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

The PM10 concentration in Pasadena, California is 20.024 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 0.786 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 39.05 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 5.998 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 4.481 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)

Good

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)

4.48 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.02 μg/m³

155

255

425

605+

Ozone (O₃)

39.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.79 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Very high

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
2026-04-22T07:00:00.000Z	33 \| good	4.375 \| good	12.514 \| good	36.119 \| good	0.488 \| good	2.457 \| good	0.253 \| good
2026-04-22T08:00:00.000Z	27 \| good	5.165 \| good	23.463 \| good	27.06 \| good	0.482 \| good	4.632 \| good	0.262 \| good
2026-04-22T09:00:00.000Z	27 \| good	5.072 \| good	22.606 \| good	25.688 \| good	0.536 \| good	5.266 \| good	0.24 \| good
2026-04-22T10:00:00.000Z	22 \| good	3.386 \| good	13.85 \| good	23.623 \| good	0.493 \| good	6.885 \| good	0.249 \| good
2026-04-22T11:00:00.000Z	23 \| good	3.142 \| good	6.908 \| good	24.849 \| good	0.636 \| good	4.359 \| good	0.293 \| good
2026-04-22T12:00:00.000Z	19 \| good	3.443 \| good	7.513 \| good	21.31 \| good	0.526 \| good	5.336 \| good	0.392 \| good
2026-04-22T13:00:00.000Z	27 \| good	5.263 \| good	21.371 \| good	21.31 \| good	0.574 \| good	12.165 \| good	0.54 \| good
2026-04-22T14:00:00.000Z	33 \| good	6.444 \| good	18.254 \| good	17.507 \| good	0.543 \| good	18.474 \| good	0.607 \| good
2026-04-22T15:00:00.000Z	27 \| good	5.456 \| good	19.56 \| good	23.259 \| good	0.632 \| good	13.257 \| good	0.497 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.276 \| good	25.898 \| good	24.593 \| good	0.574 \| good	8.499 \| good	0.324 \| good
2026-04-22T17:00:00.000Z	27 \| good	3.927 \| good	18.593 \| good	28.563 \| good	0.42 \| good	2.916 \| good	0.253 \| good
2026-04-22T18:00:00.000Z	28 \| good	3.737 \| good	11.507 \| good	29.885 \| good	0.481 \| good	3.838 \| good	0.231 \| good
2026-04-22T19:00:00.000Z	35 \| good	3.327 \| good	26.036 \| good	37.727 \| good	0.45 \| good	3.71 \| good	0.231 \| good
2026-04-22T20:00:00.000Z	43 \| good	4.557 \| good	15.867 \| good	45.744 \| good	0.509 \| good	2.017 \| good	0.218 \| good
2026-04-22T21:00:00.000Z	46 \| good	3.877 \| good	14.504 \| good	49.766 \| good	0.5 \| good	1.94 \| good	0.218 \| good
2026-04-22T22:00:00.000Z	45 \| good	4.656 \| good	16.996 \| good	49.052 \| good	0.509 \| good	3.5 \| good	0.169 \| good
2026-04-22T23:00:00.000Z	44 \| good	3.804 \| good	31.772 \| good	48.171 \| good	0.523 \| good	2.927 \| good	0.169 \| good
2026-04-23T00:00:00.000Z	46 \| good	2.813 \| good	16.873 \| good	50.014 \| good	0.532 \| good	1.853 \| good	0.178 \| good
2026-04-23T01:00:00.000Z	46 \| good	4.966 \| good	32.032 \| good	49.789 \| good	0.498 \| good	1.839 \| good	0.178 \| good
2026-04-23T02:00:00.000Z	44 \| good	3.766 \| good	16.778 \| good	46.872 \| good	0.547 \| good	1.806 \| good	0.178 \| good
