| moderate	9.991 \| good	44.307 \| good	45.309 \| good	0.907 \| good	3.688 \| good	0.147 \| good
2026-10-25T02:00:00.000Z	56 \| moderate	11.759 \| good	52.321 \| good	43.462 \| good	0.925 \| good	7.423 \| good	0.165 \| good
2026-10-25T03:00:00.000Z	56 \| moderate	11.969 \| good	53.61 \| good	38.406 \| good	1.008 \| good	11.584 \| good	0.184 \| good

La Mesa

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La Mesa, California air quality map: Track AQI near you

0.27ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for La Mesa, California updated?

The air quality for La Mesa, California is updated every hour.

When was the worst air quality at La Mesa, California in the last 24 hrs?

The worst air quality in La Mesa, California in the last 24 hours was observed at 09:00:00 on 2026-10-22.

When was the best air quality at La Mesa, California in the last 24 hrs?

In the last 24 hrs, the best air quality in La Mesa, California was observed at 01:00:00 on 2026-10-22.

What is the current air quality in La Mesa, California?

The current air quality in La Mesa, California is 30, categorized as Good based on real-time data.

What pollutant is the most common in La Mesa, California?

The most common pollutant in La Mesa, California is O3.

What should I do if the air quality in La Mesa, California is poor?

If the air quality in La Mesa, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in La Mesa, California?

The current PM_2.5 concentration at La Mesa, California is 4.597 μg/m³.

What is the current concentration of PM₁₀ in La Mesa, California?

The current PM₁₀ concentration at La Mesa, California is 20.008 μg/m³.

What is the current concentration of carbon monoxide (CO) in La Mesa, California?

The current carbon monoxide (CO) concentration at La Mesa, California is 0.199 ppm.

What is the current concentration of sulfur dioxide (SO₂) in La Mesa, California?

The current sulfur dioxide (SO₂) concentration at La Mesa, California is 0.459 ppb.

What is the current concentration of ozone (O₃) in La Mesa, California?

The current ozone (O₃) concentration at La Mesa, California is 31.569 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in La Mesa, California?

