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

The current PM10 concentration at La Mesa, California is 35.161 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 0.714 ppb.

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

The current ozone (O3) concentration at La Mesa, California is 55.746 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 5.256 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 9.246 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)

Moderate

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)

9.25 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.16 μg/m³

155

255

425

605+

Ozone (O₃)

55.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.71 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-04-17T03:00:00.000Z	33 \| good	5.701 \| good	24.522 \| good	33.268 \| good	0.89 \| good	8.085 \| good	0.174 \| good
2026-04-17T04:00:00.000Z	38 \| good	7.046 \| good	19.633 \| good	39.131 \| good	0.5 \| good	8.527 \| good	0.329 \| good
2026-04-17T05:00:00.000Z	38 \| good	7.058 \| good	19.22 \| good	36.39 \| good	0.651 \| good	10.81 \| good	0.329 \| good
2026-04-17T06:00:00.000Z	38 \| good	7.058 \| good	19.22 \| good	36.39 \| good	0.649 \| good	10.724 \| good	0.329 \| good
2026-04-17T07:00:00.000Z	38 \| good	7.396 \| good	20.077 \| good	34.484 \| good	0.449 \| good	10.383 \| good	0.367 \| good
2026-04-17T08:00:00.000Z	44 \| good	7.82 \| good	20.893 \| good	32.247 \| good	0.428 \| good	6.178 \| good	0.32 \| good
2026-04-17T09:00:00.000Z	44 \| good	8.349 \| good	21.498 \| good	30.922 \| good	0.426 \| good	6.172 \| good	0.26 \| good
2026-04-17T10:00:00.000Z	44 \| good	8.481 \| good	22.548 \| good	31.011 \| good	0.428 \| good	4.653 \| good	0.261 \| good
2026-04-17T11:00:00.000Z	49 \| good	8.691 \| good	22.231 \| good	31.011 \| good	0.508 \| good	7.129 \| good	0.27 \| good
2026-04-17T12:00:00.000Z	49 \| good	8.562 \| good	22.065 \| good	31.011 \| good	0.411 \| good	6.755 \| good	0.303 \| good
2026-04-17T13:00:00.000Z	49 \| good	8.609 \| good	21.932 \| good	32.069 \| good	0.424 \| good	7.506 \| good	0.303 \| good
2026-04-17T14:00:00.000Z	49 \| good	8.985 \| good	23.149 \| good	29.503 \| good	0.487 \| good	16.719 \| good	0.415 \| good
2026-04-17T15:00:00.000Z	49 \| good	9.19 \| good	24.438 \| good	31.501 \| good	0.529 \| good	15.431 \| good	0.407 \| good
2026-04-17T16:00:00.000Z	49 \| good	8.961 \| good	27.633 \| good	34.072 \| good	0.525 \| good	11.982 \| good	0.286 \| good
2026-04-17T17:00:00.000Z	49 \| good	8.564 \| good	26.236 \| good	39.588 \| good	0.481 \| good	10.212 \| good	0.242 \| good
2026-04-17T18:00:00.000Z	49 \| good	8.765 \| good	27.735 \| good	42.941 \| good	0.539 \| good	9.943 \| good	0.226 \| good
2026-04-17T19:00:00.000Z	49 \| good	8.768 \| good	27.658 \| good	47.893 \| good	0.53 \| good	5.705 \| good	0.242 \| good
2026-04-17T20:00:00.000Z	49 \| good	8.649 \| good	27.228 \| good	51.278 \| good	0.473 \| good	6.502 \| good	0.264 \| good
2026-04-17T21:00:00.000Z	49 \| good	8.6 \| good	26.868 \| good	52.133 \| good	0.466 \| good	4.561 \| good	0.242 \| good
2026-04-17T22:00:00.000Z	51 \| moderate	9.008 \| good	28.195 \| good	54.786 \| good	0.485 \| good	4.578 \| good	0.221 \| good
