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

The current PM10 concentration at La Mesa, California is 23.183 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 0.86 ppb.

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

The current ozone (O3) concentration at La Mesa, California is 44.625 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 8.116 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 9.848 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)

15.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.08 μg/m³

155

255

425

605+

Ozone (O₃)

17.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.48 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
2025-10-26T13:00:00.000Z	54 \| moderate	10.666 \| good	16.002 \| good	16.592 \| good	0.298 \| good	12.662 \| good	0.447 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	10.556 \| good	15.014 \| good	17.576 \| good	0.325 \| good	12.296 \| good	0.429 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	10.266 \| good	15.999 \| good	19.525 \| good	0.394 \| good	12.791 \| good	0.414 \| good
2025-10-26T16:00:00.000Z	52 \| moderate	10.084 \| good	15.084 \| good	19.562 \| good	0.403 \| good	13.127 \| good	0.432 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	10.38 \| good	16.109 \| good	25.417 \| good	0.415 \| good	13.051 \| good	0.388 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.677 \| good	17.137 \| good	29.369 \| good	1.426 \| good	10.01 \| good	0.368 \| good
2025-10-26T19:00:00.000Z	54 \| moderate	11.269 \| good	19.109 \| good	32.372 \| good	2.016 \| good	9.438 \| good	0.343 \| good
2025-10-26T20:00:00.000Z	54 \| moderate	11.264 \| good	20.079 \| good	40.164 \| good	1.275 \| good	9.782 \| good	0.308 \| good
2025-10-26T21:00:00.000Z	54 \| moderate	11.149 \| good	20.991 \| good	46.932 \| good	1.438 \| good	7.572 \| good	0.29 \| good
2025-10-26T22:00:00.000Z	54 \| moderate	10.717 \| good	20.892 \| good	45.923 \| good	1.328 \| good	6.42 \| good	0.273 \| good
2025-10-26T23:00:00.000Z	52 \| moderate	10.006 \| good	19.887 \| good	43.997 \| good	1.059 \| good	4.577 \| good	0.237 \| good
2025-10-27T00:00:00.000Z	44 \| good	8.26 \| good	17.93 \| good	43.922 \| good	0.466 \| good	5.058 \| good	0.237 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.283 \| good	16.921 \| good	40.992 \| good	0.458 \| good	4.611 \| good	0.255 \| good
2025-10-27T02:00:00.000Z	38 \| good	6.99 \| good	16.917 \| good	35.132 \| good	0.417 \| good	6.876 \| good	0.291 \| good
2025-10-27T03:00:00.000Z	38 \| good	6.987 \| good	15.936 \| good	35.13 \| good	0.399 \| good	7.675 \| good	0.271 \| good
2025-10-27T04:00:00.000Z	38 \| good	7.09 \| good	15.932 \| good	33.097 \| good	0.322 \| good	9.039 \| good	0.255 \| good
2025-10-27T05:00:00.000Z	38 \| good	7.497 \| good	15.98 \| good	31.957 \| good	0.396 \| good	7.914 \| good	0.272 \| good
2025-10-27T06:00:00.000Z	44 \| good	8.268 \| good	15.964 \| good	29.012 \| good	0.331 \| good	10.17 \| good	0.294 \| good
2025-10-27T07:00:00.000Z	49 \| good	8.845 \| good	16.916 \| good	25.129 \| good	0.316 \| good	14.118 \| good	0.294 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.035 \| good	16.899 \| good	25.082 \| good	0.305 \| good	15.392 \| good	0.324 \| good
