What is the PM10 level in Pasadena, California at the moment?

The PM10 concentration in Pasadena, California is 37.681 μg/m3 at the moment.

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

Currently, Pasadena, California has a sulfur dioxide (SO2) concentration of 0.451 ppb.

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

The current ozone (O3) level in Pasadena, California at the moment is 4.125 ppm.

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

Nitrogen dioxide (NO2) level in Pasadena, California at the moment is 22.383 ppb.

Live air quality index in Pasadena, California today

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

PM2.5 levels in Pasadena, California are currently 10.098 μg/m3.

Stay updated with real-time air quality in Pasadena, 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

Pasadena, California

Last updated: ... (Local time)

Major air pollutants in Pasadena, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.68 μg/m³

155

255

425

605+

Ozone (O₃)

4.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.51 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Pasadena, California

Get Live Pollen Counts

Pasadena, California

Scroll To Air Quality Map

Track live Pasadena, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T14:00:00.000Z	38 \| good	6.56 \| good	24.883 \| good	3.638 \| good	0.672 \| good	23.277 \| good	0.446 \| good
2026-01-21T15:00:00.000Z	64 \| moderate	15.914 \| fine	45.87 \| good	7.01 \| good	0.444 \| good	21.37 \| good	0.523 \| good
2026-01-21T16:00:00.000Z	60 \| moderate	13.946 \| fine	36.075 \| good	9.78 \| good	0.494 \| good	22.737 \| good	0.637 \| good
2026-01-21T17:00:00.000Z	56 \| moderate	12.455 \| fine	40.015 \| good	9.776 \| good	0.435 \| good	24.582 \| good	0.676 \| good
2026-01-21T18:00:00.000Z	66 \| moderate	17.357 \| fine	44.14 \| good	9.974 \| good	0.421 \| good	24.494 \| good	0.718 \| good
2026-01-21T19:00:00.000Z	69 \| moderate	18.571 \| fine	61.436 \| fine	12.96 \| good	0.51 \| good	21.713 \| good	0.722 \| good
2026-01-21T20:00:00.000Z	66 \| moderate	16.641 \| fine	51.856 \| good	17.779 \| good	0.547 \| good	17.844 \| good	0.662 \| good
2026-01-21T21:00:00.000Z	77 \| moderate	22.75 \| fine	72.763 \| fine	20.651 \| good	0.43 \| good	21.739 \| good	0.636 \| good
2026-01-21T22:00:00.000Z	90 \| moderate	29.815 \| fine	130.953 \| fine	22.44 \| good	0.565 \| good	24.274 \| good	0.669 \| good
2026-01-21T23:00:00.000Z	86 \| moderate	28.437 \| fine	106.145 \| fine	22.827 \| good	0.481 \| good	26.45 \| good	0.505 \| good
2026-01-22T00:00:00.000Z	82 \| moderate	25.751 \| fine	93.506 \| fine	19.989 \| good	0.452 \| good	28.047 \| good	0.505 \| good
2026-01-22T01:00:00.000Z	82 \| moderate	25.598 \| fine	99.958 \| fine	16.067 \| good	0.339 \| good	24.004 \| good	0.56 \| good
2026-01-22T02:00:00.000Z	82 \| moderate	25.525 \| fine	101.903 \| fine	10.347 \| good	0.282 \| good	25.537 \| good	0.6 \| good
2026-01-22T03:00:00.000Z	79 \| moderate	24.304 \| fine	54.965 \| good	8.337 \| good	0.417 \| good	27.196 \| good	0.662 \| good
2026-01-22T04:00:00.000Z	92 \| moderate	30.982 \| fine	66.385 \| fine	5.34 \| good	0.473 \| good	31.765 \| good	0.646 \| good
2026-01-22T05:00:00.000Z	84 \| moderate	26.975 \| fine	48.433 \| good	2.507 \| good	0.75 \| good	35.775 \| good	0.685 \| good
