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

The current PM10 concentration at La Mesa, California is 12.591 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 0.441 ppb.

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

The current ozone (O3) concentration at La Mesa, California is 26.708 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 6.277 ppb.

La Mesa, California live air quality index now

Name: Live air pollution levels in La Mesa, California today
Creator: Ambee

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)

3.48 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.56 μg/m³

155

255

425

605+

Ozone (O₃)

30.29 ppb

201

201+

Sulfur Dioxide (SO₂)

0.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.18 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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
2025-07-25T04:00:00.000Z	22 \| good	3.88 \| good	12.054 \| good	22.699 \| good	0.416 \| good	5.451 \| good	0.181 \| good
2025-07-25T05:00:00.000Z	22 \| good	3.887 \| good	11.063 \| good	21.37 \| good	0.415 \| good	6.957 \| good	0.171 \| good
2025-07-25T06:00:00.000Z	22 \| good	3.967 \| good	11.188 \| good	20.723 \| good	0.29 \| good	7.546 \| good	0.179 \| good
2025-07-25T07:00:00.000Z	22 \| good	3.983 \| good	10.564 \| good	20.612 \| good	0.372 \| good	7.593 \| good	0.181 \| good
2025-07-25T08:00:00.000Z	22 \| good	3.991 \| good	10.241 \| good	21.083 \| good	0.415 \| good	6.768 \| good	0.181 \| good
2025-07-25T09:00:00.000Z	22 \| good	4.057 \| good	10.975 \| good	21.109 \| good	0.299 \| good	7.312 \| good	0.163 \| good
2025-07-25T10:00:00.000Z	22 \| good	4.251 \| good	11.047 \| good	21.216 \| good	0.32 \| good	7.671 \| good	0.183 \| good
2025-07-25T11:00:00.000Z	22 \| good	4.465 \| good	11.187 \| good	21.425 \| good	0.27 \| good	7.385 \| good	0.163 \| good
2025-07-25T12:00:00.000Z	22 \| good	4.433 \| good	11.115 \| good	21.034 \| good	0.207 \| good	9.762 \| good	0.18 \| good
2025-07-25T13:00:00.000Z	22 \| good	4.47 \| good	11.332 \| good	21.262 \| good	0.275 \| good	12.712 \| good	0.271 \| good
2025-07-25T14:00:00.000Z	27 \| good	4.649 \| good	12.91 \| good	21.381 \| good	0.376 \| good	10.398 \| good	0.261 \| good
2025-07-25T15:00:00.000Z	27 \| good	4.798 \| good	14.435 \| good	22.157 \| good	0.344 \| good	8.954 \| good	0.207 \| good
2025-07-25T16:00:00.000Z	27 \| good	4.7 \| good	14.04 \| good	22.324 \| good	0.329 \| good	7.588 \| good	0.199 \| good
2025-07-25T17:00:00.000Z	27 \| good	4.832 \| good	15.15 \| good	23.894 \| good	0.402 \| good	5.664 \| good	0.171 \| good
2025-07-25T18:00:00.000Z	27 \| good	4.926 \| good	15.183 \| good	26.029 \| good	0.375 \| good	4.739 \| good	0.135 \| good
2025-07-25T19:00:00.000Z	31 \| good	4.751 \| good	15.466 \| good	32.777 \| good	0.304 \| good	4.774 \| good	0.145 \| good
2025-07-25T20:00:00.000Z	32 \| good	4.741 \| good	15.515 \| good	35.013 \| good	0.28 \| good	4.221 \| good	0.145 \| good
2025-07-25T21:00:00.000Z	31 \| good	4.548 \| good	16.13 \| good	33.324 \| good	0.22 \| good	3.678 \| good	0.163 \| good
2025-07-25T22:00:00.000Z	30 \| good	4.361 \| good	15.589 \| good	32.183 \| good	0.236 \| good	3.655 \| good	0.136 \| good
