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

The PM10 concentration in Pasadena, California is 51.267 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 0.857 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 29.341 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 8.573 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 12.294 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)

12.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

51.27 μg/m³

155

255

425

605+

Ozone (O₃)

29.34 ppb

201

201+

Sulfur Dioxide (SO₂)

0.86 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.57 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.40 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
2026-08-16T18:00:00.000Z	44 \| good	7.839 \| good	25.792 \| good	33.093 \| good	0.746 \| good	4.132 \| good	0.248 \| good
2026-08-16T19:00:00.000Z	44 \| good	8.323 \| good	27.846 \| good	42.002 \| good	0.713 \| good	5.015 \| good	0.24 \| good
2026-08-16T20:00:00.000Z	44 \| good	8.181 \| good	24.743 \| good	47.75 \| good	0.598 \| good	4.348 \| good	0.226 \| good
2026-08-16T21:00:00.000Z	52 \| moderate	10.187 \| good	36.236 \| good	49.719 \| good	0.648 \| good	3.639 \| good	0.24 \| good
2026-08-16T22:00:00.000Z	52 \| moderate	10.442 \| good	45.739 \| good	50.718 \| good	0.713 \| good	3.492 \| good	0.226 \| good
2026-08-16T23:00:00.000Z	49 \| good	9.064 \| good	24.227 \| good	48.677 \| good	0.911 \| good	2.888 \| good	0.226 \| good
2026-08-17T00:00:00.000Z	46 \| good	7.086 \| good	20.067 \| good	49.603 \| good	0.882 \| good	2.647 \| good	0.24 \| good
2026-08-17T01:00:00.000Z	44 \| good	7.2 \| good	22.361 \| good	47.345 \| good	0.713 \| good	3.022 \| good	0.24 \| good
2026-08-17T02:00:00.000Z	40 \| good	6.544 \| good	18.163 \| good	43.407 \| good	0.653 \| good	3.781 \| good	0.24 \| good
2026-08-17T03:00:00.000Z	49 \| good	8.726 \| good	38.357 \| good	33.187 \| good	0.912 \| good	6.67 \| good	0.126 \| good
2026-08-17T04:00:00.000Z	49 \| good	9.103 \| good	29.193 \| good	35.351 \| good	0.481 \| good	4.888 \| good	0.275 \| good
2026-08-17T05:00:00.000Z	44 \| good	8.143 \| good	37 \| good	28.723 \| good	0.627 \| good	8.096 \| good	0.324 \| good
2026-08-17T06:00:00.000Z	49 \| good	9.067 \| good	31.337 \| good	23.855 \| good	0.46 \| good	10.432 \| good	0.329 \| good
2026-08-17T07:00:00.000Z	44 \| good	7.98 \| good	39.256 \| good	23.855 \| good	0.458 \| good	10.432 \| good	0.329 \| good
2026-08-17T08:00:00.000Z	38 \| good	7.109 \| good	26.888 \| good	18.49 \| good	0.548 \| good	15.086 \| good	0.26 \| good
2026-08-17T09:00:00.000Z	44 \| good	7.69 \| good	30.097 \| good	11.846 \| good	0.494 \| good	11.342 \| good	0.213 \| good
2026-08-17T10:00:00.000Z	49 \| good	9.25 \| good	31.441 \| good	10.952 \| good	0.451 \| good	9.935 \| good	0.213 \| good
2026-08-17T11:00:00.000Z	44 \| good	8.052 \| good	31.984 \| good	9.613 \| good	0.661 \| good	8.998 \| good	0.213 \| good
2026-08-17T12:00:00.000Z	38 \| good	7.413 \| good	22.516 \| good	12.277 \| good	0.409 \| good	8.678 \| good	0.251 \| good
2026-08-17T13:00:00.000Z	38 \| good	7.176 \| good	20.952 \| good	12.178 \| good	0.409 \| good	8.699 \| good	0.251 \| good
