What is the current concentration of PM10 in Brea, California?

The current PM10 concentration at Brea, California is 83.69 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Brea, California?

The current sulfur dioxide (SO2) concentration at Brea, California is 0.585 ppb.

What is the current concentration of ozone (O3) in Brea, California?

The current ozone (O3) concentration at Brea, California is 4.277 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Brea, California?

The current nitrogen dioxide (NO2) concentration at Brea, California is 28.196 ppb.

Brea, California live air quality index now

Q: What is the current concentration of PM2.5 in Brea, California?

The current PM2.5 concentration at Brea, California is 32.159 μg/m3.

Stay updated with real-time air quality in Brea, 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

Brea, California

Last updated: ... (Local time)

Major air pollutants in Brea, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

32.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

83.69 μg/m³

155

255

425

605+

Ozone (O₃)

4.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.58 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

28.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.82 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Brea, California

Get Live Pollen Counts

Brea, California

Scroll To Air Quality Map

Track live Brea, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-20T10:00:00.000Z	56 \| moderate	12.158 \| fine	31.845 \| good	3.093 \| good	0.345 \| good	27.52 \| good	0.947 \| good
2026-01-20T11:00:00.000Z	64 \| moderate	16.476 \| fine	43.622 \| good	2.18 \| good	0.67 \| good	24.941 \| good	0.894 \| good
2026-01-20T12:00:00.000Z	58 \| moderate	12.795 \| fine	32.774 \| good	1.54 \| good	0.53 \| good	23.834 \| good	0.784 \| good
2026-01-20T13:00:00.000Z	64 \| moderate	15.512 \| fine	40.724 \| good	1.619 \| good	0.535 \| good	23.834 \| good	0.784 \| good
2026-01-20T14:00:00.000Z	56 \| moderate	12.344 \| fine	32.252 \| good	3.188 \| good	0.66 \| good	25.756 \| good	0.941 \| good
2026-01-20T15:00:00.000Z	58 \| moderate	13.38 \| fine	41.744 \| good	3.21 \| good	0.867 \| good	28.097 \| good	1.242 \| good
2026-01-20T16:00:00.000Z	58 \| moderate	12.843 \| fine	44.853 \| good	6.038 \| good	1.165 \| good	29.609 \| good	1.59 \| good
2026-01-20T17:00:00.000Z	54 \| moderate	11.023 \| good	34.178 \| good	9.611 \| good	1.17 \| good	30.475 \| good	1.06 \| good
2026-01-20T18:00:00.000Z	49 \| good	9.232 \| good	38.374 \| good	14.203 \| good	0.825 \| good	27.291 \| good	0.753 \| good
2026-01-20T19:00:00.000Z	49 \| good	9.091 \| good	35.03 \| good	18.412 \| good	0.497 \| good	21.559 \| good	0.704 \| good
2026-01-20T20:00:00.000Z	52 \| moderate	10.137 \| good	33.853 \| good	22.081 \| good	0.472 \| good	24.274 \| good	0.508 \| good
2026-01-20T21:00:00.000Z	49 \| good	9.43 \| good	28.754 \| good	26.2 \| good	0.45 \| good	25.946 \| good	0.468 \| good
2026-01-20T22:00:00.000Z	54 \| moderate	11.265 \| good	32.325 \| good	28.971 \| good	0.401 \| good	25.302 \| good	0.475 \| good
2026-01-20T23:00:00.000Z	38 \| good	7.163 \| good	31.938 \| good	30.994 \| good	0.476 \| good	23.846 \| good	0.552 \| good
2026-01-21T00:00:00.000Z	54 \| moderate	11.194 \| good	36.552 \| good	28.601 \| good	0.616 \| good	22.873 \| good	0.551 \| good
2026-01-21T01:00:00.000Z	56 \| moderate	11.666 \| good	36.698 \| good	24.581 \| good	0.598 \| good	26.509 \| good	0.597 \| good
