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

The current PM10 concentration at La Mesa, California is 23.804 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 0.612 ppb.

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

The current ozone (O3) concentration at La Mesa, California is 22.247 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 27.783 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 13.073 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)

13.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.80 μg/m³

155

255

425

605+

Ozone (O₃)

22.25 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

27.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.60 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
2025-12-14T05:00:00.000Z	105 \| sensitive	37.146 \| moderate	60.515 \| fine	30.069 \| good	0.378 \| good	15.029 \| good	0.749 \| good
2025-12-14T06:00:00.000Z	107 \| sensitive	37.842 \| moderate	61.712 \| fine	26.159 \| good	0.592 \| good	17.681 \| good	0.797 \| good
2025-12-14T07:00:00.000Z	107 \| sensitive	37.842 \| moderate	61.712 \| fine	26.159 \| good	0.615 \| good	19.779 \| good	0.796 \| good
2025-12-14T08:00:00.000Z	105 \| sensitive	37.222 \| moderate	58.947 \| fine	21.839 \| good	0.806 \| good	22.287 \| good	0.876 \| good
2025-12-14T09:00:00.000Z	102 \| sensitive	35.906 \| moderate	55.908 \| fine	20.307 \| good	0.643 \| good	21.492 \| good	0.841 \| good
2025-12-14T10:00:00.000Z	88 \| moderate	28.851 \| fine	44.892 \| good	20.307 \| good	0.652 \| good	20.332 \| good	0.794 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.052 \| fine	35.257 \| good	20.307 \| good	0.64 \| good	19.591 \| good	0.794 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.217 \| fine	30.647 \| good	17.593 \| good	0.607 \| good	17.884 \| good	0.803 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.217 \| fine	30.647 \| good	17.593 \| good	0.656 \| good	13.079 \| good	0.978 \| good
2025-12-14T14:00:00.000Z	64 \| moderate	15.954 \| fine	23.006 \| good	16.271 \| good	0.543 \| good	13.077 \| good	0.787 \| good
2025-12-14T15:00:00.000Z	60 \| moderate	14.239 \| fine	20.191 \| good	15.598 \| good	0.534 \| good	14.902 \| good	0.796 \| good
2025-12-14T16:00:00.000Z	58 \| moderate	12.556 \| fine	17.474 \| good	16.334 \| good	0.647 \| good	15.967 \| good	0.787 \| good
2025-12-14T17:00:00.000Z	58 \| moderate	12.619 \| fine	17.499 \| good	16.858 \| good	0.673 \| good	17.925 \| good	0.75 \| good
2025-12-14T18:00:00.000Z	62 \| moderate	14.568 \| fine	20.521 \| good	19.388 \| good	0.486 \| good	17.166 \| good	0.616 \| good
2025-12-14T19:00:00.000Z	64 \| moderate	15.731 \| fine	23.01 \| good	23.725 \| good	0.309 \| good	16.194 \| good	0.57 \| good
2025-12-14T20:00:00.000Z	66 \| moderate	16.753 \| fine	25.485 \| good	29.141 \| good	0.438 \| good	15.654 \| good	0.444 \| good
2025-12-14T21:00:00.000Z	69 \| moderate	18.716 \| fine	29.794 \| good	32.712 \| good	0.43 \| good	17.508 \| good	0.455 \| good
2025-12-14T22:00:00.000Z	71 \| moderate	19.86 \| fine	33.1 \| good	37.413 \| good	0.354 \| good	14.894 \| good	0.415 \| good
2025-12-14T23:00:00.000Z	69 \| moderate	19.015 \| fine	31.083 \| good	39.458 \| good	0.289 \| good	13.747 \| good	0.378 \| good