2025-07-25T23:00:00.000Z	30 \| good	4.229 \| good	15.696 \| good	31.743 \| good	0.258 \| good	4.448 \| good	0.124 \| good
2025-07-26T00:00:00.000Z	29 \| good	4.12 \| good	15.155 \| good	30.652 \| good	0.326 \| good	3.098 \| good	0.124 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.956 \| good	14.066 \| good	28.699 \| good	0.381 \| good	3.552 \| good	0.124 \| good
2025-07-26T02:00:00.000Z	25 \| good	3.867 \| good	13.469 \| good	26.747 \| good	0.36 \| good	3.51 \| good	0.145 \| good
2025-07-26T03:00:00.000Z	23 \| good	3.781 \| good	12.271 \| good	25.346 \| good	0.439 \| good	5.573 \| good	0.136 \| good
2025-07-26T04:00:00.000Z	22 \| good	3.707 \| good	11.244 \| good	23.765 \| good	0.339 \| good	5.394 \| good	0.171 \| good
2025-07-26T05:00:00.000Z	22 \| good	3.705 \| good	10.567 \| good	23.745 \| good	0.307 \| good	4.859 \| good	0.151 \| good
2025-07-26T06:00:00.000Z	22 \| good	3.76 \| good	10.454 \| good	23.177 \| good	0.29 \| good	5.03 \| good	0.151 \| good
2025-07-26T07:00:00.000Z	22 \| good	3.817 \| good	10.172 \| good	22.804 \| good	0.376 \| good	4.522 \| good	0.141 \| good
2025-07-26T08:00:00.000Z	22 \| good	3.843 \| good	10.426 \| good	23.389 \| good	0.222 \| good	4.267 \| good	0.133 \| good
2025-07-26T09:00:00.000Z	22 \| good	3.836 \| good	9.875 \| good	24.125 \| good	0.272 \| good	4.04 \| good	0.124 \| good
2025-07-26T10:00:00.000Z	22 \| good	3.784 \| good	9.947 \| good	24.393 \| good	0.32 \| good	5.734 \| good	0.135 \| good
2025-07-26T11:00:00.000Z	22 \| good	3.825 \| good	9.947 \| good	24.317 \| good	0.244 \| good	5.971 \| good	0.135 \| good
2025-07-26T12:00:00.000Z	23 \| good	3.847 \| good	9.749 \| good	24.627 \| good	0.186 \| good	5.95 \| good	0.153 \| good
2025-07-26T13:00:00.000Z	22 \| good	4.184 \| good	10.944 \| good	24.174 \| good	0.198 \| good	7.317 \| good	0.183 \| good
2025-07-26T14:00:00.000Z	27 \| good	4.575 \| good	14.203 \| good	24.264 \| good	0.268 \| good	7.434 \| good	0.169 \| good
2025-07-26T15:00:00.000Z	23 \| good	4.436 \| good	14 \| good	24.622 \| good	0.195 \| good	7.332 \| good	0.199 \| good
2025-07-26T16:00:00.000Z	24 \| good	4.157 \| good	11.862 \| good	25.635 \| good	0.159 \| good	6.939 \| good	0.173 \| good
2025-07-26T17:00:00.000Z	26 \| good	4.137 \| good	11.259 \| good	27.773 \| good	0.21 \| good	6.781 \| good	0.173 \| good
2025-07-26T18:00:00.000Z	28 \| good	4.079 \| good	11.7 \| good	30.398 \| good	0.2 \| good	6.893 \| good	0.135 \| good
2025-07-26T19:00:00.000Z	31 \| good	4.051 \| good	12.144 \| good	33.042 \| good	0.216 \| good	5.585 \| good	0.163 \| good
2025-07-26T20:00:00.000Z	32 \| good	4.007 \| good	12.197 \| good	34.619 \| good	0.257 \| good	4.676 \| good	0.163 \| good
2025-07-26T21:00:00.000Z	30 \| good	3.93 \| good	13.072 \| good	32.452 \| good	0.312 \| good	4.967 \| good	0.155 \| good
2025-07-26T22:00:00.000Z	30 \| good	3.806 \| good	13.255 \| good	31.61 \| good	0.3 \| good	4.114 \| good	0.155 \| good
2025-07-26T23:00:00.000Z	29 \| good	3.644 \| good	12.916 \| good	31.398 \| good	0.337 \| good	3.919 \| good	0.137 \| good