2026-01-21T02:00:00.000Z	60 \| moderate	14.201 \| fine	38.942 \| good	22.913 \| good	0.39 \| good	26.793 \| good	0.592 \| good
2026-01-21T03:00:00.000Z	96 \| moderate	32.604 \| fine	140.676 \| fine	4.665 \| good	5.069 \| good	40.461 \| good	0.487 \| good
2026-01-21T04:00:00.000Z	64 \| moderate	16.264 \| fine	45.128 \| good	16.693 \| good	0.383 \| good	27.856 \| good	0.663 \| good
2026-01-21T05:00:00.000Z	71 \| moderate	19.506 \| fine	40.74 \| good	14.09 \| good	0.471 \| good	31.435 \| good	0.792 \| good
2026-01-21T06:00:00.000Z	75 \| moderate	21.516 \| fine	57.118 \| fine	13.113 \| good	0.412 \| good	32.449 \| good	0.978 \| good
2026-01-21T07:00:00.000Z	69 \| moderate	19.401 \| fine	63.576 \| fine	8.942 \| good	0.461 \| good	32.449 \| good	0.983 \| good
2026-01-21T08:00:00.000Z	79 \| moderate	23.702 \| fine	77.768 \| fine	7.693 \| good	0.505 \| good	21.258 \| good	0.58 \| good
2026-01-21T09:00:00.000Z	79 \| moderate	23.557 \| fine	100.601 \| fine	8.165 \| good	0.294 \| good	9.678 \| good	0.456 \| good
2026-01-21T10:00:00.000Z	79 \| moderate	23.803 \| fine	79.954 \| fine	8.898 \| good	0.333 \| good	10.64 \| good	0.445 \| good
2026-01-21T11:00:00.000Z	84 \| moderate	27.378 \| fine	69.891 \| fine	10.934 \| good	0.442 \| good	14.234 \| good	0.464 \| good
2026-01-21T12:00:00.000Z	86 \| moderate	28.351 \| fine	76.176 \| fine	11.724 \| good	0.426 \| good	15.075 \| good	0.419 \| good
2026-01-21T13:00:00.000Z	94 \| moderate	31.9 \| fine	68.871 \| fine	12.607 \| good	0.369 \| good	15.075 \| good	0.419 \| good
2026-01-21T14:00:00.000Z	115 \| sensitive	40.636 \| moderate	112.368 \| fine	10.876 \| good	0.69 \| good	20.973 \| good	0.535 \| good
2026-01-21T15:00:00.000Z	99 \| moderate	34.97 \| fine	113.302 \| fine	9.674 \| good	0.482 \| good	23.782 \| good	0.578 \| good
2026-01-21T16:00:00.000Z	97 \| moderate	33.546 \| fine	109.669 \| fine	9.952 \| good	0.563 \| good	23.638 \| good	0.706 \| good
2026-01-21T17:00:00.000Z	92 \| moderate	30.878 \| fine	98.283 \| fine	12.72 \| good	0.461 \| good	21.761 \| good	0.662 \| good
2026-01-21T18:00:00.000Z	96 \| moderate	32.953 \| fine	119.278 \| fine	11.368 \| good	0.427 \| good	22.249 \| good	0.669 \| good
2026-01-21T19:00:00.000Z	88 \| moderate	28.644 \| fine	106.796 \| fine	13.895 \| good	0.496 \| good	23.489 \| good	0.764 \| good
2026-01-21T20:00:00.000Z	88 \| moderate	29.378 \| fine	114.799 \| fine	15.891 \| good	0.524 \| good	23.375 \| good	0.669 \| good
2026-01-21T21:00:00.000Z	96 \| moderate	33.316 \| fine	117.086 \| fine	19.096 \| good	0.448 \| good	24.687 \| good	0.72 \| good
2026-01-21T22:00:00.000Z	84 \| moderate	26.895 \| fine	82.484 \| fine	19.961 \| good	0.588 \| good	23.67 \| good	0.717 \| good
2026-01-21T23:00:00.000Z	81 \| moderate	24.553 \| fine	87.236 \| fine	21.16 \| good	0.482 \| good	24.862 \| good	0.644 \| good
2026-01-22T00:00:00.000Z	79 \| moderate	24.229 \| fine	68.412 \| fine	21.668 \| good	0.461 \| good	24.5 \| good	0.643 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.473 \| fine	64.68 \| fine	20.741 \| good	0.37 \| good	26.379 \| good	0.699 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.103 \| fine	63.777 \| fine	18.867 \| good	0.334 \| good	26.967 \| good	0.691 \| good
2026-01-22T03:00:00.000Z	92 \| moderate	31.05 \| fine	71.514 \| fine	15.747 \| good	0.424 \| good	28.903 \| good	0.753 \| good
2026-01-22T04:00:00.000Z	90 \| moderate	29.547 \| fine	78.159 \| fine	13.22 \| good	0.493 \| good	29.474 \| good	0.74 \| good
