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

The PM10 concentration in Pasadena, California is 12.554 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 0.151 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 15.094 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 4.357 ppb.

Live air quality index in Pasadena, California today

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

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)

6.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.50 μg/m³

155

255

425

605+

Ozone (O₃)

21.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.52 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-08T17:00:00.000Z	54 \| moderate	9.036 \| good	62.067 \| fine	27.753 \| good	0.636 \| good	9.924 \| good	0.303 \| good
2025-09-08T18:00:00.000Z	58 \| moderate	12.934 \| fine	68.196 \| fine	38.393 \| good	0.65 \| good	7.916 \| good	0.21 \| good
2025-09-08T19:00:00.000Z	52 \| moderate	9.656 \| good	32.925 \| good	45.353 \| good	0.548 \| good	6.781 \| good	0.204 \| good
2025-09-08T20:00:00.000Z	54 \| moderate	10.54 \| good	32.087 \| good	48.543 \| good	0.47 \| good	7.583 \| good	0.204 \| good
2025-09-08T21:00:00.000Z	50 \| good	7.633 \| good	36.519 \| good	54.108 \| good	0.315 \| good	10.964 \| good	0.291 \| good
2025-09-08T22:00:00.000Z	45 \| good	6.349 \| good	18.447 \| good	49.465 \| good	0.295 \| good	7.93 \| good	0.291 \| good
2025-09-08T23:00:00.000Z	47 \| good	5.855 \| good	21.719 \| good	51.44 \| good	0.506 \| good	6.195 \| good	0.199 \| good
2025-09-09T00:00:00.000Z	35 \| good	4.877 \| good	21.105 \| good	38.295 \| good	3.941 \| good	7.354 \| good	0.133 \| good
2025-09-09T01:00:00.000Z	30 \| good	4.634 \| good	20.089 \| good	31.56 \| good	3.941 \| good	10.183 \| good	0.139 \| good
2025-09-09T02:00:00.000Z	33 \| good	5.525 \| good	24.174 \| good	29.507 \| good	3.415 \| good	11.374 \| good	0.139 \| good
2025-09-09T03:00:00.000Z	33 \| good	5.562 \| good	23.987 \| good	27.799 \| good	3.482 \| good	14.271 \| good	0.148 \| good
2025-09-09T04:00:00.000Z	27 \| good	4.746 \| good	20.524 \| good	21.567 \| good	4.064 \| good	18.297 \| good	0.163 \| good
2025-09-09T05:00:00.000Z	22 \| good	4.343 \| good	19 \| good	19.533 \| good	4.188 \| good	20.753 \| good	0.174 \| good
2025-09-09T06:00:00.000Z	27 \| good	4.542 \| good	19.684 \| good	16.665 \| good	4.311 \| good	23.209 \| good	0.184 \| good
2025-09-09T07:00:00.000Z	22 \| good	2.922 \| good	11.853 \| good	16.558 \| good	3.997 \| good	22.635 \| good	0.196 \| good
2025-09-09T08:00:00.000Z	16 \| good	2.87 \| good	10.552 \| good	6.874 \| good	0.216 \| good	10.57 \| good	0.199 \| good
2025-09-09T09:00:00.000Z	22 \| good	3.814 \| good	17.963 \| good	6.849 \| good	0.209 \| good	9.918 \| good	0.203 \| good
2025-09-09T10:00:00.000Z	22 \| good	3.661 \| good	12.832 \| good	6.849 \| good	0.18 \| good	9.918 \| good	0.203 \| good
2025-09-09T11:00:00.000Z	22 \| good	3.616 \| good	11.263 \| good	1.126 \| good	0.235 \| good	13.553 \| good	0.201 \| good
2025-09-09T12:00:00.000Z	22 \| good	3.504 \| good	13.36 \| good	1.273 \| good	0.204 \| good	12.336 \| good	0.199 \| good