2025-07-27T00:00:00.000Z	29 \| good	3.575 \| good	11.916 \| good	31.343 \| good	0.527 \| good	4.245 \| good	0.163 \| good
2025-07-27T01:00:00.000Z	29 \| good	3.475 \| good	11.321 \| good	31.015 \| good	0.587 \| good	4.79 \| good	0.151 \| good
2025-07-27T02:00:00.000Z	28 \| good	3.484 \| good	10.556 \| good	30.294 \| good	0.574 \| good	5.178 \| good	0.161 \| good
2025-07-27T03:00:00.000Z	28 \| good	3.484 \| good	10.556 \| good	30.294 \| good	0.574 \| good	5.178 \| good	0.161 \| good
2025-07-24T07:00:00.000Z	19 \| good	2.265 \| good	9.103 \| good	19.566 \| good	0.863 \| good	9.74 \| good	0.168 \| good
2025-07-24T08:00:00.000Z	19 \| good	2.173 \| good	8.842 \| good	20.257 \| good	0.786 \| good	10.842 \| good	0.184 \| good
2025-07-24T09:00:00.000Z	18 \| good	2.752 \| good	11.285 \| good	18.501 \| good	0.71 \| good	11.944 \| good	0.2 \| good
2025-07-24T10:00:00.000Z	22 \| good	3.503 \| good	15.285 \| good	11.576 \| good	0.651 \| good	11.298 \| good	0.197 \| good
2025-07-24T11:00:00.000Z	22 \| good	3.851 \| good	16.915 \| good	11.658 \| good	0.591 \| good	10.652 \| good	0.194 \| good
2025-07-24T12:00:00.000Z	17 \| good	2.749 \| good	11.329 \| good	18.2 \| good	0.532 \| good	10.005 \| good	0.191 \| good
2025-07-24T13:00:00.000Z	22 \| good	3.546 \| good	15.745 \| good	23.204 \| good	0.708 \| good	8.12 \| good	0.175 \| good
2025-07-24T14:00:00.000Z	19 \| good	3.016 \| good	12.355 \| good	21.319 \| good	0.884 \| good	6.235 \| good	0.16 \| good
2025-07-24T15:00:00.000Z	21 \| good	2.812 \| good	11.438 \| good	22.592 \| good	1.06 \| good	4.351 \| good	0.145 \| good
2025-07-24T16:00:00.000Z	25 \| good	3.832 \| good	16.596 \| good	26.583 \| good	1.093 \| good	3.835 \| good	0.137 \| good
2025-07-24T17:00:00.000Z	28 \| good	2.039 \| good	8.54 \| good	30.154 \| good	1.125 \| good	3.32 \| good	0.129 \| good
2025-07-24T18:00:00.000Z	37 \| good	1.892 \| good	7.577 \| good	39.571 \| good	1.158 \| good	2.805 \| good	0.121 \| good
2025-07-24T19:00:00.000Z	41 \| good	2.527 \| good	10.213 \| good	44.431 \| good	1.075 \| good	2.396 \| good	0.117 \| good
2025-07-24T20:00:00.000Z	41 \| good	3.04 \| good	12.847 \| good	44.221 \| good	0.991 \| good	1.986 \| good	0.113 \| good
2025-07-24T21:00:00.000Z	37 \| good	2.659 \| good	11.055 \| good	39.836 \| good	0.908 \| good	1.576 \| good	0.108 \| good
2025-07-24T22:00:00.000Z	33 \| good	1.433 \| good	5.841 \| good	35.577 \| good	0.854 \| good	1.519 \| good	0.106 \| good
2025-07-24T23:00:00.000Z	31 \| good	1.036 \| good	4.302 \| good	34.115 \| good	0.801 \| good	1.461 \| good	0.104 \| good
2025-07-25T00:00:00.000Z	28 \| good	0.609 \| good	2.419 \| good	30.226 \| good	0.748 \| good	1.404 \| good	0.102 \| good
2025-07-25T01:00:00.000Z	25 \| good	0.465 \| good	1.651 \| good	27.419 \| good	0.76 \| good	2.26 \| good	0.106 \| good
2025-07-25T02:00:00.000Z	24 \| good	0.464 \| good	1.689 \| good	25.687 \| good	0.772 \| good	3.117 \| good	0.111 \| good
2025-07-25T03:00:00.000Z	20 \| good	0.522 \| good	2.079 \| good	22.494 \| good	0.785 \| good	3.973 \| good	0.115 \| good
2025-07-25T04:00:00.000Z	20 \| good	0.543 \| good	2.079 \| good	21.593 \| good	0.842 \| good	5.7 \| good	0.128 \| good
