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

The PM10 concentration in Downey, California is 88.27 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 0.597 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 4.539 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 18.255 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 20.897 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)

Moderate

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)

20.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

88.27 μg/m³

155

255

425

605+

Ozone (O₃)

4.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.60 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

18.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

1.69 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
2025-12-05T16:00:00.000Z	49 \| good	9.431 \| good	42.274 \| good	4.083 \| good	1.009 \| good	29.991 \| good	1.51 \| good
2025-12-05T17:00:00.000Z	49 \| good	9.41 \| good	41.46 \| good	8.311 \| good	0.731 \| good	33.742 \| good	0.81 \| good
2025-12-05T18:00:00.000Z	49 \| good	9.182 \| good	37.878 \| good	11.794 \| good	0.517 \| good	32.934 \| good	0.559 \| good
2025-12-05T19:00:00.000Z	49 \| good	8.832 \| good	43.854 \| good	16.541 \| good	0.306 \| good	29.795 \| good	0.459 \| good
2025-12-05T20:00:00.000Z	44 \| good	7.574 \| good	33.572 \| good	20.83 \| good	0.204 \| good	26.325 \| good	0.385 \| good
2025-12-05T21:00:00.000Z	38 \| good	7.294 \| good	31.597 \| good	22.477 \| good	0.286 \| good	23.37 \| good	0.317 \| good
2025-12-05T22:00:00.000Z	33 \| good	5.943 \| good	28.808 \| good	24.836 \| good	0.241 \| good	20.659 \| good	0.285 \| good
2025-12-05T23:00:00.000Z	33 \| good	5.521 \| good	27.566 \| good	24.685 \| good	0.386 \| good	21.683 \| good	0.221 \| good
2025-12-06T00:00:00.000Z	31 \| good	5.007 \| good	34.187 \| good	27.045 \| good	0.463 \| good	23.717 \| good	0.252 \| good
2025-12-06T01:00:00.000Z	27 \| good	5.251 \| good	23.499 \| good	21.433 \| good	0.356 \| good	29.499 \| good	0.365 \| good
2025-12-06T02:00:00.000Z	38 \| good	6.834 \| good	32.729 \| good	14.818 \| good	0.263 \| good	36.405 \| good	0.449 \| good
2025-12-06T03:00:00.000Z	49 \| good	8.92 \| good	42.911 \| good	11.353 \| good	0.561 \| good	40.644 \| good	0.828 \| good
2025-12-06T04:00:00.000Z	56 \| moderate	12.179 \| fine	53.39 \| good	8.885 \| good	0.931 \| good	39.683 \| good	1.258 \| good
2025-12-06T05:00:00.000Z	60 \| moderate	13.627 \| fine	57.718 \| fine	4.807 \| good	0.751 \| good	35.222 \| good	1.634 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.288 \| fine	58.962 \| fine	4.038 \| good	0.975 \| good	32.05 \| good	1.602 \| good
2025-12-06T07:00:00.000Z	62 \| moderate	14.716 \| fine	59.455 \| fine	4.127 \| good	0.975 \| good	32.05 \| good	1.599 \| good
2025-12-06T08:00:00.000Z	71 \| moderate	19.783 \| fine	87.626 \| fine	2.164 \| good	0.689 \| good	32.353 \| good	2.008 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	19.053 \| fine	78.095 \| fine	2.839 \| good	0.589 \| good	33.208 \| good	1.641 \| good
2025-12-06T10:00:00.000Z	66 \| moderate	16.947 \| fine	74.007 \| fine	2.959 \| good	0.71 \| good	31.049 \| good	1.734 \| good
