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

The PM10 concentration in Downey, California is 31.015 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 0.391 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 23.429 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 5.708 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 7.003 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)

7.00 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.02 μg/m³

155

255

425

605+

Ozone (O₃)

23.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Downey, California

Get Live Pollen Counts

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
2026-08-14T11:00:00.000Z	16 \| good	3.41 \| good	15.201 \| good	17.181 \| good	0.611 \| good	5.992 \| good	0.135 \| good
2026-08-14T12:00:00.000Z	16 \| good	3.097 \| good	13.2 \| good	16.937 \| good	0.362 \| good	6.619 \| good	0.135 \| good
2026-08-14T13:00:00.000Z	16 \| good	3.16 \| good	13.19 \| good	16.626 \| good	0.362 \| good	6.468 \| good	0.135 \| good
2026-08-14T14:00:00.000Z	27 \| good	5.3 \| good	23.474 \| good	18.5 \| good	0.292 \| good	6.796 \| good	0.183 \| good
2026-08-14T15:00:00.000Z	22 \| good	4.008 \| good	18.029 \| good	21.146 \| good	0.363 \| good	5.764 \| good	0.201 \| good
2026-08-14T16:00:00.000Z	22 \| good	4.34 \| good	19.268 \| good	22.835 \| good	0.316 \| good	5.426 \| good	0.243 \| good
2026-08-14T17:00:00.000Z	22 \| good	3.718 \| good	16.011 \| good	24.415 \| good	0.356 \| good	4.897 \| good	0.23 \| good
2026-08-14T18:00:00.000Z	24 \| good	3.932 \| good	17.016 \| good	26.097 \| good	0.408 \| good	5.363 \| good	0.188 \| good
2026-08-14T19:00:00.000Z	27 \| good	4.058 \| good	18.376 \| good	29.393 \| good	0.453 \| good	5.469 \| good	0.178 \| good
2026-08-14T20:00:00.000Z	29 \| good	4.277 \| good	19.502 \| good	31.362 \| good	0.334 \| good	5.528 \| good	0.178 \| good
2026-08-14T21:00:00.000Z	31 \| good	5.062 \| good	21.817 \| good	33.05 \| good	0.402 \| good	4.366 \| good	0.166 \| good
2026-08-14T22:00:00.000Z	31 \| good	5.245 \| good	22.416 \| good	33.476 \| good	0.519 \| good	4.239 \| good	0.147 \| good
2026-08-14T23:00:00.000Z	31 \| good	4.028 \| good	16.87 \| good	32.798 \| good	0.425 \| good	4.503 \| good	0.142 \| good
2026-08-15T00:00:00.000Z	30 \| good	5.188 \| good	23.254 \| good	32.182 \| good	0.43 \| good	4.274 \| good	0.154 \| good
2026-08-15T01:00:00.000Z	29 \| good	4.099 \| good	19.152 \| good	30.925 \| good	0.451 \| good	4.016 \| good	0.154 \| good
2026-08-15T02:00:00.000Z	27 \| good	5.077 \| good	22.652 \| good	29.248 \| good	0.372 \| good	4.466 \| good	0.154 \| good
2026-08-15T03:00:00.000Z	25 \| good	3.702 \| good	17.227 \| good	26.73 \| good	0.331 \| good	5.205 \| good	0.16 \| good
2026-08-15T04:00:00.000Z	23 \| good	3.473 \| good	15.703 \| good	24.576 \| good	0.31 \| good	6.823 \| good	0.172 \| good
2026-08-15T05:00:00.000Z	23 \| good	4.095 \| good	17.967 \| good	24.719 \| good	0.481 \| good	6.304 \| good	0.16 \| good
2026-08-15T06:00:00.000Z	22 \| good	3.003 \| good	12.591 \| good	23.822 \| good	0.315 \| good	6.785 \| good	0.184 \| good