2025-09-09T13:00:00.000Z	22 \| good	3.613 \| good	21.079 \| good	4.041 \| good	0.215 \| good	10.695 \| good	0.199 \| good
2025-09-09T14:00:00.000Z	38 \| good	6.661 \| good	24.394 \| good	8.986 \| good	0.401 \| good	9.531 \| good	0.2 \| good
2025-09-09T15:00:00.000Z	22 \| good	4.255 \| good	15.82 \| good	11.053 \| good	0.478 \| good	8.118 \| good	0.198 \| good
2025-09-09T16:00:00.000Z	22 \| good	3.971 \| good	22.358 \| good	15.984 \| good	0.667 \| good	6.547 \| good	0.197 \| good
2025-09-09T17:00:00.000Z	57 \| moderate	8.137 \| good	66.858 \| fine	19.991 \| good	0.685 \| good	6.007 \| good	0.198 \| good
2025-09-09T18:00:00.000Z	52 \| moderate	9.981 \| good	48.49 \| good	25.776 \| good	0.241 \| good	6.414 \| good	0.197 \| good
2025-09-09T19:00:00.000Z	52 \| moderate	9.562 \| good	34.381 \| good	29.664 \| good	0.194 \| good	5.596 \| good	0.197 \| good
2025-09-09T20:00:00.000Z	44 \| good	7.749 \| good	29.105 \| good	32.728 \| good	0.149 \| good	6.417 \| good	0.199 \| good
2025-09-09T21:00:00.000Z	35 \| good	5.693 \| good	12.428 \| good	37.589 \| good	0.228 \| good	7.1 \| good	0.199 \| good
2025-09-09T22:00:00.000Z	37 \| good	6.02 \| good	30.481 \| good	40.298 \| good	0.176 \| good	7.793 \| good	0.195 \| good
2025-09-09T23:00:00.000Z	44 \| good	8.04 \| good	24.159 \| good	38.688 \| good	0.111 \| good	6.854 \| good	0.199 \| good
2025-09-10T00:00:00.000Z	36 \| good	5.447 \| good	22.586 \| good	38.804 \| good	0.137 \| good	5.641 \| good	0.199 \| good
2025-09-10T01:00:00.000Z	36 \| good	4.996 \| good	18.324 \| good	38.552 \| good	0.212 \| good	5.181 \| good	0.196 \| good
2025-09-10T02:00:00.000Z	31 \| good	3.76 \| good	13.858 \| good	33.622 \| good	0.191 \| good	5.156 \| good	0.196 \| good
2025-09-10T03:00:00.000Z	29 \| good	5.422 \| good	30.668 \| good	30.49 \| good	0.186 \| good	4.603 \| good	0.199 \| good
2025-09-10T04:00:00.000Z	33 \| good	5.59 \| good	28.288 \| good	26.61 \| good	0.233 \| good	5.186 \| good	0.193 \| good
2025-09-10T05:00:00.000Z	27 \| good	5.126 \| good	21.128 \| good	21.821 \| good	0.443 \| good	5.711 \| good	0.193 \| good
2025-09-10T06:00:00.000Z	27 \| good	2.772 \| good	29.191 \| good	21.821 \| good	0.325 \| good	5.985 \| good	0.194 \| good
2025-09-10T07:00:00.000Z	16 \| good	3.033 \| good	11.687 \| good	16.141 \| good	0.206 \| good	6.831 \| good	0.194 \| good
2025-09-10T08:00:00.000Z	27 \| good	5.047 \| good	17.803 \| good	15.983 \| good	0.295 \| good	6.404 \| good	0.195 \| good
2025-09-10T09:00:00.000Z	27 \| good	4.547 \| good	15.701 \| good	14.23 \| good	0.249 \| good	6.358 \| good	0.1 \| good
2025-09-10T10:00:00.000Z	22 \| good	3.585 \| good	14.903 \| good	15.2 \| good	0.438 \| good	5.243 \| good	0.1 \| good
2025-09-10T11:00:00.000Z	22 \| good	3.569 \| good	12.554 \| good	15.094 \| good	0.151 \| good	4.357 \| good	0.1 \| good
2025-09-10T12:00:00.000Z	22 \| good	4.226 \| good	12.009 \| good	16.202 \| good	0.151 \| good	3.916 \| good	0.1 \| good
2025-09-10T13:00:00.000Z	22 \| good	3.664 \| good	15.361 \| good	17.946 \| good	0.334 \| good	3.712 \| good	0.1 \| good