2025-12-06T11:00:00.000Z	62 \| moderate	15.497 \| fine	68.785 \| fine	1.801 \| good	0.896 \| good	28.361 \| good	1.749 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	16.267 \| fine	72.253 \| fine	2.071 \| good	0.712 \| good	26.782 \| good	1.755 \| good
2025-12-06T13:00:00.000Z	64 \| moderate	16.271 \| fine	74.142 \| fine	2.011 \| good	0.709 \| good	26.782 \| good	1.756 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	22.755 \| fine	94.258 \| fine	1.546 \| good	0.792 \| good	23.321 \| good	1.731 \| good
2025-12-06T15:00:00.000Z	69 \| moderate	19.095 \| fine	87.38 \| fine	3.107 \| good	0.885 \| good	23.208 \| good	2.065 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.365 \| fine	72.409 \| fine	5.402 \| good	0.99 \| good	26.951 \| good	1.704 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.857 \| fine	68.017 \| fine	7.863 \| good	0.793 \| good	33.432 \| good	1.129 \| good
2025-12-06T18:00:00.000Z	58 \| moderate	12.688 \| fine	54.436 \| good	10.827 \| good	0.659 \| good	32.343 \| good	0.815 \| good
2025-12-06T19:00:00.000Z	54 \| moderate	11.195 \| good	47.816 \| good	17.159 \| good	1.171 \| good	28.475 \| good	0.553 \| good
2025-12-06T20:00:00.000Z	52 \| moderate	9.512 \| good	41.682 \| good	20.337 \| good	0.917 \| good	26.502 \| good	0.527 \| good
2025-12-06T21:00:00.000Z	52 \| moderate	9.561 \| good	41.083 \| good	26.578 \| good	1.013 \| good	22.756 \| good	0.369 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	9.761 \| good	42.883 \| good	28.35 \| good	0.548 \| good	22.383 \| good	0.298 \| good
2025-12-06T23:00:00.000Z	38 \| good	7.324 \| good	35.378 \| good	30.709 \| good	0.712 \| good	21.024 \| good	0.32 \| good
2025-12-07T00:00:00.000Z	49 \| good	9.252 \| good	41.775 \| good	29.308 \| good	0.773 \| good	19.713 \| good	0.32 \| good
2025-12-07T01:00:00.000Z	52 \| moderate	9.878 \| good	44 \| good	25.856 \| good	0.739 \| good	21.199 \| good	0.317 \| good
2025-12-07T02:00:00.000Z	44 \| good	7.915 \| good	35.51 \| good	22.809 \| good	0.643 \| good	22.505 \| good	0.417 \| good
2025-12-07T03:00:00.000Z	56 \| moderate	11.592 \| good	51.964 \| good	16.928 \| good	0.637 \| good	28.73 \| good	0.571 \| good
2025-12-07T04:00:00.000Z	60 \| moderate	13.764 \| fine	62.211 \| fine	14.647 \| good	0.756 \| good	33.402 \| good	1.001 \| good
2025-12-07T05:00:00.000Z	69 \| moderate	18.982 \| fine	84.809 \| fine	15.196 \| good	0.655 \| good	30.59 \| good	1.269 \| good
2025-12-07T06:00:00.000Z	79 \| moderate	24.098 \| fine	95.907 \| fine	9.503 \| good	0.811 \| good	29.13 \| good	1.888 \| good
2025-12-07T07:00:00.000Z	81 \| moderate	24.648 \| fine	109.205 \| fine	9.518 \| good	0.813 \| good	29.13 \| good	1.888 \| good
2025-12-07T08:00:00.000Z	86 \| moderate	28.279 \| fine	122.924 \| fine	7.64 \| good	0.916 \| good	25.837 \| good	1.895 \| good
2025-12-07T09:00:00.000Z	84 \| moderate	26.906 \| fine	113.301 \| fine	5.734 \| good	0.555 \| good	24.59 \| good	1.674 \| good
2025-12-07T10:00:00.000Z	79 \| moderate	23.679 \| fine	101.888 \| fine	4.414 \| good	0.929 \| good	22.115 \| good	1.824 \| good
2025-12-07T11:00:00.000Z	81 \| moderate	24.601 \| fine	100.246 \| fine	4.153 \| good	0.926 \| good	22.115 \| good	1.829 \| good
2025-12-07T12:00:00.000Z	82 \| moderate	25.953 \| fine	104.872 \| fine	4.274 \| good	0.921 \| good	22.115 \| good	1.833 \| good
2025-12-07T13:00:00.000Z	84 \| moderate	26.636 \| fine	112.018 \| fine	1.746 \| good	0.841 \| good	5.686 \| good	0.553 \| good