2026-01-22T05:00:00.000Z	94 \| moderate	32.176 \| fine	73.036 \| fine	11.688 \| good	0.754 \| good	28.882 \| good	0.733 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.504 \| fine	77.096 \| fine	9.812 \| good	0.553 \| good	31.017 \| good	0.834 \| good
2026-01-22T07:00:00.000Z	96 \| moderate	32.752 \| fine	78.004 \| fine	11.023 \| good	0.587 \| good	30.297 \| good	0.914 \| good
2026-01-22T08:00:00.000Z	90 \| moderate	29.911 \| fine	63.974 \| fine	7.726 \| good	0.613 \| good	29.589 \| good	0.895 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T10:00:00.000Z	122 \| sensitive	43.631 \| moderate	194.889 \| moderate	0.65 \| good	6.606 \| good	34.645 \| good	0.512 \| good
2026-01-22T11:00:00.000Z	115 \| sensitive	41.295 \| moderate	183.812 \| moderate	0.763 \| good	6.743 \| good	34.736 \| good	0.493 \| good
2026-01-22T12:00:00.000Z	115 \| sensitive	41.422 \| moderate	183.758 \| moderate	1.699 \| good	6.88 \| good	34.826 \| good	0.474 \| good
2026-01-22T13:00:00.000Z	124 \| sensitive	44.696 \| moderate	199.656 \| moderate	1.294 \| good	6.845 \| good	34.717 \| good	0.486 \| good
2026-01-22T14:00:00.000Z	128 \| sensitive	46.327 \| moderate	208.522 \| moderate	0.57 \| good	6.81 \| good	34.609 \| good	0.499 \| good
2026-01-22T15:00:00.000Z	156 \| unhealthy	61.675 \| poor	261.522 \| poor	0.499 \| good	6.775 \| good	34.5 \| good	0.511 \| good
2026-01-22T16:00:00.000Z	156 \| unhealthy	62.982 \| poor	262.323 \| poor	2.316 \| good	6.633 \| good	31.271 \| good	0.467 \| good
2026-01-22T17:00:00.000Z	156 \| unhealthy	62.028 \| poor	260.588 \| poor	11.787 \| good	6.492 \| good	28.042 \| good	0.423 \| good
2026-01-22T18:00:00.000Z	157 \| unhealthy	64.476 \| poor	263.936 \| poor	12.606 \| good	6.351 \| good	24.813 \| good	0.379 \| good
2026-01-22T19:00:00.000Z	132 \| sensitive	47.896 \| moderate	215.973 \| moderate	25.043 \| good	5.322 \| good	21.071 \| good	0.322 \| good
2026-01-22T20:00:00.000Z	86 \| moderate	27.664 \| fine	120.261 \| fine	30.242 \| good	4.293 \| good	17.329 \| good	0.265 \| good
2026-01-22T21:00:00.000Z	33 \| good	5.732 \| good	25.236 \| good	31.783 \| good	3.263 \| good	13.586 \| good	0.208 \| good
2026-01-22T22:00:00.000Z	30 \| good	1.47 \| good	5.935 \| good	31.673 \| good	3.204 \| good	13.708 \| good	0.202 \| good
2026-01-22T23:00:00.000Z	29 \| good	1.36 \| good	5.367 \| good	31.193 \| good	3.144 \| good	13.831 \| good	0.195 \| good
2026-01-23T00:00:00.000Z	26 \| good	2.852 \| good	11.802 \| good	27.693 \| good	3.084 \| good	13.953 \| good	0.188 \| good
2026-01-23T01:00:00.000Z	33 \| good	5.93 \| good	25.742 \| good	20.828 \| good	3.539 \| good	22.042 \| good	0.241 \| good
2026-01-23T02:00:00.000Z	56 \| moderate	12.023 \| good	53.198 \| good	7.37 \| good	3.994 \| good	30.131 \| good	0.294 \| good
2026-01-23T03:00:00.000Z	75 \| moderate	22.27 \| fine	97.839 \| fine	2.085 \| good	4.449 \| good	38.219 \| good	0.347 \| good
2026-01-23T04:00:00.000Z	88 \| moderate	28.583 \| fine	124.242 \| fine	2.085 \| good	5.159 \| good	38.315 \| good	0.381 \| good
2026-01-23T05:00:00.000Z	92 \| moderate	30.829 \| fine	133.64 \| fine	2.617 \| good	5.87 \| good	38.411 \| good	0.416 \| good
2026-01-23T06:00:00.000Z	90 \| moderate	30.077 \| fine	130.476 \| fine	3.279 \| good	6.58 \| good	38.507 \| good	0.45 \| good
2026-01-23T07:00:00.000Z	88 \| moderate	28.743 \| fine	124.944 \| fine	3.317 \| good	6.654 \| good	38.454 \| good	0.456 \| good
2026-01-23T08:00:00.000Z	92 \| moderate	31.12 \| fine	135.066 \| fine	2.321 \| good	6.728 \| good	38.401 \| good	0.462 \| good
2026-01-23T09:00:00.000Z	96 \| moderate	32.602 \| fine	141.362 \| fine	2.985 \| good	6.802 \| good	38.347 \| good	0.469 \| good