2025-12-15T00:00:00.000Z	66 \| moderate	17.176 \| fine	28.78 \| good	40.102 \| good	0.25 \| good	11.835 \| good	0.418 \| good
2025-12-15T01:00:00.000Z	64 \| moderate	16.167 \| fine	26.948 \| good	36.382 \| good	0.302 \| good	13.778 \| good	0.453 \| good
2025-12-15T02:00:00.000Z	67 \| moderate	17.662 \| fine	28.189 \| good	31.928 \| good	0.349 \| good	11.719 \| good	0.549 \| good
2025-12-15T03:00:00.000Z	73 \| moderate	21.431 \| fine	34.007 \| good	30.028 \| good	0.403 \| good	16.605 \| good	0.631 \| good
2025-12-15T04:00:00.000Z	82 \| moderate	25.893 \| fine	40.784 \| good	28.337 \| good	0.431 \| good	22.004 \| good	0.776 \| good
2025-12-15T05:00:00.000Z	88 \| moderate	28.535 \| fine	44.737 \| good	29.045 \| good	0.404 \| good	23.391 \| good	0.749 \| good
2025-12-15T06:00:00.000Z	92 \| moderate	30.692 \| fine	47.153 \| good	27.53 \| good	0.598 \| good	23.48 \| good	0.75 \| good
2025-12-15T07:00:00.000Z	92 \| moderate	31.211 \| fine	47.017 \| good	27.53 \| good	0.598 \| good	25.126 \| good	0.75 \| good
2025-12-15T08:00:00.000Z	90 \| moderate	30.341 \| fine	45.602 \| good	24.456 \| good	0.726 \| good	21.471 \| good	0.786 \| good
2025-12-15T09:00:00.000Z	86 \| moderate	28.32 \| fine	42.819 \| good	24.051 \| good	0.655 \| good	19.711 \| good	0.77 \| good
2025-12-15T10:00:00.000Z	79 \| moderate	23.762 \| fine	35.741 \| good	24.389 \| good	0.577 \| good	18.271 \| good	0.773 \| good
2025-12-15T11:00:00.000Z	71 \| moderate	19.583 \| fine	29.813 \| good	24.389 \| good	0.667 \| good	16.952 \| good	0.677 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	15.787 \| fine	23.704 \| good	24.389 \| good	0.521 \| good	17.342 \| good	0.64 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	15.787 \| fine	23.704 \| good	24.389 \| good	0.517 \| good	16.026 \| good	0.64 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.492 \| good	16.421 \| good	14.834 \| good	0.595 \| good	19.424 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	54 \| moderate	10.832 \| good	15.14 \| good	12.837 \| good	0.633 \| good	19.842 \| good	0.812 \| good
2025-12-15T16:00:00.000Z	52 \| moderate	9.721 \| good	13.308 \| good	11.54 \| good	0.924 \| good	23.053 \| good	0.944 \| good
2025-12-15T17:00:00.000Z	54 \| moderate	10.724 \| good	16.654 \| good	12.498 \| good	1.034 \| good	24.902 \| good	0.827 \| good
2025-12-15T18:00:00.000Z	56 \| moderate	11.801 \| good	20.528 \| good	15.324 \| good	0.744 \| good	22.432 \| good	0.624 \| good
2025-12-15T19:00:00.000Z	56 \| moderate	12.232 \| fine	21.76 \| good	19.939 \| good	0.653 \| good	23.091 \| good	0.455 \| good
2025-12-15T20:00:00.000Z	60 \| moderate	13.668 \| fine	25.112 \| good	21.817 \| good	0.559 \| good	27.011 \| good	0.419 \| good
2025-12-15T21:00:00.000Z	60 \| moderate	13.807 \| fine	25.809 \| good	23.696 \| good	0.445 \| good	29.94 \| good	0.391 \| good
2025-12-15T22:00:00.000Z	60 \| moderate	14.402 \| fine	26.811 \| good	31.073 \| good	0.392 \| good	27.601 \| good	0.326 \| good
2025-12-15T23:00:00.000Z	60 \| moderate	14.289 \| fine	27.842 \| good	32.289 \| good	0.414 \| good	21.992 \| good	0.307 \| good
2025-12-16T00:00:00.000Z	58 \| moderate	12.89 \| fine	26.551 \| good	31.618 \| good	0.374 \| good	15.117 \| good	0.325 \| good