2026-01-22T06:00:00.000Z	96 \| moderate	33.361 \| fine	98.108 \| fine	1.471 \| good	0.58 \| good	36.624 \| good	0.746 \| good
2026-01-22T07:00:00.000Z	82 \| moderate	26.196 \| fine	62.097 \| fine	1.471 \| good	0.611 \| good	33.878 \| good	0.869 \| good
2026-01-22T08:00:00.000Z	82 \| moderate	25.714 \| fine	69.139 \| fine	5.976 \| good	0.635 \| good	32.751 \| good	0.774 \| good
2026-01-22T09:00:00.000Z	84 \| moderate	26.503 \| fine	74.244 \| fine	6.493 \| good	0.61 \| good	32.239 \| good	0.69 \| good
2026-01-22T10:00:00.000Z	82 \| moderate	26.16 \| fine	65.398 \| fine	7.476 \| good	0.588 \| good	29.012 \| good	0.623 \| good
2026-01-22T11:00:00.000Z	69 \| moderate	18.859 \| fine	48.287 \| good	12.202 \| good	0.314 \| good	30.131 \| good	0.452 \| good
2026-01-22T12:00:00.000Z	77 \| moderate	22.605 \| fine	66.142 \| fine	8.045 \| good	0.652 \| good	25.166 \| good	0.476 \| good
2026-01-22T13:00:00.000Z	75 \| moderate	22.069 \| fine	42.889 \| good	4.377 \| good	0.651 \| good	25.166 \| good	0.476 \| good
2026-01-22T14:00:00.000Z	90 \| moderate	30.208 \| fine	95.623 \| fine	9.193 \| good	0.458 \| good	25.222 \| good	0.563 \| good
2026-01-22T15:00:00.000Z	94 \| moderate	32.319 \| fine	113.366 \| fine	4.637 \| good	0.545 \| good	23.361 \| good	0.598 \| good
2026-01-22T16:00:00.000Z	86 \| moderate	28.026 \| fine	95.33 \| fine	7.777 \| good	0.636 \| good	21.644 \| good	0.684 \| good
2026-01-22T17:00:00.000Z	90 \| moderate	29.837 \| fine	85.755 \| fine	8.832 \| good	0.689 \| good	22.46 \| good	0.696 \| good
2026-01-22T18:00:00.000Z	73 \| moderate	21.387 \| fine	61.46 \| fine	11.694 \| good	0.503 \| good	26.435 \| good	0.707 \| good
2026-01-22T19:00:00.000Z	81 \| moderate	25.043 \| fine	104.295 \| fine	11.905 \| good	0.452 \| good	26.48 \| good	0.714 \| good
2026-01-22T20:00:00.000Z	33 \| good	6.135 \| good	23.004 \| good	13.39 \| good	0.375 \| good	24.423 \| good	0.516 \| good
2026-01-22T21:00:00.000Z	77 \| moderate	22.772 \| fine	38.941 \| good	15.677 \| good	0.449 \| good	19.512 \| good	0.453 \| good
2026-01-22T22:00:00.000Z	73 \| moderate	21.219 \| fine	39.735 \| good	18.726 \| good	0.648 \| good	16.357 \| good	0.431 \| good
2026-01-22T23:00:00.000Z	75 \| moderate	21.755 \| fine	26.482 \| good	21.529 \| good	0.496 \| good	14.886 \| good	0.401 \| good
2026-01-23T00:00:00.000Z	81 \| moderate	24.824 \| fine	25.466 \| good	22.394 \| good	0.303 \| good	13.542 \| good	0.414 \| good
2026-01-23T01:00:00.000Z	92 \| moderate	31.336 \| fine	46.265 \| good	25.97 \| good	0.338 \| good	13.368 \| good	0.383 \| good
2026-01-23T02:00:00.000Z	64 \| moderate	15.773 \| fine	25.536 \| good	25.002 \| good	0.352 \| good	14.701 \| good	0.432 \| good
2026-01-23T03:00:00.000Z	60 \| moderate	14.009 \| fine	38.548 \| good	24.735 \| good	0.22 \| good	14.798 \| good	0.437 \| good
2026-01-23T04:00:00.000Z	58 \| moderate	12.851 \| fine	37.515 \| good	21.927 \| good	0.331 \| good	17.551 \| good	0.374 \| good
2026-01-23T05:00:00.000Z	62 \| moderate	15.046 \| fine	51.935 \| good	20.029 \| good	0.552 \| good	15.087 \| good	0.462 \| good
2026-01-23T06:00:00.000Z	64 \| moderate	16.211 \| fine	44.38 \| good	16.788 \| good	0.274 \| good	18.851 \| good	0.463 \| good
2026-01-23T07:00:00.000Z	67 \| moderate	18.357 \| fine	44.338 \| good	16.788 \| good	0.298 \| good	18.851 \| good	0.462 \| good
2026-01-23T08:00:00.000Z	67 \| moderate	18.189 \| fine	61.448 \| fine	13.586 \| good	0.612 \| good	19.848 \| good	0.555 \| good