2026-08-15T07:00:00.000Z	22 \| good	3.041 \| good	12.4 \| good	23.857 \| good	0.302 \| good	6.777 \| good	0.184 \| good
2026-08-15T08:00:00.000Z	27 \| good	4.698 \| good	21.686 \| good	21.651 \| good	0.271 \| good	7.831 \| good	0.177 \| good
2026-08-15T09:00:00.000Z	22 \| good	4.193 \| good	17.147 \| good	20.871 \| good	0.381 \| good	6.864 \| good	0.148 \| good
2026-08-15T10:00:00.000Z	27 \| good	5.176 \| good	23.391 \| good	20.836 \| good	0.374 \| good	6.15 \| good	0.147 \| good
2026-08-15T11:00:00.000Z	33 \| good	6.107 \| good	28.189 \| good	18.983 \| good	0.507 \| good	6.238 \| good	0.141 \| good
2026-08-15T12:00:00.000Z	38 \| good	6.737 \| good	27 \| good	19.302 \| good	0.443 \| good	6.355 \| good	0.164 \| good
2026-08-15T13:00:00.000Z	38 \| good	6.785 \| good	27.275 \| good	19.411 \| good	0.439 \| good	6.303 \| good	0.164 \| good
2026-08-15T14:00:00.000Z	38 \| good	7.438 \| good	33.524 \| good	19.48 \| good	0.313 \| good	6.372 \| good	0.159 \| good
2026-08-15T15:00:00.000Z	44 \| good	7.858 \| good	33.814 \| good	19.868 \| good	0.381 \| good	6.656 \| good	0.2 \| good
2026-08-15T16:00:00.000Z	44 \| good	7.822 \| good	33.777 \| good	20.714 \| good	0.341 \| good	7.208 \| good	0.188 \| good
2026-08-15T17:00:00.000Z	44 \| good	7.66 \| good	33.377 \| good	23.404 \| good	0.365 \| good	6.849 \| good	0.23 \| good
2026-08-15T18:00:00.000Z	49 \| good	9.065 \| good	38.921 \| good	26.515 \| good	0.354 \| good	6.857 \| good	0.242 \| good
2026-08-15T19:00:00.000Z	52 \| moderate	9.651 \| good	44.158 \| good	31.068 \| good	0.363 \| good	6.962 \| good	0.188 \| good
2026-08-15T20:00:00.000Z	52 \| moderate	10.179 \| good	44.939 \| good	34.833 \| good	0.395 \| good	5.365 \| good	0.188 \| good
2026-08-15T21:00:00.000Z	52 \| moderate	10.094 \| good	44.765 \| good	36.208 \| good	0.595 \| good	5.011 \| good	0.165 \| good
2026-08-15T22:00:00.000Z	52 \| moderate	9.536 \| good	41.365 \| good	36.888 \| good	0.532 \| good	4.62 \| good	0.165 \| good
2026-08-15T23:00:00.000Z	44 \| good	8.076 \| good	34.108 \| good	36.1 \| good	0.477 \| good	4.376 \| good	0.153 \| good
2026-08-16T00:00:00.000Z	38 \| good	6.771 \| good	29.035 \| good	35.343 \| good	0.485 \| good	3.926 \| good	0.148 \| good
2026-08-16T01:00:00.000Z	33 \| good	4.465 \| good	20.611 \| good	35.526 \| good	0.503 \| good	3.471 \| good	0.148 \| good
2026-08-16T02:00:00.000Z	33 \| good	5.908 \| good	26.647 \| good	33.489 \| good	0.591 \| good	4.563 \| good	0.16 \| good
2026-08-16T03:00:00.000Z	33 \| good	6.213 \| good	26.801 \| good	30.152 \| good	0.411 \| good	6.07 \| good	0.172 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.428 \| good	28.102 \| good	30.319 \| good	0.362 \| good	6.008 \| good	0.183 \| good
2026-08-16T05:00:00.000Z	27 \| good	5.441 \| good	24.31 \| good	28.755 \| good	0.66 \| good	5.152 \| good	0.172 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.389 \| good	24.241 \| good	26.906 \| good	0.297 \| good	5.282 \| good	0.177 \| good
2026-08-16T07:00:00.000Z	27 \| good	5.412 \| good	23.414 \| good	26.644 \| good	0.296 \| good	5.336 \| good	0.177 \| good
2026-08-16T08:00:00.000Z	27 \| good	5.441 \| good	23.804 \| good	23.976 \| good	0.306 \| good	7.329 \| good	0.278 \| good