2026-04-23T03:00:00.000Z	41 \| good	3.219 \| good	11.815 \| good	43.997 \| good	0.512 \| good	2.405 \| good	0.191 \| good
2026-04-23T04:00:00.000Z	38 \| good	3.415 \| good	20.341 \| good	41.092 \| good	0.524 \| good	2.723 \| good	0.24 \| good
2026-04-23T05:00:00.000Z	36 \| good	3.257 \| good	39.166 \| good	36.931 \| good	0.684 \| good	4.337 \| good	0.24 \| good
2026-04-23T06:00:00.000Z	28 \| good	5.05 \| good	18.641 \| good	29.944 \| good	0.615 \| good	4.534 \| good	0.316 \| good
2026-04-23T07:00:00.000Z	33 \| good	5.823 \| good	18.904 \| good	26.759 \| good	0.532 \| good	5.459 \| good	0.365 \| good
2026-04-23T08:00:00.000Z	27 \| good	5.431 \| good	19.325 \| good	27.463 \| good	0.559 \| good	6.609 \| good	0.329 \| good
2026-04-23T09:00:00.000Z	25 \| good	3.805 \| good	18.662 \| good	27.302 \| good	0.538 \| good	7.609 \| good	0.283 \| good
2026-04-23T10:00:00.000Z	23 \| good	3.871 \| good	17.378 \| good	25.082 \| good	0.478 \| good	7.784 \| good	0.271 \| good
2026-04-23T11:00:00.000Z	27 \| good	5.086 \| good	15.256 \| good	22.148 \| good	0.625 \| good	7.571 \| good	0.264 \| good
2026-04-23T12:00:00.000Z	27 \| good	4.837 \| good	18.135 \| good	18.405 \| good	0.491 \| good	10.318 \| good	0.272 \| good
2026-04-23T13:00:00.000Z	22 \| good	4.443 \| good	17.484 \| good	18.405 \| good	0.604 \| good	12.606 \| good	0.48 \| good
2026-04-23T14:00:00.000Z	38 \| good	6.595 \| good	30.788 \| good	21.392 \| good	0.57 \| good	15.864 \| good	0.545 \| good
2026-04-23T15:00:00.000Z	38 \| good	6.759 \| good	25.138 \| good	24.464 \| good	0.616 \| good	13.071 \| good	0.414 \| good
2026-04-23T16:00:00.000Z	38 \| good	6.926 \| good	23.713 \| good	24.895 \| good	0.642 \| good	12.141 \| good	0.305 \| good
2026-04-23T17:00:00.000Z	27 \| good	4.738 \| good	18.093 \| good	25.287 \| good	0.597 \| good	11.747 \| good	0.269 \| good
2026-04-23T18:00:00.000Z	27 \| good	4.976 \| good	19.204 \| good	25.686 \| good	0.575 \| good	4.855 \| good	0.262 \| good
2026-04-23T19:00:00.000Z	27 \| good	4.966 \| good	24.011 \| good	26.137 \| good	0.622 \| good	4.566 \| good	0.239 \| good
2026-04-23T20:00:00.000Z	41 \| good	7.122 \| good	31.844 \| good	43.975 \| good	0.656 \| good	6.709 \| good	0.213 \| good
2026-04-23T21:00:00.000Z	45 \| good	8.483 \| good	32.748 \| good	48.632 \| good	0.67 \| good	6.497 \| good	0.242 \| good
2026-04-23T22:00:00.000Z	49 \| good	8.519 \| good	28.901 \| good	52.852 \| good	0.685 \| good	4.847 \| good	0.253 \| good
2026-04-23T23:00:00.000Z	64 \| moderate	8.149 \| good	24.898 \| good	58.737 \| fine	0.762 \| good	7.925 \| good	0.253 \| good
2026-04-24T00:00:00.000Z	74 \| moderate	5.885 \| good	22.649 \| good	61.717 \| fine	0.719 \| good	5.505 \| good	0.262 \| good
2026-04-24T01:00:00.000Z	67 \| moderate	6.849 \| good	24.726 \| good	59.757 \| fine	0.689 \| good	2.974 \| good	0.213 \| good
2026-04-24T02:00:00.000Z	61 \| moderate	5.866 \| good	29.917 \| good	57.674 \| fine	0.717 \| good	3.324 \| good	0.204 \| good
2026-04-24T03:00:00.000Z	52 \| moderate	9.545 \| good	42.617 \| good	50.298 \| good	3.395 \| good	13.23 \| good	0.177 \| good