2025-12-16T01:00:00.000Z	58 \| moderate	12.621 \| fine	25.893 \| good	30.096 \| good	0.227 \| good	22.385 \| good	0.421 \| good
2025-12-16T02:00:00.000Z	56 \| moderate	12.048 \| good	23.512 \| good	26.386 \| good	0.371 \| good	25.996 \| good	0.559 \| good
2025-12-16T03:00:00.000Z	58 \| moderate	13.073 \| fine	23.804 \| good	22.247 \| good	0.612 \| good	27.783 \| good	0.596 \| good
2025-12-16T04:00:00.000Z	58 \| moderate	13.073 \| fine	23.804 \| good	22.247 \| good	0.612 \| good	27.783 \| good	0.596 \| good
2025-12-16T05:00:00.000Z	79 \| moderate	24.317 \| fine	106.44 \| fine	9.1 \| good	2.87 \| good	30.277 \| good	0.423 \| good
2025-12-16T06:00:00.000Z	79 \| moderate	23.592 \| fine	103.265 \| fine	7.981 \| good	2.768 \| good	29.311 \| good	0.429 \| good
2025-12-16T07:00:00.000Z	79 \| moderate	23.94 \| fine	104.442 \| fine	7.964 \| good	2.313 \| good	27.237 \| good	0.413 \| good
2025-12-16T08:00:00.000Z	69 \| moderate	18.955 \| fine	83.146 \| fine	8.804 \| good	1.858 \| good	25.163 \| good	0.396 \| good
2025-12-16T09:00:00.000Z	49 \| good	9.142 \| good	40.503 \| good	9.845 \| good	1.404 \| good	23.09 \| good	0.38 \| good
2025-12-16T10:00:00.000Z	27 \| good	4.783 \| good	20.874 \| good	16.296 \| good	1.336 \| good	21.77 \| good	0.35 \| good
2025-12-16T11:00:00.000Z	22 \| good	4.341 \| good	19.005 \| good	14.666 \| good	1.269 \| good	20.451 \| good	0.321 \| good
2025-12-16T12:00:00.000Z	18 \| good	2.998 \| good	12.558 \| good	14.953 \| good	1.202 \| good	19.132 \| good	0.292 \| good
2025-12-16T13:00:00.000Z	18 \| good	2.944 \| good	12.358 \| good	8.92 \| good	1.201 \| good	18.917 \| good	0.297 \| good
2025-12-16T14:00:00.000Z	22 \| good	4.305 \| good	18.812 \| good	7.178 \| good	1.199 \| good	18.701 \| good	0.302 \| good
2025-12-16T15:00:00.000Z	27 \| good	4.802 \| good	21.022 \| good	10.354 \| good	1.198 \| good	18.486 \| good	0.307 \| good
2025-12-16T16:00:00.000Z	33 \| good	5.73 \| good	25.223 \| good	13.537 \| good	1.429 \| good	18.006 \| good	0.315 \| good
2025-12-16T17:00:00.000Z	27 \| good	4.99 \| good	21.743 \| good	17.495 \| good	1.659 \| good	17.527 \| good	0.323 \| good
2025-12-16T18:00:00.000Z	22 \| good	3.342 \| good	14.475 \| good	24.499 \| good	1.889 \| good	17.047 \| good	0.331 \| good
2025-12-16T19:00:00.000Z	28 \| good	2.848 \| good	11.856 \| good	30.216 \| good	2.307 \| good	17.757 \| good	0.318 \| good
2025-12-16T20:00:00.000Z	31 \| good	5.175 \| good	22.579 \| good	34.371 \| good	2.724 \| good	18.466 \| good	0.305 \| good
2025-12-16T21:00:00.000Z	44 \| good	8.017 \| good	35.445 \| good	37.282 \| good	3.141 \| good	19.176 \| good	0.292 \| good
2025-12-16T22:00:00.000Z	54 \| moderate	11.499 \| good	51.192 \| good	41.855 \| good	3.364 \| good	21.818 \| good	0.3 \| good
2025-12-16T23:00:00.000Z	60 \| moderate	14.124 \| fine	62.404 \| fine	41.905 \| good	3.586 \| good	24.461 \| good	0.309 \| good
2025-12-17T00:00:00.000Z	75 \| moderate	21.53 \| fine	94.714 \| fine	36.244 \| good	3.808 \| good	27.104 \| good	0.317 \| good
2025-12-17T01:00:00.000Z	82 \| moderate	25.595 \| fine	111.34 \| fine	23.733 \| good	3.892 \| good	30.256 \| good	0.391 \| good
2025-12-17T02:00:00.000Z	92 \| moderate	30.647 \| fine	133.876 \| fine	13.434 \| good	3.976 \| good	33.408 \| good	0.465 \| good