2025-09-10T14:00:00.000Z	33 \| good	6.015 \| good	13.369 \| good	18.872 \| good	0.521 \| good	4.586 \| good	0.104 \| good
2025-09-10T15:00:00.000Z	33 \| good	6.314 \| good	17.498 \| good	21.661 \| good	0.356 \| good	5.516 \| good	0.105 \| good
2025-09-10T16:00:00.000Z	33 \| good	6.314 \| good	17.498 \| good	21.661 \| good	0.356 \| good	5.516 \| good	0.105 \| good
2025-09-10T12:00:00.000Z	16 \| good	2.17 \| good	8.968 \| good	17.117 \| good	4.251 \| good	15.613 \| good	0.138 \| good
2025-09-10T13:00:00.000Z	15 \| good	1.56 \| good	6.197 \| good	15.777 \| good	4.062 \| good	13.915 \| good	0.138 \| good
2025-09-10T14:00:00.000Z	17 \| good	2.489 \| good	9.956 \| good	17.783 \| good	3.873 \| good	12.217 \| good	0.138 \| good
2025-09-10T15:00:00.000Z	22 \| good	2.415 \| good	9.828 \| good	24.396 \| good	3.683 \| good	10.519 \| good	0.138 \| good
2025-09-10T16:00:00.000Z	27 \| good	3.007 \| good	13.048 \| good	28.776 \| good	3.332 \| good	8.844 \| good	0.133 \| good
2025-09-10T17:00:00.000Z	31 \| good	4.449 \| good	19.316 \| good	32.764 \| good	2.982 \| good	7.169 \| good	0.127 \| good
2025-09-10T18:00:00.000Z	34 \| good	5.826 \| good	25.681 \| good	37.141 \| good	2.631 \| good	5.494 \| good	0.122 \| good
2025-09-10T19:00:00.000Z	41 \| good	5.799 \| good	25.713 \| good	44.076 \| good	2.653 \| good	4.991 \| good	0.121 \| good
2025-09-10T20:00:00.000Z	44 \| good	6.224 \| good	27.49 \| good	47.725 \| good	2.676 \| good	4.489 \| good	0.12 \| good
2025-09-10T21:00:00.000Z	49 \| good	8.766 \| good	39.18 \| good	48.823 \| good	2.698 \| good	3.986 \| good	0.12 \| good
2025-09-10T22:00:00.000Z	48 \| good	7.807 \| good	34.397 \| good	51.601 \| good	2.788 \| good	4.259 \| good	0.12 \| good
2025-09-10T23:00:00.000Z	44 \| good	7.669 \| good	33.641 \| good	47.718 \| good	2.878 \| good	4.533 \| good	0.12 \| good
2025-09-11T00:00:00.000Z	49 \| good	9.163 \| good	40.601 \| good	47.54 \| good	2.968 \| good	4.806 \| good	0.12 \| good
2025-09-11T01:00:00.000Z	40 \| good	7.079 \| good	31.097 \| good	43.305 \| good	3.161 \| good	6.95 \| good	0.124 \| good
2025-09-11T02:00:00.000Z	49 \| good	9.338 \| good	41.599 \| good	35.455 \| good	3.354 \| good	9.094 \| good	0.128 \| good
2025-09-11T03:00:00.000Z	44 \| good	8.089 \| good	35.69 \| good	33.811 \| good	3.547 \| good	11.239 \| good	0.132 \| good
2025-09-11T04:00:00.000Z	44 \| good	8.114 \| good	35.775 \| good	29.013 \| good	3.789 \| good	13.219 \| good	0.137 \| good
2025-09-11T05:00:00.000Z	38 \| good	7.166 \| good	32.037 \| good	26.234 \| good	4.031 \| good	15.199 \| good	0.142 \| good
2025-09-11T06:00:00.000Z	33 \| good	6.341 \| good	28.175 \| good	23.755 \| good	4.273 \| good	17.18 \| good	0.147 \| good
2025-09-11T07:00:00.000Z	22 \| good	4.143 \| good	18.094 \| good	21.933 \| good	4.325 \| good	18.214 \| good	0.151 \| good
2025-09-11T08:00:00.000Z	22 \| good	3.553 \| good	15.233 \| good	20.436 \| good	4.377 \| good	19.248 \| good	0.155 \| good
2025-09-11T09:00:00.000Z	22 \| good	3.926 \| good	16.885 \| good	18.292 \| good	4.43 \| good	20.282 \| good	0.158 \| good
2025-09-11T10:00:00.000Z	22 \| good	3.9 \| good	17.113 \| good	17.89 \| good	4.702 \| good	20.055 \| good	0.156 \| good