The current nitrogen dioxide (NO₂) concentration at La Mesa, California is 14.276 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T05:00:00.000Z	38 \| good	7.356 \| good	23.464 \| good	28.099 \| good	0.637 \| good	9.14 \| good	0.251 \| good
2026-10-21T06:00:00.000Z	38 \| good	6.89 \| good	22.257 \| good	27.932 \| good	0.407 \| good	7.97 \| good	0.246 \| good
2026-10-21T07:00:00.000Z	38 \| good	6.709 \| good	21.438 \| good	27.932 \| good	0.406 \| good	10.42 \| good	0.246 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.596 \| good	20.288 \| good	25.209 \| good	0.365 \| good	12.04 \| good	0.268 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.639 \| good	20.173 \| good	20.765 \| good	0.423 \| good	13.389 \| good	0.23 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.824 \| good	20.779 \| good	18.116 \| good	0.349 \| good	11.421 \| good	0.243 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.186 \| good	21.244 \| good	18.449 \| good	0.328 \| good	14.917 \| good	0.282 \| good
2026-10-21T12:00:00.000Z	38 \| good	7.234 \| good	22.114 \| good	17.949 \| good	0.399 \| good	14.157 \| good	0.305 \| good
2026-10-21T13:00:00.000Z	38 \| good	7.448 \| good	22.338 \| good	15.033 \| good	0.4 \| good	15.282 \| good	0.305 \| good
2026-10-21T14:00:00.000Z	44 \| good	8.02 \| good	23.327 \| good	12.212 \| good	0.402 \| good	18.106 \| good	0.51 \| good
2026-10-21T15:00:00.000Z	44 \| good	8.432 \| good	25.639 \| good	12.539 \| good	0.523 \| good	17.637 \| good	0.573 \| good
2026-10-21T16:00:00.000Z	52 \| moderate	9.998 \| good	31.599 \| good	16.261 \| good	0.512 \| good	19.644 \| good	0.548 \| good
2026-10-21T17:00:00.000Z	58 \| moderate	12.547 \| fine	42.069 \| good	17.139 \| good	0.512 \| good	19.639 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	60 \| moderate	14.23 \| fine	55.696 \| fine	26.261 \| good	0.341 \| good	19.58 \| good	0.355 \| good
2026-10-21T19:00:00.000Z	56 \| moderate	12.433 \| fine	50.519 \| good	30.054 \| good	0.457 \| good	14.586 \| good	0.33 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	10.587 \| good	46.838 \| good	33.562 \| good	0.445 \| good	11.59 \| good	0.29 \| good
2026-10-21T21:00:00.000Z	49 \| good	8.727 \| good	35.542 \| good	38.947 \| good	0.555 \| good	7.893 \| good	0.309 \| good
2026-10-21T22:00:00.000Z	38 \| good	7.232 \| good	29.61 \| good	38.372 \| good	0.553 \| good	6.219 \| good	0.269 \| good
2026-10-21T23:00:00.000Z	38 \| good	6.545 \| good	29.091 \| good	40.406 \| good	0.571 \| good	6.534 \| good	0.304 \| good
2026-10-22T00:00:00.000Z	37 \| good	6.325 \| good	33.084 \| good	39.896 \| good	0.554 \| good	7.186 \| good	0.314 \| good
2026-10-22T01:00:00.000Z	33 \| good	6.226 \| good	32.836 \| good	36.196 \| good	0.509 \| good	9.596 \| good	0.358 \| good
2026-10-22T02:00:00.000Z	33 \| good	6.152 \| good	28.667 \| good	35.219 \| good	0.469 \| good	14.226 \| good	0.361 \| good
2026-10-22T03:00:00.000Z	31 \| good	5.001 \| good	21.875 \| good	32.789 \| good	0.367 \| good	6.683 \| good	0.132 \| good
2026-10-22T04:00:00.000Z	27 \| good	5.465 \| good	19.759 \| good	28.178 \| good	0.408 \| good	9.609 \| good	0.262 \| good
2026-10-22T05:00:00.000Z	27 \| good	4.635 \| good	15.047 \| good	27.649 \| good	0.552 \| good	6.68 \| good	0.243 \| good
2026-10-22T06:00:00.000Z	25 \| good	3.852 \| good	11.947 \| good	27.357 \| good	0.251 \| good	5.453 \| good	0.247 \| good