2026-08-17T14:00:00.000Z	44 \| good	8.382 \| good	27.986 \| good	11.713 \| good	0.462 \| good	12.95 \| good	0.426 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.986 \| good	44.148 \| good	16.325 \| good	0.666 \| good	13.791 \| good	0.48 \| good
2026-08-17T16:00:00.000Z	54 \| moderate	11.032 \| good	45.06 \| good	21.393 \| good	0.854 \| good	10.868 \| good	0.422 \| good
2026-08-17T17:00:00.000Z	54 \| moderate	11.148 \| good	53.702 \| good	29.158 \| good	0.928 \| good	7.453 \| good	0.438 \| good
2026-08-17T18:00:00.000Z	58 \| moderate	12.528 \| fine	51.532 \| good	35.713 \| good	0.927 \| good	6.66 \| good	0.333 \| good
2026-08-17T19:00:00.000Z	58 \| moderate	13.257 \| fine	53.846 \| good	41.876 \| good	1.054 \| good	10.366 \| good	0.311 \| good
2026-08-17T20:00:00.000Z	56 \| moderate	12.338 \| fine	52.298 \| good	51.65 \| good	1.083 \| good	9.929 \| good	0.311 \| good
2026-08-17T21:00:00.000Z	64 \| moderate	13.551 \| fine	57.688 \| fine	59.422 \| fine	0.917 \| good	9.153 \| good	0.289 \| good
2026-08-17T22:00:00.000Z	71 \| moderate	12.04 \| good	58.305 \| fine	61.126 \| fine	0.878 \| good	8.285 \| good	0.248 \| good
2026-08-17T23:00:00.000Z	67 \| moderate	9.583 \| good	46.423 \| good	60.08 \| fine	0.926 \| good	5.516 \| good	0.262 \| good
2026-08-18T00:00:00.000Z	64 \| moderate	9.119 \| good	34.401 \| good	58.914 \| fine	0.863 \| good	5.523 \| good	0.262 \| good
2026-08-18T01:00:00.000Z	49 \| good	7.312 \| good	53.152 \| good	52.935 \| good	1.034 \| good	4.186 \| good	0.288 \| good
2026-08-18T02:00:00.000Z	49 \| good	9.066 \| good	33.954 \| good	46.997 \| good	0.735 \| good	3.948 \| good	0.275 \| good
2026-08-18T03:00:00.000Z	49 \| good	8.572 \| good	37.345 \| good	39.235 \| good	0.622 \| good	4.393 \| good	0.24 \| good
2026-08-18T04:00:00.000Z	49 \| good	8.553 \| good	35.565 \| good	32.579 \| good	0.576 \| good	5.017 \| good	0.24 \| good
2026-08-18T05:00:00.000Z	38 \| good	6.724 \| good	21.326 \| good	26.997 \| good	0.669 \| good	6.395 \| good	0.24 \| good
2026-08-18T06:00:00.000Z	49 \| good	9.117 \| good	34.042 \| good	21.927 \| good	0.572 \| good	9.285 \| good	0.315 \| good
2026-08-18T07:00:00.000Z	44 \| good	8.304 \| good	34.429 \| good	21.96 \| good	0.577 \| good	9.275 \| good	0.315 \| good
2026-08-18T08:00:00.000Z	44 \| good	8.428 \| good	30.267 \| good	19.904 \| good	0.589 \| good	11.916 \| good	0.289 \| good
2026-08-18T09:00:00.000Z	49 \| good	9.096 \| good	32.5 \| good	12.419 \| good	0.55 \| good	12.211 \| good	0.282 \| good
2026-08-18T10:00:00.000Z	44 \| good	7.923 \| good	30.656 \| good	11.233 \| good	0.513 \| good	11.566 \| good	0.305 \| good
2026-08-18T11:00:00.000Z	49 \| good	8.832 \| good	33.312 \| good	11.124 \| good	0.746 \| good	10.255 \| good	0.294 \| good
2026-08-18T12:00:00.000Z	52 \| moderate	10.145 \| good	43.577 \| good	11.812 \| good	0.517 \| good	9.239 \| good	0.315 \| good
2026-08-18T13:00:00.000Z	49 \| good	9.281 \| good	31.683 \| good	11.819 \| good	0.517 \| good	9.21 \| good	0.315 \| good
2026-08-18T14:00:00.000Z	54 \| moderate	10.841 \| good	38.079 \| good	12.509 \| good	0.679 \| good	15.798 \| good	0.644 \| good
2026-08-18T15:00:00.000Z	54 \| moderate	11.456 \| good	52.744 \| good	17.425 \| good	0.885 \| good	12.642 \| good	0.553 \| good
2026-08-18T16:00:00.000Z	56 \| moderate	11.626 \| good	51.956 \| good	21.762 \| good	0.845 \| good	10.39 \| good	0.426 \| good