2025-09-11T11:00:00.000Z	19 \| good	3.231 \| good	14.132 \| good	16.378 \| good	4.974 \| good	19.827 \| good	0.153 \| good
2025-09-11T12:00:00.000Z	22 \| good	3.863 \| good	17.07 \| good	12.88 \| good	5.247 \| good	19.6 \| good	0.151 \| good
2025-09-11T13:00:00.000Z	17 \| good	1.802 \| good	7.333 \| good	12.434 \| good	5.293 \| good	17.76 \| good	0.158 \| good
2025-09-11T14:00:00.000Z	16 \| good	2.911 \| good	11.924 \| good	13.989 \| good	5.338 \| good	15.919 \| good	0.166 \| good
2025-09-11T15:00:00.000Z	17 \| good	3.221 \| good	13.837 \| good	17.93 \| good	5.384 \| good	14.079 \| good	0.173 \| good
2025-09-11T16:00:00.000Z	27 \| good	4.712 \| good	20.777 \| good	21.878 \| good	4.949 \| good	11.787 \| good	0.16 \| good
2025-09-11T17:00:00.000Z	33 \| good	5.723 \| good	25.541 \| good	28.58 \| good	4.514 \| good	9.495 \| good	0.148 \| good
2025-09-11T18:00:00.000Z	33 \| good	5.549 \| good	23.995 \| good	34.59 \| good	4.079 \| good	7.203 \| good	0.135 \| good
2025-09-11T19:00:00.000Z	38 \| good	5.459 \| good	23.463 \| good	40.98 \| good	4.06 \| good	6.636 \| good	0.133 \| good
2025-09-11T20:00:00.000Z	42 \| good	5.492 \| good	23.66 \| good	44.73 \| good	4.041 \| good	6.069 \| good	0.131 \| good
2025-09-11T21:00:00.000Z	42 \| good	5.472 \| good	23.61 \| good	45.224 \| good	4.022 \| good	5.501 \| good	0.129 \| good
2025-09-11T22:00:00.000Z	40 \| good	4.584 \| good	19.616 \| good	43.002 \| good	4.075 \| good	5.746 \| good	0.129 \| good
2025-09-11T23:00:00.000Z	36 \| good	5.042 \| good	21.661 \| good	38.604 \| good	4.127 \| good	5.991 \| good	0.13 \| good
2025-09-12T00:00:00.000Z	38 \| good	6.533 \| good	29.169 \| good	38.981 \| good	4.18 \| good	6.236 \| good	0.13 \| good
2025-09-12T01:00:00.000Z	38 \| good	6.68 \| good	29.535 \| good	36.978 \| good	4.318 \| good	8.842 \| good	0.137 \| good
2025-09-12T02:00:00.000Z	52 \| moderate	10.203 \| good	45.298 \| good	32.489 \| good	4.457 \| good	11.448 \| good	0.144 \| good
2025-09-12T03:00:00.000Z	44 \| good	8.051 \| good	35.55 \| good	29.947 \| good	4.596 \| good	14.054 \| good	0.151 \| good
2025-09-12T04:00:00.000Z	44 \| good	8.095 \| good	35.487 \| good	26.771 \| good	4.841 \| good	16.952 \| good	0.162 \| good
2025-09-12T05:00:00.000Z	44 \| good	7.855 \| good	34.585 \| good	25.137 \| good	5.087 \| good	19.849 \| good	0.172 \| good
2025-09-12T06:00:00.000Z	66 \| moderate	16.631 \| fine	18.203 \| good	14.194 \| good	5.332 \| good	22.61 \| good	0.182 \| good
2025-09-12T07:00:00.000Z	33 \| good	6.369 \| good	28.193 \| good	21.285 \| good	5.288 \| good	23.771 \| good	0.191 \| good
2025-09-12T08:00:00.000Z	38 \| good	6.612 \| good	29.622 \| good	20.006 \| good	5.243 \| good	24.796 \| good	0.199 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.876 \| good	25.549 \| good	20.325 \| good	5.199 \| good	25.822 \| good	0.207 \| good
2025-09-12T10:00:00.000Z	27 \| good	4.704 \| good	20.269 \| good	20.241 \| good	5.108 \| good	25.585 \| good	0.207 \| good
2025-09-12T11:00:00.000Z	24 \| good	4.291 \| good	19.036 \| good	19.457 \| good	5.017 \| good	25.348 \| good	0.207 \| good