2025-12-17T03:00:00.000Z	90 \| moderate	29.836 \| fine	130.505 \| fine	9.386 \| good	4.06 \| good	36.56 \| good	0.538 \| good
2025-12-17T04:00:00.000Z	92 \| moderate	31.16 \| fine	136.786 \| fine	9.418 \| good	4.018 \| good	36.087 \| good	0.547 \| good
2025-12-17T05:00:00.000Z	92 \| moderate	31.383 \| fine	137.775 \| fine	9.918 \| good	3.976 \| good	35.614 \| good	0.555 \| good
2025-12-17T06:00:00.000Z	96 \| moderate	33.018 \| fine	144.898 \| fine	9.258 \| good	3.933 \| good	35.141 \| good	0.563 \| good
2025-12-17T07:00:00.000Z	96 \| moderate	32.673 \| fine	143.52 \| fine	9.62 \| good	3.435 \| good	33.594 \| good	0.537 \| good
2025-12-17T08:00:00.000Z	88 \| moderate	29.168 \| fine	128.057 \| fine	7.549 \| good	2.938 \| good	32.047 \| good	0.512 \| good
2025-12-17T09:00:00.000Z	71 \| moderate	19.936 \| fine	87.796 \| fine	7.578 \| good	2.44 \| good	30.5 \| good	0.487 \| good
2025-12-17T10:00:00.000Z	62 \| moderate	14.54 \| fine	64.356 \| fine	14.319 \| good	2.251 \| good	28.775 \| good	0.454 \| good
2025-12-17T11:00:00.000Z	67 \| moderate	17.754 \| fine	78.479 \| fine	13.45 \| good	2.062 \| good	27.05 \| good	0.42 \| good
2025-12-17T12:00:00.000Z	64 \| moderate	15.641 \| fine	68.913 \| fine	13.276 \| good	1.873 \| good	25.325 \| good	0.387 \| good
2025-12-17T13:00:00.000Z	60 \| moderate	14.119 \| fine	62.628 \| fine	8.936 \| good	1.862 \| good	24.556 \| good	0.387 \| good
2025-12-17T14:00:00.000Z	58 \| moderate	12.551 \| fine	55.891 \| fine	7.893 \| good	1.851 \| good	23.787 \| good	0.386 \| good
2025-12-17T15:00:00.000Z	58 \| moderate	13.499 \| fine	60.294 \| fine	8.842 \| good	1.84 \| good	23.018 \| good	0.385 \| good
2025-12-17T16:00:00.000Z	66 \| moderate	17.129 \| fine	75.72 \| fine	10.436 \| good	2.418 \| good	22.548 \| good	0.406 \| good
2025-12-17T17:00:00.000Z	64 \| moderate	16.435 \| fine	72.888 \| fine	15.743 \| good	2.997 \| good	22.077 \| good	0.426 \| good
2025-12-17T18:00:00.000Z	60 \| moderate	13.914 \| fine	61.425 \| fine	27.545 \| good	3.576 \| good	21.606 \| good	0.447 \| good
2025-12-17T19:00:00.000Z	56 \| moderate	12.209 \| fine	54.135 \| good	38.997 \| good	3.99 \| good	22.96 \| good	0.434 \| good
2025-12-17T20:00:00.000Z	58 \| moderate	13.261 \| fine	58.743 \| fine	42.148 \| good	4.405 \| good	24.313 \| good	0.421 \| good
2025-12-17T21:00:00.000Z	52 \| moderate	9.616 \| good	42.633 \| good	41.977 \| good	4.819 \| good	25.666 \| good	0.408 \| good
2025-12-17T22:00:00.000Z	41 \| good	5.074 \| good	21.93 \| good	44.321 \| good	4.857 \| good	27.279 \| good	0.391 \| good
2025-12-17T23:00:00.000Z	42 \| good	4.563 \| good	19.788 \| good	45.229 \| good	4.895 \| good	28.892 \| good	0.375 \| good
2025-12-18T00:00:00.000Z	75 \| moderate	21.944 \| fine	23.513 \| good	14.928 \| good	4.906 \| good	30.574 \| good	0.361 \| good
2025-12-18T01:00:00.000Z	67 \| moderate	17.977 \| fine	79.464 \| fine	35.247 \| good	4.875 \| good	32.542 \| good	0.415 \| good
2025-12-18T02:00:00.000Z	79 \| moderate	23.575 \| fine	103.389 \| fine	24.39 \| good	4.818 \| good	34.579 \| good	0.472 \| good
2025-12-18T03:00:00.000Z	84 \| moderate	27.385 \| fine	119.122 \| fine	16.626 \| good	4.76 \| good	36.616 \| good	0.53 \| good
2025-12-18T04:00:00.000Z	100 \| moderate	35.25 \| fine	154.304 \| fine	13.672 \| good	4.638 \| good	36.413 \| good	0.546 \| good