2025-10-27T09:00:00.000Z	49 \| good	9.325 \| good	16.891 \| good	25.035 \| good	0.316 \| good	12.188 \| good	0.312 \| good
2025-10-27T10:00:00.000Z	52 \| moderate	10.1 \| good	17.865 \| good	26.079 \| good	0.29 \| good	15.327 \| good	0.331 \| good
2025-10-27T11:00:00.000Z	54 \| moderate	10.504 \| good	19.809 \| good	26.079 \| good	0.422 \| good	14.036 \| good	0.349 \| good
2025-10-27T12:00:00.000Z	54 \| moderate	11.009 \| good	20.816 \| good	26.079 \| good	0.382 \| good	17.019 \| good	0.35 \| good
2025-10-27T13:00:00.000Z	54 \| moderate	10.843 \| good	19.899 \| good	26.015 \| good	0.396 \| good	13.366 \| good	0.35 \| good
2025-10-27T14:00:00.000Z	54 \| moderate	11.058 \| good	19.933 \| good	22.339 \| good	0.428 \| good	14.366 \| good	0.349 \| good
2025-10-27T15:00:00.000Z	54 \| moderate	11.003 \| good	20.005 \| good	22.346 \| good	0.512 \| good	13.347 \| good	0.367 \| good
2025-10-27T16:00:00.000Z	54 \| moderate	11.025 \| good	21.077 \| good	22.37 \| good	0.491 \| good	15.208 \| good	0.367 \| good
2025-10-27T17:00:00.000Z	56 \| moderate	11.525 \| good	22.065 \| good	24.322 \| good	0.433 \| good	14.852 \| good	0.313 \| good
2025-10-27T18:00:00.000Z	56 \| moderate	12.223 \| fine	23.068 \| good	28.216 \| good	0.857 \| good	17.087 \| good	0.332 \| good
2025-10-27T19:00:00.000Z	56 \| moderate	12.462 \| fine	24.136 \| good	28.245 \| good	0.829 \| good	17.349 \| good	0.306 \| good
2025-10-27T20:00:00.000Z	58 \| moderate	12.732 \| fine	27.081 \| good	37.136 \| good	0.693 \| good	16.614 \| good	0.271 \| good
2025-10-27T21:00:00.000Z	58 \| moderate	12.692 \| fine	28.013 \| good	40.104 \| good	0.71 \| good	14.003 \| good	0.23 \| good
2025-10-27T22:00:00.000Z	56 \| moderate	12.202 \| fine	26.061 \| good	45.022 \| good	0.504 \| good	12.403 \| good	0.229 \| good
2025-10-27T23:00:00.000Z	56 \| moderate	11.517 \| good	25.108 \| good	47.024 \| good	0.41 \| good	10.198 \| good	0.237 \| good
2025-10-28T00:00:00.000Z	54 \| moderate	10.817 \| good	25.001 \| good	47.983 \| good	0.441 \| good	9.799 \| good	0.28 \| good
2025-10-28T01:00:00.000Z	52 \| moderate	10.406 \| good	23.014 \| good	46.991 \| good	0.433 \| good	10.533 \| good	0.297 \| good
2025-10-28T02:00:00.000Z	52 \| moderate	10.495 \| good	23.002 \| good	43.98 \| good	0.382 \| good	13.659 \| good	0.298 \| good
2025-10-28T03:00:00.000Z	58 \| moderate	13.2 \| fine	59.005 \| fine	25.688 \| good	2.22 \| good	21.688 \| good	0.282 \| good
2025-10-28T04:00:00.000Z	54 \| moderate	10.704 \| good	22.026 \| good	36.122 \| good	0.398 \| good	20.899 \| good	0.388 \| good
2025-10-28T05:00:00.000Z	54 \| moderate	11.396 \| good	22.018 \| good	34.121 \| good	0.371 \| good	22.23 \| good	0.393 \| good
2025-10-28T06:00:00.000Z	56 \| moderate	11.884 \| good	22.999 \| good	27.288 \| good	0.391 \| good	23.99 \| good	0.393 \| good
2025-10-28T07:00:00.000Z	56 \| moderate	12.274 \| fine	22.977 \| good	24.277 \| good	0.392 \| good	24.878 \| good	0.393 \| good
2025-10-28T08:00:00.000Z	58 \| moderate	12.867 \| fine	23.934 \| good	20.29 \| good	0.333 \| good	26.101 \| good	0.484 \| good
2025-10-28T09:00:00.000Z	58 \| moderate	13.452 \| fine	23.971 \| good	17.383 \| good	0.425 \| good	22.882 \| good	0.483 \| good