Pasadena

Get reliable air quality data to drive your business

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

0.10ppm

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 05:00:00 on 2025-09-09.

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 07:00:00 on 2025-09-10.

What is the AQI in Pasadena, California right now?

As of now, the AQI in Pasadena, California is 22, indicating Good 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 3.569 μg/m³.

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

The PM₁₀ concentration in Pasadena, California is 12.554 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 0.1 ppm.

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

Currently, Pasadena, California has a sulfur dioxide (SO₂) concentration of 0.151 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 15.094 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 4.357 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-08T17:00:00.000Z	54 \| moderate	9.036 \| good	62.067 \| fine	27.753 \| good	0.636 \| good	9.924 \| good	0.303 \| good
2025-09-08T18:00:00.000Z	58 \| moderate	12.934 \| fine	68.196 \| fine	38.393 \| good	0.65 \| good	7.916 \| good	0.21 \| good
2025-09-08T19:00:00.000Z	52 \| moderate	9.656 \| good	32.925 \| good	45.353 \| good	0.548 \| good	6.781 \| good	0.204 \| good
2025-09-08T20:00:00.000Z	54 \| moderate	10.54 \| good	32.087 \| good	48.543 \| good	0.47 \| good	7.583 \| good	0.204 \| good
2025-09-08T21:00:00.000Z	50 \| good	7.633 \| good	36.519 \| good	54.108 \| good	0.315 \| good	10.964 \| good	0.291 \| good
2025-09-08T22:00:00.000Z	45 \| good	6.349 \| good	18.447 \| good	49.465 \| good	0.295 \| good	7.93 \| good	0.291 \| good
2025-09-08T23:00:00.000Z	47 \| good	5.855 \| good	21.719 \| good	51.44 \| good	0.506 \| good	6.195 \| good	0.199 \| good
2025-09-09T00:00:00.000Z	35 \| good	4.877 \| good	21.105 \| good	38.295 \| good	3.941 \| good	7.354 \| good	0.133 \| good
2025-09-09T01:00:00.000Z	30 \| good	4.634 \| good	20.089 \| good	31.56 \| good	3.941 \| good	10.183 \| good	0.139 \| good
2025-09-09T02:00:00.000Z	33 \| good	5.525 \| good	24.174 \| good	29.507 \| good	3.415 \| good	11.374 \| good	0.139 \| good
2025-09-09T03:00:00.000Z	33 \| good	5.562 \| good	23.987 \| good	27.799 \| good	3.482 \| good	14.271 \| good	0.148 \| good
2025-09-09T04:00:00.000Z	27 \| good	4.746 \| good	20.524 \| good	21.567 \| good	4.064 \| good	18.297 \| good	0.163 \| good
2025-09-09T05:00:00.000Z	22 \| good	4.343 \| good	19 \| good	19.533 \| good	4.188 \| good	20.753 \| good	0.174 \| good
2025-09-09T06:00:00.000Z	27 \| good	4.542 \| good	19.684 \| good	16.665 \| good	4.311 \| good	23.209 \| good	0.184 \| good
2025-09-09T07:00:00.000Z	22 \| good	2.922 \| good	11.853 \| good	16.558 \| good	3.997 \| good	22.635 \| good	0.196 \| good
2025-09-09T08:00:00.000Z	16 \| good	2.87 \| good	10.552 \| good	6.874 \| good	0.216 \| good	10.57 \| good	0.199 \| good
2025-09-09T09:00:00.000Z	22 \| good	3.814 \| good	17.963 \| good	6.849 \| good	0.209 \| good	9.918 \| good	0.203 \| good
2025-09-09T10:00:00.000Z	22 \| good	3.661 \| good	12.832 \| good	6.849 \| good	0.18 \| good	9.918 \| good	0.203 \| good
2025-09-09T11:00:00.000Z	22 \| good	3.616 \| good	11.263 \| good	1.126 \| good	0.235 \| good	13.553 \| good	0.201 \| good