La Mesa

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

0.57ppm

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 07:00:00 on 2025-12-15.

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 04:00:00 on 2025-12-15.

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

The current air quality in La Mesa, California is 58, 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 PM2.5.

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 13.073 μg/m³.

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

The current PM₁₀ concentration at La Mesa, California is 23.804 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 0.596 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 0.612 ppb.

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

The current ozone (O₃) concentration at La Mesa, California is 22.247 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 27.783 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T05:00:00.000Z	105 \| sensitive	37.146 \| moderate	60.515 \| fine	30.069 \| good	0.378 \| good	15.029 \| good	0.749 \| good
2025-12-14T06:00:00.000Z	107 \| sensitive	37.842 \| moderate	61.712 \| fine	26.159 \| good	0.592 \| good	17.681 \| good	0.797 \| good
2025-12-14T07:00:00.000Z	107 \| sensitive	37.842 \| moderate	61.712 \| fine	26.159 \| good	0.615 \| good	19.779 \| good	0.796 \| good
2025-12-14T08:00:00.000Z	105 \| sensitive	37.222 \| moderate	58.947 \| fine	21.839 \| good	0.806 \| good	22.287 \| good	0.876 \| good
2025-12-14T09:00:00.000Z	102 \| sensitive	35.906 \| moderate	55.908 \| fine	20.307 \| good	0.643 \| good	21.492 \| good	0.841 \| good
2025-12-14T10:00:00.000Z	88 \| moderate	28.851 \| fine	44.892 \| good	20.307 \| good	0.652 \| good	20.332 \| good	0.794 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.052 \| fine	35.257 \| good	20.307 \| good	0.64 \| good	19.591 \| good	0.794 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.217 \| fine	30.647 \| good	17.593 \| good	0.607 \| good	17.884 \| good	0.803 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.217 \| fine	30.647 \| good	17.593 \| good	0.656 \| good	13.079 \| good	0.978 \| good
2025-12-14T14:00:00.000Z	64 \| moderate	15.954 \| fine	23.006 \| good	16.271 \| good	0.543 \| good	13.077 \| good	0.787 \| good
2025-12-14T15:00:00.000Z	60 \| moderate	14.239 \| fine	20.191 \| good	15.598 \| good	0.534 \| good	14.902 \| good	0.796 \| good
2025-12-14T16:00:00.000Z	58 \| moderate	12.556 \| fine	17.474 \| good	16.334 \| good	0.647 \| good	15.967 \| good	0.787 \| good
2025-12-14T17:00:00.000Z	58 \| moderate	12.619 \| fine	17.499 \| good	16.858 \| good	0.673 \| good	17.925 \| good	0.75 \| good
2025-12-14T18:00:00.000Z	62 \| moderate	14.568 \| fine	20.521 \| good	19.388 \| good	0.486 \| good	17.166 \| good	0.616 \| good
2025-12-14T19:00:00.000Z	64 \| moderate	15.731 \| fine	23.01 \| good	23.725 \| good	0.309 \| good	16.194 \| good	0.57 \| good
2025-12-14T20:00:00.000Z	66 \| moderate	16.753 \| fine	25.485 \| good	29.141 \| good	0.438 \| good	15.654 \| good	0.444 \| good
2025-12-14T21:00:00.000Z	69 \| moderate	18.716 \| fine	29.794 \| good	32.712 \| good	0.43 \| good	17.508 \| good	0.455 \| good
2025-12-14T22:00:00.000Z	71 \| moderate	19.86 \| fine	33.1 \| good	37.413 \| good	0.354 \| good	14.894 \| good	0.415 \| good