2025-10-28T10:00:00.000Z	60 \| moderate	13.84 \| fine	24.918 \| good	15.447 \| good	0.392 \| good	22.846 \| good	0.486 \| good
2025-10-28T11:00:00.000Z	60 \| moderate	14.22 \| fine	25.885 \| good	15.447 \| good	0.385 \| good	28.57 \| good	0.426 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T12:00:00.000Z	62 \| moderate	15.002 \| fine	27.081 \| good	17.17 \| good	0.41 \| good	24.928 \| good	0.482 \| good
2025-10-26T02:00:00.000Z	49 \| good	8.802 \| good	38.65 \| good	32.153 \| good	1.618 \| good	16.067 \| good	0.234 \| good
2025-10-26T03:00:00.000Z	49 \| good	9.402 \| good	41.904 \| good	27.124 \| good	1.591 \| good	20.134 \| good	0.261 \| good
2025-10-26T04:00:00.000Z	52 \| moderate	10.334 \| good	45.731 \| good	22.041 \| good	1.639 \| good	22.215 \| good	0.283 \| good
2025-10-26T05:00:00.000Z	54 \| moderate	10.979 \| good	48.434 \| good	16.32 \| good	1.686 \| good	24.297 \| good	0.305 \| good
2025-10-26T06:00:00.000Z	54 \| moderate	10.981 \| good	48.831 \| good	14.432 \| good	1.734 \| good	26.378 \| good	0.326 \| good
2025-10-26T07:00:00.000Z	52 \| moderate	10.455 \| good	46.402 \| good	14.672 \| good	1.573 \| good	25.572 \| good	0.337 \| good
2025-10-26T08:00:00.000Z	56 \| moderate	11.795 \| good	52.606 \| good	17.7 \| good	1.412 \| good	24.766 \| good	0.348 \| good
2025-10-26T09:00:00.000Z	56 \| moderate	12.331 \| fine	55.093 \| fine	18.453 \| good	1.25 \| good	23.96 \| good	0.359 \| good
2025-10-26T10:00:00.000Z	56 \| moderate	11.712 \| good	52.081 \| good	17.047 \| good	1.123 \| good	22.055 \| good	0.344 \| good
2025-10-26T11:00:00.000Z	54 \| moderate	10.644 \| good	47.298 \| good	14.085 \| good	0.996 \| good	20.15 \| good	0.329 \| good
2025-10-26T12:00:00.000Z	54 \| moderate	10.71 \| good	47.392 \| good	11.43 \| good	0.869 \| good	18.245 \| good	0.315 \| good
2025-10-26T13:00:00.000Z	56 \| moderate	11.522 \| good	51.078 \| good	7.479 \| good	0.945 \| good	17.142 \| good	0.337 \| good
2025-10-26T14:00:00.000Z	58 \| moderate	12.777 \| fine	57.224 \| fine	7.826 \| good	1.022 \| good	16.039 \| good	0.359 \| good
2025-10-26T15:00:00.000Z	60 \| moderate	13.901 \| fine	62.175 \| fine	16.48 \| good	1.098 \| good	14.937 \| good	0.382 \| good
2025-10-26T16:00:00.000Z	56 \| moderate	12.319 \| fine	55.705 \| fine	27.244 \| good	1.525 \| good	14.42 \| good	0.349 \| good
2025-10-26T17:00:00.000Z	44 \| good	7.664 \| good	33.79 \| good	33.128 \| good	1.952 \| good	13.903 \| good	0.317 \| good
2025-10-26T18:00:00.000Z	37 \| good	5.935 \| good	25.877 \| good	40.08 \| good	2.379 \| good	13.387 \| good	0.285 \| good
2025-10-26T19:00:00.000Z	40 \| good	5.679 \| good	24.382 \| good	43.382 \| good	2.275 \| good	11.693 \| good	0.249 \| good
2025-10-26T20:00:00.000Z	41 \| good	6.392 \| good	28.326 \| good	43.741 \| good	2.17 \| good	9.998 \| good	0.214 \| good
2025-10-26T21:00:00.000Z	42 \| good	5.046 \| good	21.698 \| good	45.303 \| good	2.066 \| good	8.304 \| good	0.178 \| good
2025-10-26T22:00:00.000Z	40 \| good	4.924 \| good	21.594 \| good	42.529 \| good	1.946 \| good	8.414 \| good	0.173 \| good
2025-10-26T23:00:00.000Z	38 \| good	5.205 \| good	22.408 \| good	40.751 \| good	1.825 \| good	8.525 \| good	0.167 \| good