2026-10-22T07:00:00.000Z	21 \| good	3.483 \| good	10.209 \| good	23.425 \| good	0.252 \| good	8.12 \| good	0.247 \| good
2026-10-22T08:00:00.000Z	22 \| good	3.243 \| good	8.961 \| good	24.018 \| good	0.253 \| good	3.639 \| good	0.181 \| good
2026-10-22T09:00:00.000Z	24 \| good	3.049 \| good	8.189 \| good	25.782 \| good	0.308 \| good	2.412 \| good	0.143 \| good
2026-10-22T10:00:00.000Z	22 \| good	2.994 \| good	8.561 \| good	23.652 \| good	0.252 \| good	3.542 \| good	0.143 \| good
2026-10-22T11:00:00.000Z	22 \| good	2.77 \| good	7.481 \| good	23.652 \| good	0.257 \| good	6.323 \| good	0.217 \| good
2026-10-22T12:00:00.000Z	22 \| good	2.512 \| good	6.662 \| good	23.652 \| good	0.251 \| good	7.438 \| good	0.262 \| good
2026-10-22T13:00:00.000Z	21 \| good	2.469 \| good	6.696 \| good	23.377 \| good	0.251 \| good	7.202 \| good	0.262 \| good
2026-10-22T14:00:00.000Z	22 \| good	2.519 \| good	6.811 \| good	24.231 \| good	0.251 \| good	13.129 \| good	0.391 \| good
2026-10-22T15:00:00.000Z	24 \| good	2.682 \| good	7.497 \| good	26.382 \| good	0.278 \| good	18.641 \| good	0.468 \| good
2026-10-22T16:00:00.000Z	31 \| good	2.619 \| good	7.578 \| good	33.14 \| good	0.288 \| good	16.596 \| good	0.471 \| good
2026-10-22T17:00:00.000Z	33 \| good	2.523 \| good	7.397 \| good	35.695 \| good	0.247 \| good	10.374 \| good	0.321 \| good
2026-10-22T18:00:00.000Z	33 \| good	2.297 \| good	7.1 \| good	36.173 \| good	0.228 \| good	7.809 \| good	0.237 \| good
2026-10-22T19:00:00.000Z	34 \| good	2.008 \| good	6.752 \| good	36.688 \| good	0.181 \| good	5.956 \| good	0.219 \| good
2026-10-22T20:00:00.000Z	34 \| good	1.793 \| good	7.279 \| good	37.121 \| good	0.207 \| good	3.285 \| good	0.203 \| good
2026-10-22T21:00:00.000Z	38 \| good	1.813 \| good	6.066 \| good	40.624 \| good	0.197 \| good	4.104 \| good	0.217 \| good
2026-10-22T22:00:00.000Z	37 \| good	1.968 \| good	6.181 \| good	39.745 \| good	0.257 \| good	5.624 \| good	0.24 \| good
2026-10-22T23:00:00.000Z	36 \| good	2.128 \| good	6.833 \| good	38.821 \| good	0.257 \| good	4.029 \| good	0.263 \| good
2026-10-23T00:00:00.000Z	35 \| good	2.21 \| good	6.51 \| good	37.926 \| good	0.283 \| good	3.732 \| good	0.225 \| good
2026-10-23T01:00:00.000Z	33 \| good	2.235 \| good	6.329 \| good	36.445 \| good	0.287 \| good	8.522 \| good	0.273 \| good
2026-10-23T02:00:00.000Z	31 \| good	2.385 \| good	6.495 \| good	34.246 \| good	0.196 \| good	9.908 \| good	0.273 \| good
2026-10-23T03:00:00.000Z	30 \| good	4.597 \| good	20.008 \| good	31.569 \| good	0.459 \| good	14.276 \| good	0.199 \| good
2026-10-23T04:00:00.000Z	27 \| good	2.815 \| good	7.928 \| good	29.277 \| good	0.194 \| good	11.042 \| good	0.269 \| good
2026-10-23T04:00:00.000Z	30 \| good	4.597 \| good	20.008 \| good	31.569 \| good	0.459 \| good	14.276 \| good	0.199 \| good
2026-10-23T04:00:00.000Z	27 \| good	5.08 \| good	22.027 \| good	26.85 \| good	0.573 \| good	16.427 \| good	0.224 \| good
2026-10-23T05:00:00.000Z	25 \| good	4.019 \| good	17.513 \| good	27.4 \| good	0.658 \| good	15.843 \| good	0.249 \| good
2026-10-23T06:00:00.000Z	23 \| good	3.798 \| good	16.324 \| good	24.833 \| good	0.665 \| good	15.086 \| good	0.267 \| good
2026-10-23T07:00:00.000Z	19 \| good	3.457 \| good	15.271 \| good	20.517 \| good	0.579 \| good	14.461 \| good	0.269 \| good