2025-12-07T14:00:00.000Z	75 \| moderate	21.618 \| fine	99.777 \| fine	2.928 \| good	0.519 \| good	17.285 \| good	1.755 \| good
2025-12-07T15:00:00.000Z	73 \| moderate	20.897 \| fine	88.27 \| fine	4.539 \| good	0.597 \| good	18.255 \| good	1.694 \| good
2025-12-07T15:00:00.000Z	73 \| moderate	20.897 \| fine	88.27 \| fine	4.539 \| good	0.597 \| good	18.255 \| good	1.694 \| good
2025-12-07T16:00:00.000Z	84 \| moderate	27.042 \| fine	118.097 \| fine	5.457 \| good	2.697 \| good	25.808 \| good	0.325 \| good
2025-12-07T17:00:00.000Z	86 \| moderate	27.55 \| fine	119.996 \| fine	13.067 \| good	3.018 \| good	24.765 \| good	0.335 \| good
2025-12-07T18:00:00.000Z	86 \| moderate	28.389 \| fine	122.846 \| fine	19.507 \| good	3.34 \| good	23.723 \| good	0.345 \| good
2025-12-07T19:00:00.000Z	81 \| moderate	25.04 \| fine	109.342 \| fine	28.989 \| good	3.858 \| good	23.424 \| good	0.314 \| good
2025-12-07T20:00:00.000Z	77 \| moderate	22.841 \| fine	100.31 \| fine	37.168 \| good	4.375 \| good	23.124 \| good	0.282 \| good
2025-12-07T21:00:00.000Z	79 \| moderate	23.878 \| fine	104.033 \| fine	40.16 \| good	4.893 \| good	22.825 \| good	0.251 \| good
2025-12-07T22:00:00.000Z	75 \| moderate	22.044 \| fine	96.211 \| fine	40.902 \| good	5.291 \| good	27.217 \| good	0.279 \| good
2025-12-07T23:00:00.000Z	69 \| moderate	18.9 \| fine	83.114 \| fine	38.96 \| good	5.689 \| good	31.609 \| good	0.307 \| good
2025-12-08T00:00:00.000Z	73 \| moderate	20.889 \| fine	92.029 \| fine	32.332 \| good	6.087 \| good	36 \| good	0.334 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	24.544 \| fine	106.947 \| fine	26.47 \| good	6.051 \| good	38.405 \| good	0.424 \| good
2025-12-08T02:00:00.000Z	86 \| moderate	27.662 \| fine	120.512 \| fine	22.486 \| good	6.014 \| good	40.81 \| good	0.514 \| good
2025-12-08T03:00:00.000Z	96 \| moderate	33.317 \| fine	143.673 \| fine	13.178 \| good	5.978 \| good	43.214 \| good	0.603 \| good
2025-12-08T04:00:00.000Z	108 \| sensitive	38.381 \| moderate	169.204 \| moderate	6.943 \| good	5.448 \| good	40.802 \| good	0.606 \| good
2025-12-08T05:00:00.000Z	108 \| sensitive	38.474 \| moderate	169.539 \| moderate	3.875 \| good	4.918 \| good	38.39 \| good	0.608 \| good
2025-12-08T06:00:00.000Z	105 \| sensitive	36.965 \| moderate	161.253 \| moderate	3.523 \| good	4.388 \| good	35.978 \| good	0.611 \| good
2025-12-08T07:00:00.000Z	105 \| sensitive	37.445 \| moderate	164.062 \| moderate	3.006 \| good	3.791 \| good	34.965 \| good	0.555 \| good
2025-12-08T08:00:00.000Z	107 \| sensitive	37.53 \| moderate	164.333 \| moderate	3.145 \| good	3.194 \| good	33.952 \| good	0.5 \| good
2025-12-08T09:00:00.000Z	102 \| sensitive	35.764 \| moderate	156.368 \| moderate	2.311 \| good	2.597 \| good	32.939 \| good	0.445 \| good
2025-12-08T10:00:00.000Z	107 \| sensitive	37.811 \| moderate	166.461 \| moderate	3.185 \| good	2.36 \| good	31.73 \| good	0.393 \| good
2025-12-08T11:00:00.000Z	110 \| sensitive	38.921 \| moderate	171.19 \| moderate	2.195 \| good	2.123 \| good	30.522 \| good	0.341 \| good
2025-12-08T12:00:00.000Z	102 \| sensitive	36.186 \| moderate	158.417 \| moderate	1.457 \| good	1.885 \| good	29.314 \| good	0.288 \| good
2025-12-08T13:00:00.000Z	103 \| sensitive	36.421 \| moderate	159.306 \| moderate	0.792 \| good	1.985 \| good	28.504 \| good	0.278 \| good