2025-10-27T00:00:00.000Z	38 \| good	6.945 \| good	30.693 \| good	41.397 \| good	1.704 \| good	8.635 \| good	0.162 \| good
2025-10-27T01:00:00.000Z	38 \| good	6.948 \| good	30.693 \| good	39.684 \| good	1.762 \| good	14.508 \| good	0.206 \| good
2025-10-27T02:00:00.000Z	38 \| good	7.459 \| good	32.848 \| good	35.487 \| good	1.82 \| good	20.382 \| good	0.25 \| good
2025-10-27T03:00:00.000Z	44 \| good	7.809 \| good	34.427 \| good	32.98 \| good	1.878 \| good	26.255 \| good	0.295 \| good
2025-10-27T04:00:00.000Z	44 \| good	8.485 \| good	37.435 \| good	26.644 \| good	1.974 \| good	26.698 \| good	0.329 \| good
2025-10-27T05:00:00.000Z	49 \| good	8.914 \| good	39.427 \| good	24.891 \| good	2.069 \| good	27.141 \| good	0.363 \| good
2025-10-27T06:00:00.000Z	52 \| moderate	9.669 \| good	42.93 \| good	20.474 \| good	2.164 \| good	27.584 \| good	0.397 \| good
2025-10-27T07:00:00.000Z	52 \| moderate	9.849 \| good	43.513 \| good	15.6 \| good	1.918 \| good	26.245 \| good	0.391 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.073 \| good	39.926 \| good	15.454 \| good	1.673 \| good	24.905 \| good	0.386 \| good
2025-10-27T09:00:00.000Z	44 \| good	8.126 \| good	35.766 \| good	14.169 \| good	1.427 \| good	23.565 \| good	0.38 \| good
2025-10-27T10:00:00.000Z	44 \| good	7.636 \| good	33.774 \| good	11.739 \| good	1.295 \| good	21.879 \| good	0.36 \| good
2025-10-27T11:00:00.000Z	44 \| good	7.526 \| good	33.38 \| good	6.874 \| good	1.162 \| good	20.192 \| good	0.341 \| good
2025-10-27T12:00:00.000Z	38 \| good	7.136 \| good	31.442 \| good	6.591 \| good	1.029 \| good	18.506 \| good	0.321 \| good
2025-10-27T13:00:00.000Z	44 \| good	7.58 \| good	33.409 \| good	3.709 \| good	1.079 \| good	17.491 \| good	0.348 \| good
2025-10-27T14:00:00.000Z	44 \| good	8.203 \| good	36.405 \| good	3.697 \| good	1.129 \| good	16.476 \| good	0.375 \| good
2025-10-27T15:00:00.000Z	52 \| moderate	9.687 \| good	43.11 \| good	8.573 \| good	1.178 \| good	15.461 \| good	0.402 \| good
2025-10-27T16:00:00.000Z	38 \| good	6.796 \| good	30.18 \| good	21.083 \| good	1.923 \| good	15.4 \| good	0.369 \| good
2025-10-27T17:00:00.000Z	27 \| good	5.353 \| good	23.181 \| good	27.971 \| good	2.667 \| good	15.339 \| good	0.336 \| good
2025-10-27T18:00:00.000Z	36 \| good	4.394 \| good	18.778 \| good	38.785 \| good	3.411 \| good	15.277 \| good	0.303 \| good
2025-10-27T19:00:00.000Z	45 \| good	5.263 \| good	22.839 \| good	48.564 \| good	3.348 \| good	13.96 \| good	0.281 \| good
2025-10-27T20:00:00.000Z	54 \| moderate	6.765 \| good	29.762 \| good	56.052 \| fine	3.286 \| good	12.643 \| good	0.259 \| good
2025-10-27T21:00:00.000Z	61 \| moderate	8.975 \| good	39.643 \| good	57.829 \| fine	3.223 \| good	11.326 \| good	0.237 \| good
2025-10-27T22:00:00.000Z	52 \| moderate	9.779 \| good	43.628 \| good	53.457 \| good	3.256 \| good	11.165 \| good	0.231 \| good
2025-10-27T23:00:00.000Z	52 \| moderate	9.834 \| good	43.7 \| good	50.07 \| good	3.289 \| good	11.004 \| good	0.224 \| good
2025-10-28T00:00:00.000Z	67 \| moderate	18.281 \| fine	20.581 \| good	49.273 \| good	3.293 \| good	10.866 \| good	0.218 \| good
2025-10-28T01:00:00.000Z	49 \| good	9.017 \| good	39.819 \| good	45.112 \| good	3.287 \| good	15.633 \| good	0.254 \| good

