What is the sulfur dioxide (SO2) level in National City, California at the moment?

Currently, National City, California has a sulfur dioxide (SO2) concentration of 0.422 ppb.

What is the ozone (O3) level in National City, California at the moment?

The current ozone (O3) level in National City, California at the moment is 30.336 ppm.

What is the nitrogen dioxide (NO2) level in National City, California at the moment?

Nitrogen dioxide (NO2) level in National City, California at the moment is 23.786 ppb.

Live air quality index in National City, California today

Q: What is the PM2.5 level in National City, California at the moment?

PM2.5 levels in National City, California are currently 18.234 μg/m3.

Q: What is the PM10 level in National City, California at the moment?

The PM10 concentration in National City, California is 36.738 μg/m3 at the moment.

Stay updated with real-time air quality in National City, 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

National City, California

Last updated: ... (Local time)

Major air pollutants in National City, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.23 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.74 μg/m³

155

255

425

605+

Ozone (O₃)

30.34 ppb

201

201+

Sulfur Dioxide (SO₂)

0.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

National City, California

Get Live Pollen Counts

National City, California

Scroll To Air Quality Map

Track live National City, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	71 \| moderate	19.957 \| fine	38.122 \| good	41.092 \| good	0.281 \| good	24.764 \| good	0.508 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	22.965 \| fine	41.849 \| good	39.475 \| good	0.402 \| good	28.388 \| good	0.608 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.994 \| fine	48.811 \| good	37.514 \| good	0.437 \| good	25.204 \| good	0.726 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.705 \| fine	56.686 \| fine	32.075 \| good	0.566 \| good	16.707 \| good	0.738 \| good
2025-12-14T05:00:00.000Z	102 \| sensitive	35.515 \| moderate	63.368 \| fine	25.899 \| good	0.376 \| good	14.087 \| good	0.761 \| good
2025-12-14T06:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.951 \| good	0.578 \| good	13.275 \| good	0.81 \| good
2025-12-14T07:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.75 \| good	0.6 \| good	15.26 \| good	0.81 \| good
2025-12-14T08:00:00.000Z	99 \| moderate	34.821 \| fine	64.526 \| fine	21.577 \| good	0.815 \| good	22.432 \| good	0.839 \| good
2025-12-14T09:00:00.000Z	94 \| moderate	32.492 \| fine	59.578 \| fine	21.564 \| good	0.625 \| good	21.29 \| good	0.801 \| good
2025-12-14T10:00:00.000Z	86 \| moderate	28.214 \| fine	52.367 \| good	21.511 \| good	0.632 \| good	17.024 \| good	0.739 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.249 \| fine	43.065 \| good	21.136 \| good	0.622 \| good	18.558 \| good	0.739 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.911 \| good	0.587 \| good	19.455 \| good	0.742 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.043 \| good	0.62 \| good	16.155 \| good	0.977 \| good
2025-12-14T14:00:00.000Z	62 \| moderate	14.947 \| fine	28.194 \| good	14.484 \| good	0.524 \| good	17.547 \| good	0.758 \| good
2025-12-14T15:00:00.000Z	58 \| moderate	13.108 \| fine	24.591 \| good	16.514 \| good	0.515 \| good	14.979 \| good	0.776 \| good
2025-12-14T16:00:00.000Z	54 \| moderate	11.051 \| good	20.156 \| good	18.651 \| good	0.624 \| good	19.524 \| good	0.775 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.619 \| good	17.317 \| good	18.842 \| good	0.658 \| good	27.702 \| good	0.772 \| good
2025-12-14T18:00:00.000Z	49 \| good	9.277 \| good	16.548 \| good	19.698 \| good	0.476 \| good	27.976 \| good	0.654 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.75 \| good	20.132 \| good	23.772 \| good	0.311 \| good	29.981 \| good	0.616 \| good
2025-12-14T20:00:00.000Z	64 \| moderate	15.546 \| fine	29.233 \| good	27.087 \| good	0.449 \| good	27.947 \| good	0.487 \| good
2025-12-14T21:00:00.000Z	75 \| moderate	22.178 \| fine	41.083 \| good	29.087 \| good	0.438 \| good	23.173 \| good	0.505 \| good
2025-12-14T22:00:00.000Z	84 \| moderate	27.341 \| fine	50.763 \| good	33.827 \| good	0.358 \| good	23.425 \| good	0.457 \| good
2025-12-14T23:00:00.000Z	81 \| moderate	25.061 \| fine	45.723 \| good	37.134 \| good	0.289 \| good	15.84 \| good	0.419 \| good
2025-12-15T00:00:00.000Z	71 \| moderate	19.525 \| fine	37.365 \| good	37.315 \| good	0.251 \| good	10.614 \| good	0.438 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.959 \| fine	28.648 \| good	34.416 \| good	0.302 \| good	13.766 \| good	0.464 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.998 \| fine	29.026 \| good	32.49 \| good	0.348 \| good	10.239 \| good	0.569 \| good