2025-12-08T14:00:00.000Z	92 \| moderate	31.363 \| fine	136.6 \| fine	0.489 \| good	2.084 \| good	27.695 \| good	0.268 \| good
2025-12-08T15:00:00.000Z	81 \| moderate	25.219 \| fine	110.586 \| fine	1.113 \| good	2.183 \| good	26.886 \| good	0.258 \| good
2025-12-08T16:00:00.000Z	71 \| moderate	19.935 \| fine	88.157 \| fine	2.285 \| good	2.399 \| good	24.674 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	69 \| moderate	18.926 \| fine	83.784 \| fine	6.858 \| good	2.615 \| good	22.462 \| good	0.277 \| good
2025-12-08T18:00:00.000Z	62 \| moderate	15.471 \| fine	68.584 \| fine	16.345 \| good	2.831 \| good	20.25 \| good	0.287 \| good
2025-12-08T19:00:00.000Z	60 \| moderate	14.222 \| fine	63.741 \| fine	24.742 \| good	3.031 \| good	19.264 \| good	0.265 \| good
2025-12-08T20:00:00.000Z	58 \| moderate	13.371 \| fine	60.503 \| fine	30.693 \| good	3.232 \| good	18.278 \| good	0.242 \| good
2025-12-08T21:00:00.000Z	64 \| moderate	16.352 \| fine	72.568 \| fine	33.623 \| good	3.432 \| good	17.292 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	62 \| moderate	15.463 \| fine	69.015 \| fine	34.133 \| good	3.716 \| good	21.034 \| good	0.237 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.743 \| fine	61.441 \| fine	31.277 \| good	4.001 \| good	24.776 \| good	0.255 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	12.541 \| fine	56.013 \| fine	25.878 \| good	4.286 \| good	28.518 \| good	0.272 \| good
2025-12-09T01:00:00.000Z	58 \| moderate	12.877 \| fine	57.986 \| fine	16.654 \| good	4.16 \| good	30.395 \| good	0.31 \| good
2025-12-09T02:00:00.000Z	62 \| moderate	15.066 \| fine	67.79 \| fine	5.712 \| good	4.035 \| good	32.273 \| good	0.347 \| good
2025-12-09T03:00:00.000Z	67 \| moderate	17.639 \| fine	78.305 \| fine	1.227 \| good	3.909 \| good	34.15 \| good	0.384 \| good
2025-12-09T04:00:00.000Z	71 \| moderate	19.63 \| fine	86.271 \| fine	1.311 \| good	3.548 \| good	32.923 \| good	0.356 \| good
2025-12-09T05:00:00.000Z	62 \| moderate	15.43 \| fine	69.201 \| fine	1.553 \| good	3.187 \| good	31.695 \| good	0.327 \| good
2025-12-09T06:00:00.000Z	54 \| moderate	10.806 \| good	47.888 \| good	1.462 \| good	2.827 \| good	30.467 \| good	0.298 \| good
2025-12-09T07:00:00.000Z	38 \| good	6.852 \| good	30.351 \| good	1.461 \| good	2.448 \| good	28.721 \| good	0.266 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.78 \| good	25.164 \| good	1.786 \| good	2.069 \| good	26.975 \| good	0.234 \| good
2025-12-09T09:00:00.000Z	24 \| good	3.916 \| good	17.439 \| good	1.688 \| good	1.691 \| good	25.229 \| good	0.202 \| good
2025-12-09T10:00:00.000Z	21 \| good	2.652 \| good	11.212 \| good	2.028 \| good	1.684 \| good	22.113 \| good	0.182 \| good
2025-12-09T11:00:00.000Z	18 \| good	3.326 \| good	14.409 \| good	2.021 \| good	1.677 \| good	18.997 \| good	0.162 \| good
2025-12-09T12:00:00.000Z	16 \| good	3.055 \| good	12.939 \| good	1.438 \| good	1.67 \| good	15.881 \| good	0.141 \| good
2025-12-09T13:00:00.000Z	17 \| good	1.717 \| good	6.923 \| good	1.708 \| good	1.859 \| good	17.885 \| good	0.153 \| good
2025-12-09T14:00:00.000Z	19 \| good	3.471 \| good	15.286 \| good	0.993 \| good	2.048 \| good	19.888 \| good	0.165 \| good
2025-12-09T15:00:00.000Z	22 \| good	3.948 \| good	17.134 \| good	1.509 \| good	2.237 \| good	21.892 \| good	0.177 \| good