La Mesa

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

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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 03:00:00 on 2025-10-25.

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 12:00:00 on 2025-10-26.

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

The current air quality in La Mesa, California is 52, 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 9.848 μg/m³.

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

The current PM₁₀ concentration at La Mesa, California is 23.183 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 0.307 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 0.86 ppb.

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

The current ozone (O₃) concentration at La Mesa, California is 44.625 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 8.116 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-26T13:00:00.000Z	54 \| moderate	10.666 \| good	16.002 \| good	16.592 \| good	0.298 \| good	12.662 \| good	0.447 \| good
2025-10-26T14:00:00.000Z	54 \| moderate	10.556 \| good	15.014 \| good	17.576 \| good	0.325 \| good	12.296 \| good	0.429 \| good
2025-10-26T15:00:00.000Z	52 \| moderate	10.266 \| good	15.999 \| good	19.525 \| good	0.394 \| good	12.791 \| good	0.414 \| good
2025-10-26T16:00:00.000Z	52 \| moderate	10.084 \| good	15.084 \| good	19.562 \| good	0.403 \| good	13.127 \| good	0.432 \| good
2025-10-26T17:00:00.000Z	52 \| moderate	10.38 \| good	16.109 \| good	25.417 \| good	0.415 \| good	13.051 \| good	0.388 \| good
2025-10-26T18:00:00.000Z	54 \| moderate	10.677 \| good	17.137 \| good	29.369 \| good	1.426 \| good	10.01 \| good	0.368 \| good
2025-10-26T19:00:00.000Z	54 \| moderate	11.269 \| good	19.109 \| good	32.372 \| good	2.016 \| good	9.438 \| good	0.343 \| good
2025-10-26T20:00:00.000Z	54 \| moderate	11.264 \| good	20.079 \| good	40.164 \| good	1.275 \| good	9.782 \| good	0.308 \| good
2025-10-26T21:00:00.000Z	54 \| moderate	11.149 \| good	20.991 \| good	46.932 \| good	1.438 \| good	7.572 \| good	0.29 \| good
2025-10-26T22:00:00.000Z	54 \| moderate	10.717 \| good	20.892 \| good	45.923 \| good	1.328 \| good	6.42 \| good	0.273 \| good
2025-10-26T23:00:00.000Z	52 \| moderate	10.006 \| good	19.887 \| good	43.997 \| good	1.059 \| good	4.577 \| good	0.237 \| good
2025-10-27T00:00:00.000Z	44 \| good	8.26 \| good	17.93 \| good	43.922 \| good	0.466 \| good	5.058 \| good	0.237 \| good
2025-10-27T01:00:00.000Z	38 \| good	7.283 \| good	16.921 \| good	40.992 \| good	0.458 \| good	4.611 \| good	0.255 \| good
2025-10-27T02:00:00.000Z	38 \| good	6.99 \| good	16.917 \| good	35.132 \| good	0.417 \| good	6.876 \| good	0.291 \| good
2025-10-27T03:00:00.000Z	38 \| good	6.987 \| good	15.936 \| good	35.13 \| good	0.399 \| good	7.675 \| good	0.271 \| good
2025-10-27T04:00:00.000Z	38 \| good	7.09 \| good	15.932 \| good	33.097 \| good	0.322 \| good	9.039 \| good	0.255 \| good
2025-10-27T05:00:00.000Z	38 \| good	7.497 \| good	15.98 \| good	31.957 \| good	0.396 \| good	7.914 \| good	0.272 \| good
2025-10-27T06:00:00.000Z	44 \| good	8.268 \| good	15.964 \| good	29.012 \| good	0.331 \| good	10.17 \| good	0.294 \| good
2025-10-27T07:00:00.000Z	49 \| good	8.845 \| good	16.916 \| good	25.129 \| good	0.316 \| good	14.118 \| good	0.294 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.035 \| good	16.899 \| good	25.082 \| good	0.305 \| good	15.392 \| good	0.324 \| good