2025-07-25T05:00:00.000Z	19 \| good	0.586 \| good	2.162 \| good	19.866 \| good	0.899 \| good	7.427 \| good	0.141 \| good
2025-07-25T06:00:00.000Z	19 \| good	0.623 \| good	2.162 \| good	19.709 \| good	0.956 \| good	9.154 \| good	0.155 \| good
2025-07-25T07:00:00.000Z	18 \| good	0.551 \| good	2.042 \| good	19.253 \| good	0.866 \| good	9.87 \| good	0.167 \| good
2025-07-25T08:00:00.000Z	19 \| good	0.799 \| good	2.875 \| good	19.554 \| good	0.775 \| good	10.586 \| good	0.18 \| good
2025-07-25T09:00:00.000Z	18 \| good	1.799 \| good	7.436 \| good	18.524 \| good	0.685 \| good	11.302 \| good	0.193 \| good
2025-07-25T10:00:00.000Z	11 \| good	1.843 \| good	7.879 \| good	9.445 \| good	0.628 \| good	10.778 \| good	0.187 \| good
2025-07-25T11:00:00.000Z	16 \| good	2.767 \| good	11.346 \| good	8.291 \| good	0.572 \| good	10.253 \| good	0.18 \| good
2025-07-25T12:00:00.000Z	19 \| good	2.071 \| good	8.075 \| good	20.178 \| good	0.516 \| good	9.729 \| good	0.174 \| good
2025-07-25T13:00:00.000Z	19 \| good	2.957 \| good	12.37 \| good	20.104 \| good	0.672 \| good	7.934 \| good	0.16 \| good
2025-07-25T14:00:00.000Z	19 \| good	1.366 \| good	5.468 \| good	21.181 \| good	0.827 \| good	6.139 \| good	0.146 \| good
2025-07-25T15:00:00.000Z	20 \| good	1.76 \| good	7.332 \| good	21.989 \| good	0.983 \| good	4.345 \| good	0.132 \| good
2025-07-25T16:00:00.000Z	22 \| good	1.691 \| good	6.978 \| good	24.09 \| good	0.974 \| good	3.901 \| good	0.13 \| good
2025-07-25T17:00:00.000Z	25 \| good	1.826 \| good	7.511 \| good	27.476 \| good	0.964 \| good	3.458 \| good	0.128 \| good
2025-07-25T18:00:00.000Z	31 \| good	2.089 \| good	8.509 \| good	32.876 \| good	0.955 \| good	3.015 \| good	0.127 \| good
2025-07-25T19:00:00.000Z	33 \| good	2.88 \| good	11.77 \| good	36.419 \| good	0.91 \| good	2.596 \| good	0.125 \| good
2025-07-25T20:00:00.000Z	35 \| good	1.663 \| good	6.969 \| good	37.74 \| good	0.866 \| good	2.176 \| good	0.124 \| good
2025-07-25T21:00:00.000Z	33 \| good	1.489 \| good	6.075 \| good	36.029 \| good	0.822 \| good	1.757 \| good	0.122 \| good
2025-07-25T22:00:00.000Z	33 \| good	2.401 \| good	9.874 \| good	35.663 \| good	0.773 \| good	1.666 \| good	0.12 \| good
2025-07-25T23:00:00.000Z	31 \| good	2.159 \| good	8.75 \| good	33.066 \| good	0.724 \| good	1.575 \| good	0.117 \| good
2025-07-26T00:00:00.000Z	27 \| good	1.299 \| good	5.121 \| good	28.727 \| good	0.676 \| good	1.485 \| good	0.115 \| good
2025-07-26T01:00:00.000Z	24 \| good	0.79 \| good	2.938 \| good	25.855 \| good	0.703 \| good	2.307 \| good	0.119 \| good
2025-07-26T02:00:00.000Z	27 \| good	1.119 \| good	4.748 \| good	28.81 \| good	0.73 \| good	3.129 \| good	0.122 \| good
2025-07-26T03:00:00.000Z	26 \| good	1.286 \| good	5.237 \| good	27.555 \| good	0.757 \| good	3.951 \| good	0.126 \| good
2025-07-26T04:00:00.000Z	24 \| good	1.448 \| good	5.72 \| good	25.514 \| good	0.821 \| good	4.774 \| good	0.131 \| good
2025-07-26T05:00:00.000Z	24 \| good	1.575 \| good	6.46 \| good	26.157 \| good	0.885 \| good	5.597 \| good	0.135 \| good
2025-07-26T06:00:00.000Z	38 \| good	7.34 \| good	10.196 \| good	28.306 \| good	0.947 \| good	6.421 \| good	0.14 \| good