2026-08-18T17:00:00.000Z	56 \| moderate	12.294 \| fine	51.267 \| good	29.341 \| good	0.857 \| good	8.573 \| good	0.397 \| good
2026-08-18T17:00:00.000Z	56 \| moderate	12.294 \| fine	51.267 \| good	29.341 \| good	0.857 \| good	8.573 \| good	0.397 \| good
2026-08-18T18:00:00.000Z	56 \| moderate	12.08 \| good	54.07 \| good	48.424 \| good	1.406 \| good	7.763 \| good	0.144 \| good
2026-08-18T19:00:00.000Z	71 \| moderate	14.808 \| fine	66.029 \| fine	61.195 \| fine	1.455 \| good	6.594 \| good	0.14 \| good
2026-08-18T20:00:00.000Z	101 \| sensitive	15.089 \| fine	67.119 \| fine	70.869 \| fine	1.516 \| good	5.589 \| good	0.136 \| good
2026-08-18T21:00:00.000Z	115 \| sensitive	13.938 \| fine	63.058 \| fine	75.464 \| moderate	1.587 \| good	4.779 \| good	0.134 \| good
2026-08-18T22:00:00.000Z	101 \| sensitive	15.633 \| fine	69.375 \| fine	71.38 \| moderate	1.645 \| good	4.174 \| good	0.133 \| good
2026-08-18T23:00:00.000Z	77 \| moderate	15.881 \| fine	70.918 \| fine	63.335 \| fine	1.677 \| good	3.784 \| good	0.132 \| good
2026-08-19T00:00:00.000Z	62 \| moderate	14.784 \| fine	65.892 \| fine	58.185 \| fine	1.688 \| good	3.796 \| good	0.132 \| good
2026-08-19T01:00:00.000Z	62 \| moderate	14.521 \| fine	65.546 \| fine	56.384 \| fine	1.669 \| good	4.496 \| good	0.134 \| good
2026-08-19T02:00:00.000Z	66 \| moderate	16.533 \| fine	73.899 \| fine	51.593 \| good	1.64 \| good	6.159 \| good	0.138 \| good
2026-08-19T03:00:00.000Z	64 \| moderate	16.162 \| fine	72.073 \| fine	41.01 \| good	1.612 \| good	8.444 \| good	0.145 \| good
2026-08-19T04:00:00.000Z	64 \| moderate	16.244 \| fine	72.291 \| fine	34.288 \| good	1.596 \| good	10.551 \| good	0.151 \| good
2026-08-19T05:00:00.000Z	62 \| moderate	14.541 \| fine	65.517 \| fine	30.599 \| good	1.575 \| good	13.43 \| good	0.161 \| good
2026-08-19T06:00:00.000Z	60 \| moderate	13.617 \| fine	61.348 \| fine	26.783 \| good	1.576 \| good	17.363 \| good	0.174 \| good
2026-08-19T07:00:00.000Z	60 \| moderate	14.485 \| fine	64.926 \| fine	25.57 \| good	1.557 \| good	20.214 \| good	0.186 \| good
2026-08-19T08:00:00.000Z	60 \| moderate	14.315 \| fine	64.196 \| fine	21.641 \| good	1.513 \| good	20.963 \| good	0.194 \| good
2026-08-19T09:00:00.000Z	60 \| moderate	14.129 \| fine	62.593 \| fine	19.412 \| good	1.459 \| good	21.839 \| good	0.199 \| good
2026-08-19T10:00:00.000Z	54 \| moderate	11.463 \| good	51.575 \| good	15.257 \| good	1.416 \| good	22.887 \| good	0.204 \| good
2026-08-19T11:00:00.000Z	52 \| moderate	9.633 \| good	42.312 \| good	15.114 \| good	1.395 \| good	24.039 \| good	0.21 \| good
2026-08-19T12:00:00.000Z	49 \| good	8.906 \| good	39.704 \| good	11.806 \| good	1.384 \| good	24.809 \| good	0.217 \| good
2026-08-19T13:00:00.000Z	44 \| good	7.673 \| good	33.941 \| good	10.352 \| good	1.404 \| good	25.268 \| good	0.229 \| good
2026-08-19T14:00:00.000Z	52 \| moderate	9.9 \| good	43.761 \| good	12.611 \| good	1.408 \| good	22.372 \| good	0.245 \| good
2026-08-19T15:00:00.000Z	58 \| moderate	13.011 \| fine	58.643 \| fine	22.791 \| good	1.434 \| good	16.535 \| good	0.213 \| good
2026-08-19T16:00:00.000Z	60 \| moderate	14.446 \| fine	64.497 \| fine	34.474 \| good	1.386 \| good	11.504 \| good	0.177 \| good