Downey

Get reliable air quality data to drive your business

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

1.02ppm

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 08:00:00 on 2025-12-07.

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 11:00:00 on 2025-12-06.

What is the AQI in Downey, California right now?

As of now, the AQI in Downey, California is 73, indicating Moderate 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 20.897 μg/m³.

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

The PM₁₀ concentration in Downey, California is 88.27 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 1.694 ppm.

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

Currently, Downey, California has a sulfur dioxide (SO₂) concentration of 0.597 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 4.539 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 18.255 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T16:00:00.000Z	49 \| good	9.431 \| good	42.274 \| good	4.083 \| good	1.009 \| good	29.991 \| good	1.51 \| good
2025-12-05T17:00:00.000Z	49 \| good	9.41 \| good	41.46 \| good	8.311 \| good	0.731 \| good	33.742 \| good	0.81 \| good
2025-12-05T18:00:00.000Z	49 \| good	9.182 \| good	37.878 \| good	11.794 \| good	0.517 \| good	32.934 \| good	0.559 \| good
2025-12-05T19:00:00.000Z	49 \| good	8.832 \| good	43.854 \| good	16.541 \| good	0.306 \| good	29.795 \| good	0.459 \| good
2025-12-05T20:00:00.000Z	44 \| good	7.574 \| good	33.572 \| good	20.83 \| good	0.204 \| good	26.325 \| good	0.385 \| good
2025-12-05T21:00:00.000Z	38 \| good	7.294 \| good	31.597 \| good	22.477 \| good	0.286 \| good	23.37 \| good	0.317 \| good
2025-12-05T22:00:00.000Z	33 \| good	5.943 \| good	28.808 \| good	24.836 \| good	0.241 \| good	20.659 \| good	0.285 \| good
2025-12-05T23:00:00.000Z	33 \| good	5.521 \| good	27.566 \| good	24.685 \| good	0.386 \| good	21.683 \| good	0.221 \| good
2025-12-06T00:00:00.000Z	31 \| good	5.007 \| good	34.187 \| good	27.045 \| good	0.463 \| good	23.717 \| good	0.252 \| good
2025-12-06T01:00:00.000Z	27 \| good	5.251 \| good	23.499 \| good	21.433 \| good	0.356 \| good	29.499 \| good	0.365 \| good
2025-12-06T02:00:00.000Z	38 \| good	6.834 \| good	32.729 \| good	14.818 \| good	0.263 \| good	36.405 \| good	0.449 \| good
2025-12-06T03:00:00.000Z	49 \| good	8.92 \| good	42.911 \| good	11.353 \| good	0.561 \| good	40.644 \| good	0.828 \| good
2025-12-06T04:00:00.000Z	56 \| moderate	12.179 \| fine	53.39 \| good	8.885 \| good	0.931 \| good	39.683 \| good	1.258 \| good
2025-12-06T05:00:00.000Z	60 \| moderate	13.627 \| fine	57.718 \| fine	4.807 \| good	0.751 \| good	35.222 \| good	1.634 \| good
2025-12-06T06:00:00.000Z	60 \| moderate	14.288 \| fine	58.962 \| fine	4.038 \| good	0.975 \| good	32.05 \| good	1.602 \| good
2025-12-06T07:00:00.000Z	62 \| moderate	14.716 \| fine	59.455 \| fine	4.127 \| good	0.975 \| good	32.05 \| good	1.599 \| good
2025-12-06T08:00:00.000Z	71 \| moderate	19.783 \| fine	87.626 \| fine	2.164 \| good	0.689 \| good	32.353 \| good	2.008 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	19.053 \| fine	78.095 \| fine	2.839 \| good	0.589 \| good	33.208 \| good	1.641 \| good
2025-12-06T10:00:00.000Z	66 \| moderate	16.947 \| fine	74.007 \| fine	2.959 \| good	0.71 \| good	31.049 \| good	1.734 \| good
2025-12-06T11:00:00.000Z	62 \| moderate	15.497 \| fine	68.785 \| fine	1.801 \| good	0.896 \| good	28.361 \| good	1.749 \| good