2026-08-16T09:00:00.000Z	38 \| good	7.003 \| good	31.015 \| good	23.429 \| good	0.391 \| good	5.708 \| good	0.2 \| good
2026-08-16T10:00:00.000Z	38 \| good	7.003 \| good	31.015 \| good	23.429 \| good	0.391 \| good	5.708 \| good	0.2 \| good
2026-08-16T11:00:00.000Z	38 \| good	7.475 \| good	32.831 \| good	15.996 \| good	1.198 \| good	21.132 \| good	0.165 \| good
2026-08-16T12:00:00.000Z	38 \| good	7.473 \| good	32.722 \| good	13.058 \| good	1.199 \| good	21.715 \| good	0.173 \| good
2026-08-16T13:00:00.000Z	44 \| good	8.304 \| good	36.55 \| good	13.87 \| good	1.211 \| good	22.129 \| good	0.179 \| good
2026-08-16T14:00:00.000Z	52 \| moderate	10.323 \| good	45.71 \| good	17.239 \| good	1.25 \| good	19.603 \| good	0.195 \| good
2026-08-16T15:00:00.000Z	56 \| moderate	12.035 \| good	53.704 \| good	19.829 \| good	1.321 \| good	13.227 \| good	0.157 \| good
2026-08-16T16:00:00.000Z	60 \| moderate	13.705 \| fine	61.591 \| fine	24.464 \| good	1.339 \| good	9.214 \| good	0.136 \| good
2026-08-16T17:00:00.000Z	56 \| moderate	12.08 \| good	54.026 \| good	31.783 \| good	1.431 \| good	7.419 \| good	0.129 \| good
2026-08-16T18:00:00.000Z	54 \| moderate	10.991 \| good	48.89 \| good	39.594 \| good	1.497 \| good	6.229 \| good	0.126 \| good
2026-08-16T19:00:00.000Z	52 \| moderate	9.87 \| good	43.859 \| good	47.55 \| good	1.531 \| good	4.925 \| good	0.125 \| good
2026-08-16T20:00:00.000Z	48 \| good	7.906 \| good	34.815 \| good	51.96 \| good	1.532 \| good	3.709 \| good	0.124 \| good
2026-08-16T21:00:00.000Z	48 \| good	7.32 \| good	32.313 \| good	52.202 \| good	1.486 \| good	2.677 \| good	0.124 \| good
2026-08-16T22:00:00.000Z	42 \| good	7.032 \| good	31.21 \| good	45.465 \| good	1.403 \| good	2.051 \| good	0.123 \| good
2026-08-16T23:00:00.000Z	35 \| good	5.661 \| good	24.383 \| good	38.185 \| good	1.303 \| good	1.845 \| good	0.121 \| good
2026-08-17T00:00:00.000Z	38 \| good	7.017 \| good	31.35 \| good	34.751 \| good	1.2 \| good	2.038 \| good	0.121 \| good
2026-08-17T01:00:00.000Z	33 \| good	5.874 \| good	25.949 \| good	30.566 \| good	1.116 \| good	3.087 \| good	0.123 \| good
2026-08-17T02:00:00.000Z	33 \| good	5.965 \| good	26.511 \| good	27.385 \| good	1.061 \| good	4.938 \| good	0.127 \| good
2026-08-17T03:00:00.000Z	33 \| good	6.413 \| good	28.648 \| good	25.049 \| good	1.024 \| good	7.309 \| good	0.131 \| good
2026-08-17T04:00:00.000Z	38 \| good	6.546 \| good	28.987 \| good	22.498 \| good	1.017 \| good	9.075 \| good	0.134 \| good
2026-08-17T05:00:00.000Z	27 \| good	4.785 \| good	20.776 \| good	20.701 \| good	1.036 \| good	11.34 \| good	0.139 \| good
2026-08-17T06:00:00.000Z	27 \| good	5.184 \| good	22.297 \| good	18.803 \| good	1.082 \| good	14.55 \| good	0.147 \| good
2026-08-17T07:00:00.000Z	33 \| good	5.525 \| good	23.599 \| good	17.85 \| good	1.097 \| good	17.299 \| good	0.155 \| good
2026-08-17T08:00:00.000Z	38 \| good	6.775 \| good	30.29 \| good	14.568 \| good	1.079 \| good	18.112 \| good	0.159 \| good
2026-08-17T09:00:00.000Z	38 \| good	7.182 \| good	31.688 \| good	13.985 \| good	1.082 \| good	19.665 \| good	0.165 \| good