2026-08-19T17:00:00.000Z	64 \| moderate	15.509 \| fine	68.929 \| fine	47.263 \| good	1.423 \| good	9.566 \| good	0.167 \| good
2026-08-19T18:00:00.000Z	67 \| moderate	16.657 \| fine	73.532 \| fine	59.554 \| fine	1.456 \| good	8.408 \| good	0.162 \| good
2026-08-19T19:00:00.000Z	108 \| sensitive	17.048 \| fine	75.632 \| fine	73.437 \| moderate	1.477 \| good	7.46 \| good	0.16 \| good
2026-08-19T20:00:00.000Z	147 \| sensitive	15.882 \| fine	70.622 \| fine	83.632 \| moderate	1.532 \| good	6.443 \| good	0.16 \| good
2026-08-19T21:00:00.000Z	151 \| unhealthy	17.115 \| fine	76.322 \| fine	86.307 \| poor	1.616 \| good	5.542 \| good	0.161 \| good
2026-08-19T22:00:00.000Z	150 \| sensitive	17.654 \| fine	78.565 \| fine	85.012 \| moderate	1.704 \| good	4.778 \| good	0.163 \| good
2026-08-19T23:00:00.000Z	129 \| sensitive	17.564 \| fine	78.375 \| fine	79.357 \| moderate	1.794 \| good	4.328 \| good	0.164 \| good
2026-08-20T00:00:00.000Z	108 \| sensitive	18.43 \| fine	80.966 \| fine	73.258 \| moderate	1.868 \| good	4.387 \| good	0.166 \| good
2026-08-20T01:00:00.000Z	97 \| moderate	19.947 \| fine	88.343 \| fine	69.05 \| fine	1.897 \| good	5.223 \| good	0.169 \| good
2026-08-20T02:00:00.000Z	93 \| moderate	21.807 \| fine	95.803 \| fine	67.919 \| fine	1.877 \| good	7.03 \| good	0.173 \| good
2026-08-20T03:00:00.000Z	71 \| moderate	20.48 \| fine	89.983 \| fine	48.166 \| good	1.84 \| good	9.183 \| good	0.179 \| good
2026-08-20T04:00:00.000Z	71 \| moderate	20.107 \| fine	88.257 \| fine	42.015 \| good	1.794 \| good	11.732 \| good	0.185 \| good
2026-08-20T05:00:00.000Z	67 \| moderate	17.636 \| fine	78.023 \| fine	35.637 \| good	1.769 \| good	15.27 \| good	0.195 \| good
2026-08-20T06:00:00.000Z	64 \| moderate	16.239 \| fine	71.806 \| fine	28.024 \| good	1.767 \| good	19.214 \| good	0.206 \| good
2026-08-20T07:00:00.000Z	62 \| moderate	15.155 \| fine	68.225 \| fine	26.536 \| good	1.75 \| good	22.775 \| good	0.218 \| good
2026-08-20T08:00:00.000Z	60 \| moderate	14.188 \| fine	63.582 \| fine	22.656 \| good	1.686 \| good	23.736 \| good	0.225 \| good
2026-08-20T09:00:00.000Z	58 \| moderate	12.671 \| fine	57.444 \| fine	19.752 \| good	1.629 \| good	24.094 \| good	0.227 \| good
2026-08-20T10:00:00.000Z	52 \| moderate	10.177 \| good	45.052 \| good	16.196 \| good	1.584 \| good	24.663 \| good	0.23 \| good
2026-08-20T11:00:00.000Z	44 \| good	8.431 \| good	36.896 \| good	13.997 \| good	1.554 \| good	24.929 \| good	0.234 \| good
2026-08-20T12:00:00.000Z	44 \| good	8.375 \| good	36.866 \| good	10.276 \| good	1.539 \| good	24.999 \| good	0.239 \| good
2026-08-20T13:00:00.000Z	44 \| good	7.896 \| good	34.927 \| good	7.8 \| good	1.54 \| good	25.066 \| good	0.248 \| good
2026-08-20T14:00:00.000Z	52 \| moderate	9.875 \| good	44.066 \| good	10.799 \| good	1.531 \| good	22.482 \| good	0.261 \| good
2026-08-20T15:00:00.000Z	56 \| moderate	11.661 \| good	52.767 \| good	18.966 \| good	1.539 \| good	18.439 \| good	0.252 \| good
2026-08-20T16:00:00.000Z	58 \| moderate	13.463 \| fine	60.476 \| fine	30.476 \| good	1.541 \| good	12.835 \| good	0.197 \| good
2026-08-20T17:00:00.000Z	62 \| moderate	15.235 \| fine	67.22 \| fine	45.209 \| good	1.511 \| good	10.559 \| 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