2025-12-15T03:00:00.000Z	69 \| moderate	19.478 \| fine	34.571 \| good	30.505 \| good	0.403 \| good	14.54 \| good	0.643 \| good
2025-12-15T04:00:00.000Z	75 \| moderate	22.12 \| fine	39.924 \| good	31.086 \| good	0.43 \| good	21.61 \| good	0.78 \| good
2025-12-15T05:00:00.000Z	81 \| moderate	24.658 \| fine	44.687 \| good	28.354 \| good	0.403 \| good	25.05 \| good	0.761 \| good
2025-12-15T06:00:00.000Z	82 \| moderate	26.463 \| fine	48.138 \| good	27.839 \| good	0.592 \| good	25.038 \| good	0.772 \| good
2025-12-15T07:00:00.000Z	84 \| moderate	26.724 \| fine	44.321 \| good	27.817 \| good	0.594 \| good	17.271 \| good	0.772 \| good
2025-12-15T08:00:00.000Z	77 \| moderate	22.715 \| fine	40.381 \| good	26.249 \| good	0.725 \| good	23.382 \| good	0.809 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	22.201 \| fine	38.555 \| good	26.007 \| good	0.655 \| good	27.018 \| good	0.785 \| good
2025-12-15T10:00:00.000Z	77 \| moderate	22.688 \| fine	39.934 \| good	26.821 \| good	0.576 \| good	21.968 \| good	0.752 \| good
2025-12-15T11:00:00.000Z	73 \| moderate	21.185 \| fine	38.133 \| good	26.616 \| good	0.667 \| good	22.827 \| good	0.674 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.611 \| good	0.523 \| good	18.66 \| good	0.603 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.198 \| good	0.52 \| good	17.412 \| good	0.603 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.23 \| good	20.088 \| good	16.75 \| good	0.594 \| good	18.166 \| good	0.737 \| good
2025-12-15T15:00:00.000Z	52 \| moderate	10.235 \| good	18.117 \| good	15.965 \| good	0.633 \| good	19.516 \| good	0.817 \| good
2025-12-15T16:00:00.000Z	49 \| good	9.347 \| good	16.471 \| good	14.836 \| good	0.932 \| good	25.6 \| good	0.948 \| good
2025-12-15T17:00:00.000Z	52 \| moderate	9.641 \| good	18.918 \| good	13.898 \| good	1.048 \| good	34.861 \| good	0.848 \| good
2025-12-15T18:00:00.000Z	54 \| moderate	10.702 \| good	22.377 \| good	15.034 \| good	0.759 \| good	33.83 \| good	0.661 \| good
2025-12-15T19:00:00.000Z	58 \| moderate	13.287 \| fine	27.747 \| good	18.451 \| good	0.661 \| good	30.319 \| good	0.482 \| good
2025-12-15T20:00:00.000Z	66 \| moderate	16.844 \| fine	32.706 \| good	22.999 \| good	0.565 \| good	29.142 \| good	0.473 \| good
2025-12-15T21:00:00.000Z	69 \| moderate	18.805 \| fine	36.325 \| good	27.595 \| good	0.444 \| good	29.097 \| good	0.448 \| good
2025-12-15T22:00:00.000Z	71 \| moderate	19.794 \| fine	38.513 \| good	29.085 \| good	0.39 \| good	32.554 \| good	0.375 \| good
2025-12-15T23:00:00.000Z	67 \| moderate	18.468 \| fine	37.122 \| good	33.335 \| good	0.416 \| good	26.652 \| good	0.362 \| good
2025-12-16T00:00:00.000Z	62 \| moderate	14.636 \| fine	30.232 \| good	33.504 \| good	0.376 \| good	12.902 \| good	0.381 \| good
2025-12-16T00:00:00.000Z	67 \| moderate	18.234 \| fine	36.738 \| good	30.336 \| good	0.422 \| good	23.786 \| good	0.36 \| good
2025-12-16T01:00:00.000Z	54 \| moderate	10.608 \| good	46.988 \| good	31.561 \| good	3.121 \| good	26.037 \| good	0.316 \| good
2025-12-16T02:00:00.000Z	62 \| moderate	15.308 \| fine	68.836 \| fine	17.728 \| good	3.053 \| good	29.066 \| good	0.36 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	22.127 \| fine	96.861 \| fine	9.017 \| good	2.986 \| good	32.095 \| good	0.404 \| good
2025-12-16T04:00:00.000Z	84 \| moderate	27.417 \| fine	118.883 \| fine	6.761 \| good	2.985 \| good	31.531 \| good	0.416 \| good
2025-12-16T05:00:00.000Z	86 \| moderate	28.189 \| fine	122.678 \| fine	5.418 \| good	2.984 \| good	30.967 \| good	0.428 \| good
2025-12-16T06:00:00.000Z	86 \| moderate	28.491 \| fine	124.439 \| fine	7.074 \| good	2.984 \| good	30.403 \| good	0.439 \| good
2025-12-16T07:00:00.000Z	99 \| moderate	34.676 \| fine	150.311 \| fine	6.846 \| good	2.543 \| good	28.993 \| good	0.433 \| good
2025-12-16T08:00:00.000Z	103 \| sensitive	36.118 \| moderate	158.515 \| moderate	5.821 \| good	2.103 \| good	27.582 \| good	0.427 \| good
2025-12-16T09:00:00.000Z	75 \| moderate	22.327 \| fine	97.26 \| fine	5.057 \| good	1.662 \| good	26.171 \| good	0.421 \| good
2025-12-16T10:00:00.000Z	58 \| moderate	12.666 \| fine	57.464 \| fine	5.974 \| good	1.608 \| good	25.149 \| good	0.392 \| good
2025-12-16T11:00:00.000Z	54 \| moderate	11.466 \| good	50.696 \| good	5.794 \| good	1.553 \| good	24.128 \| good	0.362 \| good
2025-12-16T12:00:00.000Z	58 \| moderate	13.115 \| fine	59.453 \| fine	8.127 \| good	1.499 \| good	23.106 \| good	0.333 \| good