2026-01-23T09:00:00.000Z	56 \| moderate	11.823 \| good	44.071 \| good	9.912 \| good	0.283 \| good	17.093 \| good	0.596 \| good
2026-01-23T10:00:00.000Z	49 \| good	9.092 \| good	49.439 \| good	8.044 \| good	0.483 \| good	17.262 \| good	0.594 \| good
2026-01-23T11:00:00.000Z	60 \| moderate	14.402 \| fine	24.713 \| good	4.935 \| good	0.349 \| good	20.064 \| good	0.541 \| good
2026-01-23T12:00:00.000Z	52 \| moderate	10.098 \| good	37.681 \| good	4.125 \| good	0.451 \| good	22.383 \| good	0.514 \| good
2026-01-23T13:00:00.000Z	52 \| moderate	10.098 \| good	37.681 \| good	4.125 \| good	0.451 \| good	22.383 \| good	0.514 \| good
2026-01-23T14:00:00.000Z	58 \| moderate	12.538 \| fine	55.875 \| fine	5.006 \| good	3.009 \| good	25.675 \| good	0.465 \| good
2026-01-23T15:00:00.000Z	60 \| moderate	14.115 \| fine	63.001 \| fine	5.614 \| good	2.902 \| good	25.412 \| good	0.473 \| good
2026-01-23T16:00:00.000Z	66 \| moderate	17.261 \| fine	76.174 \| fine	8.207 \| good	4.213 \| good	24.48 \| good	0.419 \| good
2026-01-23T17:00:00.000Z	77 \| moderate	23.013 \| fine	100.533 \| fine	13.694 \| good	5.525 \| good	23.548 \| good	0.366 \| good
2026-01-23T18:00:00.000Z	79 \| moderate	23.636 \| fine	102.866 \| fine	20.023 \| good	6.837 \| good	22.616 \| good	0.312 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	15.041 \| fine	66.636 \| fine	29.017 \| good	7.278 \| good	22.057 \| good	0.288 \| good
2026-01-23T20:00:00.000Z	33 \| good	6.292 \| good	27.704 \| good	34.546 \| good	7.718 \| good	21.499 \| good	0.264 \| good
2026-01-23T21:00:00.000Z	32 \| good	5.293 \| good	22.95 \| good	35.057 \| good	8.159 \| good	20.94 \| good	0.239 \| good
2026-01-23T22:00:00.000Z	44 \| good	7.634 \| good	33.417 \| good	35.091 \| good	8.16 \| good	21.537 \| good	0.234 \| good
2026-01-23T23:00:00.000Z	36 \| good	6.039 \| good	26.188 \| good	38.531 \| good	8.161 \| good	22.133 \| good	0.229 \| good
2026-01-24T00:00:00.000Z	36 \| good	4.487 \| good	19.459 \| good	38.646 \| good	8.162 \| good	22.729 \| good	0.224 \| good
2026-01-24T01:00:00.000Z	37 \| good	5.721 \| good	24.828 \| good	39.838 \| good	8.178 \| good	27.965 \| good	0.264 \| good
2026-01-24T02:00:00.000Z	52 \| moderate	10.213 \| good	45.288 \| good	34.768 \| good	8.194 \| good	33.202 \| good	0.305 \| good
2026-01-24T03:00:00.000Z	62 \| moderate	15.253 \| fine	68.363 \| fine	29.255 \| good	8.209 \| good	38.438 \| good	0.346 \| good
2026-01-24T04:00:00.000Z	69 \| moderate	18.894 \| fine	83.374 \| fine	21.917 \| good	8.518 \| good	38.507 \| good	0.366 \| good
2026-01-24T05:00:00.000Z	71 \| moderate	20.233 \| fine	88.773 \| fine	14.269 \| good	8.827 \| good	38.576 \| good	0.387 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.53 \| fine	103.097 \| fine	12.914 \| good	9.135 \| good	38.645 \| good	0.407 \| good
2026-01-24T07:00:00.000Z	73 \| moderate	21.197 \| fine	93.369 \| fine	11.969 \| good	8.975 \| good	36.209 \| good	0.367 \| good
2026-01-24T08:00:00.000Z	73 \| moderate	20.704 \| fine	91.557 \| fine	9.773 \| good	8.815 \| good	33.773 \| good	0.326 \| good
2026-01-24T09:00:00.000Z	75 \| moderate	21.669 \| fine	94.619 \| fine	6.922 \| good	8.655 \| good	31.337 \| good	0.286 \| good
2026-01-24T10:00:00.000Z	75 \| moderate	22.12 \| fine	96.97 \| fine	7.492 \| good	8.731 \| good	30.604 \| good	0.28 \| good
