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

The PM10 concentration in Downey, California is 20.416 μg/m3 at the moment.

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

Currently, Downey, California has a sulfur dioxide (SO2) concentration of 0.514 ppb.

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

The current ozone (O3) level in Downey, California at the moment is 33.872 ppm.

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

Nitrogen dioxide (NO2) level in Downey, California at the moment is 11.176 ppb.

Live air quality index in Downey, California today

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

PM2.5 levels in Downey, California are currently 4.584 μg/m3.

Stay updated with real-time air quality in Downey, 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

Downey, California

Last updated: ... (Local time)

Major air pollutants in Downey, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.42 μg/m³

155

255

425

605+

Ozone (O₃)

33.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.18 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Downey, California

Scroll To Air Quality Map

Track live Downey, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T07:00:00.000Z	38 \| good	6.575 \| good	26.216 \| good	19.153 \| good	0.263 \| good	32.493 \| good	0.812 \| good
2026-03-08T08:00:00.000Z	38 \| good	7.408 \| good	28.674 \| good	15.46 \| good	0.289 \| good	32.38 \| good	0.71 \| good
2026-03-08T09:00:00.000Z	44 \| good	7.628 \| good	30.876 \| good	10.918 \| good	0.231 \| good	29.005 \| good	0.683 \| good
2026-03-08T10:00:00.000Z	44 \| good	7.67 \| good	31.913 \| good	10.74 \| good	0.233 \| good	29.005 \| good	0.683 \| good
2026-03-08T11:00:00.000Z	44 \| good	8.459 \| good	34.525 \| good	10.196 \| good	0.233 \| good	29.005 \| good	0.683 \| good
2026-03-08T12:00:00.000Z	44 \| good	8.299 \| good	35.402 \| good	9.97 \| good	0.3 \| good	6.897 \| good	0.29 \| good
2026-03-08T13:00:00.000Z	38 \| good	7.094 \| good	32.661 \| good	9.97 \| good	0.507 \| good	5.08 \| good	0.29 \| good
2026-03-08T14:00:00.000Z	52 \| moderate	9.78 \| good	39.782 \| good	10.191 \| good	0.41 \| good	27.367 \| good	1.116 \| good
2026-03-08T15:00:00.000Z	52 \| moderate	9.504 \| good	38.779 \| good	10.635 \| good	0.602 \| good	28.368 \| good	1.058 \| good
2026-03-08T16:00:00.000Z	44 \| good	8.063 \| good	34.128 \| good	11.551 \| good	0.578 \| good	28.996 \| good	1.216 \| good
2026-03-08T17:00:00.000Z	44 \| good	8.001 \| good	34.393 \| good	12.998 \| good	0.504 \| good	29.784 \| good	0.8 \| good
2026-03-08T18:00:00.000Z	44 \| good	8.038 \| good	34.465 \| good	20.618 \| good	0.421 \| good	27.882 \| good	0.621 \| good
2026-03-08T19:00:00.000Z	44 \| good	7.619 \| good	36.018 \| good	30.416 \| good	0.289 \| good	14.343 \| good	0.366 \| good
2026-03-08T20:00:00.000Z	33 \| good	4.705 \| good	20.509 \| good	36.16 \| good	0.234 \| good	6.312 \| good	0.201 \| good
2026-03-08T21:00:00.000Z	38 \| good	1.837 \| good	8.063 \| good	40.737 \| good	0.28 \| good	3.401 \| good	0.118 \| good
2026-03-08T22:00:00.000Z	43 \| good	1.588 \| good	6.932 \| good	46.411 \| good	0.678 \| good	3.056 \| good	0.118 \| good
2026-03-08T23:00:00.000Z	46 \| good	2.469 \| good	11.329 \| good	49.568 \| good	0.305 \| good	1.901 \| good	0.108 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.642 \| good	12.135 \| good	48.564 \| good	0.211 \| good	2.168 \| good	0.111 \| good
2026-03-09T01:00:00.000Z	43 \| good	2.058 \| good	9.116 \| good	46.331 \| good	0.259 \| good	2.619 \| good	0.108 \| good
2026-03-09T02:00:00.000Z	40 \| good	3.992 \| good	19.775 \| good	42.645 \| good	0.323 \| good	5.58 \| good	0.177 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	10.226 \| good	45.173 \| good	27.821 \| good	1.982 \| good	35.307 \| good	0.319 \| good