2026-04-17T23:00:00.000Z	51 \| moderate	9.165 \| good	28.18 \| good	54.865 \| good	0.488 \| good	4.752 \| good	0.243 \| good
2026-04-18T00:00:00.000Z	49 \| good	9.041 \| good	26.48 \| good	51.213 \| good	0.584 \| good	4.92 \| good	0.264 \| good
2026-04-18T01:00:00.000Z	49 \| good	8.758 \| good	25.149 \| good	49.809 \| good	0.72 \| good	1.947 \| good	0.264 \| good
2026-04-18T02:00:00.000Z	45 \| good	8.498 \| good	23.096 \| good	49.413 \| good	0.754 \| good	2.463 \| good	0.307 \| good
2026-04-18T03:00:00.000Z	44 \| good	8.216 \| good	22.65 \| good	46.246 \| good	0.626 \| good	4.01 \| good	0.35 \| good
2026-04-18T04:00:00.000Z	44 \| good	8.204 \| good	22.3 \| good	43.717 \| good	0.576 \| good	4.434 \| good	0.411 \| good
2026-04-18T05:00:00.000Z	44 \| good	8.168 \| good	22.372 \| good	40.747 \| good	0.777 \| good	7.051 \| good	0.423 \| good
2026-04-18T06:00:00.000Z	44 \| good	8.291 \| good	23.323 \| good	40.747 \| good	0.552 \| good	8.816 \| good	0.488 \| good
2026-04-18T07:00:00.000Z	49 \| good	8.584 \| good	24.797 \| good	35.252 \| good	0.566 \| good	8.804 \| good	0.488 \| good
2026-04-18T08:00:00.000Z	49 \| good	8.942 \| good	24.332 \| good	30.278 \| good	0.59 \| good	11.678 \| good	0.394 \| good
2026-04-18T09:00:00.000Z	52 \| moderate	9.528 \| good	27.694 \| good	26.691 \| good	0.583 \| good	11.223 \| good	0.414 \| good
2026-04-18T10:00:00.000Z	52 \| moderate	9.547 \| good	28.847 \| good	24.584 \| good	0.556 \| good	18.18 \| good	0.435 \| good
2026-04-18T11:00:00.000Z	49 \| good	9.473 \| good	27.091 \| good	24.584 \| good	0.567 \| good	19.322 \| good	0.392 \| good
2026-04-18T12:00:00.000Z	49 \| good	9.297 \| good	27.14 \| good	24.584 \| good	0.498 \| good	18.283 \| good	0.43 \| good
2026-04-18T13:00:00.000Z	49 \| good	9.078 \| good	27.371 \| good	23.975 \| good	0.626 \| good	18.97 \| good	0.438 \| good
2026-04-18T14:00:00.000Z	49 \| good	9.033 \| good	29.33 \| good	22.535 \| good	0.647 \| good	22.293 \| good	0.519 \| good
2026-04-18T15:00:00.000Z	49 \| good	9.14 \| good	29.307 \| good	22.418 \| good	0.739 \| good	21.526 \| good	0.58 \| good
2026-04-18T16:00:00.000Z	52 \| moderate	9.664 \| good	30.214 \| good	26.737 \| good	0.533 \| good	17.254 \| good	0.466 \| good
2026-04-18T17:00:00.000Z	49 \| good	9.5 \| good	30.997 \| good	32.658 \| good	0.545 \| good	13.838 \| good	0.406 \| good
2026-04-18T18:00:00.000Z	52 \| moderate	9.807 \| good	33.777 \| good	40.672 \| good	0.587 \| good	12.186 \| good	0.324 \| good
2026-04-18T19:00:00.000Z	52 \| moderate	9.935 \| good	35.28 \| good	46.725 \| good	0.487 \| good	6.898 \| good	0.286 \| good
2026-04-18T20:00:00.000Z	52 \| moderate	9.769 \| good	34.041 \| good	50.431 \| good	0.47 \| good	5.236 \| good	0.243 \| good
2026-04-18T21:00:00.000Z	49 \| good	9.331 \| good	32.43 \| good	51.49 \| good	0.506 \| good	5.206 \| good	0.264 \| good
2026-04-18T22:00:00.000Z	49 \| good	9.108 \| good	32.448 \| good	51.508 \| good	0.498 \| good	5.484 \| good	0.246 \| good
2026-04-18T23:00:00.000Z	50 \| good	8.992 \| good	33.356 \| good	53.754 \| good	0.619 \| good	5.533 \| good	0.264 \| good