2025-12-16T13:00:00.000Z	62 \| moderate	14.965 \| fine	67.266 \| fine	5.05 \| good	1.498 \| good	22.785 \| good	0.337 \| good
2025-12-16T14:00:00.000Z	60 \| moderate	13.701 \| fine	61.416 \| fine	3.349 \| good	1.497 \| good	22.463 \| good	0.342 \| good
2025-12-16T15:00:00.000Z	58 \| moderate	12.826 \| fine	57.453 \| fine	5.583 \| good	1.496 \| good	22.142 \| good	0.346 \| good
2025-12-16T16:00:00.000Z	62 \| moderate	14.543 \| fine	65.327 \| fine	6.679 \| good	1.726 \| good	21.542 \| good	0.357 \| good
2025-12-16T17:00:00.000Z	54 \| moderate	11.118 \| good	49.453 \| good	10.416 \| good	1.956 \| good	20.943 \| good	0.367 \| good
2025-12-16T18:00:00.000Z	52 \| moderate	9.611 \| good	43.379 \| good	17.344 \| good	2.186 \| good	20.344 \| good	0.378 \| good
2025-12-16T19:00:00.000Z	54 \| moderate	10.568 \| good	47.253 \| good	23.134 \| good	2.521 \| good	20.492 \| good	0.359 \| good
2025-12-16T20:00:00.000Z	66 \| moderate	17.237 \| fine	77.031 \| fine	27.751 \| good	2.856 \| good	20.64 \| good	0.34 \| good
2025-12-16T21:00:00.000Z	75 \| moderate	21.747 \| fine	94.958 \| fine	33.144 \| good	3.19 \| good	20.788 \| good	0.321 \| good
2025-12-16T22:00:00.000Z	75 \| moderate	22.353 \| fine	97.143 \| fine	38.755 \| good	3.33 \| good	22.835 \| good	0.325 \| good
2025-12-16T23:00:00.000Z	79 \| moderate	23.629 \| fine	102.969 \| fine	39.203 \| good	3.469 \| good	24.882 \| good	0.329 \| good
2025-12-17T00:00:00.000Z	90 \| moderate	30.256 \| fine	130.647 \| fine	35.059 \| good	3.609 \| good	26.929 \| good	0.332 \| good
2025-12-17T01:00:00.000Z	102 \| sensitive	35.885 \| moderate	156.218 \| moderate	29.577 \| good	3.695 \| good	29.588 \| good	0.401 \| good
2025-12-17T02:00:00.000Z	115 \| sensitive	40.633 \| moderate	180.26 \| moderate	16.105 \| good	3.781 \| good	32.248 \| good	0.47 \| good
2025-12-17T03:00:00.000Z	105 \| sensitive	36.969 \| moderate	161.049 \| moderate	6.187 \| good	3.867 \| good	34.907 \| good	0.539 \| good
2025-12-17T04:00:00.000Z	108 \| sensitive	38.308 \| moderate	169.051 \| moderate	5.367 \| good	3.902 \| good	34.586 \| good	0.555 \| good
2025-12-17T05:00:00.000Z	122 \| sensitive	43.7 \| moderate	194.43 \| moderate	5.431 \| good	3.936 \| good	34.265 \| good	0.57 \| good
2025-12-17T06:00:00.000Z	127 \| sensitive	45.565 \| moderate	204.097 \| moderate	9.264 \| good	3.971 \| good	33.944 \| good	0.585 \| good
2025-12-17T07:00:00.000Z	119 \| sensitive	42.976 \| moderate	190.531 \| moderate	7.955 \| good	3.511 \| good	33.06 \| good	0.566 \| good
2025-12-17T08:00:00.000Z	107 \| sensitive	37.632 \| moderate	164.933 \| moderate	6.322 \| good	3.051 \| good	32.177 \| good	0.547 \| good
2025-12-17T09:00:00.000Z	86 \| moderate	27.773 \| fine	121.341 \| fine	6.863 \| good	2.59 \| good	31.294 \| good	0.527 \| good
2025-12-17T10:00:00.000Z	77 \| moderate	23.376 \| fine	101.551 \| fine	8.16 \| good	2.412 \| good	30.155 \| good	0.498 \| good
2025-12-17T11:00:00.000Z	79 \| moderate	24.383 \| fine	105.767 \| fine	8.294 \| good	2.234 \| good	29.016 \| good	0.469 \| good
2025-12-17T12:00:00.000Z	73 \| moderate	20.87 \| fine	91.715 \| fine	8.359 \| good	2.056 \| good	27.876 \| good	0.439 \| good
2025-12-17T13:00:00.000Z	71 \| moderate	20.362 \| fine	89.703 \| fine	6.715 \| good	2.009 \| good	27.112 \| good	0.443 \| good
2025-12-17T14:00:00.000Z	69 \| moderate	19.395 \| fine	85.56 \| fine	3.886 \| good	1.961 \| good	26.347 \| good	0.447 \| good
2025-12-17T15:00:00.000Z	71 \| moderate	20.071 \| fine	87.626 \| fine	4.283 \| good	1.914 \| good	25.583 \| good	0.451 \| good
2025-12-17T16:00:00.000Z	81 \| moderate	24.768 \| fine	107.655 \| fine	4.166 \| good	2.343 \| good	24.852 \| good	0.482 \| good
2025-12-17T17:00:00.000Z	88 \| moderate	29.125 \| fine	127.315 \| fine	5.914 \| good	2.771 \| good	24.121 \| good	0.512 \| good
2025-12-17T18:00:00.000Z	90 \| moderate	30.063 \| fine	131.042 \| fine	16.089 \| good	3.199 \| good	23.39 \| good	0.542 \| good
2025-12-17T19:00:00.000Z	94 \| moderate	31.548 \| fine	136.614 \| fine	27.96 \| good	3.547 \| good	24.754 \| good	0.523 \| good
2025-12-17T20:00:00.000Z	110 \| sensitive	39.136 \| moderate	173.336 \| moderate	35.903 \| good	3.894 \| good	26.118 \| good	0.503 \| good
2025-12-17T21:00:00.000Z	73 \| moderate	20.897 \| fine	92.403 \| fine	37.53 \| good	4.242 \| good	27.481 \| good	0.484 \| good
2025-12-17T22:00:00.000Z	54 \| moderate	11.293 \| good	49.766 \| good	40.32 \| good	4.265 \| good	28.354 \| good	0.451 \| good
2025-12-17T23:00:00.000Z	44 \| good	7.806 \| good	33.862 \| good	40.164 \| good	4.289 \| good	29.228 \| good	0.418 \| good
2025-12-18T00:00:00.000Z	77 \| moderate	23.05 \| fine	25.322 \| good	14.494 \| good	4.342 \| good	30.184 \| good	0.386 \| good