2026-03-09T04:00:00.000Z	44 \| good	8.428 \| good	36.375 \| good	22.325 \| good	0.405 \| good	31.891 \| good	0.751 \| good
2026-03-09T05:00:00.000Z	44 \| good	8.02 \| good	33.724 \| good	26.781 \| good	0.49 \| good	17.827 \| good	0.422 \| good
2026-03-09T06:00:00.000Z	33 \| good	6.193 \| good	25.881 \| good	31.817 \| good	0.294 \| good	8.071 \| good	0.239 \| good
2026-03-09T07:00:00.000Z	33 \| good	6.187 \| good	25.888 \| good	31.762 \| good	0.309 \| good	8.071 \| good	0.239 \| good
2026-03-09T08:00:00.000Z	30 \| good	5.35 \| good	23.423 \| good	31.517 \| good	0.482 \| good	4.846 \| good	0.145 \| good
2026-03-09T09:00:00.000Z	31 \| good	4.864 \| good	21.561 \| good	33.709 \| good	0.369 \| good	3.444 \| good	0.111 \| good
2026-03-09T10:00:00.000Z	32 \| good	4.805 \| good	22.539 \| good	34.692 \| good	0.401 \| good	3.707 \| good	0.111 \| good
2026-03-09T11:00:00.000Z	28 \| good	4.45 \| good	18.96 \| good	29.839 \| good	0.544 \| good	7.465 \| good	0.204 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.076 \| good	20.3 \| good	24.779 \| good	0.399 \| good	11.427 \| good	0.211 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.12 \| good	20.94 \| good	24.199 \| good	0.405 \| good	11.427 \| good	0.211 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.077 \| good	29.719 \| good	10.945 \| good	0.511 \| good	30.766 \| good	0.733 \| good
2026-03-09T15:00:00.000Z	44 \| good	8.022 \| good	35.917 \| good	10.252 \| good	0.574 \| good	32.422 \| good	0.766 \| good
2026-03-09T16:00:00.000Z	44 \| good	7.784 \| good	33.104 \| good	17.348 \| good	0.606 \| good	26.322 \| good	0.531 \| good
2026-03-09T17:00:00.000Z	44 \| good	7.603 \| good	31.811 \| good	26.226 \| good	0.622 \| good	11.585 \| good	0.24 \| good
2026-03-09T18:00:00.000Z	33 \| good	6.326 \| good	26.951 \| good	32.587 \| good	0.477 \| good	5.353 \| good	0.145 \| good
2026-03-09T19:00:00.000Z	34 \| good	5.165 \| good	21.394 \| good	37.25 \| good	0.447 \| good	3.468 \| good	0.138 \| good
2026-03-09T20:00:00.000Z	35 \| good	4.734 \| good	19.59 \| good	38.017 \| good	0.425 \| good	4.204 \| good	0.138 \| good
2026-03-09T21:00:00.000Z	38 \| good	5.351 \| good	22.22 \| good	40.591 \| good	0.469 \| good	6.204 \| good	0.142 \| good
2026-03-09T22:00:00.000Z	39 \| good	5.255 \| good	21.675 \| good	42.101 \| good	0.36 \| good	6.64 \| good	0.141 \| good
2026-03-09T23:00:00.000Z	38 \| good	4.789 \| good	20.82 \| good	40.84 \| good	0.39 \| good	6.111 \| good	0.21 \| good
2026-03-10T00:00:00.000Z	38 \| good	5.903 \| good	25.856 \| good	40.544 \| good	0.4 \| good	6.312 \| good	0.144 \| good
2026-03-10T01:00:00.000Z	39 \| good	5.952 \| good	25.6 \| good	41.731 \| good	0.307 \| good	5.165 \| good	0.12 \| good
2026-03-10T02:00:00.000Z	39 \| good	5.865 \| good	25.757 \| good	41.532 \| good	0.317 \| good	6.586 \| good	0.124 \| good
2026-03-10T03:00:00.000Z	31 \| good	0.534 \| good	2.05 \| good	34.445 \| good	2.782 \| good	14.774 \| good	0.17 \| good
2026-03-10T04:00:00.000Z	34 \| good	4.807 \| good	18.916 \| good	36.656 \| good	0.306 \| good	6.96 \| good	0.124 \| good
2026-03-10T05:00:00.000Z	31 \| good	5.323 \| good	21.655 \| good	32.855 \| good	0.42 \| good	10.394 \| good	0.221 \| good
2026-03-10T06:00:00.000Z	33 \| good	5.684 \| good	22.781 \| good	28.302 \| good	0.418 \| good	9.74 \| good	0.221 \| good
2026-03-10T06:00:00.000Z	31 \| good	4.584 \| good	20.416 \| good	33.872 \| good	0.514 \| good	11.176 \| good	0.251 \| good
2026-03-10T07:00:00.000Z	38 \| good	6.951 \| good	30.898 \| good	9.881 \| good	4.14 \| good	31.492 \| good	0.228 \| good
2026-03-10T08:00:00.000Z	44 \| good	7.839 \| good	34.787 \| good	9.924 \| good	4.264 \| good	33.559 \| good	0.236 \| good