2025-10-27T09:00:00.000Z	49 \| good	9.325 \| good	16.891 \| good	25.035 \| good	0.316 \| good	12.188 \| good	0.312 \| good
2025-10-27T10:00:00.000Z	52 \| moderate	10.1 \| good	17.865 \| good	26.079 \| good	0.29 \| good	15.327 \| good	0.331 \| good
2025-10-27T11:00:00.000Z	54 \| moderate	10.504 \| good	19.809 \| good	26.079 \| good	0.422 \| good	14.036 \| good	0.349 \| good
2025-10-27T12:00:00.000Z	54 \| moderate	11.009 \| good	20.816 \| good	26.079 \| good	0.382 \| good	17.019 \| good	0.35 \| good
2025-10-27T13:00:00.000Z	54 \| moderate	10.843 \| good	19.899 \| good	26.015 \| good	0.396 \| good	13.366 \| good	0.35 \| good
2025-10-27T14:00:00.000Z	54 \| moderate	11.058 \| good	19.933 \| good	22.339 \| good	0.428 \| good	14.366 \| good	0.349 \| good
2025-10-27T15:00:00.000Z	54 \| moderate	11.003 \| good	20.005 \| good	22.346 \| good	0.512 \| good	13.347 \| good	0.367 \| good
2025-10-27T16:00:00.000Z	54 \| moderate	11.025 \| good	21.077 \| good	22.37 \| good	0.491 \| good	15.208 \| good	0.367 \| good
2025-10-27T17:00:00.000Z	56 \| moderate	11.525 \| good	22.065 \| good	24.322 \| good	0.433 \| good	14.852 \| good	0.313 \| good
2025-10-27T18:00:00.000Z	56 \| moderate	12.223 \| fine	23.068 \| good	28.216 \| good	0.857 \| good	17.087 \| good	0.332 \| good
2025-10-27T19:00:00.000Z	56 \| moderate	12.462 \| fine	24.136 \| good	28.245 \| good	0.829 \| good	17.349 \| good	0.306 \| good
2025-10-27T20:00:00.000Z	58 \| moderate	12.732 \| fine	27.081 \| good	37.136 \| good	0.693 \| good	16.614 \| good	0.271 \| good
2025-10-27T21:00:00.000Z	58 \| moderate	12.692 \| fine	28.013 \| good	40.104 \| good	0.71 \| good	14.003 \| good	0.23 \| good
2025-10-27T22:00:00.000Z	56 \| moderate	12.202 \| fine	26.061 \| good	45.022 \| good	0.504 \| good	12.403 \| good	0.229 \| good
2025-10-27T23:00:00.000Z	56 \| moderate	11.517 \| good	25.108 \| good	47.024 \| good	0.41 \| good	10.198 \| good	0.237 \| good
2025-10-28T00:00:00.000Z	54 \| moderate	10.817 \| good	25.001 \| good	47.983 \| good	0.441 \| good	9.799 \| good	0.28 \| good
2025-10-28T01:00:00.000Z	52 \| moderate	10.406 \| good	23.014 \| good	46.991 \| good	0.433 \| good	10.533 \| good	0.297 \| good
2025-10-28T02:00:00.000Z	52 \| moderate	10.495 \| good	23.002 \| good	43.98 \| good	0.382 \| good	13.659 \| good	0.298 \| good
2025-10-28T03:00:00.000Z	58 \| moderate	13.2 \| fine	59.005 \| fine	25.688 \| good	2.22 \| good	21.688 \| good	0.282 \| good
2025-10-28T04:00:00.000Z	54 \| moderate	10.704 \| good	22.026 \| good	36.122 \| good	0.398 \| good	20.899 \| good	0.388 \| good
2025-10-28T05:00:00.000Z	54 \| moderate	11.396 \| good	22.018 \| good	34.121 \| good	0.371 \| good	22.23 \| good	0.393 \| good
2025-10-28T06:00:00.000Z	56 \| moderate	11.884 \| good	22.999 \| good	27.288 \| good	0.391 \| good	23.99 \| good	0.393 \| good
2025-10-28T07:00:00.000Z	56 \| moderate	12.274 \| fine	22.977 \| good	24.277 \| good	0.392 \| good	24.878 \| good	0.393 \| good
2025-10-28T08:00:00.000Z	58 \| moderate	12.867 \| fine	23.934 \| good	20.29 \| good	0.333 \| good	26.101 \| good	0.484 \| good
2025-10-28T09:00:00.000Z	58 \| moderate	13.452 \| fine	23.971 \| good	17.383 \| good	0.425 \| good	22.882 \| good	0.483 \| good