La Mesa

Get reliable air quality data to drive your business

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

0.14ppm

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 2025-07-23.

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 03:00:00 on 2025-07-24.

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

The current air quality in La Mesa, California is 27, 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 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 4.903 μg/m³.

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

The current PM₁₀ concentration at La Mesa, California is 12.591 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 0.197 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 0.441 ppb.

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

The current ozone (O₃) concentration at La Mesa, California is 26.708 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 6.277 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-25T04:00:00.000Z	22 \| good	3.88 \| good	12.054 \| good	22.699 \| good	0.416 \| good	5.451 \| good	0.181 \| good
2025-07-25T05:00:00.000Z	22 \| good	3.887 \| good	11.063 \| good	21.37 \| good	0.415 \| good	6.957 \| good	0.171 \| good
2025-07-25T06:00:00.000Z	22 \| good	3.967 \| good	11.188 \| good	20.723 \| good	0.29 \| good	7.546 \| good	0.179 \| good
2025-07-25T07:00:00.000Z	22 \| good	3.983 \| good	10.564 \| good	20.612 \| good	0.372 \| good	7.593 \| good	0.181 \| good
2025-07-25T08:00:00.000Z	22 \| good	3.991 \| good	10.241 \| good	21.083 \| good	0.415 \| good	6.768 \| good	0.181 \| good
2025-07-25T09:00:00.000Z	22 \| good	4.057 \| good	10.975 \| good	21.109 \| good	0.299 \| good	7.312 \| good	0.163 \| good
2025-07-25T10:00:00.000Z	22 \| good	4.251 \| good	11.047 \| good	21.216 \| good	0.32 \| good	7.671 \| good	0.183 \| good
2025-07-25T11:00:00.000Z	22 \| good	4.465 \| good	11.187 \| good	21.425 \| good	0.27 \| good	7.385 \| good	0.163 \| good
2025-07-25T12:00:00.000Z	22 \| good	4.433 \| good	11.115 \| good	21.034 \| good	0.207 \| good	9.762 \| good	0.18 \| good
2025-07-25T13:00:00.000Z	22 \| good	4.47 \| good	11.332 \| good	21.262 \| good	0.275 \| good	12.712 \| good	0.271 \| good
2025-07-25T14:00:00.000Z	27 \| good	4.649 \| good	12.91 \| good	21.381 \| good	0.376 \| good	10.398 \| good	0.261 \| good
2025-07-25T15:00:00.000Z	27 \| good	4.798 \| good	14.435 \| good	22.157 \| good	0.344 \| good	8.954 \| good	0.207 \| good
2025-07-25T16:00:00.000Z	27 \| good	4.7 \| good	14.04 \| good	22.324 \| good	0.329 \| good	7.588 \| good	0.199 \| good
2025-07-25T17:00:00.000Z	27 \| good	4.832 \| good	15.15 \| good	23.894 \| good	0.402 \| good	5.664 \| good	0.171 \| good
2025-07-25T18:00:00.000Z	27 \| good	4.926 \| good	15.183 \| good	26.029 \| good	0.375 \| good	4.739 \| good	0.135 \| good
2025-07-25T19:00:00.000Z	31 \| good	4.751 \| good	15.466 \| good	32.777 \| good	0.304 \| good	4.774 \| good	0.145 \| good
2025-07-25T20:00:00.000Z	32 \| good	4.741 \| good	15.515 \| good	35.013 \| good	0.28 \| good	4.221 \| good	0.145 \| good
2025-07-25T21:00:00.000Z	31 \| good	4.548 \| good	16.13 \| good	33.324 \| good	0.22 \| good	3.678 \| good	0.163 \| good