2026-04-19T00:00:00.000Z	49 \| good	9.085 \| good	34.022 \| good	53.191 \| good	0.603 \| good	6.134 \| good	0.308 \| good
2026-04-19T01:00:00.000Z	51 \| moderate	9.185 \| good	34.353 \| good	55.312 \| fine	0.71 \| good	5.325 \| good	0.308 \| good
2026-04-19T02:00:00.000Z	54 \| moderate	9.246 \| good	35.161 \| good	55.746 \| fine	0.714 \| good	5.256 \| good	0.308 \| good
2026-04-19T03:00:00.000Z	52 \| moderate	9.728 \| good	43.509 \| good	38.974 \| good	1.628 \| good	12.416 \| good	0.198 \| good
2026-04-19T04:00:00.000Z	52 \| moderate	10.225 \| good	45.126 \| good	36.055 \| good	1.775 \| good	15.611 \| good	0.229 \| good
2026-04-19T05:00:00.000Z	54 \| moderate	10.852 \| good	48.103 \| good	33.441 \| good	1.922 \| good	18.807 \| good	0.26 \| good
2026-04-19T06:00:00.000Z	56 \| moderate	11.672 \| good	52.156 \| good	32.282 \| good	2.069 \| good	22.002 \| good	0.291 \| good
2026-04-19T07:00:00.000Z	54 \| moderate	11.2 \| good	49.603 \| good	30.39 \| good	1.932 \| good	22.061 \| good	0.299 \| good
2026-04-19T08:00:00.000Z	54 \| moderate	11.042 \| good	49.067 \| good	30.6 \| good	1.796 \| good	22.119 \| good	0.308 \| good
2026-04-19T09:00:00.000Z	54 \| moderate	10.904 \| good	48.567 \| good	30.244 \| good	1.659 \| good	22.178 \| good	0.316 \| good
2026-04-19T10:00:00.000Z	56 \| moderate	12.289 \| fine	55.317 \| fine	24.698 \| good	1.548 \| good	20.843 \| good	0.303 \| good
2026-04-19T11:00:00.000Z	56 \| moderate	11.675 \| good	51.581 \| good	21.407 \| good	1.437 \| good	19.508 \| good	0.29 \| good
2026-04-19T12:00:00.000Z	54 \| moderate	11.209 \| good	50.102 \| good	24.586 \| good	1.325 \| good	18.173 \| good	0.277 \| good
2026-04-19T13:00:00.000Z	58 \| moderate	12.595 \| fine	56.753 \| fine	22.294 \| good	1.324 \| good	17.068 \| good	0.295 \| good
2026-04-19T14:00:00.000Z	58 \| moderate	12.551 \| fine	56.282 \| fine	24.569 \| good	1.323 \| good	15.963 \| good	0.312 \| good
2026-04-19T15:00:00.000Z	62 \| moderate	14.603 \| fine	65.812 \| fine	35.197 \| good	1.322 \| good	14.858 \| good	0.329 \| good
2026-04-19T16:00:00.000Z	62 \| moderate	15.095 \| fine	67.694 \| fine	46.376 \| good	1.585 \| good	12.251 \| good	0.281 \| good
2026-04-19T17:00:00.000Z	60 \| moderate	13.704 \| fine	61.458 \| fine	52.085 \| good	1.847 \| good	9.644 \| good	0.232 \| good
2026-04-19T18:00:00.000Z	56 \| moderate	12.206 \| fine	54.635 \| good	55.325 \| fine	2.11 \| good	7.037 \| good	0.183 \| good
2026-04-19T19:00:00.000Z	61 \| moderate	10.761 \| good	47.641 \| good	57.933 \| fine	1.86 \| good	5.653 \| good	0.171 \| good
2026-04-19T20:00:00.000Z	61 \| moderate	10.163 \| good	45.369 \| good	58.31 \| fine	1.611 \| good	4.269 \| good	0.16 \| good
2026-04-19T21:00:00.000Z	58 \| moderate	8.924 \| good	39.444 \| good	57.411 \| fine	1.362 \| good	2.885 \| good	0.148 \| good
2026-04-19T22:00:00.000Z	51 \| moderate	7.62 \| good	33.388 \| good	54.817 \| good	1.232 \| good	2.7 \| good	0.143 \| good
2026-04-19T23:00:00.000Z	47 \| good	6.556 \| good	29.359 \| good	51.051 \| good	1.103 \| good	2.516 \| good	0.139 \| good
2026-04-20T00:00:00.000Z	50 \| good	6.933 \| good	30.505 \| good	53.683 \| good	0.973 \| good	2.331 \| good	0.134 \| good