0.42ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 10:00:00 on 2026-08-17.

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 05:00:00 on 2026-08-18.

What is the AQI in Pasadena, California right now?

As of now, the AQI in Pasadena, California is 56, 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 12.294 μg/m³.

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

The PM₁₀ concentration in Pasadena, California is 51.267 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 0.397 ppm.

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

Currently, Pasadena, California has a sulfur dioxide (SO₂) concentration of 0.857 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 29.341 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 8.573 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-16T18:00:00.000Z	44 \| good	7.839 \| good	25.792 \| good	33.093 \| good	0.746 \| good	4.132 \| good	0.248 \| good
2026-08-16T19:00:00.000Z	44 \| good	8.323 \| good	27.846 \| good	42.002 \| good	0.713 \| good	5.015 \| good	0.24 \| good
2026-08-16T20:00:00.000Z	44 \| good	8.181 \| good	24.743 \| good	47.75 \| good	0.598 \| good	4.348 \| good	0.226 \| good
2026-08-16T21:00:00.000Z	52 \| moderate	10.187 \| good	36.236 \| good	49.719 \| good	0.648 \| good	3.639 \| good	0.24 \| good
2026-08-16T22:00:00.000Z	52 \| moderate	10.442 \| good	45.739 \| good	50.718 \| good	0.713 \| good	3.492 \| good	0.226 \| good
2026-08-16T23:00:00.000Z	49 \| good	9.064 \| good	24.227 \| good	48.677 \| good	0.911 \| good	2.888 \| good	0.226 \| good
2026-08-17T00:00:00.000Z	46 \| good	7.086 \| good	20.067 \| good	49.603 \| good	0.882 \| good	2.647 \| good	0.24 \| good
2026-08-17T01:00:00.000Z	44 \| good	7.2 \| good	22.361 \| good	47.345 \| good	0.713 \| good	3.022 \| good	0.24 \| good
2026-08-17T02:00:00.000Z	40 \| good	6.544 \| good	18.163 \| good	43.407 \| good	0.653 \| good	3.781 \| good	0.24 \| good
2026-08-17T03:00:00.000Z	49 \| good	8.726 \| good	38.357 \| good	33.187 \| good	0.912 \| good	6.67 \| good	0.126 \| good
2026-08-17T04:00:00.000Z	49 \| good	9.103 \| good	29.193 \| good	35.351 \| good	0.481 \| good	4.888 \| good	0.275 \| good
2026-08-17T05:00:00.000Z	44 \| good	8.143 \| good	37 \| good	28.723 \| good	0.627 \| good	8.096 \| good	0.324 \| good
2026-08-17T06:00:00.000Z	49 \| good	9.067 \| good	31.337 \| good	23.855 \| good	0.46 \| good	10.432 \| good	0.329 \| good
2026-08-17T07:00:00.000Z	44 \| good	7.98 \| good	39.256 \| good	23.855 \| good	0.458 \| good	10.432 \| good	0.329 \| good
2026-08-17T08:00:00.000Z	38 \| good	7.109 \| good	26.888 \| good	18.49 \| good	0.548 \| good	15.086 \| good	0.26 \| good
2026-08-17T09:00:00.000Z	44 \| good	7.69 \| good	30.097 \| good	11.846 \| good	0.494 \| good	11.342 \| good	0.213 \| good
2026-08-17T10:00:00.000Z	49 \| good	9.25 \| good	31.441 \| good	10.952 \| good	0.451 \| good	9.935 \| good	0.213 \| good
2026-08-17T11:00:00.000Z	44 \| good	8.052 \| good	31.984 \| good	9.613 \| good	0.661 \| good	8.998 \| good	0.213 \| good
2026-08-17T12:00:00.000Z	38 \| good	7.413 \| good	22.516 \| good	12.277 \| good	0.409 \| good	8.678 \| good	0.251 \| good
2026-08-17T13:00:00.000Z	38 \| good	7.176 \| good	20.952 \| good	12.178 \| good	0.409 \| good	8.699 \| good	0.251 \| good