2026-01-24T11:00:00.000Z	71 \| moderate	19.659 \| fine	86.693 \| fine	7.225 \| good	8.806 \| good	29.87 \| good	0.273 \| good
2026-01-24T12:00:00.000Z	67 \| moderate	17.92 \| fine	79.83 \| fine	10.357 \| good	8.882 \| good	29.136 \| good	0.267 \| good
2026-01-24T13:00:00.000Z	58 \| moderate	13.278 \| fine	59.482 \| fine	14.906 \| good	8.939 \| good	28.6 \| good	0.276 \| good
2026-01-24T14:00:00.000Z	58 \| moderate	12.997 \| fine	58.517 \| fine	14.666 \| good	8.995 \| good	28.063 \| good	0.286 \| good
2026-01-24T15:00:00.000Z	58 \| moderate	12.713 \| fine	57.165 \| fine	15.953 \| good	9.052 \| good	27.527 \| good	0.296 \| good
2026-01-24T16:00:00.000Z	52 \| moderate	10.445 \| good	46.319 \| good	22.555 \| good	8.601 \| good	23.499 \| good	0.273 \| good
2026-01-24T17:00:00.000Z	56 \| moderate	11.892 \| good	53.105 \| good	28.027 \| good	8.151 \| good	19.471 \| good	0.25 \| good
2026-01-24T18:00:00.000Z	49 \| good	9.06 \| good	40.382 \| good	32.584 \| good	7.701 \| good	15.442 \| good	0.228 \| good
2026-01-24T19:00:00.000Z	49 \| good	8.582 \| good	38.341 \| good	36.173 \| good	6.711 \| good	13.165 \| good	0.208 \| good
2026-01-24T20:00:00.000Z	36 \| good	6.049 \| good	26.793 \| good	38.551 \| good	5.722 \| good	10.887 \| good	0.189 \| good
2026-01-24T21:00:00.000Z	38 \| good	6.555 \| good	28.638 \| good	38.845 \| good	4.732 \| good	8.609 \| good	0.17 \| good
2026-01-24T22:00:00.000Z	44 \| good	8.098 \| good	35.43 \| good	39.876 \| good	4.397 \| good	8.511 \| good	0.168 \| good
2026-01-24T23:00:00.000Z	54 \| moderate	10.812 \| good	48.141 \| good	42.181 \| good	4.061 \| good	8.414 \| good	0.165 \| good
2026-01-25T00:00:00.000Z	44 \| good	8.039 \| good	35.047 \| good	45.572 \| good	3.725 \| good	8.316 \| good	0.163 \| good
2026-01-25T01:00:00.000Z	49 \| good	9.028 \| good	40.495 \| good	44.146 \| good	3.554 \| good	13.607 \| good	0.187 \| good
2026-01-25T02:00:00.000Z	52 \| moderate	9.961 \| good	44.395 \| good	36.955 \| good	3.383 \| good	18.898 \| good	0.211 \| good
2026-01-25T03:00:00.000Z	52 \| moderate	9.664 \| good	42.795 \| good	36.341 \| good	3.211 \| good	24.189 \| good	0.235 \| good
2026-01-25T04:00:00.000Z	54 \| moderate	10.739 \| good	47.628 \| good	31.958 \| good	3.345 \| good	23.778 \| good	0.25 \| good
2026-01-25T05:00:00.000Z	54 \| moderate	10.995 \| good	48.381 \| good	25.716 \| good	3.479 \| good	23.366 \| good	0.266 \| good
2026-01-25T06:00:00.000Z	75 \| moderate	21.882 \| fine	22.374 \| good	15.969 \| good	3.588 \| good	22.617 \| good	0.279 \| good
2026-01-25T07:00:00.000Z	56 \| moderate	11.904 \| good	53.622 \| good	9.577 \| good	3.243 \| good	21.838 \| good	0.264 \| good
2026-01-25T08:00:00.000Z	52 \| moderate	10.028 \| good	44.192 \| good	9.586 \| good	2.873 \| good	20.721 \| good	0.247 \| good
2026-01-25T09:00:00.000Z	54 \| moderate	10.734 \| good	47.204 \| good	8.587 \| good	2.504 \| good	19.605 \| good	0.231 \| good
2026-01-25T10:00:00.000Z	52 \| moderate	10.317 \| good	45.482 \| good	7.731 \| good	2.197 \| good	19.066 \| good	0.213 \| good
2026-01-25T11:00:00.000Z	49 \| good	8.649 \| good	38.376 \| good	8.52 \| good	1.891 \| good	18.527 \| good	0.196 \| good
2026-01-25T12:00:00.000Z	49 \| good	8.939 \| good	9.14 \| good	14.372 \| good	1.565 \| good	17.816 \| good	0.178 \| good
2026-01-25T13:00:00.000Z	44 \| good	7.553 \| good	7.754 \| good	13.84 \| good	1.58 \| good	18.416 \| good	0.179 \| good