2025-07-25T22:00:00.000Z	30 \| good	4.361 \| good	15.589 \| good	32.183 \| good	0.236 \| good	3.655 \| good	0.136 \| good
2025-07-25T23:00:00.000Z	30 \| good	4.229 \| good	15.696 \| good	31.743 \| good	0.258 \| good	4.448 \| good	0.124 \| good
2025-07-26T00:00:00.000Z	29 \| good	4.12 \| good	15.155 \| good	30.652 \| good	0.326 \| good	3.098 \| good	0.124 \| good
2025-07-26T01:00:00.000Z	27 \| good	3.956 \| good	14.066 \| good	28.699 \| good	0.381 \| good	3.552 \| good	0.124 \| good
2025-07-26T02:00:00.000Z	25 \| good	3.867 \| good	13.469 \| good	26.747 \| good	0.36 \| good	3.51 \| good	0.145 \| good
2025-07-26T03:00:00.000Z	23 \| good	3.781 \| good	12.271 \| good	25.346 \| good	0.439 \| good	5.573 \| good	0.136 \| good
2025-07-26T04:00:00.000Z	22 \| good	3.707 \| good	11.244 \| good	23.765 \| good	0.339 \| good	5.394 \| good	0.171 \| good
2025-07-26T05:00:00.000Z	22 \| good	3.705 \| good	10.567 \| good	23.745 \| good	0.307 \| good	4.859 \| good	0.151 \| good
2025-07-26T06:00:00.000Z	22 \| good	3.76 \| good	10.454 \| good	23.177 \| good	0.29 \| good	5.03 \| good	0.151 \| good
2025-07-26T07:00:00.000Z	22 \| good	3.817 \| good	10.172 \| good	22.804 \| good	0.376 \| good	4.522 \| good	0.141 \| good
2025-07-26T08:00:00.000Z	22 \| good	3.843 \| good	10.426 \| good	23.389 \| good	0.222 \| good	4.267 \| good	0.133 \| good
2025-07-26T09:00:00.000Z	22 \| good	3.836 \| good	9.875 \| good	24.125 \| good	0.272 \| good	4.04 \| good	0.124 \| good
2025-07-26T10:00:00.000Z	22 \| good	3.784 \| good	9.947 \| good	24.393 \| good	0.32 \| good	5.734 \| good	0.135 \| good
2025-07-26T11:00:00.000Z	22 \| good	3.825 \| good	9.947 \| good	24.317 \| good	0.244 \| good	5.971 \| good	0.135 \| good
2025-07-26T12:00:00.000Z	23 \| good	3.847 \| good	9.749 \| good	24.627 \| good	0.186 \| good	5.95 \| good	0.153 \| good
2025-07-26T13:00:00.000Z	22 \| good	4.184 \| good	10.944 \| good	24.174 \| good	0.198 \| good	7.317 \| good	0.183 \| good
2025-07-26T14:00:00.000Z	27 \| good	4.575 \| good	14.203 \| good	24.264 \| good	0.268 \| good	7.434 \| good	0.169 \| good
2025-07-26T15:00:00.000Z	23 \| good	4.436 \| good	14 \| good	24.622 \| good	0.195 \| good	7.332 \| good	0.199 \| good
2025-07-26T16:00:00.000Z	24 \| good	4.157 \| good	11.862 \| good	25.635 \| good	0.159 \| good	6.939 \| good	0.173 \| good
2025-07-26T17:00:00.000Z	26 \| good	4.137 \| good	11.259 \| good	27.773 \| good	0.21 \| good	6.781 \| good	0.173 \| good
2025-07-26T18:00:00.000Z	28 \| good	4.079 \| good	11.7 \| good	30.398 \| good	0.2 \| good	6.893 \| good	0.135 \| good
2025-07-26T19:00:00.000Z	31 \| good	4.051 \| good	12.144 \| good	33.042 \| good	0.216 \| good	5.585 \| good	0.163 \| good
2025-07-26T20:00:00.000Z	32 \| good	4.007 \| good	12.197 \| good	34.619 \| good	0.257 \| good	4.676 \| good	0.163 \| good
2025-07-26T21:00:00.000Z	30 \| good	3.93 \| good	13.072 \| good	32.452 \| good	0.312 \| good	4.967 \| good	0.155 \| good
2025-07-26T22:00:00.000Z	30 \| good	3.806 \| good	13.255 \| good	31.61 \| good	0.3 \| good	4.114 \| good	0.155 \| good
2025-07-26T23:00:00.000Z	29 \| good	3.644 \| good	12.916 \| good	31.398 \| good	0.337 \| good	3.919 \| good	0.137 \| good