2026-04-20T01:00:00.000Z	48 \| good	7.545 \| good	33.213 \| good	51.737 \| good	1.03 \| good	4.125 \| good	0.143 \| good
2026-04-20T02:00:00.000Z	45 \| good	7.27 \| good	32.023 \| good	48.748 \| good	1.088 \| good	5.918 \| good	0.153 \| good
2026-04-20T03:00:00.000Z	42 \| good	7.472 \| good	32.935 \| good	45.105 \| good	1.145 \| good	7.711 \| good	0.162 \| good
2026-04-20T04:00:00.000Z	38 \| good	6.97 \| good	30.568 \| good	40.989 \| good	1.226 \| good	10.581 \| good	0.181 \| good
2026-04-20T05:00:00.000Z	38 \| good	7.136 \| good	31.68 \| good	37.08 \| good	1.308 \| good	13.452 \| good	0.2 \| good
2026-04-20T06:00:00.000Z	44 \| good	7.833 \| good	34.781 \| good	31.389 \| good	1.389 \| good	16.323 \| good	0.219 \| good
2026-04-20T07:00:00.000Z	44 \| good	8.489 \| good	37.398 \| good	27.654 \| good	1.363 \| good	17.395 \| good	0.228 \| good
2026-04-20T08:00:00.000Z	49 \| good	9.154 \| good	40.242 \| good	25.469 \| good	1.336 \| good	18.468 \| good	0.238 \| good
2026-04-20T09:00:00.000Z	49 \| good	8.669 \| good	37.927 \| good	23.663 \| good	1.31 \| good	19.541 \| good	0.247 \| good
2026-04-20T10:00:00.000Z	44 \| good	7.936 \| good	35.142 \| good	22.341 \| good	1.308 \| good	18.214 \| good	0.239 \| good
2026-04-20T11:00:00.000Z	44 \| good	7.749 \| good	33.943 \| good	17.712 \| good	1.305 \| good	16.888 \| good	0.231 \| good
2026-04-20T12:00:00.000Z	44 \| good	8.319 \| good	36.681 \| good	20.599 \| good	1.303 \| good	15.562 \| good	0.223 \| good
2026-04-20T13:00:00.000Z	54 \| moderate	10.939 \| good	48.822 \| good	14.319 \| good	1.293 \| good	14.255 \| good	0.243 \| good
2026-04-20T14:00:00.000Z	56 \| moderate	11.735 \| good	51.937 \| good	18.458 \| good	1.283 \| good	12.949 \| good	0.264 \| good
2026-04-20T15:00:00.000Z	54 \| moderate	11.184 \| good	49.454 \| good	31.733 \| good	1.273 \| good	11.643 \| good	0.284 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.525 \| good	42.605 \| good	42.549 \| good	1.419 \| good	9.45 \| good	0.24 \| good
2026-04-20T17:00:00.000Z	49 \| good	8.956 \| good	39.557 \| good	46.734 \| good	1.565 \| good	7.257 \| good	0.195 \| good
2026-04-20T18:00:00.000Z	49 \| good	8.551 \| good	37.652 \| good	49.649 \| good	1.71 \| good	5.064 \| good	0.151 \| good
2026-04-20T19:00:00.000Z	49 \| good	8.487 \| good	37.662 \| good	53.156 \| good	1.507 \| good	4.17 \| good	0.144 \| good
2026-04-20T20:00:00.000Z	51 \| moderate	8.498 \| good	37.339 \| good	54.601 \| good	1.303 \| good	3.276 \| good	0.137 \| good
2026-04-20T21:00:00.000Z	54 \| moderate	7.546 \| good	33.25 \| good	55.965 \| fine	1.099 \| good	2.382 \| good	0.13 \| good
2026-04-20T22:00:00.000Z	51 \| moderate	6.318 \| good	28.263 \| good	54.752 \| good	0.952 \| good	2.259 \| good	0.127 \| good
2026-04-20T23:00:00.000Z	49 \| good	5.346 \| good	23.277 \| good	53.1 \| good	0.805 \| good	2.137 \| good	0.125 \| good
2026-04-21T00:00:00.000Z	71 \| moderate	8.086 \| good	16.735 \| good	61.412 \| fine	0.654 \| good	2.019 \| good	0.122 \| good
2026-04-21T01:00:00.000Z	48 \| good	6.012 \| good	26.95 \| good	52.391 \| good	0.711 \| good	3.373 \| good	0.129 \| good
2026-04-21T02:00:00.000Z	43 \| good	5.807 \| good	25.37 \| good	46.265 \| good	0.765 \| good	4.731 \| good	0.136 \| good