2026-08-17T10:00:00.000Z	38 \| good	7.379 \| good	32.6 \| good	11.032 \| good	1.111 \| good	21.379 \| good	0.173 \| good
2026-08-17T11:00:00.000Z	38 \| good	7.428 \| good	32.425 \| good	11.379 \| good	1.13 \| good	22.476 \| good	0.182 \| good
2026-08-17T12:00:00.000Z	33 \| good	6.374 \| good	28.337 \| good	7.108 \| good	1.129 \| good	22.411 \| good	0.191 \| good
2026-08-17T13:00:00.000Z	44 \| good	8.141 \| good	35.721 \| good	8.313 \| good	1.143 \| good	22.2 \| good	0.203 \| good
2026-08-17T14:00:00.000Z	52 \| moderate	9.993 \| good	44.404 \| good	12.177 \| good	1.195 \| good	19.582 \| good	0.203 \| good
2026-08-17T15:00:00.000Z	49 \| good	9.417 \| good	41.659 \| good	16.534 \| good	1.207 \| good	13.596 \| good	0.169 \| good
2026-08-17T16:00:00.000Z	52 \| moderate	10.369 \| good	45.714 \| good	21.818 \| good	1.234 \| good	10.874 \| good	0.154 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	11.972 \| good	53.18 \| good	31.186 \| good	1.327 \| good	9.366 \| good	0.147 \| good
2026-08-17T18:00:00.000Z	56 \| moderate	12.123 \| fine	54.687 \| good	39.546 \| good	1.394 \| good	7.991 \| good	0.14 \| good
2026-08-17T19:00:00.000Z	58 \| moderate	12.72 \| fine	57.419 \| fine	44.544 \| good	1.448 \| good	6.605 \| good	0.134 \| good
2026-08-17T20:00:00.000Z	58 \| moderate	12.625 \| fine	57.003 \| fine	49.056 \| good	1.501 \| good	5.197 \| good	0.13 \| good
2026-08-17T21:00:00.000Z	54 \| moderate	10.956 \| good	48.35 \| good	51.922 \| good	1.513 \| good	3.992 \| good	0.128 \| good
2026-08-17T22:00:00.000Z	52 \| moderate	10.21 \| good	45.388 \| good	50.99 \| good	1.482 \| good	3.133 \| good	0.125 \| good
2026-08-17T23:00:00.000Z	49 \| good	8.893 \| good	39.442 \| good	50.016 \| good	1.411 \| good	2.723 \| good	0.123 \| good
2026-08-18T00:00:00.000Z	52 \| moderate	10.381 \| good	45.965 \| good	45.728 \| good	1.305 \| good	2.832 \| good	0.122 \| good
2026-08-18T01:00:00.000Z	49 \| good	8.52 \| good	37.531 \| good	39.298 \| good	1.18 \| good	3.828 \| good	0.123 \| good
2026-08-18T02:00:00.000Z	49 \| good	8.574 \| good	37.615 \| good	37.724 \| good	1.069 \| good	5.784 \| good	0.126 \| good
2026-08-18T03:00:00.000Z	44 \| good	8.311 \| good	36.342 \| good	29.751 \| good	1.016 \| good	8.557 \| good	0.132 \| good
2026-08-18T04:00:00.000Z	44 \| good	8.207 \| good	35.976 \| good	26.24 \| good	1.022 \| good	11.221 \| good	0.139 \| good
2026-08-18T05:00:00.000Z	44 \| good	7.756 \| good	34.324 \| good	23.607 \| good	1.042 \| good	14.501 \| good	0.148 \| good
2026-08-18T06:00:00.000Z	58 \| moderate	12.903 \| fine	15.459 \| good	17.357 \| good	1.079 \| good	18.483 \| good	0.16 \| good
2026-08-18T07:00:00.000Z	44 \| good	8.224 \| good	35.995 \| good	18.017 \| good	1.121 \| good	22.452 \| good	0.174 \| good
2026-08-18T08:00:00.000Z	49 \| good	9.073 \| good	40.458 \| good	17.486 \| good	1.106 \| good	23.401 \| good	0.183 \| good
2026-08-18T09:00:00.000Z	44 \| good	8.326 \| good	36.729 \| good	17.177 \| good	1.099 \| good	23.515 \| good	0.188 \| good
2026-08-18T10:00:00.000Z	38 \| good	7.394 \| good	32.634 \| good	16.324 \| good	1.079 \| good	23.255 \| good	0.192 \| good