Pasadena

Get reliable air quality data to drive your business

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

0.51ppm

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 Pasadena, California?

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

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

In the past 24 hours, the air quality in Pasadena, California was at its worst at 03:00:00 on 2026-01-22.

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

In the last 24 hours, the best air quality in Pasadena, California was observed at 08:00:00 on 2026-01-22.

What is the AQI in Pasadena, California right now?

As of now, the AQI in Pasadena, California is 52, indicating Moderate conditions.

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

Pasadena, California air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Pasadena, California are currently 10.098 μg/m³.

What is the PM₁₀ level in Pasadena, California at the moment?

The PM₁₀ concentration in Pasadena, California is 37.681 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Pasadena, California is 0.514 ppm.

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

Currently, Pasadena, California has a sulfur dioxide (SO₂) concentration of 0.451 ppb.

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

The current ozone (O₃) level in Pasadena, California at the moment is 4.125 ppm.

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

Nitrogen dioxide (NO₂) level in Pasadena, California at the moment is 22.383 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T14:00:00.000Z	38 \| good	6.56 \| good	24.883 \| good	3.638 \| good	0.672 \| good	23.277 \| good	0.446 \| good
2026-01-21T15:00:00.000Z	64 \| moderate	15.914 \| fine	45.87 \| good	7.01 \| good	0.444 \| good	21.37 \| good	0.523 \| good
2026-01-21T16:00:00.000Z	60 \| moderate	13.946 \| fine	36.075 \| good	9.78 \| good	0.494 \| good	22.737 \| good	0.637 \| good
2026-01-21T17:00:00.000Z	56 \| moderate	12.455 \| fine	40.015 \| good	9.776 \| good	0.435 \| good	24.582 \| good	0.676 \| good
2026-01-21T18:00:00.000Z	66 \| moderate	17.357 \| fine	44.14 \| good	9.974 \| good	0.421 \| good	24.494 \| good	0.718 \| good
2026-01-21T19:00:00.000Z	69 \| moderate	18.571 \| fine	61.436 \| fine	12.96 \| good	0.51 \| good	21.713 \| good	0.722 \| good
2026-01-21T20:00:00.000Z	66 \| moderate	16.641 \| fine	51.856 \| good	17.779 \| good	0.547 \| good	17.844 \| good	0.662 \| good
2026-01-21T21:00:00.000Z	77 \| moderate	22.75 \| fine	72.763 \| fine	20.651 \| good	0.43 \| good	21.739 \| good	0.636 \| good
2026-01-21T22:00:00.000Z	90 \| moderate	29.815 \| fine	130.953 \| fine	22.44 \| good	0.565 \| good	24.274 \| good	0.669 \| good
2026-01-21T23:00:00.000Z	86 \| moderate	28.437 \| fine	106.145 \| fine	22.827 \| good	0.481 \| good	26.45 \| good	0.505 \| good
2026-01-22T00:00:00.000Z	82 \| moderate	25.751 \| fine	93.506 \| fine	19.989 \| good	0.452 \| good	28.047 \| good	0.505 \| good
2026-01-22T01:00:00.000Z	82 \| moderate	25.598 \| fine	99.958 \| fine	16.067 \| good	0.339 \| good	24.004 \| good	0.56 \| good
2026-01-22T02:00:00.000Z	82 \| moderate	25.525 \| fine	101.903 \| fine	10.347 \| good	0.282 \| good	25.537 \| good	0.6 \| good
2026-01-22T03:00:00.000Z	79 \| moderate	24.304 \| fine	54.965 \| good	8.337 \| good	0.417 \| good	27.196 \| good	0.662 \| good
2026-01-22T04:00:00.000Z	92 \| moderate	30.982 \| fine	66.385 \| fine	5.34 \| good	0.473 \| good	31.765 \| good	0.646 \| good
2026-01-22T05:00:00.000Z	84 \| moderate	26.975 \| fine	48.433 \| good	2.507 \| good	0.75 \| good	35.775 \| good	0.685 \| good
2026-01-22T06:00:00.000Z	96 \| moderate	33.361 \| fine	98.108 \| fine	1.471 \| good	0.58 \| good	36.624 \| good	0.746 \| good