2025-12-14T23:00:00.000Z	69 \| moderate	19.015 \| fine	31.083 \| good	39.458 \| good	0.289 \| good	13.747 \| good	0.378 \| good
2025-12-15T00:00:00.000Z	66 \| moderate	17.176 \| fine	28.78 \| good	40.102 \| good	0.25 \| good	11.835 \| good	0.418 \| good
2025-12-15T01:00:00.000Z	64 \| moderate	16.167 \| fine	26.948 \| good	36.382 \| good	0.302 \| good	13.778 \| good	0.453 \| good
2025-12-15T02:00:00.000Z	67 \| moderate	17.662 \| fine	28.189 \| good	31.928 \| good	0.349 \| good	11.719 \| good	0.549 \| good
2025-12-15T03:00:00.000Z	73 \| moderate	21.431 \| fine	34.007 \| good	30.028 \| good	0.403 \| good	16.605 \| good	0.631 \| good
2025-12-15T04:00:00.000Z	82 \| moderate	25.893 \| fine	40.784 \| good	28.337 \| good	0.431 \| good	22.004 \| good	0.776 \| good
2025-12-15T05:00:00.000Z	88 \| moderate	28.535 \| fine	44.737 \| good	29.045 \| good	0.404 \| good	23.391 \| good	0.749 \| good
2025-12-15T06:00:00.000Z	92 \| moderate	30.692 \| fine	47.153 \| good	27.53 \| good	0.598 \| good	23.48 \| good	0.75 \| good
2025-12-15T07:00:00.000Z	92 \| moderate	31.211 \| fine	47.017 \| good	27.53 \| good	0.598 \| good	25.126 \| good	0.75 \| good
2025-12-15T08:00:00.000Z	90 \| moderate	30.341 \| fine	45.602 \| good	24.456 \| good	0.726 \| good	21.471 \| good	0.786 \| good
2025-12-15T09:00:00.000Z	86 \| moderate	28.32 \| fine	42.819 \| good	24.051 \| good	0.655 \| good	19.711 \| good	0.77 \| good
2025-12-15T10:00:00.000Z	79 \| moderate	23.762 \| fine	35.741 \| good	24.389 \| good	0.577 \| good	18.271 \| good	0.773 \| good
2025-12-15T11:00:00.000Z	71 \| moderate	19.583 \| fine	29.813 \| good	24.389 \| good	0.667 \| good	16.952 \| good	0.677 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	15.787 \| fine	23.704 \| good	24.389 \| good	0.521 \| good	17.342 \| good	0.64 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	15.787 \| fine	23.704 \| good	24.389 \| good	0.517 \| good	16.026 \| good	0.64 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.492 \| good	16.421 \| good	14.834 \| good	0.595 \| good	19.424 \| good	0.741 \| good
2025-12-15T15:00:00.000Z	54 \| moderate	10.832 \| good	15.14 \| good	12.837 \| good	0.633 \| good	19.842 \| good	0.812 \| good
2025-12-15T16:00:00.000Z	52 \| moderate	9.721 \| good	13.308 \| good	11.54 \| good	0.924 \| good	23.053 \| good	0.944 \| good
2025-12-15T17:00:00.000Z	54 \| moderate	10.724 \| good	16.654 \| good	12.498 \| good	1.034 \| good	24.902 \| good	0.827 \| good
2025-12-15T18:00:00.000Z	56 \| moderate	11.801 \| good	20.528 \| good	15.324 \| good	0.744 \| good	22.432 \| good	0.624 \| good
2025-12-15T19:00:00.000Z	56 \| moderate	12.232 \| fine	21.76 \| good	19.939 \| good	0.653 \| good	23.091 \| good	0.455 \| good
2025-12-15T20:00:00.000Z	60 \| moderate	13.668 \| fine	25.112 \| good	21.817 \| good	0.559 \| good	27.011 \| good	0.419 \| good
2025-12-15T21:00:00.000Z	60 \| moderate	13.807 \| fine	25.809 \| good	23.696 \| good	0.445 \| good	29.94 \| good	0.391 \| good
2025-12-15T22:00:00.000Z	60 \| moderate	14.402 \| fine	26.811 \| good	31.073 \| good	0.392 \| good	27.601 \| good	0.326 \| good
2025-12-15T23:00:00.000Z	60 \| moderate	14.289 \| fine	27.842 \| good	32.289 \| good	0.414 \| good	21.992 \| good	0.307 \| good
2025-12-16T00:00:00.000Z	58 \| moderate	12.89 \| fine	26.551 \| good	31.618 \| good	0.374 \| good	15.117 \| good	0.325 \| good