2026-10-23T08:00:00.000Z	22 \| good	3.852 \| good	16.847 \| good	20.63 \| good	0.481 \| good	13.77 \| good	0.249 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.799 \| good	16.711 \| good	22.709 \| good	0.414 \| good	12.827 \| good	0.229 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.438 \| good	19.393 \| good	20.728 \| good	0.373 \| good	12.116 \| good	0.221 \| good
2026-10-23T11:00:00.000Z	22 \| good	4.444 \| good	19.374 \| good	18.436 \| good	0.356 \| good	11.59 \| good	0.216 \| good
2026-10-23T12:00:00.000Z	27 \| good	4.664 \| good	20.274 \| good	17.894 \| good	0.351 \| good	11.111 \| good	0.211 \| good
2026-10-23T13:00:00.000Z	33 \| good	5.545 \| good	24.299 \| good	13.429 \| good	0.36 \| good	10.716 \| good	0.205 \| good
2026-10-23T14:00:00.000Z	33 \| good	6.231 \| good	27.755 \| good	11.251 \| good	0.41 \| good	10.89 \| good	0.212 \| good
2026-10-23T15:00:00.000Z	33 \| good	6.154 \| good	26.983 \| good	20.499 \| good	0.507 \| good	10.027 \| good	0.233 \| good
2026-10-23T16:00:00.000Z	33 \| good	6.144 \| good	26.705 \| good	28.883 \| good	0.637 \| good	8.934 \| good	0.225 \| good
2026-10-23T17:00:00.000Z	32 \| good	5.246 \| good	22.765 \| good	35.384 \| good	0.578 \| good	4.647 \| good	0.16 \| good
2026-10-23T18:00:00.000Z	39 \| good	3.909 \| good	17.035 \| good	42.195 \| good	0.47 \| good	3.074 \| good	0.141 \| good
2026-10-23T19:00:00.000Z	41 \| good	4.432 \| good	19.391 \| good	44.234 \| good	0.408 \| good	2.331 \| good	0.134 \| good
2026-10-23T20:00:00.000Z	42 \| good	4.357 \| good	18.833 \| good	44.589 \| good	0.37 \| good	1.908 \| good	0.129 \| good
2026-10-23T21:00:00.000Z	41 \| good	4.918 \| good	21.36 \| good	43.754 \| good	0.346 \| good	1.61 \| good	0.126 \| good
2026-10-23T22:00:00.000Z	39 \| good	5.27 \| good	22.631 \| good	41.902 \| good	0.338 \| good	1.438 \| good	0.123 \| good
2026-10-23T23:00:00.000Z	39 \| good	5.228 \| good	22.329 \| good	42.12 \| good	0.352 \| good	1.522 \| good	0.123 \| good
2026-10-24T00:00:00.000Z	42 \| good	5.058 \| good	21.841 \| good	44.784 \| good	0.392 \| good	2.002 \| good	0.125 \| good
2026-10-24T01:00:00.000Z	39 \| good	5.427 \| good	23.297 \| good	41.506 \| good	0.453 \| good	3.299 \| good	0.131 \| good
2026-10-24T02:00:00.000Z	40 \| good	5.196 \| good	22.328 \| good	42.979 \| good	0.537 \| good	7.01 \| good	0.15 \| good
2026-10-24T03:00:00.000Z	39 \| good	4.689 \| good	20.61 \| good	41.822 \| good	0.646 \| good	11.949 \| good	0.174 \| good
2026-10-24T04:00:00.000Z	34 \| good	5.262 \| good	22.673 \| good	36.781 \| good	0.755 \| good	17.323 \| good	0.203 \| good
2026-10-24T05:00:00.000Z	31 \| good	5.398 \| good	23.209 \| good	33.993 \| good	0.798 \| good	18.242 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	33 \| good	5.553 \| good	23.91 \| good	30.503 \| good	0.771 \| good	17.208 \| good	0.243 \| good
2026-10-24T07:00:00.000Z	33 \| good	5.546 \| good	23.64 \| good	27.191 \| good	0.675 \| good	16.226 \| good	0.255 \| good
2026-10-24T08:00:00.000Z	33 \| good	5.684 \| good	24.391 \| good	23.9 \| good	0.564 \| good	15.836 \| good	0.261 \| good
2026-10-24T09:00:00.000Z	33 \| good	5.556 \| good	23.993 \| good	26.714 \| good	0.476 \| good	14.713 \| good	0.25 \| good
2026-10-24T10:00:00.000Z	33 \| good	5.953 \| good	26.23 \| good	22.577 \| good	0.413 \| good	14.4 \| good	0.24 \| good
2026-10-24T11:00:00.000Z	27 \| good	4.952 \| good	21.478 \| good	22.382 \| good	0.37 \| good	14.005 \| good	0.227 \| good