2025-09-09T12:00:00.000Z	22 \| good	3.504 \| good	13.36 \| good	1.273 \| good	0.204 \| good	12.336 \| good	0.199 \| good
2025-09-09T13:00:00.000Z	22 \| good	3.613 \| good	21.079 \| good	4.041 \| good	0.215 \| good	10.695 \| good	0.199 \| good
2025-09-09T14:00:00.000Z	38 \| good	6.661 \| good	24.394 \| good	8.986 \| good	0.401 \| good	9.531 \| good	0.2 \| good
2025-09-09T15:00:00.000Z	22 \| good	4.255 \| good	15.82 \| good	11.053 \| good	0.478 \| good	8.118 \| good	0.198 \| good
2025-09-09T16:00:00.000Z	22 \| good	3.971 \| good	22.358 \| good	15.984 \| good	0.667 \| good	6.547 \| good	0.197 \| good
2025-09-09T17:00:00.000Z	57 \| moderate	8.137 \| good	66.858 \| fine	19.991 \| good	0.685 \| good	6.007 \| good	0.198 \| good
2025-09-09T18:00:00.000Z	52 \| moderate	9.981 \| good	48.49 \| good	25.776 \| good	0.241 \| good	6.414 \| good	0.197 \| good
2025-09-09T19:00:00.000Z	52 \| moderate	9.562 \| good	34.381 \| good	29.664 \| good	0.194 \| good	5.596 \| good	0.197 \| good
2025-09-09T20:00:00.000Z	44 \| good	7.749 \| good	29.105 \| good	32.728 \| good	0.149 \| good	6.417 \| good	0.199 \| good
2025-09-09T21:00:00.000Z	35 \| good	5.693 \| good	12.428 \| good	37.589 \| good	0.228 \| good	7.1 \| good	0.199 \| good
2025-09-09T22:00:00.000Z	37 \| good	6.02 \| good	30.481 \| good	40.298 \| good	0.176 \| good	7.793 \| good	0.195 \| good
2025-09-09T23:00:00.000Z	44 \| good	8.04 \| good	24.159 \| good	38.688 \| good	0.111 \| good	6.854 \| good	0.199 \| good
2025-09-10T00:00:00.000Z	36 \| good	5.447 \| good	22.586 \| good	38.804 \| good	0.137 \| good	5.641 \| good	0.199 \| good
2025-09-10T01:00:00.000Z	36 \| good	4.996 \| good	18.324 \| good	38.552 \| good	0.212 \| good	5.181 \| good	0.196 \| good
2025-09-10T02:00:00.000Z	31 \| good	3.76 \| good	13.858 \| good	33.622 \| good	0.191 \| good	5.156 \| good	0.196 \| good
2025-09-10T03:00:00.000Z	29 \| good	5.422 \| good	30.668 \| good	30.49 \| good	0.186 \| good	4.603 \| good	0.199 \| good
2025-09-10T04:00:00.000Z	33 \| good	5.59 \| good	28.288 \| good	26.61 \| good	0.233 \| good	5.186 \| good	0.193 \| good
2025-09-10T05:00:00.000Z	27 \| good	5.126 \| good	21.128 \| good	21.821 \| good	0.443 \| good	5.711 \| good	0.193 \| good
2025-09-10T06:00:00.000Z	27 \| good	2.772 \| good	29.191 \| good	21.821 \| good	0.325 \| good	5.985 \| good	0.194 \| good
2025-09-10T07:00:00.000Z	16 \| good	3.033 \| good	11.687 \| good	16.141 \| good	0.206 \| good	6.831 \| good	0.194 \| good
2025-09-10T08:00:00.000Z	27 \| good	5.047 \| good	17.803 \| good	15.983 \| good	0.295 \| good	6.404 \| good	0.195 \| good
2025-09-10T09:00:00.000Z	27 \| good	4.547 \| good	15.701 \| good	14.23 \| good	0.249 \| good	6.358 \| good	0.1 \| good
2025-09-10T10:00:00.000Z	22 \| good	3.585 \| good	14.903 \| good	15.2 \| good	0.438 \| good	5.243 \| good	0.1 \| good
2025-09-10T11:00:00.000Z	22 \| good	3.569 \| good	12.554 \| good	15.094 \| good	0.151 \| good	4.357 \| good	0.1 \| good
2025-09-10T12:00:00.000Z	22 \| good	4.226 \| good	12.009 \| good	16.202 \| good	0.151 \| good	3.916 \| good	0.1 \| good
2025-09-10T13:00:00.000Z	22 \| good	3.664 \| good	15.361 \| good	17.946 \| good	0.334 \| good	3.712 \| good	0.1 \| good