2026-04-24T04:00:00.000Z	44 \| good	5.856 \| good	26.372 \| good	46.836 \| good	0.664 \| good	5.791 \| good	0.275 \| good
2026-04-24T05:00:00.000Z	36 \| good	4.481 \| good	20.024 \| good	39.05 \| good	0.786 \| good	5.998 \| good	0.275 \| good
2026-04-24T06:00:00.000Z	36 \| good	4.481 \| good	20.024 \| good	39.05 \| good	0.786 \| good	5.998 \| good	0.275 \| good
2026-04-24T07:00:00.000Z	52 \| moderate	9.657 \| good	42.934 \| good	31.11 \| good	4.209 \| good	25.059 \| good	0.224 \| good
2026-04-24T08:00:00.000Z	56 \| moderate	12.058 \| good	54.219 \| good	24.308 \| good	4.224 \| good	25.028 \| good	0.227 \| good
2026-04-24T09:00:00.000Z	56 \| moderate	12.359 \| fine	55.197 \| fine	23.659 \| good	4.239 \| good	24.997 \| good	0.23 \| good
2026-04-24T10:00:00.000Z	56 \| moderate	12.01 \| good	53.931 \| good	24.645 \| good	4.279 \| good	24.057 \| good	0.226 \| good
2026-04-24T11:00:00.000Z	58 \| moderate	12.667 \| fine	56.745 \| fine	21.597 \| good	4.319 \| good	23.116 \| good	0.223 \| good
2026-04-24T12:00:00.000Z	60 \| moderate	14.431 \| fine	65.034 \| fine	17.142 \| good	4.359 \| good	22.175 \| good	0.219 \| good
2026-04-24T13:00:00.000Z	67 \| moderate	18.053 \| fine	79.358 \| fine	16.871 \| good	4.373 \| good	19.924 \| good	0.22 \| good
2026-04-24T14:00:00.000Z	58 \| moderate	12.518 \| fine	56.415 \| fine	28.606 \| good	4.386 \| good	17.674 \| good	0.221 \| good
2026-04-24T15:00:00.000Z	54 \| moderate	10.779 \| good	47.453 \| good	40.361 \| good	4.4 \| good	15.423 \| good	0.221 \| good
2026-04-24T16:00:00.000Z	49 \| good	9.241 \| good	41.035 \| good	47.413 \| good	4.064 \| good	12.225 \| good	0.2 \| good
2026-04-24T17:00:00.000Z	48 \| good	7.972 \| good	34.587 \| good	51.991 \| good	3.728 \| good	9.028 \| good	0.178 \| good
2026-04-24T18:00:00.000Z	58 \| moderate	7.781 \| good	34.306 \| good	57.12 \| fine	3.392 \| good	5.83 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	77 \| moderate	7.341 \| good	32.419 \| good	62.903 \| fine	3.111 \| good	4.946 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	87 \| moderate	6.467 \| good	28.741 \| good	65.748 \| fine	2.829 \| good	4.063 \| good	0.149 \| good
2026-04-24T21:00:00.000Z	87 \| moderate	5.869 \| good	26.156 \| good	66.124 \| fine	2.548 \| good	3.179 \| good	0.145 \| good
2026-04-24T22:00:00.000Z	84 \| moderate	5.871 \| good	26.116 \| good	65.468 \| fine	2.564 \| good	3.465 \| good	0.146 \| good
2026-04-24T23:00:00.000Z	80 \| moderate	5.433 \| good	23.171 \| good	63.59 \| fine	2.579 \| good	3.751 \| good	0.147 \| good
2026-04-25T00:00:00.000Z	77 \| moderate	8.577 \| good	37.633 \| good	62.583 \| fine	2.595 \| good	4.037 \| good	0.148 \| good
2026-04-25T01:00:00.000Z	74 \| moderate	11.047 \| good	48.809 \| good	61.985 \| fine	2.819 \| good	6.059 \| good	0.155 \| good
2026-04-25T02:00:00.000Z	56 \| moderate	12.253 \| fine	55.679 \| fine	55.734 \| fine	3.043 \| good	8.082 \| good	0.161 \| good
2026-04-25T03:00:00.000Z	54 \| moderate	11.165 \| good	49.479 \| good	55.382 \| fine	3.268 \| good	10.104 \| good	0.168 \| good
2026-04-25T04:00:00.000Z	52 \| moderate	10.333 \| good	46.064 \| good	48.647 \| good	3.438 \| good	12.949 \| good	0.177 \| good