Downey

Get reliable air quality data to drive your business

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

0.25ppm

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 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 10:00:00 on 2026-08-15.

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 08:00:00 on 2026-08-16.

What is the AQI in Downey, California right now?

As of now, the AQI in Downey, California is 38, indicating Good conditions.

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

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

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 7.003 μg/m³.

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

The PM₁₀ concentration in Downey, California is 31.015 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 0.2 ppm.

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

Currently, Downey, California has a sulfur dioxide (SO₂) concentration of 0.391 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 23.429 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 5.708 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-14T11:00:00.000Z	16 \| good	3.41 \| good	15.201 \| good	17.181 \| good	0.611 \| good	5.992 \| good	0.135 \| good
2026-08-14T12:00:00.000Z	16 \| good	3.097 \| good	13.2 \| good	16.937 \| good	0.362 \| good	6.619 \| good	0.135 \| good
2026-08-14T13:00:00.000Z	16 \| good	3.16 \| good	13.19 \| good	16.626 \| good	0.362 \| good	6.468 \| good	0.135 \| good
2026-08-14T14:00:00.000Z	27 \| good	5.3 \| good	23.474 \| good	18.5 \| good	0.292 \| good	6.796 \| good	0.183 \| good
2026-08-14T15:00:00.000Z	22 \| good	4.008 \| good	18.029 \| good	21.146 \| good	0.363 \| good	5.764 \| good	0.201 \| good
2026-08-14T16:00:00.000Z	22 \| good	4.34 \| good	19.268 \| good	22.835 \| good	0.316 \| good	5.426 \| good	0.243 \| good
2026-08-14T17:00:00.000Z	22 \| good	3.718 \| good	16.011 \| good	24.415 \| good	0.356 \| good	4.897 \| good	0.23 \| good
2026-08-14T18:00:00.000Z	24 \| good	3.932 \| good	17.016 \| good	26.097 \| good	0.408 \| good	5.363 \| good	0.188 \| good
2026-08-14T19:00:00.000Z	27 \| good	4.058 \| good	18.376 \| good	29.393 \| good	0.453 \| good	5.469 \| good	0.178 \| good
2026-08-14T20:00:00.000Z	29 \| good	4.277 \| good	19.502 \| good	31.362 \| good	0.334 \| good	5.528 \| good	0.178 \| good
2026-08-14T21:00:00.000Z	31 \| good	5.062 \| good	21.817 \| good	33.05 \| good	0.402 \| good	4.366 \| good	0.166 \| good
2026-08-14T22:00:00.000Z	31 \| good	5.245 \| good	22.416 \| good	33.476 \| good	0.519 \| good	4.239 \| good	0.147 \| good
2026-08-14T23:00:00.000Z	31 \| good	4.028 \| good	16.87 \| good	32.798 \| good	0.425 \| good	4.503 \| good	0.142 \| good
2026-08-15T00:00:00.000Z	30 \| good	5.188 \| good	23.254 \| good	32.182 \| good	0.43 \| good	4.274 \| good	0.154 \| good
2026-08-15T01:00:00.000Z	29 \| good	4.099 \| good	19.152 \| good	30.925 \| good	0.451 \| good	4.016 \| good	0.154 \| good
2026-08-15T02:00:00.000Z	27 \| good	5.077 \| good	22.652 \| good	29.248 \| good	0.372 \| good	4.466 \| good	0.154 \| good
2026-08-15T03:00:00.000Z	25 \| good	3.702 \| good	17.227 \| good	26.73 \| good	0.331 \| good	5.205 \| good	0.16 \| good
2026-08-15T04:00:00.000Z	23 \| good	3.473 \| good	15.703 \| good	24.576 \| good	0.31 \| good	6.823 \| good	0.172 \| good
2026-08-15T05:00:00.000Z	23 \| good	4.095 \| good	17.967 \| good	24.719 \| good	0.481 \| good	6.304 \| good	0.16 \| good
2026-08-15T06:00:00.000Z	22 \| good	3.003 \| good	12.591 \| good	23.822 \| good	0.315 \| good	6.785 \| good	0.184 \| good