2025-07-27T00:00:00.000Z	29 \| good	3.575 \| good	11.916 \| good	31.343 \| good	0.527 \| good	4.245 \| good	0.163 \| good
2025-07-27T01:00:00.000Z	29 \| good	3.475 \| good	11.321 \| good	31.015 \| good	0.587 \| good	4.79 \| good	0.151 \| good
2025-07-27T02:00:00.000Z	28 \| good	3.484 \| good	10.556 \| good	30.294 \| good	0.574 \| good	5.178 \| good	0.161 \| good
2025-07-27T03:00:00.000Z	28 \| good	3.484 \| good	10.556 \| good	30.294 \| good	0.574 \| good	5.178 \| good	0.161 \| good
2025-07-24T07:00:00.000Z	19 \| good	2.265 \| good	9.103 \| good	19.566 \| good	0.863 \| good	9.74 \| good	0.168 \| good
2025-07-24T08:00:00.000Z	19 \| good	2.173 \| good	8.842 \| good	20.257 \| good	0.786 \| good	10.842 \| good	0.184 \| good
2025-07-24T09:00:00.000Z	18 \| good	2.752 \| good	11.285 \| good	18.501 \| good	0.71 \| good	11.944 \| good	0.2 \| good
2025-07-24T10:00:00.000Z	22 \| good	3.503 \| good	15.285 \| good	11.576 \| good	0.651 \| good	11.298 \| good	0.197 \| good
2025-07-24T11:00:00.000Z	22 \| good	3.851 \| good	16.915 \| good	11.658 \| good	0.591 \| good	10.652 \| good	0.194 \| good
2025-07-24T12:00:00.000Z	17 \| good	2.749 \| good	11.329 \| good	18.2 \| good	0.532 \| good	10.005 \| good	0.191 \| good
2025-07-24T13:00:00.000Z	22 \| good	3.546 \| good	15.745 \| good	23.204 \| good	0.708 \| good	8.12 \| good	0.175 \| good
2025-07-24T14:00:00.000Z	19 \| good	3.016 \| good	12.355 \| good	21.319 \| good	0.884 \| good	6.235 \| good	0.16 \| good
2025-07-24T15:00:00.000Z	21 \| good	2.812 \| good	11.438 \| good	22.592 \| good	1.06 \| good	4.351 \| good	0.145 \| good
2025-07-24T16:00:00.000Z	25 \| good	3.832 \| good	16.596 \| good	26.583 \| good	1.093 \| good	3.835 \| good	0.137 \| good
2025-07-24T17:00:00.000Z	28 \| good	2.039 \| good	8.54 \| good	30.154 \| good	1.125 \| good	3.32 \| good	0.129 \| good
2025-07-24T18:00:00.000Z	37 \| good	1.892 \| good	7.577 \| good	39.571 \| good	1.158 \| good	2.805 \| good	0.121 \| good
2025-07-24T19:00:00.000Z	41 \| good	2.527 \| good	10.213 \| good	44.431 \| good	1.075 \| good	2.396 \| good	0.117 \| good
2025-07-24T20:00:00.000Z	41 \| good	3.04 \| good	12.847 \| good	44.221 \| good	0.991 \| good	1.986 \| good	0.113 \| good
2025-07-24T21:00:00.000Z	37 \| good	2.659 \| good	11.055 \| good	39.836 \| good	0.908 \| good	1.576 \| good	0.108 \| good
2025-07-24T22:00:00.000Z	33 \| good	1.433 \| good	5.841 \| good	35.577 \| good	0.854 \| good	1.519 \| good	0.106 \| good
2025-07-24T23:00:00.000Z	31 \| good	1.036 \| good	4.302 \| good	34.115 \| good	0.801 \| good	1.461 \| good	0.104 \| good
2025-07-25T00:00:00.000Z	28 \| good	0.609 \| good	2.419 \| good	30.226 \| good	0.748 \| good	1.404 \| good	0.102 \| good
2025-07-25T01:00:00.000Z	25 \| good	0.465 \| good	1.651 \| good	27.419 \| good	0.76 \| good	2.26 \| good	0.106 \| good
2025-07-25T02:00:00.000Z	24 \| good	0.464 \| good	1.689 \| good	25.687 \| good	0.772 \| good	3.117 \| good	0.111 \| good
2025-07-25T03:00:00.000Z	20 \| good	0.522 \| good	2.079 \| good	22.494 \| good	0.785 \| good	3.973 \| good	0.115 \| good
2025-07-25T04:00:00.000Z	20 \| good	0.543 \| good	2.079 \| good	21.593 \| good	0.842 \| good	5.7 \| good	0.128 \| good