La Mesa

Get reliable air quality data to drive your business

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

0.31ppm

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

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 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 08:00:00 on 2026-04-18.

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 06:00:00 on 2026-04-18.

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

The current air quality in La Mesa, California is 54, categorized as Moderate 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 9.246 μg/m³.

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

The current PM₁₀ concentration at La Mesa, California is 35.161 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 0.308 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 0.714 ppb.

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

The current ozone (O₃) concentration at La Mesa, California is 55.746 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 5.256 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-17T03:00:00.000Z	33 \| good	5.701 \| good	24.522 \| good	33.268 \| good	0.89 \| good	8.085 \| good	0.174 \| good
2026-04-17T04:00:00.000Z	38 \| good	7.046 \| good	19.633 \| good	39.131 \| good	0.5 \| good	8.527 \| good	0.329 \| good
2026-04-17T05:00:00.000Z	38 \| good	7.058 \| good	19.22 \| good	36.39 \| good	0.651 \| good	10.81 \| good	0.329 \| good
2026-04-17T06:00:00.000Z	38 \| good	7.058 \| good	19.22 \| good	36.39 \| good	0.649 \| good	10.724 \| good	0.329 \| good
2026-04-17T07:00:00.000Z	38 \| good	7.396 \| good	20.077 \| good	34.484 \| good	0.449 \| good	10.383 \| good	0.367 \| good
2026-04-17T08:00:00.000Z	44 \| good	7.82 \| good	20.893 \| good	32.247 \| good	0.428 \| good	6.178 \| good	0.32 \| good
2026-04-17T09:00:00.000Z	44 \| good	8.349 \| good	21.498 \| good	30.922 \| good	0.426 \| good	6.172 \| good	0.26 \| good
2026-04-17T10:00:00.000Z	44 \| good	8.481 \| good	22.548 \| good	31.011 \| good	0.428 \| good	4.653 \| good	0.261 \| good
2026-04-17T11:00:00.000Z	49 \| good	8.691 \| good	22.231 \| good	31.011 \| good	0.508 \| good	7.129 \| good	0.27 \| good
2026-04-17T12:00:00.000Z	49 \| good	8.562 \| good	22.065 \| good	31.011 \| good	0.411 \| good	6.755 \| good	0.303 \| good
2026-04-17T13:00:00.000Z	49 \| good	8.609 \| good	21.932 \| good	32.069 \| good	0.424 \| good	7.506 \| good	0.303 \| good
2026-04-17T14:00:00.000Z	49 \| good	8.985 \| good	23.149 \| good	29.503 \| good	0.487 \| good	16.719 \| good	0.415 \| good
2026-04-17T15:00:00.000Z	49 \| good	9.19 \| good	24.438 \| good	31.501 \| good	0.529 \| good	15.431 \| good	0.407 \| good
2026-04-17T16:00:00.000Z	49 \| good	8.961 \| good	27.633 \| good	34.072 \| good	0.525 \| good	11.982 \| good	0.286 \| good
2026-04-17T17:00:00.000Z	49 \| good	8.564 \| good	26.236 \| good	39.588 \| good	0.481 \| good	10.212 \| good	0.242 \| good
2026-04-17T18:00:00.000Z	49 \| good	8.765 \| good	27.735 \| good	42.941 \| good	0.539 \| good	9.943 \| good	0.226 \| good
2026-04-17T19:00:00.000Z	49 \| good	8.768 \| good	27.658 \| good	47.893 \| good	0.53 \| good	5.705 \| good	0.242 \| good
2026-04-17T20:00:00.000Z	49 \| good	8.649 \| good	27.228 \| good	51.278 \| good	0.473 \| good	6.502 \| good	0.264 \| good
2026-04-17T21:00:00.000Z	49 \| good	8.6 \| good	26.868 \| good	52.133 \| good	0.466 \| good	4.561 \| good	0.242 \| good