2025-12-16T01:00:00.000Z	58 \| moderate	12.621 \| fine	25.893 \| good	30.096 \| good	0.227 \| good	22.385 \| good	0.421 \| good
2025-12-16T02:00:00.000Z	56 \| moderate	12.048 \| good	23.512 \| good	26.386 \| good	0.371 \| good	25.996 \| good	0.559 \| good
2025-12-16T03:00:00.000Z	58 \| moderate	13.073 \| fine	23.804 \| good	22.247 \| good	0.612 \| good	27.783 \| good	0.596 \| good
2025-12-16T04:00:00.000Z	58 \| moderate	13.073 \| fine	23.804 \| good	22.247 \| good	0.612 \| good	27.783 \| good	0.596 \| good
2025-12-16T05:00:00.000Z	79 \| moderate	24.317 \| fine	106.44 \| fine	9.1 \| good	2.87 \| good	30.277 \| good	0.423 \| good
2025-12-16T06:00:00.000Z	79 \| moderate	23.592 \| fine	103.265 \| fine	7.981 \| good	2.768 \| good	29.311 \| good	0.429 \| good
2025-12-16T07:00:00.000Z	79 \| moderate	23.94 \| fine	104.442 \| fine	7.964 \| good	2.313 \| good	27.237 \| good	0.413 \| good
2025-12-16T08:00:00.000Z	69 \| moderate	18.955 \| fine	83.146 \| fine	8.804 \| good	1.858 \| good	25.163 \| good	0.396 \| good
2025-12-16T09:00:00.000Z	49 \| good	9.142 \| good	40.503 \| good	9.845 \| good	1.404 \| good	23.09 \| good	0.38 \| good
2025-12-16T10:00:00.000Z	27 \| good	4.783 \| good	20.874 \| good	16.296 \| good	1.336 \| good	21.77 \| good	0.35 \| good
2025-12-16T11:00:00.000Z	22 \| good	4.341 \| good	19.005 \| good	14.666 \| good	1.269 \| good	20.451 \| good	0.321 \| good
2025-12-16T12:00:00.000Z	18 \| good	2.998 \| good	12.558 \| good	14.953 \| good	1.202 \| good	19.132 \| good	0.292 \| good
2025-12-16T13:00:00.000Z	18 \| good	2.944 \| good	12.358 \| good	8.92 \| good	1.201 \| good	18.917 \| good	0.297 \| good
2025-12-16T14:00:00.000Z	22 \| good	4.305 \| good	18.812 \| good	7.178 \| good	1.199 \| good	18.701 \| good	0.302 \| good
2025-12-16T15:00:00.000Z	27 \| good	4.802 \| good	21.022 \| good	10.354 \| good	1.198 \| good	18.486 \| good	0.307 \| good
2025-12-16T16:00:00.000Z	33 \| good	5.73 \| good	25.223 \| good	13.537 \| good	1.429 \| good	18.006 \| good	0.315 \| good
2025-12-16T17:00:00.000Z	27 \| good	4.99 \| good	21.743 \| good	17.495 \| good	1.659 \| good	17.527 \| good	0.323 \| good
2025-12-16T18:00:00.000Z	22 \| good	3.342 \| good	14.475 \| good	24.499 \| good	1.889 \| good	17.047 \| good	0.331 \| good
2025-12-16T19:00:00.000Z	28 \| good	2.848 \| good	11.856 \| good	30.216 \| good	2.307 \| good	17.757 \| good	0.318 \| good
2025-12-16T20:00:00.000Z	31 \| good	5.175 \| good	22.579 \| good	34.371 \| good	2.724 \| good	18.466 \| good	0.305 \| good
2025-12-16T21:00:00.000Z	44 \| good	8.017 \| good	35.445 \| good	37.282 \| good	3.141 \| good	19.176 \| good	0.292 \| good
2025-12-16T22:00:00.000Z	54 \| moderate	11.499 \| good	51.192 \| good	41.855 \| good	3.364 \| good	21.818 \| good	0.3 \| good
2025-12-16T23:00:00.000Z	60 \| moderate	14.124 \| fine	62.404 \| fine	41.905 \| good	3.586 \| good	24.461 \| good	0.309 \| good
2025-12-17T00:00:00.000Z	75 \| moderate	21.53 \| fine	94.714 \| fine	36.244 \| good	3.808 \| good	27.104 \| good	0.317 \| good
2025-12-17T01:00:00.000Z	82 \| moderate	25.595 \| fine	111.34 \| fine	23.733 \| good	3.892 \| good	30.256 \| good	0.391 \| good
2025-12-17T02:00:00.000Z	92 \| moderate	30.647 \| fine	133.876 \| fine	13.434 \| good	3.976 \| good	33.408 \| good	0.465 \| good