2026-08-17T14:00:00.000Z	44 \| good	8.382 \| good	27.986 \| good	11.713 \| good	0.462 \| good	12.95 \| good	0.426 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.986 \| good	44.148 \| good	16.325 \| good	0.666 \| good	13.791 \| good	0.48 \| good
2026-08-17T16:00:00.000Z	54 \| moderate	11.032 \| good	45.06 \| good	21.393 \| good	0.854 \| good	10.868 \| good	0.422 \| good
2026-08-17T17:00:00.000Z	54 \| moderate	11.148 \| good	53.702 \| good	29.158 \| good	0.928 \| good	7.453 \| good	0.438 \| good
2026-08-17T18:00:00.000Z	58 \| moderate	12.528 \| fine	51.532 \| good	35.713 \| good	0.927 \| good	6.66 \| good	0.333 \| good
2026-08-17T19:00:00.000Z	58 \| moderate	13.257 \| fine	53.846 \| good	41.876 \| good	1.054 \| good	10.366 \| good	0.311 \| good
2026-08-17T20:00:00.000Z	56 \| moderate	12.338 \| fine	52.298 \| good	51.65 \| good	1.083 \| good	9.929 \| good	0.311 \| good
2026-08-17T21:00:00.000Z	64 \| moderate	13.551 \| fine	57.688 \| fine	59.422 \| fine	0.917 \| good	9.153 \| good	0.289 \| good
2026-08-17T22:00:00.000Z	71 \| moderate	12.04 \| good	58.305 \| fine	61.126 \| fine	0.878 \| good	8.285 \| good	0.248 \| good
2026-08-17T23:00:00.000Z	67 \| moderate	9.583 \| good	46.423 \| good	60.08 \| fine	0.926 \| good	5.516 \| good	0.262 \| good
2026-08-18T00:00:00.000Z	64 \| moderate	9.119 \| good	34.401 \| good	58.914 \| fine	0.863 \| good	5.523 \| good	0.262 \| good
2026-08-18T01:00:00.000Z	49 \| good	7.312 \| good	53.152 \| good	52.935 \| good	1.034 \| good	4.186 \| good	0.288 \| good
2026-08-18T02:00:00.000Z	49 \| good	9.066 \| good	33.954 \| good	46.997 \| good	0.735 \| good	3.948 \| good	0.275 \| good
2026-08-18T03:00:00.000Z	49 \| good	8.572 \| good	37.345 \| good	39.235 \| good	0.622 \| good	4.393 \| good	0.24 \| good
2026-08-18T04:00:00.000Z	49 \| good	8.553 \| good	35.565 \| good	32.579 \| good	0.576 \| good	5.017 \| good	0.24 \| good
2026-08-18T05:00:00.000Z	38 \| good	6.724 \| good	21.326 \| good	26.997 \| good	0.669 \| good	6.395 \| good	0.24 \| good
2026-08-18T06:00:00.000Z	49 \| good	9.117 \| good	34.042 \| good	21.927 \| good	0.572 \| good	9.285 \| good	0.315 \| good
2026-08-18T07:00:00.000Z	44 \| good	8.304 \| good	34.429 \| good	21.96 \| good	0.577 \| good	9.275 \| good	0.315 \| good
2026-08-18T08:00:00.000Z	44 \| good	8.428 \| good	30.267 \| good	19.904 \| good	0.589 \| good	11.916 \| good	0.289 \| good
2026-08-18T09:00:00.000Z	49 \| good	9.096 \| good	32.5 \| good	12.419 \| good	0.55 \| good	12.211 \| good	0.282 \| good
2026-08-18T10:00:00.000Z	44 \| good	7.923 \| good	30.656 \| good	11.233 \| good	0.513 \| good	11.566 \| good	0.305 \| good
2026-08-18T11:00:00.000Z	49 \| good	8.832 \| good	33.312 \| good	11.124 \| good	0.746 \| good	10.255 \| good	0.294 \| good
2026-08-18T12:00:00.000Z	52 \| moderate	10.145 \| good	43.577 \| good	11.812 \| good	0.517 \| good	9.239 \| good	0.315 \| good
2026-08-18T13:00:00.000Z	49 \| good	9.281 \| good	31.683 \| good	11.819 \| good	0.517 \| good	9.21 \| good	0.315 \| good
2026-08-18T14:00:00.000Z	54 \| moderate	10.841 \| good	38.079 \| good	12.509 \| good	0.679 \| good	15.798 \| good	0.644 \| good
2026-08-18T15:00:00.000Z	54 \| moderate	11.456 \| good	52.744 \| good	17.425 \| good	0.885 \| good	12.642 \| good	0.553 \| good
2026-08-18T16:00:00.000Z	56 \| moderate	11.626 \| good	51.956 \| good	21.762 \| good	0.845 \| good	10.39 \| good	0.426 \| good
2026-08-18T17:00:00.000Z	56 \| moderate	12.294 \| fine	51.267 \| good	29.341 \| good	0.857 \| good	8.573 \| good	0.397 \| good