2026-04-17T22:00:00.000Z	51 \| moderate	9.008 \| good	28.195 \| good	54.786 \| good	0.485 \| good	4.578 \| good	0.221 \| good
2026-04-17T23:00:00.000Z	51 \| moderate	9.165 \| good	28.18 \| good	54.865 \| good	0.488 \| good	4.752 \| good	0.243 \| good
2026-04-18T00:00:00.000Z	49 \| good	9.041 \| good	26.48 \| good	51.213 \| good	0.584 \| good	4.92 \| good	0.264 \| good
2026-04-18T01:00:00.000Z	49 \| good	8.758 \| good	25.149 \| good	49.809 \| good	0.72 \| good	1.947 \| good	0.264 \| good
2026-04-18T02:00:00.000Z	45 \| good	8.498 \| good	23.096 \| good	49.413 \| good	0.754 \| good	2.463 \| good	0.307 \| good
2026-04-18T03:00:00.000Z	44 \| good	8.216 \| good	22.65 \| good	46.246 \| good	0.626 \| good	4.01 \| good	0.35 \| good
2026-04-18T04:00:00.000Z	44 \| good	8.204 \| good	22.3 \| good	43.717 \| good	0.576 \| good	4.434 \| good	0.411 \| good
2026-04-18T05:00:00.000Z	44 \| good	8.168 \| good	22.372 \| good	40.747 \| good	0.777 \| good	7.051 \| good	0.423 \| good
2026-04-18T06:00:00.000Z	44 \| good	8.291 \| good	23.323 \| good	40.747 \| good	0.552 \| good	8.816 \| good	0.488 \| good
2026-04-18T07:00:00.000Z	49 \| good	8.584 \| good	24.797 \| good	35.252 \| good	0.566 \| good	8.804 \| good	0.488 \| good
2026-04-18T08:00:00.000Z	49 \| good	8.942 \| good	24.332 \| good	30.278 \| good	0.59 \| good	11.678 \| good	0.394 \| good
2026-04-18T09:00:00.000Z	52 \| moderate	9.528 \| good	27.694 \| good	26.691 \| good	0.583 \| good	11.223 \| good	0.414 \| good
2026-04-18T10:00:00.000Z	52 \| moderate	9.547 \| good	28.847 \| good	24.584 \| good	0.556 \| good	18.18 \| good	0.435 \| good
2026-04-18T11:00:00.000Z	49 \| good	9.473 \| good	27.091 \| good	24.584 \| good	0.567 \| good	19.322 \| good	0.392 \| good
2026-04-18T12:00:00.000Z	49 \| good	9.297 \| good	27.14 \| good	24.584 \| good	0.498 \| good	18.283 \| good	0.43 \| good
2026-04-18T13:00:00.000Z	49 \| good	9.078 \| good	27.371 \| good	23.975 \| good	0.626 \| good	18.97 \| good	0.438 \| good
2026-04-18T14:00:00.000Z	49 \| good	9.033 \| good	29.33 \| good	22.535 \| good	0.647 \| good	22.293 \| good	0.519 \| good
2026-04-18T15:00:00.000Z	49 \| good	9.14 \| good	29.307 \| good	22.418 \| good	0.739 \| good	21.526 \| good	0.58 \| good
2026-04-18T16:00:00.000Z	52 \| moderate	9.664 \| good	30.214 \| good	26.737 \| good	0.533 \| good	17.254 \| good	0.466 \| good
2026-04-18T17:00:00.000Z	49 \| good	9.5 \| good	30.997 \| good	32.658 \| good	0.545 \| good	13.838 \| good	0.406 \| good
2026-04-18T18:00:00.000Z	52 \| moderate	9.807 \| good	33.777 \| good	40.672 \| good	0.587 \| good	12.186 \| good	0.324 \| good
2026-04-18T19:00:00.000Z	52 \| moderate	9.935 \| good	35.28 \| good	46.725 \| good	0.487 \| good	6.898 \| good	0.286 \| good
2026-04-18T20:00:00.000Z	52 \| moderate	9.769 \| good	34.041 \| good	50.431 \| good	0.47 \| good	5.236 \| good	0.243 \| good
2026-04-18T21:00:00.000Z	49 \| good	9.331 \| good	32.43 \| good	51.49 \| good	0.506 \| good	5.206 \| good	0.264 \| good
2026-04-18T22:00:00.000Z	49 \| good	9.108 \| good	32.448 \| good	51.508 \| good	0.498 \| good	5.484 \| good	0.246 \| good
2026-04-18T23:00:00.000Z	50 \| good	8.992 \| good	33.356 \| good	53.754 \| good	0.619 \| good	5.533 \| good	0.264 \| good
2026-04-19T00:00:00.000Z	49 \| good	9.085 \| good	34.022 \| good	53.191 \| good	0.603 \| good	6.134 \| good	0.308 \| good