2026-01-22T07:00:00.000Z	82 \| moderate	26.196 \| fine	62.097 \| fine	1.471 \| good	0.611 \| good	33.878 \| good	0.869 \| good
2026-01-22T08:00:00.000Z	82 \| moderate	25.714 \| fine	69.139 \| fine	5.976 \| good	0.635 \| good	32.751 \| good	0.774 \| good
2026-01-22T09:00:00.000Z	84 \| moderate	26.503 \| fine	74.244 \| fine	6.493 \| good	0.61 \| good	32.239 \| good	0.69 \| good
2026-01-22T10:00:00.000Z	82 \| moderate	26.16 \| fine	65.398 \| fine	7.476 \| good	0.588 \| good	29.012 \| good	0.623 \| good
2026-01-22T11:00:00.000Z	69 \| moderate	18.859 \| fine	48.287 \| good	12.202 \| good	0.314 \| good	30.131 \| good	0.452 \| good
2026-01-22T12:00:00.000Z	77 \| moderate	22.605 \| fine	66.142 \| fine	8.045 \| good	0.652 \| good	25.166 \| good	0.476 \| good
2026-01-22T13:00:00.000Z	75 \| moderate	22.069 \| fine	42.889 \| good	4.377 \| good	0.651 \| good	25.166 \| good	0.476 \| good
2026-01-22T14:00:00.000Z	90 \| moderate	30.208 \| fine	95.623 \| fine	9.193 \| good	0.458 \| good	25.222 \| good	0.563 \| good
2026-01-22T15:00:00.000Z	94 \| moderate	32.319 \| fine	113.366 \| fine	4.637 \| good	0.545 \| good	23.361 \| good	0.598 \| good
2026-01-22T16:00:00.000Z	86 \| moderate	28.026 \| fine	95.33 \| fine	7.777 \| good	0.636 \| good	21.644 \| good	0.684 \| good
2026-01-22T17:00:00.000Z	90 \| moderate	29.837 \| fine	85.755 \| fine	8.832 \| good	0.689 \| good	22.46 \| good	0.696 \| good
2026-01-22T18:00:00.000Z	73 \| moderate	21.387 \| fine	61.46 \| fine	11.694 \| good	0.503 \| good	26.435 \| good	0.707 \| good
2026-01-22T19:00:00.000Z	81 \| moderate	25.043 \| fine	104.295 \| fine	11.905 \| good	0.452 \| good	26.48 \| good	0.714 \| good
2026-01-22T20:00:00.000Z	33 \| good	6.135 \| good	23.004 \| good	13.39 \| good	0.375 \| good	24.423 \| good	0.516 \| good
2026-01-22T21:00:00.000Z	77 \| moderate	22.772 \| fine	38.941 \| good	15.677 \| good	0.449 \| good	19.512 \| good	0.453 \| good
2026-01-22T22:00:00.000Z	73 \| moderate	21.219 \| fine	39.735 \| good	18.726 \| good	0.648 \| good	16.357 \| good	0.431 \| good
2026-01-22T23:00:00.000Z	75 \| moderate	21.755 \| fine	26.482 \| good	21.529 \| good	0.496 \| good	14.886 \| good	0.401 \| good
2026-01-23T00:00:00.000Z	81 \| moderate	24.824 \| fine	25.466 \| good	22.394 \| good	0.303 \| good	13.542 \| good	0.414 \| good
2026-01-23T01:00:00.000Z	92 \| moderate	31.336 \| fine	46.265 \| good	25.97 \| good	0.338 \| good	13.368 \| good	0.383 \| good
2026-01-23T02:00:00.000Z	64 \| moderate	15.773 \| fine	25.536 \| good	25.002 \| good	0.352 \| good	14.701 \| good	0.432 \| good
2026-01-23T03:00:00.000Z	60 \| moderate	14.009 \| fine	38.548 \| good	24.735 \| good	0.22 \| good	14.798 \| good	0.437 \| good
2026-01-23T04:00:00.000Z	58 \| moderate	12.851 \| fine	37.515 \| good	21.927 \| good	0.331 \| good	17.551 \| good	0.374 \| good
2026-01-23T05:00:00.000Z	62 \| moderate	15.046 \| fine	51.935 \| good	20.029 \| good	0.552 \| good	15.087 \| good	0.462 \| good
2026-01-23T06:00:00.000Z	64 \| moderate	16.211 \| fine	44.38 \| good	16.788 \| good	0.274 \| good	18.851 \| good	0.463 \| good
2026-01-23T07:00:00.000Z	67 \| moderate	18.357 \| fine	44.338 \| good	16.788 \| good	0.298 \| good	18.851 \| good	0.462 \| good
2026-01-23T08:00:00.000Z	67 \| moderate	18.189 \| fine	61.448 \| fine	13.586 \| good	0.612 \| good	19.848 \| good	0.555 \| good
2026-01-23T09:00:00.000Z	56 \| moderate	11.823 \| good	44.071 \| good	9.912 \| good	0.283 \| good	17.093 \| good	0.596 \| good
2026-01-23T10:00:00.000Z	49 \| good	9.092 \| good	49.439 \| good	8.044 \| good	0.483 \| good	17.262 \| good	0.594 \| good
2026-01-23T11:00:00.000Z	60 \| moderate	14.402 \| fine	24.713 \| good	4.935 \| good	0.349 \| good	20.064 \| good	0.541 \| good