2025-12-17T03:00:00.000Z	90 \| moderate	29.836 \| fine	130.505 \| fine	9.386 \| good	4.06 \| good	36.56 \| good	0.538 \| good
2025-12-17T04:00:00.000Z	92 \| moderate	31.16 \| fine	136.786 \| fine	9.418 \| good	4.018 \| good	36.087 \| good	0.547 \| good
2025-12-17T05:00:00.000Z	92 \| moderate	31.383 \| fine	137.775 \| fine	9.918 \| good	3.976 \| good	35.614 \| good	0.555 \| good
2025-12-17T06:00:00.000Z	96 \| moderate	33.018 \| fine	144.898 \| fine	9.258 \| good	3.933 \| good	35.141 \| good	0.563 \| good
2025-12-17T07:00:00.000Z	96 \| moderate	32.673 \| fine	143.52 \| fine	9.62 \| good	3.435 \| good	33.594 \| good	0.537 \| good
2025-12-17T08:00:00.000Z	88 \| moderate	29.168 \| fine	128.057 \| fine	7.549 \| good	2.938 \| good	32.047 \| good	0.512 \| good
2025-12-17T09:00:00.000Z	71 \| moderate	19.936 \| fine	87.796 \| fine	7.578 \| good	2.44 \| good	30.5 \| good	0.487 \| good
2025-12-17T10:00:00.000Z	62 \| moderate	14.54 \| fine	64.356 \| fine	14.319 \| good	2.251 \| good	28.775 \| good	0.454 \| good
2025-12-17T11:00:00.000Z	67 \| moderate	17.754 \| fine	78.479 \| fine	13.45 \| good	2.062 \| good	27.05 \| good	0.42 \| good
2025-12-17T12:00:00.000Z	64 \| moderate	15.641 \| fine	68.913 \| fine	13.276 \| good	1.873 \| good	25.325 \| good	0.387 \| good
2025-12-17T13:00:00.000Z	60 \| moderate	14.119 \| fine	62.628 \| fine	8.936 \| good	1.862 \| good	24.556 \| good	0.387 \| good
2025-12-17T14:00:00.000Z	58 \| moderate	12.551 \| fine	55.891 \| fine	7.893 \| good	1.851 \| good	23.787 \| good	0.386 \| good
2025-12-17T15:00:00.000Z	58 \| moderate	13.499 \| fine	60.294 \| fine	8.842 \| good	1.84 \| good	23.018 \| good	0.385 \| good
2025-12-17T16:00:00.000Z	66 \| moderate	17.129 \| fine	75.72 \| fine	10.436 \| good	2.418 \| good	22.548 \| good	0.406 \| good
2025-12-17T17:00:00.000Z	64 \| moderate	16.435 \| fine	72.888 \| fine	15.743 \| good	2.997 \| good	22.077 \| good	0.426 \| good
2025-12-17T18:00:00.000Z	60 \| moderate	13.914 \| fine	61.425 \| fine	27.545 \| good	3.576 \| good	21.606 \| good	0.447 \| good
2025-12-17T19:00:00.000Z	56 \| moderate	12.209 \| fine	54.135 \| good	38.997 \| good	3.99 \| good	22.96 \| good	0.434 \| good
2025-12-17T20:00:00.000Z	58 \| moderate	13.261 \| fine	58.743 \| fine	42.148 \| good	4.405 \| good	24.313 \| good	0.421 \| good
2025-12-17T21:00:00.000Z	52 \| moderate	9.616 \| good	42.633 \| good	41.977 \| good	4.819 \| good	25.666 \| good	0.408 \| good
2025-12-17T22:00:00.000Z	41 \| good	5.074 \| good	21.93 \| good	44.321 \| good	4.857 \| good	27.279 \| good	0.391 \| good
2025-12-17T23:00:00.000Z	42 \| good	4.563 \| good	19.788 \| good	45.229 \| good	4.895 \| good	28.892 \| good	0.375 \| good
2025-12-18T00:00:00.000Z	75 \| moderate	21.944 \| fine	23.513 \| good	14.928 \| good	4.906 \| good	30.574 \| good	0.361 \| good
2025-12-18T01:00:00.000Z	67 \| moderate	17.977 \| fine	79.464 \| fine	35.247 \| good	4.875 \| good	32.542 \| good	0.415 \| good
2025-12-18T02:00:00.000Z	79 \| moderate	23.575 \| fine	103.389 \| fine	24.39 \| good	4.818 \| good	34.579 \| good	0.472 \| good
2025-12-18T03:00:00.000Z	84 \| moderate	27.385 \| fine	119.122 \| fine	16.626 \| good	4.76 \| good	36.616 \| good	0.53 \| good
2025-12-18T04:00:00.000Z	100 \| moderate	35.25 \| fine	154.304 \| fine	13.672 \| good	4.638 \| good	36.413 \| good	0.546 \| 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?