2026-04-19T01:00:00.000Z	51 \| moderate	9.185 \| good	34.353 \| good	55.312 \| fine	0.71 \| good	5.325 \| good	0.308 \| good
2026-04-19T02:00:00.000Z	54 \| moderate	9.246 \| good	35.161 \| good	55.746 \| fine	0.714 \| good	5.256 \| good	0.308 \| good
2026-04-19T03:00:00.000Z	52 \| moderate	9.728 \| good	43.509 \| good	38.974 \| good	1.628 \| good	12.416 \| good	0.198 \| good
2026-04-19T04:00:00.000Z	52 \| moderate	10.225 \| good	45.126 \| good	36.055 \| good	1.775 \| good	15.611 \| good	0.229 \| good
2026-04-19T05:00:00.000Z	54 \| moderate	10.852 \| good	48.103 \| good	33.441 \| good	1.922 \| good	18.807 \| good	0.26 \| good
2026-04-19T06:00:00.000Z	56 \| moderate	11.672 \| good	52.156 \| good	32.282 \| good	2.069 \| good	22.002 \| good	0.291 \| good
2026-04-19T07:00:00.000Z	54 \| moderate	11.2 \| good	49.603 \| good	30.39 \| good	1.932 \| good	22.061 \| good	0.299 \| good
2026-04-19T08:00:00.000Z	54 \| moderate	11.042 \| good	49.067 \| good	30.6 \| good	1.796 \| good	22.119 \| good	0.308 \| good
2026-04-19T09:00:00.000Z	54 \| moderate	10.904 \| good	48.567 \| good	30.244 \| good	1.659 \| good	22.178 \| good	0.316 \| good
2026-04-19T10:00:00.000Z	56 \| moderate	12.289 \| fine	55.317 \| fine	24.698 \| good	1.548 \| good	20.843 \| good	0.303 \| good
2026-04-19T11:00:00.000Z	56 \| moderate	11.675 \| good	51.581 \| good	21.407 \| good	1.437 \| good	19.508 \| good	0.29 \| good
2026-04-19T12:00:00.000Z	54 \| moderate	11.209 \| good	50.102 \| good	24.586 \| good	1.325 \| good	18.173 \| good	0.277 \| good
2026-04-19T13:00:00.000Z	58 \| moderate	12.595 \| fine	56.753 \| fine	22.294 \| good	1.324 \| good	17.068 \| good	0.295 \| good
2026-04-19T14:00:00.000Z	58 \| moderate	12.551 \| fine	56.282 \| fine	24.569 \| good	1.323 \| good	15.963 \| good	0.312 \| good
2026-04-19T15:00:00.000Z	62 \| moderate	14.603 \| fine	65.812 \| fine	35.197 \| good	1.322 \| good	14.858 \| good	0.329 \| good
2026-04-19T16:00:00.000Z	62 \| moderate	15.095 \| fine	67.694 \| fine	46.376 \| good	1.585 \| good	12.251 \| good	0.281 \| good
2026-04-19T17:00:00.000Z	60 \| moderate	13.704 \| fine	61.458 \| fine	52.085 \| good	1.847 \| good	9.644 \| good	0.232 \| good
2026-04-19T18:00:00.000Z	56 \| moderate	12.206 \| fine	54.635 \| good	55.325 \| fine	2.11 \| good	7.037 \| good	0.183 \| good
2026-04-19T19:00:00.000Z	61 \| moderate	10.761 \| good	47.641 \| good	57.933 \| fine	1.86 \| good	5.653 \| good	0.171 \| good
2026-04-19T20:00:00.000Z	61 \| moderate	10.163 \| good	45.369 \| good	58.31 \| fine	1.611 \| good	4.269 \| good	0.16 \| good
2026-04-19T21:00:00.000Z	58 \| moderate	8.924 \| good	39.444 \| good	57.411 \| fine	1.362 \| good	2.885 \| good	0.148 \| good
2026-04-19T22:00:00.000Z	51 \| moderate	7.62 \| good	33.388 \| good	54.817 \| good	1.232 \| good	2.7 \| good	0.143 \| good
2026-04-19T23:00:00.000Z	47 \| good	6.556 \| good	29.359 \| good	51.051 \| good	1.103 \| good	2.516 \| good	0.139 \| good
2026-04-20T00:00:00.000Z	50 \| good	6.933 \| good	30.505 \| good	53.683 \| good	0.973 \| good	2.331 \| good	0.134 \| good
2026-04-20T01:00:00.000Z	48 \| good	7.545 \| good	33.213 \| good	51.737 \| good	1.03 \| good	4.125 \| good	0.143 \| good
2026-04-20T02:00:00.000Z	45 \| good	7.27 \| good	32.023 \| good	48.748 \| good	1.088 \| good	5.918 \| good	0.153 \| good