2026-01-23T12:00:00.000Z	52 \| moderate	10.098 \| good	37.681 \| good	4.125 \| good	0.451 \| good	22.383 \| good	0.514 \| good
2026-01-23T13:00:00.000Z	52 \| moderate	10.098 \| good	37.681 \| good	4.125 \| good	0.451 \| good	22.383 \| good	0.514 \| good
2026-01-23T14:00:00.000Z	58 \| moderate	12.538 \| fine	55.875 \| fine	5.006 \| good	3.009 \| good	25.675 \| good	0.465 \| good
2026-01-23T15:00:00.000Z	60 \| moderate	14.115 \| fine	63.001 \| fine	5.614 \| good	2.902 \| good	25.412 \| good	0.473 \| good
2026-01-23T16:00:00.000Z	66 \| moderate	17.261 \| fine	76.174 \| fine	8.207 \| good	4.213 \| good	24.48 \| good	0.419 \| good
2026-01-23T17:00:00.000Z	77 \| moderate	23.013 \| fine	100.533 \| fine	13.694 \| good	5.525 \| good	23.548 \| good	0.366 \| good
2026-01-23T18:00:00.000Z	79 \| moderate	23.636 \| fine	102.866 \| fine	20.023 \| good	6.837 \| good	22.616 \| good	0.312 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	15.041 \| fine	66.636 \| fine	29.017 \| good	7.278 \| good	22.057 \| good	0.288 \| good
2026-01-23T20:00:00.000Z	33 \| good	6.292 \| good	27.704 \| good	34.546 \| good	7.718 \| good	21.499 \| good	0.264 \| good
2026-01-23T21:00:00.000Z	32 \| good	5.293 \| good	22.95 \| good	35.057 \| good	8.159 \| good	20.94 \| good	0.239 \| good
2026-01-23T22:00:00.000Z	44 \| good	7.634 \| good	33.417 \| good	35.091 \| good	8.16 \| good	21.537 \| good	0.234 \| good
2026-01-23T23:00:00.000Z	36 \| good	6.039 \| good	26.188 \| good	38.531 \| good	8.161 \| good	22.133 \| good	0.229 \| good
2026-01-24T00:00:00.000Z	36 \| good	4.487 \| good	19.459 \| good	38.646 \| good	8.162 \| good	22.729 \| good	0.224 \| good
2026-01-24T01:00:00.000Z	37 \| good	5.721 \| good	24.828 \| good	39.838 \| good	8.178 \| good	27.965 \| good	0.264 \| good
2026-01-24T02:00:00.000Z	52 \| moderate	10.213 \| good	45.288 \| good	34.768 \| good	8.194 \| good	33.202 \| good	0.305 \| good
2026-01-24T03:00:00.000Z	62 \| moderate	15.253 \| fine	68.363 \| fine	29.255 \| good	8.209 \| good	38.438 \| good	0.346 \| good
2026-01-24T04:00:00.000Z	69 \| moderate	18.894 \| fine	83.374 \| fine	21.917 \| good	8.518 \| good	38.507 \| good	0.366 \| good
2026-01-24T05:00:00.000Z	71 \| moderate	20.233 \| fine	88.773 \| fine	14.269 \| good	8.827 \| good	38.576 \| good	0.387 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.53 \| fine	103.097 \| fine	12.914 \| good	9.135 \| good	38.645 \| good	0.407 \| good
2026-01-24T07:00:00.000Z	73 \| moderate	21.197 \| fine	93.369 \| fine	11.969 \| good	8.975 \| good	36.209 \| good	0.367 \| good
2026-01-24T08:00:00.000Z	73 \| moderate	20.704 \| fine	91.557 \| fine	9.773 \| good	8.815 \| good	33.773 \| good	0.326 \| good
2026-01-24T09:00:00.000Z	75 \| moderate	21.669 \| fine	94.619 \| fine	6.922 \| good	8.655 \| good	31.337 \| good	0.286 \| good
2026-01-24T10:00:00.000Z	75 \| moderate	22.12 \| fine	96.97 \| fine	7.492 \| good	8.731 \| good	30.604 \| good	0.28 \| good
2026-01-24T11:00:00.000Z	71 \| moderate	19.659 \| fine	86.693 \| fine	7.225 \| good	8.806 \| good	29.87 \| good	0.273 \| good
2026-01-24T12:00:00.000Z	67 \| moderate	17.92 \| fine	79.83 \| fine	10.357 \| good	8.882 \| good	29.136 \| good	0.267 \| good
2026-01-24T13:00:00.000Z	58 \| moderate	13.278 \| fine	59.482 \| fine	14.906 \| good	8.939 \| good	28.6 \| good	0.276 \| good
2026-01-24T14:00:00.000Z	58 \| moderate	12.997 \| fine	58.517 \| fine	14.666 \| good	8.995 \| good	28.063 \| good	0.286 \| good
2026-01-24T15:00:00.000Z	58 \| moderate	12.713 \| fine	57.165 \| fine	15.953 \| good	9.052 \| good	27.527 \| good	0.296 \| good
2026-01-24T16:00:00.000Z	52 \| moderate	10.445 \| good	46.319 \| good	22.555 \| good	8.601 \| good	23.499 \| good	0.273 \| good