2025-09-10T14:00:00.000Z	33 \| good	6.015 \| good	13.369 \| good	18.872 \| good	0.521 \| good	4.586 \| good	0.104 \| good
2025-09-10T15:00:00.000Z	33 \| good	6.314 \| good	17.498 \| good	21.661 \| good	0.356 \| good	5.516 \| good	0.105 \| good
2025-09-10T16:00:00.000Z	33 \| good	6.314 \| good	17.498 \| good	21.661 \| good	0.356 \| good	5.516 \| good	0.105 \| good
2025-09-10T12:00:00.000Z	16 \| good	2.17 \| good	8.968 \| good	17.117 \| good	4.251 \| good	15.613 \| good	0.138 \| good
2025-09-10T13:00:00.000Z	15 \| good	1.56 \| good	6.197 \| good	15.777 \| good	4.062 \| good	13.915 \| good	0.138 \| good
2025-09-10T14:00:00.000Z	17 \| good	2.489 \| good	9.956 \| good	17.783 \| good	3.873 \| good	12.217 \| good	0.138 \| good
2025-09-10T15:00:00.000Z	22 \| good	2.415 \| good	9.828 \| good	24.396 \| good	3.683 \| good	10.519 \| good	0.138 \| good
2025-09-10T16:00:00.000Z	27 \| good	3.007 \| good	13.048 \| good	28.776 \| good	3.332 \| good	8.844 \| good	0.133 \| good
2025-09-10T17:00:00.000Z	31 \| good	4.449 \| good	19.316 \| good	32.764 \| good	2.982 \| good	7.169 \| good	0.127 \| good
2025-09-10T18:00:00.000Z	34 \| good	5.826 \| good	25.681 \| good	37.141 \| good	2.631 \| good	5.494 \| good	0.122 \| good
2025-09-10T19:00:00.000Z	41 \| good	5.799 \| good	25.713 \| good	44.076 \| good	2.653 \| good	4.991 \| good	0.121 \| good
2025-09-10T20:00:00.000Z	44 \| good	6.224 \| good	27.49 \| good	47.725 \| good	2.676 \| good	4.489 \| good	0.12 \| good
2025-09-10T21:00:00.000Z	49 \| good	8.766 \| good	39.18 \| good	48.823 \| good	2.698 \| good	3.986 \| good	0.12 \| good
2025-09-10T22:00:00.000Z	48 \| good	7.807 \| good	34.397 \| good	51.601 \| good	2.788 \| good	4.259 \| good	0.12 \| good
2025-09-10T23:00:00.000Z	44 \| good	7.669 \| good	33.641 \| good	47.718 \| good	2.878 \| good	4.533 \| good	0.12 \| good
2025-09-11T00:00:00.000Z	49 \| good	9.163 \| good	40.601 \| good	47.54 \| good	2.968 \| good	4.806 \| good	0.12 \| good
2025-09-11T01:00:00.000Z	40 \| good	7.079 \| good	31.097 \| good	43.305 \| good	3.161 \| good	6.95 \| good	0.124 \| good
2025-09-11T02:00:00.000Z	49 \| good	9.338 \| good	41.599 \| good	35.455 \| good	3.354 \| good	9.094 \| good	0.128 \| good
2025-09-11T03:00:00.000Z	44 \| good	8.089 \| good	35.69 \| good	33.811 \| good	3.547 \| good	11.239 \| good	0.132 \| good
2025-09-11T04:00:00.000Z	44 \| good	8.114 \| good	35.775 \| good	29.013 \| good	3.789 \| good	13.219 \| good	0.137 \| good
2025-09-11T05:00:00.000Z	38 \| good	7.166 \| good	32.037 \| good	26.234 \| good	4.031 \| good	15.199 \| good	0.142 \| good
2025-09-11T06:00:00.000Z	33 \| good	6.341 \| good	28.175 \| good	23.755 \| good	4.273 \| good	17.18 \| good	0.147 \| good
2025-09-11T07:00:00.000Z	22 \| good	4.143 \| good	18.094 \| good	21.933 \| good	4.325 \| good	18.214 \| good	0.151 \| good
2025-09-11T08:00:00.000Z	22 \| good	3.553 \| good	15.233 \| good	20.436 \| good	4.377 \| good	19.248 \| good	0.155 \| good
2025-09-11T09:00:00.000Z	22 \| good	3.926 \| good	16.885 \| good	18.292 \| good	4.43 \| good	20.282 \| good	0.158 \| good
2025-09-11T10:00:00.000Z	22 \| good	3.9 \| good	17.113 \| good	17.89 \| good	4.702 \| good	20.055 \| good	0.156 \| good
2025-09-11T11:00:00.000Z	19 \| good	3.231 \| good	14.132 \| good	16.378 \| good	4.974 \| good	19.827 \| good	0.153 \| good