2026-04-25T05:00:00.000Z	49 \| good	8.959 \| good	39.303 \| good	44.923 \| good	3.608 \| good	15.793 \| good	0.186 \| good
2026-04-25T06:00:00.000Z	44 \| good	8.125 \| good	35.733 \| good	39.809 \| good	3.779 \| good	18.637 \| good	0.195 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.942 \| good	35.281 \| good	38.462 \| good	3.703 \| good	18.102 \| good	0.195 \| good
2026-04-25T08:00:00.000Z	49 \| good	8.63 \| good	37.996 \| good	37.236 \| good	3.628 \| good	17.568 \| good	0.195 \| good
2026-04-25T09:00:00.000Z	49 \| good	8.632 \| good	37.915 \| good	33.922 \| good	3.553 \| good	17.033 \| good	0.194 \| good
2026-04-25T10:00:00.000Z	44 \| good	7.985 \| good	34.806 \| good	33.815 \| good	3.429 \| good	15.713 \| good	0.187 \| good
2026-04-25T11:00:00.000Z	38 \| good	7.24 \| good	32.269 \| good	32.864 \| good	3.305 \| good	14.393 \| good	0.179 \| good
2026-04-25T12:00:00.000Z	33 \| good	6.269 \| good	27.71 \| good	29.177 \| good	3.181 \| good	13.072 \| good	0.172 \| good
2026-04-25T13:00:00.000Z	30 \| good	4.231 \| good	18.81 \| good	32.392 \| good	3.044 \| good	11.205 \| good	0.164 \| good
2026-04-25T14:00:00.000Z	31 \| good	4.287 \| good	18.757 \| good	33.479 \| good	2.907 \| good	9.338 \| good	0.155 \| good
2026-04-25T15:00:00.000Z	37 \| good	4.342 \| good	18.577 \| good	39.954 \| good	2.769 \| good	7.471 \| good	0.147 \| good
2026-04-25T16:00:00.000Z	41 \| good	3.991 \| good	17.551 \| good	43.847 \| good	2.534 \| good	6.444 \| good	0.144 \| good
2026-04-25T17:00:00.000Z	43 \| good	4.113 \| good	18.054 \| good	45.993 \| good	2.299 \| good	5.418 \| good	0.14 \| good
2026-04-25T18:00:00.000Z	45 \| good	4.551 \| good	19.812 \| good	48.53 \| good	2.064 \| good	4.392 \| good	0.137 \| good
2026-04-25T19:00:00.000Z	49 \| good	5.224 \| good	22.67 \| good	52.835 \| good	1.885 \| good	3.772 \| good	0.135 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	4.803 \| good	20.896 \| good	55.647 \| fine	1.705 \| good	3.153 \| good	0.132 \| good
2026-04-25T21:00:00.000Z	54 \| moderate	4.195 \| good	18.27 \| good	56.243 \| fine	1.525 \| good	2.534 \| good	0.129 \| good
2026-04-25T22:00:00.000Z	54 \| moderate	4.699 \| good	20.802 \| good	55.652 \| fine	1.389 \| good	2.823 \| good	0.128 \| good
2026-04-25T23:00:00.000Z	54 \| moderate	3.959 \| good	17.565 \| good	56.089 \| fine	1.252 \| good	3.112 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	54 \| moderate	4.094 \| good	17.937 \| good	55.975 \| fine	1.115 \| good	3.402 \| good	0.125 \| good
2026-04-26T01:00:00.000Z	51 \| moderate	4.459 \| good	19.609 \| good	55.236 \| fine	1.173 \| good	3.936 \| good	0.125 \| good
2026-04-26T02:00:00.000Z	45 \| good	5.177 \| good	22.369 \| good	49.178 \| good	1.231 \| good	4.47 \| good	0.126 \| good
2026-04-26T03:00:00.000Z	46 \| good	4.829 \| good	20.805 \| good	49.594 \| good	1.289 \| good	5.004 \| good	0.126 \| good
2026-04-26T04:00:00.000Z	43 \| good	5.07 \| good	21.718 \| good	46.268 \| good	1.432 \| good	5.612 \| good	0.126 \| good
2026-04-26T05:00:00.000Z	42 \| good	4.328 \| good	18.996 \| good	44.995 \| good	1.576 \| good	6.221 \| good	0.127 \| good
2026-04-26T06:00:00.000Z	49 \| good	8.84 \| good	16.163 \| good	38.445 \| good	1.72 \| good	6.79 \| good	0.127 \| good