2026-03-10T09:00:00.000Z	49 \| good	8.691 \| good	38.249 \| good	11.525 \| good	4.389 \| good	35.626 \| good	0.243 \| good
2026-03-10T10:00:00.000Z	44 \| good	7.605 \| good	33.124 \| good	11.204 \| good	4.126 \| good	34.603 \| good	0.245 \| good
2026-03-10T11:00:00.000Z	33 \| good	5.6 \| good	25.276 \| good	12.189 \| good	3.863 \| good	33.579 \| good	0.247 \| good
2026-03-10T12:00:00.000Z	38 \| good	7.199 \| good	31.413 \| good	6.238 \| good	3.601 \| good	32.555 \| good	0.249 \| good
2026-03-10T13:00:00.000Z	52 \| moderate	10.424 \| good	46.024 \| good	5.295 \| good	3.631 \| good	31.279 \| good	0.269 \| good
2026-03-10T14:00:00.000Z	64 \| moderate	15.712 \| fine	69.838 \| fine	5.364 \| good	3.662 \| good	30.003 \| good	0.289 \| good
2026-03-10T15:00:00.000Z	60 \| moderate	14.049 \| fine	63.238 \| fine	10.546 \| good	3.692 \| good	28.728 \| good	0.309 \| good
2026-03-10T16:00:00.000Z	54 \| moderate	11.322 \| good	50.179 \| good	20.994 \| good	4.572 \| good	24.169 \| good	0.27 \| good
2026-03-10T17:00:00.000Z	49 \| good	8.869 \| good	39.594 \| good	27.879 \| good	5.453 \| good	19.61 \| good	0.23 \| good
2026-03-10T18:00:00.000Z	44 \| good	7.595 \| good	33.503 \| good	33.688 \| good	6.333 \| good	15.05 \| good	0.19 \| good
2026-03-10T19:00:00.000Z	35 \| good	6.147 \| good	27.173 \| good	37.992 \| good	5.916 \| good	13.424 \| good	0.182 \| good
2026-03-10T20:00:00.000Z	40 \| good	6.809 \| good	29.748 \| good	42.656 \| good	5.498 \| good	11.798 \| good	0.174 \| good
2026-03-10T21:00:00.000Z	43 \| good	5.321 \| good	22.991 \| good	45.935 \| good	5.081 \| good	10.172 \| good	0.166 \| good
2026-03-10T22:00:00.000Z	44 \| good	4.915 \| good	21.045 \| good	47.647 \| good	4.774 \| good	9.813 \| good	0.163 \| good
2026-03-10T23:00:00.000Z	43 \| good	5.315 \| good	22.839 \| good	46.069 \| good	4.467 \| good	9.454 \| good	0.16 \| good
2026-03-11T00:00:00.000Z	39 \| good	6.229 \| good	27.75 \| good	42.107 \| good	4.16 \| good	9.095 \| good	0.157 \| good
2026-03-11T01:00:00.000Z	34 \| good	4.72 \| good	20.476 \| good	36.574 \| good	4.086 \| good	12.301 \| good	0.167 \| good
2026-03-11T02:00:00.000Z	31 \| good	4.515 \| good	19.855 \| good	32.798 \| good	4.011 \| good	15.506 \| good	0.177 \| good
2026-03-11T03:00:00.000Z	31 \| good	4.028 \| good	17.873 \| good	34.433 \| good	3.937 \| good	18.712 \| good	0.188 \| good
2026-03-11T04:00:00.000Z	29 \| good	4.636 \| good	20.17 \| good	31.098 \| good	4.237 \| good	22.185 \| good	0.199 \| good
2026-03-11T05:00:00.000Z	27 \| good	4.856 \| good	21.189 \| good	26.829 \| good	4.537 \| good	25.658 \| good	0.209 \| good
2026-03-11T06:00:00.000Z	33 \| good	6.265 \| good	27.659 \| good	18.295 \| good	4.838 \| good	29.131 \| good	0.22 \| good
2026-03-11T07:00:00.000Z	49 \| good	9.494 \| good	42.207 \| good	13.311 \| good	4.626 \| good	30.866 \| good	0.23 \| good
2026-03-11T08:00:00.000Z	60 \| moderate	14.231 \| fine	63.828 \| fine	11.795 \| good	4.414 \| good	32.601 \| good	0.24 \| good
2026-03-11T09:00:00.000Z	64 \| moderate	15.938 \| fine	70.688 \| fine	9.612 \| good	4.201 \| good	34.337 \| good	0.25 \| good
2026-03-11T10:00:00.000Z	64 \| moderate	15.832 \| fine	70.262 \| fine	4.98 \| good	4.121 \| good	33.506 \| good	0.248 \| good
2026-03-11T11:00:00.000Z	62 \| moderate	14.732 \| fine	65.812 \| fine	5.289 \| good	4.04 \| good	32.674 \| good	0.246 \| good
2026-03-11T12:00:00.000Z	58 \| moderate	13.151 \| fine	59.509 \| fine	4.668 \| good	3.959 \| good	31.843 \| good	0.244 \| good
2026-03-11T13:00:00.000Z	58 \| moderate	12.875 \| fine	57.843 \| fine	4.348 \| good	4.052 \| good	29.976 \| good	0.255 \| good
2026-03-11T14:00:00.000Z	77 \| moderate	22.936 \| fine	100.286 \| fine	4.766 \| good	4.145 \| good	28.11 \| good	0.266 \| good