2026-08-15T07:00:00.000Z	22 \| good	3.041 \| good	12.4 \| good	23.857 \| good	0.302 \| good	6.777 \| good	0.184 \| good
2026-08-15T08:00:00.000Z	27 \| good	4.698 \| good	21.686 \| good	21.651 \| good	0.271 \| good	7.831 \| good	0.177 \| good
2026-08-15T09:00:00.000Z	22 \| good	4.193 \| good	17.147 \| good	20.871 \| good	0.381 \| good	6.864 \| good	0.148 \| good
2026-08-15T10:00:00.000Z	27 \| good	5.176 \| good	23.391 \| good	20.836 \| good	0.374 \| good	6.15 \| good	0.147 \| good
2026-08-15T11:00:00.000Z	33 \| good	6.107 \| good	28.189 \| good	18.983 \| good	0.507 \| good	6.238 \| good	0.141 \| good
2026-08-15T12:00:00.000Z	38 \| good	6.737 \| good	27 \| good	19.302 \| good	0.443 \| good	6.355 \| good	0.164 \| good
2026-08-15T13:00:00.000Z	38 \| good	6.785 \| good	27.275 \| good	19.411 \| good	0.439 \| good	6.303 \| good	0.164 \| good
2026-08-15T14:00:00.000Z	38 \| good	7.438 \| good	33.524 \| good	19.48 \| good	0.313 \| good	6.372 \| good	0.159 \| good
2026-08-15T15:00:00.000Z	44 \| good	7.858 \| good	33.814 \| good	19.868 \| good	0.381 \| good	6.656 \| good	0.2 \| good
2026-08-15T16:00:00.000Z	44 \| good	7.822 \| good	33.777 \| good	20.714 \| good	0.341 \| good	7.208 \| good	0.188 \| good
2026-08-15T17:00:00.000Z	44 \| good	7.66 \| good	33.377 \| good	23.404 \| good	0.365 \| good	6.849 \| good	0.23 \| good
2026-08-15T18:00:00.000Z	49 \| good	9.065 \| good	38.921 \| good	26.515 \| good	0.354 \| good	6.857 \| good	0.242 \| good
2026-08-15T19:00:00.000Z	52 \| moderate	9.651 \| good	44.158 \| good	31.068 \| good	0.363 \| good	6.962 \| good	0.188 \| good
2026-08-15T20:00:00.000Z	52 \| moderate	10.179 \| good	44.939 \| good	34.833 \| good	0.395 \| good	5.365 \| good	0.188 \| good
2026-08-15T21:00:00.000Z	52 \| moderate	10.094 \| good	44.765 \| good	36.208 \| good	0.595 \| good	5.011 \| good	0.165 \| good
2026-08-15T22:00:00.000Z	52 \| moderate	9.536 \| good	41.365 \| good	36.888 \| good	0.532 \| good	4.62 \| good	0.165 \| good
2026-08-15T23:00:00.000Z	44 \| good	8.076 \| good	34.108 \| good	36.1 \| good	0.477 \| good	4.376 \| good	0.153 \| good
2026-08-16T00:00:00.000Z	38 \| good	6.771 \| good	29.035 \| good	35.343 \| good	0.485 \| good	3.926 \| good	0.148 \| good
2026-08-16T01:00:00.000Z	33 \| good	4.465 \| good	20.611 \| good	35.526 \| good	0.503 \| good	3.471 \| good	0.148 \| good
2026-08-16T02:00:00.000Z	33 \| good	5.908 \| good	26.647 \| good	33.489 \| good	0.591 \| good	4.563 \| good	0.16 \| good
2026-08-16T03:00:00.000Z	33 \| good	6.213 \| good	26.801 \| good	30.152 \| good	0.411 \| good	6.07 \| good	0.172 \| good
2026-08-16T04:00:00.000Z	33 \| good	6.428 \| good	28.102 \| good	30.319 \| good	0.362 \| good	6.008 \| good	0.183 \| good
2026-08-16T05:00:00.000Z	27 \| good	5.441 \| good	24.31 \| good	28.755 \| good	0.66 \| good	5.152 \| good	0.172 \| good
2026-08-16T06:00:00.000Z	27 \| good	5.389 \| good	24.241 \| good	26.906 \| good	0.297 \| good	5.282 \| good	0.177 \| good
2026-08-16T07:00:00.000Z	27 \| good	5.412 \| good	23.414 \| good	26.644 \| good	0.296 \| good	5.336 \| good	0.177 \| good
2026-08-16T08:00:00.000Z	27 \| good	5.441 \| good	23.804 \| good	23.976 \| good	0.306 \| good	7.329 \| good	0.278 \| good
2026-08-16T09:00:00.000Z	38 \| good	7.003 \| good	31.015 \| good	23.429 \| good	0.391 \| good	5.708 \| good	0.2 \| good
2026-08-16T10:00:00.000Z	38 \| good	7.003 \| good	31.015 \| good	23.429 \| good	0.391 \| good	5.708 \| good	0.2 \| good
2026-08-16T11:00:00.000Z	38 \| good	7.475 \| good	32.831 \| good	15.996 \| good	1.198 \| good	21.132 \| good	0.165 \| good