Pasadena

Get reliable air quality data to drive your business

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

0.27ppm

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 12:00:00 on 2026-04-24.

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 01:00:00 on 2026-04-23.

What is the AQI in Pasadena, California right now?

As of now, the AQI in Pasadena, California is 36, indicating Good conditions.

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

Pasadena, California air has the highest levels of O3.

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 4.481 μg/m³.

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

The PM₁₀ concentration in Pasadena, California is 20.024 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 0.275 ppm.

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

Currently, Pasadena, California has a sulfur dioxide (SO₂) concentration of 0.786 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 39.05 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 5.998 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T07:00:00.000Z	33 \| good	4.375 \| good	12.514 \| good	36.119 \| good	0.488 \| good	2.457 \| good	0.253 \| good
2026-04-22T08:00:00.000Z	27 \| good	5.165 \| good	23.463 \| good	27.06 \| good	0.482 \| good	4.632 \| good	0.262 \| good
2026-04-22T09:00:00.000Z	27 \| good	5.072 \| good	22.606 \| good	25.688 \| good	0.536 \| good	5.266 \| good	0.24 \| good
2026-04-22T10:00:00.000Z	22 \| good	3.386 \| good	13.85 \| good	23.623 \| good	0.493 \| good	6.885 \| good	0.249 \| good
2026-04-22T11:00:00.000Z	23 \| good	3.142 \| good	6.908 \| good	24.849 \| good	0.636 \| good	4.359 \| good	0.293 \| good
2026-04-22T12:00:00.000Z	19 \| good	3.443 \| good	7.513 \| good	21.31 \| good	0.526 \| good	5.336 \| good	0.392 \| good
2026-04-22T13:00:00.000Z	27 \| good	5.263 \| good	21.371 \| good	21.31 \| good	0.574 \| good	12.165 \| good	0.54 \| good
2026-04-22T14:00:00.000Z	33 \| good	6.444 \| good	18.254 \| good	17.507 \| good	0.543 \| good	18.474 \| good	0.607 \| good
2026-04-22T15:00:00.000Z	27 \| good	5.456 \| good	19.56 \| good	23.259 \| good	0.632 \| good	13.257 \| good	0.497 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.276 \| good	25.898 \| good	24.593 \| good	0.574 \| good	8.499 \| good	0.324 \| good
2026-04-22T17:00:00.000Z	27 \| good	3.927 \| good	18.593 \| good	28.563 \| good	0.42 \| good	2.916 \| good	0.253 \| good
2026-04-22T18:00:00.000Z	28 \| good	3.737 \| good	11.507 \| good	29.885 \| good	0.481 \| good	3.838 \| good	0.231 \| good
2026-04-22T19:00:00.000Z	35 \| good	3.327 \| good	26.036 \| good	37.727 \| good	0.45 \| good	3.71 \| good	0.231 \| good
2026-04-22T20:00:00.000Z	43 \| good	4.557 \| good	15.867 \| good	45.744 \| good	0.509 \| good	2.017 \| good	0.218 \| good
2026-04-22T21:00:00.000Z	46 \| good	3.877 \| good	14.504 \| good	49.766 \| good	0.5 \| good	1.94 \| good	0.218 \| good
2026-04-22T22:00:00.000Z	45 \| good	4.656 \| good	16.996 \| good	49.052 \| good	0.509 \| good	3.5 \| good	0.169 \| good
2026-04-22T23:00:00.000Z	44 \| good	3.804 \| good	31.772 \| good	48.171 \| good	0.523 \| good	2.927 \| good	0.169 \| good
2026-04-23T00:00:00.000Z	46 \| good	2.813 \| good	16.873 \| good	50.014 \| good	0.532 \| good	1.853 \| good	0.178 \| good