2025-10-28T10:00:00.000Z	60 \| moderate	13.84 \| fine	24.918 \| good	15.447 \| good	0.392 \| good	22.846 \| good	0.486 \| good
2025-10-28T11:00:00.000Z	60 \| moderate	14.22 \| fine	25.885 \| good	15.447 \| good	0.385 \| good	28.57 \| good	0.426 \| good
2025-10-28T12:00:00.000Z	60 \| moderate	14.213 \| fine	24.916 \| good	15.447 \| good	0.418 \| good	28.682 \| good	0.487 \| good
2025-10-28T12:00:00.000Z	62 \| moderate	15.002 \| fine	27.081 \| good	17.17 \| good	0.41 \| good	24.928 \| good	0.482 \| good
2025-10-26T02:00:00.000Z	49 \| good	8.802 \| good	38.65 \| good	32.153 \| good	1.618 \| good	16.067 \| good	0.234 \| good
2025-10-26T03:00:00.000Z	49 \| good	9.402 \| good	41.904 \| good	27.124 \| good	1.591 \| good	20.134 \| good	0.261 \| good
2025-10-26T04:00:00.000Z	52 \| moderate	10.334 \| good	45.731 \| good	22.041 \| good	1.639 \| good	22.215 \| good	0.283 \| good
2025-10-26T05:00:00.000Z	54 \| moderate	10.979 \| good	48.434 \| good	16.32 \| good	1.686 \| good	24.297 \| good	0.305 \| good
2025-10-26T06:00:00.000Z	54 \| moderate	10.981 \| good	48.831 \| good	14.432 \| good	1.734 \| good	26.378 \| good	0.326 \| good
2025-10-26T07:00:00.000Z	52 \| moderate	10.455 \| good	46.402 \| good	14.672 \| good	1.573 \| good	25.572 \| good	0.337 \| good
2025-10-26T08:00:00.000Z	56 \| moderate	11.795 \| good	52.606 \| good	17.7 \| good	1.412 \| good	24.766 \| good	0.348 \| good
2025-10-26T09:00:00.000Z	56 \| moderate	12.331 \| fine	55.093 \| fine	18.453 \| good	1.25 \| good	23.96 \| good	0.359 \| good
2025-10-26T10:00:00.000Z	56 \| moderate	11.712 \| good	52.081 \| good	17.047 \| good	1.123 \| good	22.055 \| good	0.344 \| good
2025-10-26T11:00:00.000Z	54 \| moderate	10.644 \| good	47.298 \| good	14.085 \| good	0.996 \| good	20.15 \| good	0.329 \| good
2025-10-26T12:00:00.000Z	54 \| moderate	10.71 \| good	47.392 \| good	11.43 \| good	0.869 \| good	18.245 \| good	0.315 \| good
2025-10-26T13:00:00.000Z	56 \| moderate	11.522 \| good	51.078 \| good	7.479 \| good	0.945 \| good	17.142 \| good	0.337 \| good
2025-10-26T14:00:00.000Z	58 \| moderate	12.777 \| fine	57.224 \| fine	7.826 \| good	1.022 \| good	16.039 \| good	0.359 \| good
2025-10-26T15:00:00.000Z	60 \| moderate	13.901 \| fine	62.175 \| fine	16.48 \| good	1.098 \| good	14.937 \| good	0.382 \| good
2025-10-26T16:00:00.000Z	56 \| moderate	12.319 \| fine	55.705 \| fine	27.244 \| good	1.525 \| good	14.42 \| good	0.349 \| good
2025-10-26T17:00:00.000Z	44 \| good	7.664 \| good	33.79 \| good	33.128 \| good	1.952 \| good	13.903 \| good	0.317 \| good
2025-10-26T18:00:00.000Z	37 \| good	5.935 \| good	25.877 \| good	40.08 \| good	2.379 \| good	13.387 \| good	0.285 \| good
2025-10-26T19:00:00.000Z	40 \| good	5.679 \| good	24.382 \| good	43.382 \| good	2.275 \| good	11.693 \| good	0.249 \| good
2025-10-26T20:00:00.000Z	41 \| good	6.392 \| good	28.326 \| good	43.741 \| good	2.17 \| good	9.998 \| good	0.214 \| good
2025-10-26T21:00:00.000Z	42 \| good	5.046 \| good	21.698 \| good	45.303 \| good	2.066 \| good	8.304 \| good	0.178 \| good
2025-10-26T22:00:00.000Z	40 \| good	4.924 \| good	21.594 \| good	42.529 \| good	1.946 \| good	8.414 \| good	0.173 \| good
2025-10-26T23:00:00.000Z	38 \| good	5.205 \| good	22.408 \| good	40.751 \| good	1.825 \| good	8.525 \| good	0.167 \| good