National City

Get reliable air quality data to drive your business

National City, California air quality map: Stay updated on AQI near you

0.36ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for National City, California?

The air quality information for National City, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in National City, California at its worst?

In the past 24 hours, the air quality in National City, California was at its worst at 07:00:00 on 2025-12-15.

When did National City, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in National City, California was observed at 04:00:00 on 2025-12-15.

What is the AQI in National City, California right now?

As of now, the AQI in National City, California is 67, indicating Moderate conditions.

What is the most common type of pollution in National City, California?

National City, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in National City, California?

Poor air quality in National City, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in National City, California at the moment?

PM_2.5 levels in National City, California are currently 18.234 μg/m³.

What is the PM₁₀ level in National City, California at the moment?

The PM₁₀ concentration in National City, California is 36.738 μg/m³ at the moment.

What is the carbon monoxide (CO) level in National City, California at the moment?

The current carbon monoxide (CO) concentration in National City, California is 0.36 ppm.

What is the sulfur dioxide (SO₂) level in National City, California at the moment?

Currently, National City, California has a sulfur dioxide (SO₂) concentration of 0.422 ppb.

What is the ozone (O₃) level in National City, California at the moment?

The current ozone (O₃) level in National City, California at the moment is 30.336 ppm.

What is the nitrogen dioxide (NO₂) level in National City, California at the moment?