2026-01-24T17:00:00.000Z	56 \| moderate	11.892 \| good	53.105 \| good	28.027 \| good	8.151 \| good	19.471 \| good	0.25 \| good
2026-01-24T18:00:00.000Z	49 \| good	9.06 \| good	40.382 \| good	32.584 \| good	7.701 \| good	15.442 \| good	0.228 \| good
2026-01-24T19:00:00.000Z	49 \| good	8.582 \| good	38.341 \| good	36.173 \| good	6.711 \| good	13.165 \| good	0.208 \| good
2026-01-24T20:00:00.000Z	36 \| good	6.049 \| good	26.793 \| good	38.551 \| good	5.722 \| good	10.887 \| good	0.189 \| good
2026-01-24T21:00:00.000Z	38 \| good	6.555 \| good	28.638 \| good	38.845 \| good	4.732 \| good	8.609 \| good	0.17 \| good
2026-01-24T22:00:00.000Z	44 \| good	8.098 \| good	35.43 \| good	39.876 \| good	4.397 \| good	8.511 \| good	0.168 \| good
2026-01-24T23:00:00.000Z	54 \| moderate	10.812 \| good	48.141 \| good	42.181 \| good	4.061 \| good	8.414 \| good	0.165 \| good
2026-01-25T00:00:00.000Z	44 \| good	8.039 \| good	35.047 \| good	45.572 \| good	3.725 \| good	8.316 \| good	0.163 \| good
2026-01-25T01:00:00.000Z	49 \| good	9.028 \| good	40.495 \| good	44.146 \| good	3.554 \| good	13.607 \| good	0.187 \| good
2026-01-25T02:00:00.000Z	52 \| moderate	9.961 \| good	44.395 \| good	36.955 \| good	3.383 \| good	18.898 \| good	0.211 \| good
2026-01-25T03:00:00.000Z	52 \| moderate	9.664 \| good	42.795 \| good	36.341 \| good	3.211 \| good	24.189 \| good	0.235 \| good
2026-01-25T04:00:00.000Z	54 \| moderate	10.739 \| good	47.628 \| good	31.958 \| good	3.345 \| good	23.778 \| good	0.25 \| good
2026-01-25T05:00:00.000Z	54 \| moderate	10.995 \| good	48.381 \| good	25.716 \| good	3.479 \| good	23.366 \| good	0.266 \| good
2026-01-25T06:00:00.000Z	75 \| moderate	21.882 \| fine	22.374 \| good	15.969 \| good	3.588 \| good	22.617 \| good	0.279 \| good
2026-01-25T07:00:00.000Z	56 \| moderate	11.904 \| good	53.622 \| good	9.577 \| good	3.243 \| good	21.838 \| good	0.264 \| good
2026-01-25T08:00:00.000Z	52 \| moderate	10.028 \| good	44.192 \| good	9.586 \| good	2.873 \| good	20.721 \| good	0.247 \| good
2026-01-25T09:00:00.000Z	54 \| moderate	10.734 \| good	47.204 \| good	8.587 \| good	2.504 \| good	19.605 \| good	0.231 \| good
2026-01-25T10:00:00.000Z	52 \| moderate	10.317 \| good	45.482 \| good	7.731 \| good	2.197 \| good	19.066 \| good	0.213 \| good
2026-01-25T11:00:00.000Z	49 \| good	8.649 \| good	38.376 \| good	8.52 \| good	1.891 \| good	18.527 \| good	0.196 \| good
2026-01-25T12:00:00.000Z	49 \| good	8.939 \| good	9.14 \| good	14.372 \| good	1.565 \| good	17.816 \| good	0.178 \| good
2026-01-25T13:00:00.000Z	44 \| good	7.553 \| good	7.754 \| good	13.84 \| good	1.58 \| good	18.416 \| good	0.179 \| good

Live air quality index in Pasadena, California today

Major air pollutants in Pasadena, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

South Pasadena, California

San Marino, California

Alhambra, California

San Gabriel, California

East San Gabriel, California

La Canada Flintridge, California

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Frequently asked questions

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What is the PM2.5 level in Pasadena, California at the moment?

What is the PM10 level in Pasadena, California at the moment?

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

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

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

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

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 Pasadena, California at the moment?

What is the PM₁₀ level in Pasadena, California at the moment?

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

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

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