2026-04-23T01:00:00.000Z	46 \| good	4.966 \| good	32.032 \| good	49.789 \| good	0.498 \| good	1.839 \| good	0.178 \| good
2026-04-23T02:00:00.000Z	44 \| good	3.766 \| good	16.778 \| good	46.872 \| good	0.547 \| good	1.806 \| good	0.178 \| good
2026-04-23T03:00:00.000Z	41 \| good	3.219 \| good	11.815 \| good	43.997 \| good	0.512 \| good	2.405 \| good	0.191 \| good
2026-04-23T04:00:00.000Z	38 \| good	3.415 \| good	20.341 \| good	41.092 \| good	0.524 \| good	2.723 \| good	0.24 \| good
2026-04-23T05:00:00.000Z	36 \| good	3.257 \| good	39.166 \| good	36.931 \| good	0.684 \| good	4.337 \| good	0.24 \| good
2026-04-23T06:00:00.000Z	28 \| good	5.05 \| good	18.641 \| good	29.944 \| good	0.615 \| good	4.534 \| good	0.316 \| good
2026-04-23T07:00:00.000Z	33 \| good	5.823 \| good	18.904 \| good	26.759 \| good	0.532 \| good	5.459 \| good	0.365 \| good
2026-04-23T08:00:00.000Z	27 \| good	5.431 \| good	19.325 \| good	27.463 \| good	0.559 \| good	6.609 \| good	0.329 \| good
2026-04-23T09:00:00.000Z	25 \| good	3.805 \| good	18.662 \| good	27.302 \| good	0.538 \| good	7.609 \| good	0.283 \| good
2026-04-23T10:00:00.000Z	23 \| good	3.871 \| good	17.378 \| good	25.082 \| good	0.478 \| good	7.784 \| good	0.271 \| good
2026-04-23T11:00:00.000Z	27 \| good	5.086 \| good	15.256 \| good	22.148 \| good	0.625 \| good	7.571 \| good	0.264 \| good
2026-04-23T12:00:00.000Z	27 \| good	4.837 \| good	18.135 \| good	18.405 \| good	0.491 \| good	10.318 \| good	0.272 \| good
2026-04-23T13:00:00.000Z	22 \| good	4.443 \| good	17.484 \| good	18.405 \| good	0.604 \| good	12.606 \| good	0.48 \| good
2026-04-23T14:00:00.000Z	38 \| good	6.595 \| good	30.788 \| good	21.392 \| good	0.57 \| good	15.864 \| good	0.545 \| good
2026-04-23T15:00:00.000Z	38 \| good	6.759 \| good	25.138 \| good	24.464 \| good	0.616 \| good	13.071 \| good	0.414 \| good
2026-04-23T16:00:00.000Z	38 \| good	6.926 \| good	23.713 \| good	24.895 \| good	0.642 \| good	12.141 \| good	0.305 \| good
2026-04-23T17:00:00.000Z	27 \| good	4.738 \| good	18.093 \| good	25.287 \| good	0.597 \| good	11.747 \| good	0.269 \| good
2026-04-23T18:00:00.000Z	27 \| good	4.976 \| good	19.204 \| good	25.686 \| good	0.575 \| good	4.855 \| good	0.262 \| good
2026-04-23T19:00:00.000Z	27 \| good	4.966 \| good	24.011 \| good	26.137 \| good	0.622 \| good	4.566 \| good	0.239 \| good
2026-04-23T20:00:00.000Z	41 \| good	7.122 \| good	31.844 \| good	43.975 \| good	0.656 \| good	6.709 \| good	0.213 \| good
2026-04-23T21:00:00.000Z	45 \| good	8.483 \| good	32.748 \| good	48.632 \| good	0.67 \| good	6.497 \| good	0.242 \| good
2026-04-23T22:00:00.000Z	49 \| good	8.519 \| good	28.901 \| good	52.852 \| good	0.685 \| good	4.847 \| good	0.253 \| good
2026-04-23T23:00:00.000Z	64 \| moderate	8.149 \| good	24.898 \| good	58.737 \| fine	0.762 \| good	7.925 \| good	0.253 \| good
2026-04-24T00:00:00.000Z	74 \| moderate	5.885 \| good	22.649 \| good	61.717 \| fine	0.719 \| good	5.505 \| good	0.262 \| good
2026-04-24T01:00:00.000Z	67 \| moderate	6.849 \| good	24.726 \| good	59.757 \| fine	0.689 \| good	2.974 \| good	0.213 \| good
2026-04-24T02:00:00.000Z	61 \| moderate	5.866 \| good	29.917 \| good	57.674 \| fine	0.717 \| good	3.324 \| good	0.204 \| good
2026-04-24T03:00:00.000Z	52 \| moderate	9.545 \| good	42.617 \| good	50.298 \| good	3.395 \| good	13.23 \| good	0.177 \| good