2026-04-20T03:00:00.000Z	42 \| good	7.472 \| good	32.935 \| good	45.105 \| good	1.145 \| good	7.711 \| good	0.162 \| good
2026-04-20T04:00:00.000Z	38 \| good	6.97 \| good	30.568 \| good	40.989 \| good	1.226 \| good	10.581 \| good	0.181 \| good
2026-04-20T05:00:00.000Z	38 \| good	7.136 \| good	31.68 \| good	37.08 \| good	1.308 \| good	13.452 \| good	0.2 \| good
2026-04-20T06:00:00.000Z	44 \| good	7.833 \| good	34.781 \| good	31.389 \| good	1.389 \| good	16.323 \| good	0.219 \| good
2026-04-20T07:00:00.000Z	44 \| good	8.489 \| good	37.398 \| good	27.654 \| good	1.363 \| good	17.395 \| good	0.228 \| good
2026-04-20T08:00:00.000Z	49 \| good	9.154 \| good	40.242 \| good	25.469 \| good	1.336 \| good	18.468 \| good	0.238 \| good
2026-04-20T09:00:00.000Z	49 \| good	8.669 \| good	37.927 \| good	23.663 \| good	1.31 \| good	19.541 \| good	0.247 \| good
2026-04-20T10:00:00.000Z	44 \| good	7.936 \| good	35.142 \| good	22.341 \| good	1.308 \| good	18.214 \| good	0.239 \| good
2026-04-20T11:00:00.000Z	44 \| good	7.749 \| good	33.943 \| good	17.712 \| good	1.305 \| good	16.888 \| good	0.231 \| good
2026-04-20T12:00:00.000Z	44 \| good	8.319 \| good	36.681 \| good	20.599 \| good	1.303 \| good	15.562 \| good	0.223 \| good
2026-04-20T13:00:00.000Z	54 \| moderate	10.939 \| good	48.822 \| good	14.319 \| good	1.293 \| good	14.255 \| good	0.243 \| good
2026-04-20T14:00:00.000Z	56 \| moderate	11.735 \| good	51.937 \| good	18.458 \| good	1.283 \| good	12.949 \| good	0.264 \| good
2026-04-20T15:00:00.000Z	54 \| moderate	11.184 \| good	49.454 \| good	31.733 \| good	1.273 \| good	11.643 \| good	0.284 \| good
2026-04-20T16:00:00.000Z	52 \| moderate	9.525 \| good	42.605 \| good	42.549 \| good	1.419 \| good	9.45 \| good	0.24 \| good
2026-04-20T17:00:00.000Z	49 \| good	8.956 \| good	39.557 \| good	46.734 \| good	1.565 \| good	7.257 \| good	0.195 \| good
2026-04-20T18:00:00.000Z	49 \| good	8.551 \| good	37.652 \| good	49.649 \| good	1.71 \| good	5.064 \| good	0.151 \| good
2026-04-20T19:00:00.000Z	49 \| good	8.487 \| good	37.662 \| good	53.156 \| good	1.507 \| good	4.17 \| good	0.144 \| good
2026-04-20T20:00:00.000Z	51 \| moderate	8.498 \| good	37.339 \| good	54.601 \| good	1.303 \| good	3.276 \| good	0.137 \| good
2026-04-20T21:00:00.000Z	54 \| moderate	7.546 \| good	33.25 \| good	55.965 \| fine	1.099 \| good	2.382 \| good	0.13 \| good
2026-04-20T22:00:00.000Z	51 \| moderate	6.318 \| good	28.263 \| good	54.752 \| good	0.952 \| good	2.259 \| good	0.127 \| good
2026-04-20T23:00:00.000Z	49 \| good	5.346 \| good	23.277 \| good	53.1 \| good	0.805 \| good	2.137 \| good	0.125 \| good
2026-04-21T00:00:00.000Z	71 \| moderate	8.086 \| good	16.735 \| good	61.412 \| fine	0.654 \| good	2.019 \| good	0.122 \| good
2026-04-21T01:00:00.000Z	48 \| good	6.012 \| good	26.95 \| good	52.391 \| good	0.711 \| good	3.373 \| good	0.129 \| good
2026-04-21T02:00:00.000Z	43 \| good	5.807 \| good	25.37 \| good	46.265 \| good	0.765 \| good	4.731 \| good	0.136 \| 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)

Track live La Mesa, California air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Lemon Grove, California

Spring Valley, California

Casa De OroMount Helix, California

El Cajon, California

La Presa, California

Rancho San Diego, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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?