Nitrogen dioxide (NO₂) level in National City, California at the moment is 23.786 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-14T01:00:00.000Z	71 \| moderate	19.957 \| fine	38.122 \| good	41.092 \| good	0.281 \| good	24.764 \| good	0.508 \| good
2025-12-14T02:00:00.000Z	77 \| moderate	22.965 \| fine	41.849 \| good	39.475 \| good	0.402 \| good	28.388 \| good	0.608 \| good
2025-12-14T03:00:00.000Z	84 \| moderate	26.994 \| fine	48.811 \| good	37.514 \| good	0.437 \| good	25.204 \| good	0.726 \| good
2025-12-14T04:00:00.000Z	94 \| moderate	31.705 \| fine	56.686 \| fine	32.075 \| good	0.566 \| good	16.707 \| good	0.738 \| good
2025-12-14T05:00:00.000Z	102 \| sensitive	35.515 \| moderate	63.368 \| fine	25.899 \| good	0.376 \| good	14.087 \| good	0.761 \| good
2025-12-14T06:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.951 \| good	0.578 \| good	13.275 \| good	0.81 \| good
2025-12-14T07:00:00.000Z	105 \| sensitive	36.562 \| moderate	66.773 \| fine	21.75 \| good	0.6 \| good	15.26 \| good	0.81 \| good
2025-12-14T08:00:00.000Z	99 \| moderate	34.821 \| fine	64.526 \| fine	21.577 \| good	0.815 \| good	22.432 \| good	0.839 \| good
2025-12-14T09:00:00.000Z	94 \| moderate	32.492 \| fine	59.578 \| fine	21.564 \| good	0.625 \| good	21.29 \| good	0.801 \| good
2025-12-14T10:00:00.000Z	86 \| moderate	28.214 \| fine	52.367 \| good	21.511 \| good	0.632 \| good	17.024 \| good	0.739 \| good
2025-12-14T11:00:00.000Z	77 \| moderate	23.249 \| fine	43.065 \| good	21.136 \| good	0.622 \| good	18.558 \| good	0.739 \| good
2025-12-14T12:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.911 \| good	0.587 \| good	19.455 \| good	0.742 \| good
2025-12-14T13:00:00.000Z	71 \| moderate	20.121 \| fine	36.663 \| good	18.043 \| good	0.62 \| good	16.155 \| good	0.977 \| good
2025-12-14T14:00:00.000Z	62 \| moderate	14.947 \| fine	28.194 \| good	14.484 \| good	0.524 \| good	17.547 \| good	0.758 \| good
2025-12-14T15:00:00.000Z	58 \| moderate	13.108 \| fine	24.591 \| good	16.514 \| good	0.515 \| good	14.979 \| good	0.776 \| good
2025-12-14T16:00:00.000Z	54 \| moderate	11.051 \| good	20.156 \| good	18.651 \| good	0.624 \| good	19.524 \| good	0.775 \| good
2025-12-14T17:00:00.000Z	52 \| moderate	9.619 \| good	17.317 \| good	18.842 \| good	0.658 \| good	27.702 \| good	0.772 \| good
2025-12-14T18:00:00.000Z	49 \| good	9.277 \| good	16.548 \| good	19.698 \| good	0.476 \| good	27.976 \| good	0.654 \| good
2025-12-14T19:00:00.000Z	54 \| moderate	10.75 \| good	20.132 \| good	23.772 \| good	0.311 \| good	29.981 \| good	0.616 \| good
2025-12-14T20:00:00.000Z	64 \| moderate	15.546 \| fine	29.233 \| good	27.087 \| good	0.449 \| good	27.947 \| good	0.487 \| good
2025-12-14T21:00:00.000Z	75 \| moderate	22.178 \| fine	41.083 \| good	29.087 \| good	0.438 \| good	23.173 \| good	0.505 \| good
2025-12-14T22:00:00.000Z	84 \| moderate	27.341 \| fine	50.763 \| good	33.827 \| good	0.358 \| good	23.425 \| good	0.457 \| good
2025-12-14T23:00:00.000Z	81 \| moderate	25.061 \| fine	45.723 \| good	37.134 \| good	0.289 \| good	15.84 \| good	0.419 \| good
2025-12-15T00:00:00.000Z	71 \| moderate	19.525 \| fine	37.365 \| good	37.315 \| good	0.251 \| good	10.614 \| good	0.438 \| good
2025-12-15T01:00:00.000Z	62 \| moderate	14.959 \| fine	28.648 \| good	34.416 \| good	0.302 \| good	13.766 \| good	0.464 \| good
2025-12-15T02:00:00.000Z	64 \| moderate	15.998 \| fine	29.026 \| good	32.49 \| good	0.348 \| good	10.239 \| good	0.569 \| good