2025-12-06T12:00:00.000Z	64 \| moderate	16.267 \| fine	72.253 \| fine	2.071 \| good	0.712 \| good	26.782 \| good	1.755 \| good
2025-12-06T13:00:00.000Z	64 \| moderate	16.271 \| fine	74.142 \| fine	2.011 \| good	0.709 \| good	26.782 \| good	1.756 \| good
2025-12-06T14:00:00.000Z	77 \| moderate	22.755 \| fine	94.258 \| fine	1.546 \| good	0.792 \| good	23.321 \| good	1.731 \| good
2025-12-06T15:00:00.000Z	69 \| moderate	19.095 \| fine	87.38 \| fine	3.107 \| good	0.885 \| good	23.208 \| good	2.065 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.365 \| fine	72.409 \| fine	5.402 \| good	0.99 \| good	26.951 \| good	1.704 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.857 \| fine	68.017 \| fine	7.863 \| good	0.793 \| good	33.432 \| good	1.129 \| good
2025-12-06T18:00:00.000Z	58 \| moderate	12.688 \| fine	54.436 \| good	10.827 \| good	0.659 \| good	32.343 \| good	0.815 \| good
2025-12-06T19:00:00.000Z	54 \| moderate	11.195 \| good	47.816 \| good	17.159 \| good	1.171 \| good	28.475 \| good	0.553 \| good
2025-12-06T20:00:00.000Z	52 \| moderate	9.512 \| good	41.682 \| good	20.337 \| good	0.917 \| good	26.502 \| good	0.527 \| good
2025-12-06T21:00:00.000Z	52 \| moderate	9.561 \| good	41.083 \| good	26.578 \| good	1.013 \| good	22.756 \| good	0.369 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	9.761 \| good	42.883 \| good	28.35 \| good	0.548 \| good	22.383 \| good	0.298 \| good
2025-12-06T23:00:00.000Z	38 \| good	7.324 \| good	35.378 \| good	30.709 \| good	0.712 \| good	21.024 \| good	0.32 \| good
2025-12-07T00:00:00.000Z	49 \| good	9.252 \| good	41.775 \| good	29.308 \| good	0.773 \| good	19.713 \| good	0.32 \| good
2025-12-07T01:00:00.000Z	52 \| moderate	9.878 \| good	44 \| good	25.856 \| good	0.739 \| good	21.199 \| good	0.317 \| good
2025-12-07T02:00:00.000Z	44 \| good	7.915 \| good	35.51 \| good	22.809 \| good	0.643 \| good	22.505 \| good	0.417 \| good
2025-12-07T03:00:00.000Z	56 \| moderate	11.592 \| good	51.964 \| good	16.928 \| good	0.637 \| good	28.73 \| good	0.571 \| good
2025-12-07T04:00:00.000Z	60 \| moderate	13.764 \| fine	62.211 \| fine	14.647 \| good	0.756 \| good	33.402 \| good	1.001 \| good
2025-12-07T05:00:00.000Z	69 \| moderate	18.982 \| fine	84.809 \| fine	15.196 \| good	0.655 \| good	30.59 \| good	1.269 \| good
2025-12-07T06:00:00.000Z	79 \| moderate	24.098 \| fine	95.907 \| fine	9.503 \| good	0.811 \| good	29.13 \| good	1.888 \| good
2025-12-07T07:00:00.000Z	81 \| moderate	24.648 \| fine	109.205 \| fine	9.518 \| good	0.813 \| good	29.13 \| good	1.888 \| good
2025-12-07T08:00:00.000Z	86 \| moderate	28.279 \| fine	122.924 \| fine	7.64 \| good	0.916 \| good	25.837 \| good	1.895 \| good
2025-12-07T09:00:00.000Z	84 \| moderate	26.906 \| fine	113.301 \| fine	5.734 \| good	0.555 \| good	24.59 \| good	1.674 \| good
2025-12-07T10:00:00.000Z	79 \| moderate	23.679 \| fine	101.888 \| fine	4.414 \| good	0.929 \| good	22.115 \| good	1.824 \| good
2025-12-07T11:00:00.000Z	81 \| moderate	24.601 \| fine	100.246 \| fine	4.153 \| good	0.926 \| good	22.115 \| good	1.829 \| good
2025-12-07T12:00:00.000Z	82 \| moderate	25.953 \| fine	104.872 \| fine	4.274 \| good	0.921 \| good	22.115 \| good	1.833 \| good
2025-12-07T13:00:00.000Z	84 \| moderate	26.636 \| fine	112.018 \| fine	1.746 \| good	0.841 \| good	5.686 \| good	0.553 \| good