2026-04-24T04:00:00.000Z	44 \| good	5.856 \| good	26.372 \| good	46.836 \| good	0.664 \| good	5.791 \| good	0.275 \| good
2026-04-24T05:00:00.000Z	36 \| good	4.481 \| good	20.024 \| good	39.05 \| good	0.786 \| good	5.998 \| good	0.275 \| good
2026-04-24T06:00:00.000Z	36 \| good	4.481 \| good	20.024 \| good	39.05 \| good	0.786 \| good	5.998 \| good	0.275 \| good
2026-04-24T07:00:00.000Z	52 \| moderate	9.657 \| good	42.934 \| good	31.11 \| good	4.209 \| good	25.059 \| good	0.224 \| good
2026-04-24T08:00:00.000Z	56 \| moderate	12.058 \| good	54.219 \| good	24.308 \| good	4.224 \| good	25.028 \| good	0.227 \| good
2026-04-24T09:00:00.000Z	56 \| moderate	12.359 \| fine	55.197 \| fine	23.659 \| good	4.239 \| good	24.997 \| good	0.23 \| good
2026-04-24T10:00:00.000Z	56 \| moderate	12.01 \| good	53.931 \| good	24.645 \| good	4.279 \| good	24.057 \| good	0.226 \| good
2026-04-24T11:00:00.000Z	58 \| moderate	12.667 \| fine	56.745 \| fine	21.597 \| good	4.319 \| good	23.116 \| good	0.223 \| good
2026-04-24T12:00:00.000Z	60 \| moderate	14.431 \| fine	65.034 \| fine	17.142 \| good	4.359 \| good	22.175 \| good	0.219 \| good
2026-04-24T13:00:00.000Z	67 \| moderate	18.053 \| fine	79.358 \| fine	16.871 \| good	4.373 \| good	19.924 \| good	0.22 \| good
2026-04-24T14:00:00.000Z	58 \| moderate	12.518 \| fine	56.415 \| fine	28.606 \| good	4.386 \| good	17.674 \| good	0.221 \| good
2026-04-24T15:00:00.000Z	54 \| moderate	10.779 \| good	47.453 \| good	40.361 \| good	4.4 \| good	15.423 \| good	0.221 \| good
2026-04-24T16:00:00.000Z	49 \| good	9.241 \| good	41.035 \| good	47.413 \| good	4.064 \| good	12.225 \| good	0.2 \| good
2026-04-24T17:00:00.000Z	48 \| good	7.972 \| good	34.587 \| good	51.991 \| good	3.728 \| good	9.028 \| good	0.178 \| good
2026-04-24T18:00:00.000Z	58 \| moderate	7.781 \| good	34.306 \| good	57.12 \| fine	3.392 \| good	5.83 \| good	0.157 \| good
2026-04-24T19:00:00.000Z	77 \| moderate	7.341 \| good	32.419 \| good	62.903 \| fine	3.111 \| good	4.946 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	87 \| moderate	6.467 \| good	28.741 \| good	65.748 \| fine	2.829 \| good	4.063 \| good	0.149 \| good
2026-04-24T21:00:00.000Z	87 \| moderate	5.869 \| good	26.156 \| good	66.124 \| fine	2.548 \| good	3.179 \| good	0.145 \| good
2026-04-24T22:00:00.000Z	84 \| moderate	5.871 \| good	26.116 \| good	65.468 \| fine	2.564 \| good	3.465 \| good	0.146 \| good
2026-04-24T23:00:00.000Z	80 \| moderate	5.433 \| good	23.171 \| good	63.59 \| fine	2.579 \| good	3.751 \| good	0.147 \| good
2026-04-25T00:00:00.000Z	77 \| moderate	8.577 \| good	37.633 \| good	62.583 \| fine	2.595 \| good	4.037 \| good	0.148 \| good
2026-04-25T01:00:00.000Z	74 \| moderate	11.047 \| good	48.809 \| good	61.985 \| fine	2.819 \| good	6.059 \| good	0.155 \| good
2026-04-25T02:00:00.000Z	56 \| moderate	12.253 \| fine	55.679 \| fine	55.734 \| fine	3.043 \| good	8.082 \| good	0.161 \| good
2026-04-25T03:00:00.000Z	54 \| moderate	11.165 \| good	49.479 \| good	55.382 \| fine	3.268 \| good	10.104 \| good	0.168 \| good
2026-04-25T04:00:00.000Z	52 \| moderate	10.333 \| good	46.064 \| good	48.647 \| good	3.438 \| good	12.949 \| good	0.177 \| good
2026-04-25T05:00:00.000Z	49 \| good	8.959 \| good	39.303 \| good	44.923 \| good	3.608 \| good	15.793 \| good	0.186 \| good