2026-08-18T17:00:00.000Z	56 \| moderate	12.294 \| fine	51.267 \| good	29.341 \| good	0.857 \| good	8.573 \| good	0.397 \| good
2026-08-18T18:00:00.000Z	56 \| moderate	12.08 \| good	54.07 \| good	48.424 \| good	1.406 \| good	7.763 \| good	0.144 \| good
2026-08-18T19:00:00.000Z	71 \| moderate	14.808 \| fine	66.029 \| fine	61.195 \| fine	1.455 \| good	6.594 \| good	0.14 \| good
2026-08-18T20:00:00.000Z	101 \| sensitive	15.089 \| fine	67.119 \| fine	70.869 \| fine	1.516 \| good	5.589 \| good	0.136 \| good
2026-08-18T21:00:00.000Z	115 \| sensitive	13.938 \| fine	63.058 \| fine	75.464 \| moderate	1.587 \| good	4.779 \| good	0.134 \| good
2026-08-18T22:00:00.000Z	101 \| sensitive	15.633 \| fine	69.375 \| fine	71.38 \| moderate	1.645 \| good	4.174 \| good	0.133 \| good
2026-08-18T23:00:00.000Z	77 \| moderate	15.881 \| fine	70.918 \| fine	63.335 \| fine	1.677 \| good	3.784 \| good	0.132 \| good
2026-08-19T00:00:00.000Z	62 \| moderate	14.784 \| fine	65.892 \| fine	58.185 \| fine	1.688 \| good	3.796 \| good	0.132 \| good
2026-08-19T01:00:00.000Z	62 \| moderate	14.521 \| fine	65.546 \| fine	56.384 \| fine	1.669 \| good	4.496 \| good	0.134 \| good
2026-08-19T02:00:00.000Z	66 \| moderate	16.533 \| fine	73.899 \| fine	51.593 \| good	1.64 \| good	6.159 \| good	0.138 \| good
2026-08-19T03:00:00.000Z	64 \| moderate	16.162 \| fine	72.073 \| fine	41.01 \| good	1.612 \| good	8.444 \| good	0.145 \| good
2026-08-19T04:00:00.000Z	64 \| moderate	16.244 \| fine	72.291 \| fine	34.288 \| good	1.596 \| good	10.551 \| good	0.151 \| good
2026-08-19T05:00:00.000Z	62 \| moderate	14.541 \| fine	65.517 \| fine	30.599 \| good	1.575 \| good	13.43 \| good	0.161 \| good
2026-08-19T06:00:00.000Z	60 \| moderate	13.617 \| fine	61.348 \| fine	26.783 \| good	1.576 \| good	17.363 \| good	0.174 \| good
2026-08-19T07:00:00.000Z	60 \| moderate	14.485 \| fine	64.926 \| fine	25.57 \| good	1.557 \| good	20.214 \| good	0.186 \| good
2026-08-19T08:00:00.000Z	60 \| moderate	14.315 \| fine	64.196 \| fine	21.641 \| good	1.513 \| good	20.963 \| good	0.194 \| good
2026-08-19T09:00:00.000Z	60 \| moderate	14.129 \| fine	62.593 \| fine	19.412 \| good	1.459 \| good	21.839 \| good	0.199 \| good
2026-08-19T10:00:00.000Z	54 \| moderate	11.463 \| good	51.575 \| good	15.257 \| good	1.416 \| good	22.887 \| good	0.204 \| good
2026-08-19T11:00:00.000Z	52 \| moderate	9.633 \| good	42.312 \| good	15.114 \| good	1.395 \| good	24.039 \| good	0.21 \| good
2026-08-19T12:00:00.000Z	49 \| good	8.906 \| good	39.704 \| good	11.806 \| good	1.384 \| good	24.809 \| good	0.217 \| good
2026-08-19T13:00:00.000Z	44 \| good	7.673 \| good	33.941 \| good	10.352 \| good	1.404 \| good	25.268 \| good	0.229 \| good
2026-08-19T14:00:00.000Z	52 \| moderate	9.9 \| good	43.761 \| good	12.611 \| good	1.408 \| good	22.372 \| good	0.245 \| good
2026-08-19T15:00:00.000Z	58 \| moderate	13.011 \| fine	58.643 \| fine	22.791 \| good	1.434 \| good	16.535 \| good	0.213 \| good
2026-08-19T16:00:00.000Z	60 \| moderate	14.446 \| fine	64.497 \| fine	34.474 \| good	1.386 \| good	11.504 \| good	0.177 \| good
2026-08-19T17:00:00.000Z	64 \| moderate	15.509 \| fine	68.929 \| fine	47.263 \| good	1.423 \| good	9.566 \| good	0.167 \| good
2026-08-19T18:00:00.000Z	67 \| moderate	16.657 \| fine	73.532 \| fine	59.554 \| fine	1.456 \| good	8.408 \| good	0.162 \| good