2025-12-15T03:00:00.000Z	69 \| moderate	19.478 \| fine	34.571 \| good	30.505 \| good	0.403 \| good	14.54 \| good	0.643 \| good
2025-12-15T04:00:00.000Z	75 \| moderate	22.12 \| fine	39.924 \| good	31.086 \| good	0.43 \| good	21.61 \| good	0.78 \| good
2025-12-15T05:00:00.000Z	81 \| moderate	24.658 \| fine	44.687 \| good	28.354 \| good	0.403 \| good	25.05 \| good	0.761 \| good
2025-12-15T06:00:00.000Z	82 \| moderate	26.463 \| fine	48.138 \| good	27.839 \| good	0.592 \| good	25.038 \| good	0.772 \| good
2025-12-15T07:00:00.000Z	84 \| moderate	26.724 \| fine	44.321 \| good	27.817 \| good	0.594 \| good	17.271 \| good	0.772 \| good
2025-12-15T08:00:00.000Z	77 \| moderate	22.715 \| fine	40.381 \| good	26.249 \| good	0.725 \| good	23.382 \| good	0.809 \| good
2025-12-15T09:00:00.000Z	75 \| moderate	22.201 \| fine	38.555 \| good	26.007 \| good	0.655 \| good	27.018 \| good	0.785 \| good
2025-12-15T10:00:00.000Z	77 \| moderate	22.688 \| fine	39.934 \| good	26.821 \| good	0.576 \| good	21.968 \| good	0.752 \| good
2025-12-15T11:00:00.000Z	73 \| moderate	21.185 \| fine	38.133 \| good	26.616 \| good	0.667 \| good	22.827 \| good	0.674 \| good
2025-12-15T12:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.611 \| good	0.523 \| good	18.66 \| good	0.603 \| good
2025-12-15T13:00:00.000Z	64 \| moderate	16.355 \| fine	29.239 \| good	26.198 \| good	0.52 \| good	17.412 \| good	0.603 \| good
2025-12-15T14:00:00.000Z	54 \| moderate	11.23 \| good	20.088 \| good	16.75 \| good	0.594 \| good	18.166 \| good	0.737 \| good
2025-12-15T15:00:00.000Z	52 \| moderate	10.235 \| good	18.117 \| good	15.965 \| good	0.633 \| good	19.516 \| good	0.817 \| good
2025-12-15T16:00:00.000Z	49 \| good	9.347 \| good	16.471 \| good	14.836 \| good	0.932 \| good	25.6 \| good	0.948 \| good
2025-12-15T17:00:00.000Z	52 \| moderate	9.641 \| good	18.918 \| good	13.898 \| good	1.048 \| good	34.861 \| good	0.848 \| good
2025-12-15T18:00:00.000Z	54 \| moderate	10.702 \| good	22.377 \| good	15.034 \| good	0.759 \| good	33.83 \| good	0.661 \| good
2025-12-15T19:00:00.000Z	58 \| moderate	13.287 \| fine	27.747 \| good	18.451 \| good	0.661 \| good	30.319 \| good	0.482 \| good
2025-12-15T20:00:00.000Z	66 \| moderate	16.844 \| fine	32.706 \| good	22.999 \| good	0.565 \| good	29.142 \| good	0.473 \| good
2025-12-15T21:00:00.000Z	69 \| moderate	18.805 \| fine	36.325 \| good	27.595 \| good	0.444 \| good	29.097 \| good	0.448 \| good
2025-12-15T22:00:00.000Z	71 \| moderate	19.794 \| fine	38.513 \| good	29.085 \| good	0.39 \| good	32.554 \| good	0.375 \| good
2025-12-15T23:00:00.000Z	67 \| moderate	18.468 \| fine	37.122 \| good	33.335 \| good	0.416 \| good	26.652 \| good	0.362 \| good
2025-12-16T00:00:00.000Z	62 \| moderate	14.636 \| fine	30.232 \| good	33.504 \| good	0.376 \| good	12.902 \| good	0.381 \| good
2025-12-16T00:00:00.000Z	67 \| moderate	18.234 \| fine	36.738 \| good	30.336 \| good	0.422 \| good	23.786 \| good	0.36 \| good
2025-12-16T01:00:00.000Z	54 \| moderate	10.608 \| good	46.988 \| good	31.561 \| good	3.121 \| good	26.037 \| good	0.316 \| good
2025-12-16T02:00:00.000Z	62 \| moderate	15.308 \| fine	68.836 \| fine	17.728 \| good	3.053 \| good	29.066 \| good	0.36 \| good
2025-12-16T03:00:00.000Z	75 \| moderate	22.127 \| fine	96.861 \| fine	9.017 \| good	2.986 \| good	32.095 \| good	0.404 \| good
2025-12-16T04:00:00.000Z	84 \| moderate	27.417 \| fine	118.883 \| fine	6.761 \| good	2.985 \| good	31.531 \| good	0.416 \| good