2025-07-25T05:00:00.000Z	19 \| good	0.586 \| good	2.162 \| good	19.866 \| good	0.899 \| good	7.427 \| good	0.141 \| good
2025-07-25T06:00:00.000Z	19 \| good	0.623 \| good	2.162 \| good	19.709 \| good	0.956 \| good	9.154 \| good	0.155 \| good
2025-07-25T07:00:00.000Z	18 \| good	0.551 \| good	2.042 \| good	19.253 \| good	0.866 \| good	9.87 \| good	0.167 \| good
2025-07-25T08:00:00.000Z	19 \| good	0.799 \| good	2.875 \| good	19.554 \| good	0.775 \| good	10.586 \| good	0.18 \| good
2025-07-25T09:00:00.000Z	18 \| good	1.799 \| good	7.436 \| good	18.524 \| good	0.685 \| good	11.302 \| good	0.193 \| good
2025-07-25T10:00:00.000Z	11 \| good	1.843 \| good	7.879 \| good	9.445 \| good	0.628 \| good	10.778 \| good	0.187 \| good
2025-07-25T11:00:00.000Z	16 \| good	2.767 \| good	11.346 \| good	8.291 \| good	0.572 \| good	10.253 \| good	0.18 \| good
2025-07-25T12:00:00.000Z	19 \| good	2.071 \| good	8.075 \| good	20.178 \| good	0.516 \| good	9.729 \| good	0.174 \| good
2025-07-25T13:00:00.000Z	19 \| good	2.957 \| good	12.37 \| good	20.104 \| good	0.672 \| good	7.934 \| good	0.16 \| good
2025-07-25T14:00:00.000Z	19 \| good	1.366 \| good	5.468 \| good	21.181 \| good	0.827 \| good	6.139 \| good	0.146 \| good
2025-07-25T15:00:00.000Z	20 \| good	1.76 \| good	7.332 \| good	21.989 \| good	0.983 \| good	4.345 \| good	0.132 \| good
2025-07-25T16:00:00.000Z	22 \| good	1.691 \| good	6.978 \| good	24.09 \| good	0.974 \| good	3.901 \| good	0.13 \| good
2025-07-25T17:00:00.000Z	25 \| good	1.826 \| good	7.511 \| good	27.476 \| good	0.964 \| good	3.458 \| good	0.128 \| good
2025-07-25T18:00:00.000Z	31 \| good	2.089 \| good	8.509 \| good	32.876 \| good	0.955 \| good	3.015 \| good	0.127 \| good
2025-07-25T19:00:00.000Z	33 \| good	2.88 \| good	11.77 \| good	36.419 \| good	0.91 \| good	2.596 \| good	0.125 \| good
2025-07-25T20:00:00.000Z	35 \| good	1.663 \| good	6.969 \| good	37.74 \| good	0.866 \| good	2.176 \| good	0.124 \| good
2025-07-25T21:00:00.000Z	33 \| good	1.489 \| good	6.075 \| good	36.029 \| good	0.822 \| good	1.757 \| good	0.122 \| good
2025-07-25T22:00:00.000Z	33 \| good	2.401 \| good	9.874 \| good	35.663 \| good	0.773 \| good	1.666 \| good	0.12 \| good
2025-07-25T23:00:00.000Z	31 \| good	2.159 \| good	8.75 \| good	33.066 \| good	0.724 \| good	1.575 \| good	0.117 \| good
2025-07-26T00:00:00.000Z	27 \| good	1.299 \| good	5.121 \| good	28.727 \| good	0.676 \| good	1.485 \| good	0.115 \| good
2025-07-26T01:00:00.000Z	24 \| good	0.79 \| good	2.938 \| good	25.855 \| good	0.703 \| good	2.307 \| good	0.119 \| good
2025-07-26T02:00:00.000Z	27 \| good	1.119 \| good	4.748 \| good	28.81 \| good	0.73 \| good	3.129 \| good	0.122 \| good
2025-07-26T03:00:00.000Z	26 \| good	1.286 \| good	5.237 \| good	27.555 \| good	0.757 \| good	3.951 \| good	0.126 \| good
2025-07-26T04:00:00.000Z	24 \| good	1.448 \| good	5.72 \| good	25.514 \| good	0.821 \| good	4.774 \| good	0.131 \| good
2025-07-26T05:00:00.000Z	24 \| good	1.575 \| good	6.46 \| good	26.157 \| good	0.885 \| good	5.597 \| good	0.135 \| good
2025-07-26T06:00:00.000Z	38 \| good	7.34 \| good	10.196 \| good	28.306 \| good	0.947 \| good	6.421 \| good	0.14 \| 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?