2025-09-11T12:00:00.000Z	22 \| good	3.863 \| good	17.07 \| good	12.88 \| good	5.247 \| good	19.6 \| good	0.151 \| good
2025-09-11T13:00:00.000Z	17 \| good	1.802 \| good	7.333 \| good	12.434 \| good	5.293 \| good	17.76 \| good	0.158 \| good
2025-09-11T14:00:00.000Z	16 \| good	2.911 \| good	11.924 \| good	13.989 \| good	5.338 \| good	15.919 \| good	0.166 \| good
2025-09-11T15:00:00.000Z	17 \| good	3.221 \| good	13.837 \| good	17.93 \| good	5.384 \| good	14.079 \| good	0.173 \| good
2025-09-11T16:00:00.000Z	27 \| good	4.712 \| good	20.777 \| good	21.878 \| good	4.949 \| good	11.787 \| good	0.16 \| good
2025-09-11T17:00:00.000Z	33 \| good	5.723 \| good	25.541 \| good	28.58 \| good	4.514 \| good	9.495 \| good	0.148 \| good
2025-09-11T18:00:00.000Z	33 \| good	5.549 \| good	23.995 \| good	34.59 \| good	4.079 \| good	7.203 \| good	0.135 \| good
2025-09-11T19:00:00.000Z	38 \| good	5.459 \| good	23.463 \| good	40.98 \| good	4.06 \| good	6.636 \| good	0.133 \| good
2025-09-11T20:00:00.000Z	42 \| good	5.492 \| good	23.66 \| good	44.73 \| good	4.041 \| good	6.069 \| good	0.131 \| good
2025-09-11T21:00:00.000Z	42 \| good	5.472 \| good	23.61 \| good	45.224 \| good	4.022 \| good	5.501 \| good	0.129 \| good
2025-09-11T22:00:00.000Z	40 \| good	4.584 \| good	19.616 \| good	43.002 \| good	4.075 \| good	5.746 \| good	0.129 \| good
2025-09-11T23:00:00.000Z	36 \| good	5.042 \| good	21.661 \| good	38.604 \| good	4.127 \| good	5.991 \| good	0.13 \| good
2025-09-12T00:00:00.000Z	38 \| good	6.533 \| good	29.169 \| good	38.981 \| good	4.18 \| good	6.236 \| good	0.13 \| good
2025-09-12T01:00:00.000Z	38 \| good	6.68 \| good	29.535 \| good	36.978 \| good	4.318 \| good	8.842 \| good	0.137 \| good
2025-09-12T02:00:00.000Z	52 \| moderate	10.203 \| good	45.298 \| good	32.489 \| good	4.457 \| good	11.448 \| good	0.144 \| good
2025-09-12T03:00:00.000Z	44 \| good	8.051 \| good	35.55 \| good	29.947 \| good	4.596 \| good	14.054 \| good	0.151 \| good
2025-09-12T04:00:00.000Z	44 \| good	8.095 \| good	35.487 \| good	26.771 \| good	4.841 \| good	16.952 \| good	0.162 \| good
2025-09-12T05:00:00.000Z	44 \| good	7.855 \| good	34.585 \| good	25.137 \| good	5.087 \| good	19.849 \| good	0.172 \| good
2025-09-12T06:00:00.000Z	66 \| moderate	16.631 \| fine	18.203 \| good	14.194 \| good	5.332 \| good	22.61 \| good	0.182 \| good
2025-09-12T07:00:00.000Z	33 \| good	6.369 \| good	28.193 \| good	21.285 \| good	5.288 \| good	23.771 \| good	0.191 \| good
2025-09-12T08:00:00.000Z	38 \| good	6.612 \| good	29.622 \| good	20.006 \| good	5.243 \| good	24.796 \| good	0.199 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.876 \| good	25.549 \| good	20.325 \| good	5.199 \| good	25.822 \| good	0.207 \| good
2025-09-12T10:00:00.000Z	27 \| good	4.704 \| good	20.269 \| good	20.241 \| good	5.108 \| good	25.585 \| good	0.207 \| good
2025-09-12T11:00:00.000Z	24 \| good	4.291 \| good	19.036 \| good	19.457 \| good	5.017 \| good	25.348 \| good	0.207 \| 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)

Track live Pasadena, California air quality forecast and history

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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?