2026-04-25T06:00:00.000Z	44 \| good	8.125 \| good	35.733 \| good	39.809 \| good	3.779 \| good	18.637 \| good	0.195 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.942 \| good	35.281 \| good	38.462 \| good	3.703 \| good	18.102 \| good	0.195 \| good
2026-04-25T08:00:00.000Z	49 \| good	8.63 \| good	37.996 \| good	37.236 \| good	3.628 \| good	17.568 \| good	0.195 \| good
2026-04-25T09:00:00.000Z	49 \| good	8.632 \| good	37.915 \| good	33.922 \| good	3.553 \| good	17.033 \| good	0.194 \| good
2026-04-25T10:00:00.000Z	44 \| good	7.985 \| good	34.806 \| good	33.815 \| good	3.429 \| good	15.713 \| good	0.187 \| good
2026-04-25T11:00:00.000Z	38 \| good	7.24 \| good	32.269 \| good	32.864 \| good	3.305 \| good	14.393 \| good	0.179 \| good
2026-04-25T12:00:00.000Z	33 \| good	6.269 \| good	27.71 \| good	29.177 \| good	3.181 \| good	13.072 \| good	0.172 \| good
2026-04-25T13:00:00.000Z	30 \| good	4.231 \| good	18.81 \| good	32.392 \| good	3.044 \| good	11.205 \| good	0.164 \| good
2026-04-25T14:00:00.000Z	31 \| good	4.287 \| good	18.757 \| good	33.479 \| good	2.907 \| good	9.338 \| good	0.155 \| good
2026-04-25T15:00:00.000Z	37 \| good	4.342 \| good	18.577 \| good	39.954 \| good	2.769 \| good	7.471 \| good	0.147 \| good
2026-04-25T16:00:00.000Z	41 \| good	3.991 \| good	17.551 \| good	43.847 \| good	2.534 \| good	6.444 \| good	0.144 \| good
2026-04-25T17:00:00.000Z	43 \| good	4.113 \| good	18.054 \| good	45.993 \| good	2.299 \| good	5.418 \| good	0.14 \| good
2026-04-25T18:00:00.000Z	45 \| good	4.551 \| good	19.812 \| good	48.53 \| good	2.064 \| good	4.392 \| good	0.137 \| good
2026-04-25T19:00:00.000Z	49 \| good	5.224 \| good	22.67 \| good	52.835 \| good	1.885 \| good	3.772 \| good	0.135 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	4.803 \| good	20.896 \| good	55.647 \| fine	1.705 \| good	3.153 \| good	0.132 \| good
2026-04-25T21:00:00.000Z	54 \| moderate	4.195 \| good	18.27 \| good	56.243 \| fine	1.525 \| good	2.534 \| good	0.129 \| good
2026-04-25T22:00:00.000Z	54 \| moderate	4.699 \| good	20.802 \| good	55.652 \| fine	1.389 \| good	2.823 \| good	0.128 \| good
2026-04-25T23:00:00.000Z	54 \| moderate	3.959 \| good	17.565 \| good	56.089 \| fine	1.252 \| good	3.112 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	54 \| moderate	4.094 \| good	17.937 \| good	55.975 \| fine	1.115 \| good	3.402 \| good	0.125 \| good
2026-04-26T01:00:00.000Z	51 \| moderate	4.459 \| good	19.609 \| good	55.236 \| fine	1.173 \| good	3.936 \| good	0.125 \| good
2026-04-26T02:00:00.000Z	45 \| good	5.177 \| good	22.369 \| good	49.178 \| good	1.231 \| good	4.47 \| good	0.126 \| good
2026-04-26T03:00:00.000Z	46 \| good	4.829 \| good	20.805 \| good	49.594 \| good	1.289 \| good	5.004 \| good	0.126 \| good
2026-04-26T04:00:00.000Z	43 \| good	5.07 \| good	21.718 \| good	46.268 \| good	1.432 \| good	5.612 \| good	0.126 \| good
2026-04-26T05:00:00.000Z	42 \| good	4.328 \| good	18.996 \| good	44.995 \| good	1.576 \| good	6.221 \| good	0.127 \| good
2026-04-26T06:00:00.000Z	49 \| good	8.84 \| good	16.163 \| good	38.445 \| good	1.72 \| good	6.79 \| good	0.127 \| 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?

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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?