2025-12-16T05:00:00.000Z	86 \| moderate	28.189 \| fine	122.678 \| fine	5.418 \| good	2.984 \| good	30.967 \| good	0.428 \| good
2025-12-16T06:00:00.000Z	86 \| moderate	28.491 \| fine	124.439 \| fine	7.074 \| good	2.984 \| good	30.403 \| good	0.439 \| good
2025-12-16T07:00:00.000Z	99 \| moderate	34.676 \| fine	150.311 \| fine	6.846 \| good	2.543 \| good	28.993 \| good	0.433 \| good
2025-12-16T08:00:00.000Z	103 \| sensitive	36.118 \| moderate	158.515 \| moderate	5.821 \| good	2.103 \| good	27.582 \| good	0.427 \| good
2025-12-16T09:00:00.000Z	75 \| moderate	22.327 \| fine	97.26 \| fine	5.057 \| good	1.662 \| good	26.171 \| good	0.421 \| good
2025-12-16T10:00:00.000Z	58 \| moderate	12.666 \| fine	57.464 \| fine	5.974 \| good	1.608 \| good	25.149 \| good	0.392 \| good
2025-12-16T11:00:00.000Z	54 \| moderate	11.466 \| good	50.696 \| good	5.794 \| good	1.553 \| good	24.128 \| good	0.362 \| good
2025-12-16T12:00:00.000Z	58 \| moderate	13.115 \| fine	59.453 \| fine	8.127 \| good	1.499 \| good	23.106 \| good	0.333 \| good
2025-12-16T13:00:00.000Z	62 \| moderate	14.965 \| fine	67.266 \| fine	5.05 \| good	1.498 \| good	22.785 \| good	0.337 \| good
2025-12-16T14:00:00.000Z	60 \| moderate	13.701 \| fine	61.416 \| fine	3.349 \| good	1.497 \| good	22.463 \| good	0.342 \| good
2025-12-16T15:00:00.000Z	58 \| moderate	12.826 \| fine	57.453 \| fine	5.583 \| good	1.496 \| good	22.142 \| good	0.346 \| good
2025-12-16T16:00:00.000Z	62 \| moderate	14.543 \| fine	65.327 \| fine	6.679 \| good	1.726 \| good	21.542 \| good	0.357 \| good
2025-12-16T17:00:00.000Z	54 \| moderate	11.118 \| good	49.453 \| good	10.416 \| good	1.956 \| good	20.943 \| good	0.367 \| good
2025-12-16T18:00:00.000Z	52 \| moderate	9.611 \| good	43.379 \| good	17.344 \| good	2.186 \| good	20.344 \| good	0.378 \| good
2025-12-16T19:00:00.000Z	54 \| moderate	10.568 \| good	47.253 \| good	23.134 \| good	2.521 \| good	20.492 \| good	0.359 \| good
2025-12-16T20:00:00.000Z	66 \| moderate	17.237 \| fine	77.031 \| fine	27.751 \| good	2.856 \| good	20.64 \| good	0.34 \| good
2025-12-16T21:00:00.000Z	75 \| moderate	21.747 \| fine	94.958 \| fine	33.144 \| good	3.19 \| good	20.788 \| good	0.321 \| good
2025-12-16T22:00:00.000Z	75 \| moderate	22.353 \| fine	97.143 \| fine	38.755 \| good	3.33 \| good	22.835 \| good	0.325 \| good
2025-12-16T23:00:00.000Z	79 \| moderate	23.629 \| fine	102.969 \| fine	39.203 \| good	3.469 \| good	24.882 \| good	0.329 \| good
2025-12-17T00:00:00.000Z	90 \| moderate	30.256 \| fine	130.647 \| fine	35.059 \| good	3.609 \| good	26.929 \| good	0.332 \| good
2025-12-17T01:00:00.000Z	102 \| sensitive	35.885 \| moderate	156.218 \| moderate	29.577 \| good	3.695 \| good	29.588 \| good	0.401 \| good
2025-12-17T02:00:00.000Z	115 \| sensitive	40.633 \| moderate	180.26 \| moderate	16.105 \| good	3.781 \| good	32.248 \| good	0.47 \| good
2025-12-17T03:00:00.000Z	105 \| sensitive	36.969 \| moderate	161.049 \| moderate	6.187 \| good	3.867 \| good	34.907 \| good	0.539 \| good
2025-12-17T04:00:00.000Z	108 \| sensitive	38.308 \| moderate	169.051 \| moderate	5.367 \| good	3.902 \| good	34.586 \| good	0.555 \| good
2025-12-17T05:00:00.000Z	122 \| sensitive	43.7 \| moderate	194.43 \| moderate	5.431 \| good	3.936 \| good	34.265 \| good	0.57 \| good
2025-12-17T06:00:00.000Z	127 \| sensitive	45.565 \| moderate	204.097 \| moderate	9.264 \| good	3.971 \| good	33.944 \| good	0.585 \| good