2026-08-16T12:00:00.000Z	38 \| good	7.473 \| good	32.722 \| good	13.058 \| good	1.199 \| good	21.715 \| good	0.173 \| good
2026-08-16T13:00:00.000Z	44 \| good	8.304 \| good	36.55 \| good	13.87 \| good	1.211 \| good	22.129 \| good	0.179 \| good
2026-08-16T14:00:00.000Z	52 \| moderate	10.323 \| good	45.71 \| good	17.239 \| good	1.25 \| good	19.603 \| good	0.195 \| good
2026-08-16T15:00:00.000Z	56 \| moderate	12.035 \| good	53.704 \| good	19.829 \| good	1.321 \| good	13.227 \| good	0.157 \| good
2026-08-16T16:00:00.000Z	60 \| moderate	13.705 \| fine	61.591 \| fine	24.464 \| good	1.339 \| good	9.214 \| good	0.136 \| good
2026-08-16T17:00:00.000Z	56 \| moderate	12.08 \| good	54.026 \| good	31.783 \| good	1.431 \| good	7.419 \| good	0.129 \| good
2026-08-16T18:00:00.000Z	54 \| moderate	10.991 \| good	48.89 \| good	39.594 \| good	1.497 \| good	6.229 \| good	0.126 \| good
2026-08-16T19:00:00.000Z	52 \| moderate	9.87 \| good	43.859 \| good	47.55 \| good	1.531 \| good	4.925 \| good	0.125 \| good
2026-08-16T20:00:00.000Z	48 \| good	7.906 \| good	34.815 \| good	51.96 \| good	1.532 \| good	3.709 \| good	0.124 \| good
2026-08-16T21:00:00.000Z	48 \| good	7.32 \| good	32.313 \| good	52.202 \| good	1.486 \| good	2.677 \| good	0.124 \| good
2026-08-16T22:00:00.000Z	42 \| good	7.032 \| good	31.21 \| good	45.465 \| good	1.403 \| good	2.051 \| good	0.123 \| good
2026-08-16T23:00:00.000Z	35 \| good	5.661 \| good	24.383 \| good	38.185 \| good	1.303 \| good	1.845 \| good	0.121 \| good
2026-08-17T00:00:00.000Z	38 \| good	7.017 \| good	31.35 \| good	34.751 \| good	1.2 \| good	2.038 \| good	0.121 \| good
2026-08-17T01:00:00.000Z	33 \| good	5.874 \| good	25.949 \| good	30.566 \| good	1.116 \| good	3.087 \| good	0.123 \| good
2026-08-17T02:00:00.000Z	33 \| good	5.965 \| good	26.511 \| good	27.385 \| good	1.061 \| good	4.938 \| good	0.127 \| good
2026-08-17T03:00:00.000Z	33 \| good	6.413 \| good	28.648 \| good	25.049 \| good	1.024 \| good	7.309 \| good	0.131 \| good
2026-08-17T04:00:00.000Z	38 \| good	6.546 \| good	28.987 \| good	22.498 \| good	1.017 \| good	9.075 \| good	0.134 \| good
2026-08-17T05:00:00.000Z	27 \| good	4.785 \| good	20.776 \| good	20.701 \| good	1.036 \| good	11.34 \| good	0.139 \| good
2026-08-17T06:00:00.000Z	27 \| good	5.184 \| good	22.297 \| good	18.803 \| good	1.082 \| good	14.55 \| good	0.147 \| good
2026-08-17T07:00:00.000Z	33 \| good	5.525 \| good	23.599 \| good	17.85 \| good	1.097 \| good	17.299 \| good	0.155 \| good
2026-08-17T08:00:00.000Z	38 \| good	6.775 \| good	30.29 \| good	14.568 \| good	1.079 \| good	18.112 \| good	0.159 \| good
2026-08-17T09:00:00.000Z	38 \| good	7.182 \| good	31.688 \| good	13.985 \| good	1.082 \| good	19.665 \| good	0.165 \| good
2026-08-17T10:00:00.000Z	38 \| good	7.379 \| good	32.6 \| good	11.032 \| good	1.111 \| good	21.379 \| good	0.173 \| good
2026-08-17T11:00:00.000Z	38 \| good	7.428 \| good	32.425 \| good	11.379 \| good	1.13 \| good	22.476 \| good	0.182 \| good
2026-08-17T12:00:00.000Z	33 \| good	6.374 \| good	28.337 \| good	7.108 \| good	1.129 \| good	22.411 \| good	0.191 \| good
2026-08-17T13:00:00.000Z	44 \| good	8.141 \| good	35.721 \| good	8.313 \| good	1.143 \| good	22.2 \| good	0.203 \| good
2026-08-17T14:00:00.000Z	52 \| moderate	9.993 \| good	44.404 \| good	12.177 \| good	1.195 \| good	19.582 \| good	0.203 \| good
2026-08-17T15:00:00.000Z	49 \| good	9.417 \| good	41.659 \| good	16.534 \| good	1.207 \| good	13.596 \| good	0.169 \| good
2026-08-17T16:00:00.000Z	52 \| moderate	10.369 \| good	45.714 \| good	21.818 \| good	1.234 \| good	10.874 \| good	0.154 \| good