2026-08-19T19:00:00.000Z	108 \| sensitive	17.048 \| fine	75.632 \| fine	73.437 \| moderate	1.477 \| good	7.46 \| good	0.16 \| good
2026-08-19T20:00:00.000Z	147 \| sensitive	15.882 \| fine	70.622 \| fine	83.632 \| moderate	1.532 \| good	6.443 \| good	0.16 \| good
2026-08-19T21:00:00.000Z	151 \| unhealthy	17.115 \| fine	76.322 \| fine	86.307 \| poor	1.616 \| good	5.542 \| good	0.161 \| good
2026-08-19T22:00:00.000Z	150 \| sensitive	17.654 \| fine	78.565 \| fine	85.012 \| moderate	1.704 \| good	4.778 \| good	0.163 \| good
2026-08-19T23:00:00.000Z	129 \| sensitive	17.564 \| fine	78.375 \| fine	79.357 \| moderate	1.794 \| good	4.328 \| good	0.164 \| good
2026-08-20T00:00:00.000Z	108 \| sensitive	18.43 \| fine	80.966 \| fine	73.258 \| moderate	1.868 \| good	4.387 \| good	0.166 \| good
2026-08-20T01:00:00.000Z	97 \| moderate	19.947 \| fine	88.343 \| fine	69.05 \| fine	1.897 \| good	5.223 \| good	0.169 \| good
2026-08-20T02:00:00.000Z	93 \| moderate	21.807 \| fine	95.803 \| fine	67.919 \| fine	1.877 \| good	7.03 \| good	0.173 \| good
2026-08-20T03:00:00.000Z	71 \| moderate	20.48 \| fine	89.983 \| fine	48.166 \| good	1.84 \| good	9.183 \| good	0.179 \| good
2026-08-20T04:00:00.000Z	71 \| moderate	20.107 \| fine	88.257 \| fine	42.015 \| good	1.794 \| good	11.732 \| good	0.185 \| good
2026-08-20T05:00:00.000Z	67 \| moderate	17.636 \| fine	78.023 \| fine	35.637 \| good	1.769 \| good	15.27 \| good	0.195 \| good
2026-08-20T06:00:00.000Z	64 \| moderate	16.239 \| fine	71.806 \| fine	28.024 \| good	1.767 \| good	19.214 \| good	0.206 \| good
2026-08-20T07:00:00.000Z	62 \| moderate	15.155 \| fine	68.225 \| fine	26.536 \| good	1.75 \| good	22.775 \| good	0.218 \| good
2026-08-20T08:00:00.000Z	60 \| moderate	14.188 \| fine	63.582 \| fine	22.656 \| good	1.686 \| good	23.736 \| good	0.225 \| good
2026-08-20T09:00:00.000Z	58 \| moderate	12.671 \| fine	57.444 \| fine	19.752 \| good	1.629 \| good	24.094 \| good	0.227 \| good
2026-08-20T10:00:00.000Z	52 \| moderate	10.177 \| good	45.052 \| good	16.196 \| good	1.584 \| good	24.663 \| good	0.23 \| good
2026-08-20T11:00:00.000Z	44 \| good	8.431 \| good	36.896 \| good	13.997 \| good	1.554 \| good	24.929 \| good	0.234 \| good
2026-08-20T12:00:00.000Z	44 \| good	8.375 \| good	36.866 \| good	10.276 \| good	1.539 \| good	24.999 \| good	0.239 \| good
2026-08-20T13:00:00.000Z	44 \| good	7.896 \| good	34.927 \| good	7.8 \| good	1.54 \| good	25.066 \| good	0.248 \| good
2026-08-20T14:00:00.000Z	52 \| moderate	9.875 \| good	44.066 \| good	10.799 \| good	1.531 \| good	22.482 \| good	0.261 \| good
2026-08-20T15:00:00.000Z	56 \| moderate	11.661 \| good	52.767 \| good	18.966 \| good	1.539 \| good	18.439 \| good	0.252 \| good
2026-08-20T16:00:00.000Z	58 \| moderate	13.463 \| fine	60.476 \| fine	30.476 \| good	1.541 \| good	12.835 \| good	0.197 \| good
2026-08-20T17:00:00.000Z	62 \| moderate	15.235 \| fine	67.22 \| fine	45.209 \| good	1.511 \| good	10.559 \| 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)

Track live Pasadena, California air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Pasadena, California?

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

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

What is the AQI in Pasadena, California right now?

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

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

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?