2026-03-11T15:00:00.000Z	69 \| moderate	19.187 \| fine	84.512 \| fine	8.156 \| good	4.238 \| good	26.243 \| good	0.277 \| good
2026-03-11T16:00:00.000Z	75 \| moderate	22.147 \| fine	96.805 \| fine	14.06 \| good	4.536 \| good	22.426 \| good	0.257 \| good
2026-03-11T17:00:00.000Z	73 \| moderate	20.9 \| fine	91.403 \| fine	22.434 \| good	4.834 \| good	18.609 \| good	0.236 \| good
2026-03-11T18:00:00.000Z	67 \| moderate	18.404 \| fine	80.79 \| fine	33.205 \| good	5.132 \| good	14.792 \| good	0.216 \| good
2026-03-11T19:00:00.000Z	66 \| moderate	16.803 \| fine	74.407 \| fine	42.168 \| good	5.146 \| good	13.88 \| good	0.21 \| good
2026-03-11T20:00:00.000Z	67 \| moderate	18.289 \| fine	80.649 \| fine	50.12 \| good	5.16 \| good	12.968 \| good	0.204 \| good
2026-03-11T21:00:00.000Z	67 \| moderate	18.201 \| fine	80.271 \| fine	54.12 \| good	5.174 \| good	12.056 \| good	0.198 \| good
2026-03-11T22:00:00.000Z	62 \| moderate	15.27 \| fine	67.747 \| fine	57.116 \| fine	4.977 \| good	11.781 \| good	0.194 \| good
2026-03-11T23:00:00.000Z	62 \| moderate	15.112 \| fine	67.883 \| fine	57.323 \| fine	4.78 \| good	11.507 \| good	0.19 \| good
2026-03-12T00:00:00.000Z	60 \| moderate	14.047 \| fine	63.504 \| fine	53.4 \| good	4.583 \| good	11.233 \| good	0.186 \| good
2026-03-12T01:00:00.000Z	49 \| good	8.829 \| good	38.658 \| good	50.84 \| good	4.487 \| good	17.513 \| good	0.211 \| good
2026-03-12T02:00:00.000Z	52 \| moderate	9.524 \| good	41.961 \| good	40.528 \| good	4.391 \| good	23.793 \| good	0.235 \| good
2026-03-12T03:00:00.000Z	60 \| moderate	13.678 \| fine	60.758 \| fine	29.252 \| good	4.295 \| good	30.073 \| good	0.259 \| good
2026-03-12T04:00:00.000Z	71 \| moderate	19.567 \| fine	86.121 \| fine	16.081 \| good	4.44 \| good	33.174 \| good	0.295 \| good
2026-03-12T05:00:00.000Z	77 \| moderate	22.947 \| fine	100.152 \| fine	9.744 \| good	4.585 \| good	36.275 \| good	0.331 \| good
2026-03-12T06:00:00.000Z	90 \| moderate	30.498 \| fine	34.121 \| good	10.215 \| good	4.632 \| good	38.536 \| good	0.361 \| good

Downey

Get reliable air quality data to drive your business

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

0.31ppm

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 Downey, California?

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

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

In the past 24 hours, the air quality in Downey, California was at its worst at 05:00:00 on 2026-03-09.

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

In the last 24 hours, the best air quality in Downey, California was observed at 01:00:00 on 2026-03-09.

What is the AQI in Downey, California right now?

As of now, the AQI in Downey, California is 31, indicating Good conditions.

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

Downey, California air has the highest levels of O3.

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

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

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

PM_2.5 levels in Downey, California are currently 4.584 μg/m³.

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

The PM₁₀ concentration in Downey, California is 20.416 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Downey, California is 0.251 ppm.

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

Currently, Downey, California has a sulfur dioxide (SO₂) concentration of 0.514 ppb.

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

The current ozone (O₃) level in Downey, California at the moment is 33.872 ppm.

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

Nitrogen dioxide (NO₂) level in Downey, California at the moment is 11.176 ppb.

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