2026-10-24T12:00:00.000Z	27 \| good	5.115 \| good	22.238 \| good	21.927 \| good	0.343 \| good	13.324 \| good	0.217 \| good
2026-10-24T13:00:00.000Z	38 \| good	6.576 \| good	29.066 \| good	19.669 \| good	0.323 \| good	12.925 \| good	0.215 \| good
2026-10-24T14:00:00.000Z	38 \| good	6.836 \| good	30.328 \| good	22.634 \| good	0.383 \| good	12.624 \| good	0.223 \| good
2026-10-24T15:00:00.000Z	38 \| good	7.047 \| good	31.139 \| good	27.233 \| good	0.49 \| good	10.937 \| good	0.249 \| good
2026-10-24T16:00:00.000Z	44 \| good	7.885 \| good	34.777 \| good	34.324 \| good	0.604 \| good	10.28 \| good	0.249 \| good
2026-10-24T17:00:00.000Z	39 \| good	7.332 \| good	32.175 \| good	41.585 \| good	0.791 \| good	4.811 \| good	0.154 \| good
2026-10-24T18:00:00.000Z	44 \| good	7.931 \| good	34.975 \| good	47.814 \| good	0.958 \| good	3.092 \| good	0.145 \| good
2026-10-24T19:00:00.000Z	47 \| good	8.232 \| good	36.234 \| good	50.55 \| good	0.985 \| good	2.33 \| good	0.143 \| good
2026-10-24T20:00:00.000Z	47 \| good	7.529 \| good	33.269 \| good	51.291 \| good	0.972 \| good	1.921 \| good	0.142 \| good
2026-10-24T21:00:00.000Z	48 \| good	7.451 \| good	32.798 \| good	52.162 \| good	0.92 \| good	1.607 \| good	0.141 \| good
2026-10-24T22:00:00.000Z	48 \| good	7.914 \| good	34.663 \| good	51.943 \| good	0.898 \| good	1.496 \| good	0.14 \| good
2026-10-24T23:00:00.000Z	49 \| good	8.216 \| good	35.888 \| good	53.146 \| good	0.899 \| good	1.622 \| good	0.14 \| good
2026-10-25T00:00:00.000Z	48 \| good	7.897 \| good	34.626 \| good	52.277 \| good	0.912 \| good	2.161 \| good	0.142 \| good
2026-10-25T01:00:00.000Z	52 \| moderate	9.991 \| good	44.307 \| good	45.309 \| good	0.907 \| good	3.688 \| good	0.147 \| good
2026-10-25T02:00:00.000Z	56 \| moderate	11.759 \| good	52.321 \| good	43.462 \| good	0.925 \| good	7.423 \| good	0.165 \| good
2026-10-25T03:00:00.000Z	56 \| moderate	11.969 \| good	53.61 \| good	38.406 \| good	1.008 \| good	11.584 \| good	0.184 \| good

La Mesa, California live air quality index now

Major air pollutants in La Mesa, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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La Mesa, California air quality map: Track AQI near you

Air quality in nearby cities

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La Presa, California

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Frequently asked questions

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What is the current concentration of PM2.5 in La Mesa, California?

What is the current concentration of PM10 in La Mesa, California?

What is the current concentration of carbon monoxide (CO) in La Mesa, California?

What is the current concentration of sulfur dioxide (SO2) in La Mesa, California?

What is the current concentration of ozone (O3) in La Mesa, California?

What is the current concentration of nitrogen dioxide (NO2) in La Mesa, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in La Mesa, California?

What is the current concentration of PM₁₀ in La Mesa, California?

What is the current concentration of sulfur dioxide (SO₂) in La Mesa, California?

What is the current concentration of ozone (O₃) in La Mesa, California?

What is the current concentration of nitrogen dioxide (NO₂) in La Mesa, California?