2025-12-07T14:00:00.000Z	75 \| moderate	21.618 \| fine	99.777 \| fine	2.928 \| good	0.519 \| good	17.285 \| good	1.755 \| good
2025-12-07T15:00:00.000Z	73 \| moderate	20.897 \| fine	88.27 \| fine	4.539 \| good	0.597 \| good	18.255 \| good	1.694 \| good
2025-12-07T15:00:00.000Z	73 \| moderate	20.897 \| fine	88.27 \| fine	4.539 \| good	0.597 \| good	18.255 \| good	1.694 \| good
2025-12-07T16:00:00.000Z	84 \| moderate	27.042 \| fine	118.097 \| fine	5.457 \| good	2.697 \| good	25.808 \| good	0.325 \| good
2025-12-07T17:00:00.000Z	86 \| moderate	27.55 \| fine	119.996 \| fine	13.067 \| good	3.018 \| good	24.765 \| good	0.335 \| good
2025-12-07T18:00:00.000Z	86 \| moderate	28.389 \| fine	122.846 \| fine	19.507 \| good	3.34 \| good	23.723 \| good	0.345 \| good
2025-12-07T19:00:00.000Z	81 \| moderate	25.04 \| fine	109.342 \| fine	28.989 \| good	3.858 \| good	23.424 \| good	0.314 \| good
2025-12-07T20:00:00.000Z	77 \| moderate	22.841 \| fine	100.31 \| fine	37.168 \| good	4.375 \| good	23.124 \| good	0.282 \| good
2025-12-07T21:00:00.000Z	79 \| moderate	23.878 \| fine	104.033 \| fine	40.16 \| good	4.893 \| good	22.825 \| good	0.251 \| good
2025-12-07T22:00:00.000Z	75 \| moderate	22.044 \| fine	96.211 \| fine	40.902 \| good	5.291 \| good	27.217 \| good	0.279 \| good
2025-12-07T23:00:00.000Z	69 \| moderate	18.9 \| fine	83.114 \| fine	38.96 \| good	5.689 \| good	31.609 \| good	0.307 \| good
2025-12-08T00:00:00.000Z	73 \| moderate	20.889 \| fine	92.029 \| fine	32.332 \| good	6.087 \| good	36 \| good	0.334 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	24.544 \| fine	106.947 \| fine	26.47 \| good	6.051 \| good	38.405 \| good	0.424 \| good
2025-12-08T02:00:00.000Z	86 \| moderate	27.662 \| fine	120.512 \| fine	22.486 \| good	6.014 \| good	40.81 \| good	0.514 \| good
2025-12-08T03:00:00.000Z	96 \| moderate	33.317 \| fine	143.673 \| fine	13.178 \| good	5.978 \| good	43.214 \| good	0.603 \| good
2025-12-08T04:00:00.000Z	108 \| sensitive	38.381 \| moderate	169.204 \| moderate	6.943 \| good	5.448 \| good	40.802 \| good	0.606 \| good
2025-12-08T05:00:00.000Z	108 \| sensitive	38.474 \| moderate	169.539 \| moderate	3.875 \| good	4.918 \| good	38.39 \| good	0.608 \| good
2025-12-08T06:00:00.000Z	105 \| sensitive	36.965 \| moderate	161.253 \| moderate	3.523 \| good	4.388 \| good	35.978 \| good	0.611 \| good
2025-12-08T07:00:00.000Z	105 \| sensitive	37.445 \| moderate	164.062 \| moderate	3.006 \| good	3.791 \| good	34.965 \| good	0.555 \| good
2025-12-08T08:00:00.000Z	107 \| sensitive	37.53 \| moderate	164.333 \| moderate	3.145 \| good	3.194 \| good	33.952 \| good	0.5 \| good
2025-12-08T09:00:00.000Z	102 \| sensitive	35.764 \| moderate	156.368 \| moderate	2.311 \| good	2.597 \| good	32.939 \| good	0.445 \| good
2025-12-08T10:00:00.000Z	107 \| sensitive	37.811 \| moderate	166.461 \| moderate	3.185 \| good	2.36 \| good	31.73 \| good	0.393 \| good
2025-12-08T11:00:00.000Z	110 \| sensitive	38.921 \| moderate	171.19 \| moderate	2.195 \| good	2.123 \| good	30.522 \| good	0.341 \| good
2025-12-08T12:00:00.000Z	102 \| sensitive	36.186 \| moderate	158.417 \| moderate	1.457 \| good	1.885 \| good	29.314 \| good	0.288 \| good
2025-12-08T13:00:00.000Z	103 \| sensitive	36.421 \| moderate	159.306 \| moderate	0.792 \| good	1.985 \| good	28.504 \| good	0.278 \| good
2025-12-08T14:00:00.000Z	92 \| moderate	31.363 \| fine	136.6 \| fine	0.489 \| good	2.084 \| good	27.695 \| good	0.268 \| good