2025-12-17T07:00:00.000Z	119 \| sensitive	42.976 \| moderate	190.531 \| moderate	7.955 \| good	3.511 \| good	33.06 \| good	0.566 \| good
2025-12-17T08:00:00.000Z	107 \| sensitive	37.632 \| moderate	164.933 \| moderate	6.322 \| good	3.051 \| good	32.177 \| good	0.547 \| good
2025-12-17T09:00:00.000Z	86 \| moderate	27.773 \| fine	121.341 \| fine	6.863 \| good	2.59 \| good	31.294 \| good	0.527 \| good
2025-12-17T10:00:00.000Z	77 \| moderate	23.376 \| fine	101.551 \| fine	8.16 \| good	2.412 \| good	30.155 \| good	0.498 \| good
2025-12-17T11:00:00.000Z	79 \| moderate	24.383 \| fine	105.767 \| fine	8.294 \| good	2.234 \| good	29.016 \| good	0.469 \| good
2025-12-17T12:00:00.000Z	73 \| moderate	20.87 \| fine	91.715 \| fine	8.359 \| good	2.056 \| good	27.876 \| good	0.439 \| good
2025-12-17T13:00:00.000Z	71 \| moderate	20.362 \| fine	89.703 \| fine	6.715 \| good	2.009 \| good	27.112 \| good	0.443 \| good
2025-12-17T14:00:00.000Z	69 \| moderate	19.395 \| fine	85.56 \| fine	3.886 \| good	1.961 \| good	26.347 \| good	0.447 \| good
2025-12-17T15:00:00.000Z	71 \| moderate	20.071 \| fine	87.626 \| fine	4.283 \| good	1.914 \| good	25.583 \| good	0.451 \| good
2025-12-17T16:00:00.000Z	81 \| moderate	24.768 \| fine	107.655 \| fine	4.166 \| good	2.343 \| good	24.852 \| good	0.482 \| good
2025-12-17T17:00:00.000Z	88 \| moderate	29.125 \| fine	127.315 \| fine	5.914 \| good	2.771 \| good	24.121 \| good	0.512 \| good
2025-12-17T18:00:00.000Z	90 \| moderate	30.063 \| fine	131.042 \| fine	16.089 \| good	3.199 \| good	23.39 \| good	0.542 \| good
2025-12-17T19:00:00.000Z	94 \| moderate	31.548 \| fine	136.614 \| fine	27.96 \| good	3.547 \| good	24.754 \| good	0.523 \| good
2025-12-17T20:00:00.000Z	110 \| sensitive	39.136 \| moderate	173.336 \| moderate	35.903 \| good	3.894 \| good	26.118 \| good	0.503 \| good
2025-12-17T21:00:00.000Z	73 \| moderate	20.897 \| fine	92.403 \| fine	37.53 \| good	4.242 \| good	27.481 \| good	0.484 \| good
2025-12-17T22:00:00.000Z	54 \| moderate	11.293 \| good	49.766 \| good	40.32 \| good	4.265 \| good	28.354 \| good	0.451 \| good
2025-12-17T23:00:00.000Z	44 \| good	7.806 \| good	33.862 \| good	40.164 \| good	4.289 \| good	29.228 \| good	0.418 \| good
2025-12-18T00:00:00.000Z	77 \| moderate	23.05 \| fine	25.322 \| good	14.494 \| good	4.342 \| good	30.184 \| good	0.386 \| good

Live air quality index in National City, California today

Major air pollutants in National City, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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National City, California air quality map: Stay updated on AQI near you

Air quality in nearby cities

Chula Vista, California

Bonita, California

San Diego, California

Coronado, California

Lemon Grove, California

Imperial Beach, California

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Frequently asked questions

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What is the sulfur dioxide (SO2) level in National City, California at the moment?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in National City, California at the moment?

What is the PM₁₀ level in National City, California at the moment?

What is the sulfur dioxide (SO₂) level in National City, California at the moment?

What is the ozone (O₃) level in National City, California at the moment?

What is the nitrogen dioxide (NO₂) level in National City, California at the moment?