2025-10-27T00:00:00.000Z	38 \| good	6.945 \| good	30.693 \| good	41.397 \| good	1.704 \| good	8.635 \| good	0.162 \| good
2025-10-27T01:00:00.000Z	38 \| good	6.948 \| good	30.693 \| good	39.684 \| good	1.762 \| good	14.508 \| good	0.206 \| good
2025-10-27T02:00:00.000Z	38 \| good	7.459 \| good	32.848 \| good	35.487 \| good	1.82 \| good	20.382 \| good	0.25 \| good
2025-10-27T03:00:00.000Z	44 \| good	7.809 \| good	34.427 \| good	32.98 \| good	1.878 \| good	26.255 \| good	0.295 \| good
2025-10-27T04:00:00.000Z	44 \| good	8.485 \| good	37.435 \| good	26.644 \| good	1.974 \| good	26.698 \| good	0.329 \| good
2025-10-27T05:00:00.000Z	49 \| good	8.914 \| good	39.427 \| good	24.891 \| good	2.069 \| good	27.141 \| good	0.363 \| good
2025-10-27T06:00:00.000Z	52 \| moderate	9.669 \| good	42.93 \| good	20.474 \| good	2.164 \| good	27.584 \| good	0.397 \| good
2025-10-27T07:00:00.000Z	52 \| moderate	9.849 \| good	43.513 \| good	15.6 \| good	1.918 \| good	26.245 \| good	0.391 \| good
2025-10-27T08:00:00.000Z	49 \| good	9.073 \| good	39.926 \| good	15.454 \| good	1.673 \| good	24.905 \| good	0.386 \| good
2025-10-27T09:00:00.000Z	44 \| good	8.126 \| good	35.766 \| good	14.169 \| good	1.427 \| good	23.565 \| good	0.38 \| good
2025-10-27T10:00:00.000Z	44 \| good	7.636 \| good	33.774 \| good	11.739 \| good	1.295 \| good	21.879 \| good	0.36 \| good
2025-10-27T11:00:00.000Z	44 \| good	7.526 \| good	33.38 \| good	6.874 \| good	1.162 \| good	20.192 \| good	0.341 \| good
2025-10-27T12:00:00.000Z	38 \| good	7.136 \| good	31.442 \| good	6.591 \| good	1.029 \| good	18.506 \| good	0.321 \| good
2025-10-27T13:00:00.000Z	44 \| good	7.58 \| good	33.409 \| good	3.709 \| good	1.079 \| good	17.491 \| good	0.348 \| good
2025-10-27T14:00:00.000Z	44 \| good	8.203 \| good	36.405 \| good	3.697 \| good	1.129 \| good	16.476 \| good	0.375 \| good
2025-10-27T15:00:00.000Z	52 \| moderate	9.687 \| good	43.11 \| good	8.573 \| good	1.178 \| good	15.461 \| good	0.402 \| good
2025-10-27T16:00:00.000Z	38 \| good	6.796 \| good	30.18 \| good	21.083 \| good	1.923 \| good	15.4 \| good	0.369 \| good
2025-10-27T17:00:00.000Z	27 \| good	5.353 \| good	23.181 \| good	27.971 \| good	2.667 \| good	15.339 \| good	0.336 \| good
2025-10-27T18:00:00.000Z	36 \| good	4.394 \| good	18.778 \| good	38.785 \| good	3.411 \| good	15.277 \| good	0.303 \| good
2025-10-27T19:00:00.000Z	45 \| good	5.263 \| good	22.839 \| good	48.564 \| good	3.348 \| good	13.96 \| good	0.281 \| good
2025-10-27T20:00:00.000Z	54 \| moderate	6.765 \| good	29.762 \| good	56.052 \| fine	3.286 \| good	12.643 \| good	0.259 \| good
2025-10-27T21:00:00.000Z	61 \| moderate	8.975 \| good	39.643 \| good	57.829 \| fine	3.223 \| good	11.326 \| good	0.237 \| good
2025-10-27T22:00:00.000Z	52 \| moderate	9.779 \| good	43.628 \| good	53.457 \| good	3.256 \| good	11.165 \| good	0.231 \| good
2025-10-27T23:00:00.000Z	52 \| moderate	9.834 \| good	43.7 \| good	50.07 \| good	3.289 \| good	11.004 \| good	0.224 \| good
2025-10-28T00:00:00.000Z	67 \| moderate	18.281 \| fine	20.581 \| good	49.273 \| good	3.293 \| good	10.866 \| good	0.218 \| good
2025-10-28T01:00:00.000Z	49 \| good	9.017 \| good	39.819 \| good	45.112 \| good	3.287 \| good	15.633 \| good	0.254 \| 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?

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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?