2025-12-08T15:00:00.000Z	81 \| moderate	25.219 \| fine	110.586 \| fine	1.113 \| good	2.183 \| good	26.886 \| good	0.258 \| good
2025-12-08T16:00:00.000Z	71 \| moderate	19.935 \| fine	88.157 \| fine	2.285 \| good	2.399 \| good	24.674 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	69 \| moderate	18.926 \| fine	83.784 \| fine	6.858 \| good	2.615 \| good	22.462 \| good	0.277 \| good
2025-12-08T18:00:00.000Z	62 \| moderate	15.471 \| fine	68.584 \| fine	16.345 \| good	2.831 \| good	20.25 \| good	0.287 \| good
2025-12-08T19:00:00.000Z	60 \| moderate	14.222 \| fine	63.741 \| fine	24.742 \| good	3.031 \| good	19.264 \| good	0.265 \| good
2025-12-08T20:00:00.000Z	58 \| moderate	13.371 \| fine	60.503 \| fine	30.693 \| good	3.232 \| good	18.278 \| good	0.242 \| good
2025-12-08T21:00:00.000Z	64 \| moderate	16.352 \| fine	72.568 \| fine	33.623 \| good	3.432 \| good	17.292 \| good	0.22 \| good
2025-12-08T22:00:00.000Z	62 \| moderate	15.463 \| fine	69.015 \| fine	34.133 \| good	3.716 \| good	21.034 \| good	0.237 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.743 \| fine	61.441 \| fine	31.277 \| good	4.001 \| good	24.776 \| good	0.255 \| good
2025-12-09T00:00:00.000Z	58 \| moderate	12.541 \| fine	56.013 \| fine	25.878 \| good	4.286 \| good	28.518 \| good	0.272 \| good
2025-12-09T01:00:00.000Z	58 \| moderate	12.877 \| fine	57.986 \| fine	16.654 \| good	4.16 \| good	30.395 \| good	0.31 \| good
2025-12-09T02:00:00.000Z	62 \| moderate	15.066 \| fine	67.79 \| fine	5.712 \| good	4.035 \| good	32.273 \| good	0.347 \| good
2025-12-09T03:00:00.000Z	67 \| moderate	17.639 \| fine	78.305 \| fine	1.227 \| good	3.909 \| good	34.15 \| good	0.384 \| good
2025-12-09T04:00:00.000Z	71 \| moderate	19.63 \| fine	86.271 \| fine	1.311 \| good	3.548 \| good	32.923 \| good	0.356 \| good
2025-12-09T05:00:00.000Z	62 \| moderate	15.43 \| fine	69.201 \| fine	1.553 \| good	3.187 \| good	31.695 \| good	0.327 \| good
2025-12-09T06:00:00.000Z	54 \| moderate	10.806 \| good	47.888 \| good	1.462 \| good	2.827 \| good	30.467 \| good	0.298 \| good
2025-12-09T07:00:00.000Z	38 \| good	6.852 \| good	30.351 \| good	1.461 \| good	2.448 \| good	28.721 \| good	0.266 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.78 \| good	25.164 \| good	1.786 \| good	2.069 \| good	26.975 \| good	0.234 \| good
2025-12-09T09:00:00.000Z	24 \| good	3.916 \| good	17.439 \| good	1.688 \| good	1.691 \| good	25.229 \| good	0.202 \| good
2025-12-09T10:00:00.000Z	21 \| good	2.652 \| good	11.212 \| good	2.028 \| good	1.684 \| good	22.113 \| good	0.182 \| good
2025-12-09T11:00:00.000Z	18 \| good	3.326 \| good	14.409 \| good	2.021 \| good	1.677 \| good	18.997 \| good	0.162 \| good
2025-12-09T12:00:00.000Z	16 \| good	3.055 \| good	12.939 \| good	1.438 \| good	1.67 \| good	15.881 \| good	0.141 \| good
2025-12-09T13:00:00.000Z	17 \| good	1.717 \| good	6.923 \| good	1.708 \| good	1.859 \| good	17.885 \| good	0.153 \| good
2025-12-09T14:00:00.000Z	19 \| good	3.471 \| good	15.286 \| good	0.993 \| good	2.048 \| good	19.888 \| good	0.165 \| good
2025-12-09T15:00:00.000Z	22 \| good	3.948 \| good	17.134 \| good	1.509 \| good	2.237 \| good	21.892 \| good	0.177 \| 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)

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Air quality in nearby cities

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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