2026-08-17T17:00:00.000Z	56 \| moderate	11.972 \| good	53.18 \| good	31.186 \| good	1.327 \| good	9.366 \| good	0.147 \| good
2026-08-17T18:00:00.000Z	56 \| moderate	12.123 \| fine	54.687 \| good	39.546 \| good	1.394 \| good	7.991 \| good	0.14 \| good
2026-08-17T19:00:00.000Z	58 \| moderate	12.72 \| fine	57.419 \| fine	44.544 \| good	1.448 \| good	6.605 \| good	0.134 \| good
2026-08-17T20:00:00.000Z	58 \| moderate	12.625 \| fine	57.003 \| fine	49.056 \| good	1.501 \| good	5.197 \| good	0.13 \| good
2026-08-17T21:00:00.000Z	54 \| moderate	10.956 \| good	48.35 \| good	51.922 \| good	1.513 \| good	3.992 \| good	0.128 \| good
2026-08-17T22:00:00.000Z	52 \| moderate	10.21 \| good	45.388 \| good	50.99 \| good	1.482 \| good	3.133 \| good	0.125 \| good
2026-08-17T23:00:00.000Z	49 \| good	8.893 \| good	39.442 \| good	50.016 \| good	1.411 \| good	2.723 \| good	0.123 \| good
2026-08-18T00:00:00.000Z	52 \| moderate	10.381 \| good	45.965 \| good	45.728 \| good	1.305 \| good	2.832 \| good	0.122 \| good
2026-08-18T01:00:00.000Z	49 \| good	8.52 \| good	37.531 \| good	39.298 \| good	1.18 \| good	3.828 \| good	0.123 \| good
2026-08-18T02:00:00.000Z	49 \| good	8.574 \| good	37.615 \| good	37.724 \| good	1.069 \| good	5.784 \| good	0.126 \| good
2026-08-18T03:00:00.000Z	44 \| good	8.311 \| good	36.342 \| good	29.751 \| good	1.016 \| good	8.557 \| good	0.132 \| good
2026-08-18T04:00:00.000Z	44 \| good	8.207 \| good	35.976 \| good	26.24 \| good	1.022 \| good	11.221 \| good	0.139 \| good
2026-08-18T05:00:00.000Z	44 \| good	7.756 \| good	34.324 \| good	23.607 \| good	1.042 \| good	14.501 \| good	0.148 \| good
2026-08-18T06:00:00.000Z	58 \| moderate	12.903 \| fine	15.459 \| good	17.357 \| good	1.079 \| good	18.483 \| good	0.16 \| good
2026-08-18T07:00:00.000Z	44 \| good	8.224 \| good	35.995 \| good	18.017 \| good	1.121 \| good	22.452 \| good	0.174 \| good
2026-08-18T08:00:00.000Z	49 \| good	9.073 \| good	40.458 \| good	17.486 \| good	1.106 \| good	23.401 \| good	0.183 \| good
2026-08-18T09:00:00.000Z	44 \| good	8.326 \| good	36.729 \| good	17.177 \| good	1.099 \| good	23.515 \| good	0.188 \| good
2026-08-18T10:00:00.000Z	38 \| good	7.394 \| good	32.634 \| good	16.324 \| good	1.079 \| good	23.255 \| good	0.192 \| good

Live air quality index in Downey, California today

Major air pollutants in Downey, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Downey, California air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Bell Gardens, California

Santa Fe Springs, California

Cudahy, California

Pico Rivera, California

Paramount, California

Norwalk, 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 Downey, California?

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

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

What is the AQI in Downey, California right now?

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

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

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

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

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

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

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

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

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

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

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

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