2026-01-23T10:00:00.000Z	90 \| moderate	29.67 \| fine	129.145 \| fine	2.787 \| good	6.691 \| good	37.229 \| good	0.437 \| good
2026-01-23T11:00:00.000Z	88 \| moderate	29.308 \| fine	127.602 \| fine	2.729 \| good	6.579 \| good	36.11 \| good	0.405 \| good
2026-01-23T12:00:00.000Z	88 \| moderate	29.007 \| fine	125.783 \| fine	1.94 \| good	6.467 \| good	34.992 \| good	0.373 \| good
2026-01-23T13:00:00.000Z	88 \| moderate	29.251 \| fine	126.802 \| fine	1.337 \| good	6.963 \| good	34.579 \| good	0.376 \| good
2026-01-23T14:00:00.000Z	99 \| moderate	35.101 \| fine	152.042 \| fine	0.728 \| good	7.458 \| good	34.165 \| good	0.379 \| good
2026-01-23T15:00:00.000Z	92 \| moderate	31.47 \| fine	136.241 \| fine	0.673 \| good	7.953 \| good	33.752 \| good	0.381 \| good
2026-01-23T16:00:00.000Z	84 \| moderate	27.296 \| fine	118.936 \| fine	2.034 \| good	6.884 \| good	28.754 \| good	0.316 \| good
2026-01-23T17:00:00.000Z	96 \| moderate	32.91 \| fine	141.902 \| fine	4.742 \| good	5.814 \| good	23.757 \| good	0.25 \| good
2026-01-23T18:00:00.000Z	88 \| moderate	29.016 \| fine	125.861 \| fine	11.003 \| good	4.744 \| good	18.759 \| good	0.185 \| good
2026-01-23T19:00:00.000Z	82 \| moderate	25.782 \| fine	111.934 \| fine	20.09 \| good	4.475 \| good	16.629 \| good	0.175 \| good
2026-01-23T20:00:00.000Z	75 \| moderate	21.982 \| fine	96.413 \| fine	28.245 \| good	4.205 \| good	14.5 \| good	0.165 \| good
2026-01-23T21:00:00.000Z	73 \| moderate	20.683 \| fine	90.556 \| fine	34.335 \| good	3.936 \| good	12.371 \| good	0.155 \| good
2026-01-23T22:00:00.000Z	66 \| moderate	16.93 \| fine	75.469 \| fine	38.305 \| good	4.244 \| good	13.322 \| good	0.157 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	13.753 \| fine	61.98 \| fine	38.309 \| good	4.552 \| good	14.272 \| good	0.159 \| good
2026-01-24T00:00:00.000Z	64 \| moderate	16.088 \| fine	71.463 \| fine	38.862 \| good	4.861 \| good	15.223 \| good	0.161 \| good
2026-01-24T01:00:00.000Z	69 \| moderate	18.605 \| fine	82.038 \| fine	33.799 \| good	5.055 \| good	19.574 \| good	0.186 \| good
2026-01-24T02:00:00.000Z	67 \| moderate	18.22 \| fine	80.704 \| fine	27.964 \| good	5.25 \| good	23.924 \| good	0.21 \| good
2026-01-24T03:00:00.000Z	81 \| moderate	24.901 \| fine	108.783 \| fine	24.174 \| good	5.445 \| good	28.275 \| good	0.235 \| good
2026-01-24T04:00:00.000Z	86 \| moderate	27.979 \| fine	121.358 \| fine	15.845 \| good	5.557 \| good	28.212 \| good	0.232 \| good
2026-01-24T05:00:00.000Z	86 \| moderate	28.364 \| fine	123.372 \| fine	11.528 \| good	5.67 \| good	28.148 \| good	0.229 \| good
2026-01-24T06:00:00.000Z	75 \| moderate	21.95 \| fine	22.927 \| good	8.465 \| good	5.882 \| good	28.462 \| good	0.226 \| good
2026-01-24T07:00:00.000Z	92 \| moderate	31.385 \| fine	135.536 \| fine	7.421 \| good	5.824 \| good	27.663 \| good	0.22 \| good
2026-01-24T08:00:00.000Z	96 \| moderate	33.23 \| fine	143.552 \| fine	9.358 \| good	5.866 \| good	27.242 \| good	0.214 \| good
2026-01-24T09:00:00.000Z	102 \| sensitive	35.703 \| moderate	155.662 \| moderate	5.896 \| good	5.908 \| good	26.82 \| good	0.208 \| good

Brea

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Brea, California air quality map: Track AQI near you

0.94ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Brea, California updated?

The air quality for Brea, California is updated every hour.

When was the worst air quality at Brea, California in the last 24 hrs?

The worst air quality in Brea, California in the last 24 hours was observed at 02:00:00 on 2026-01-21.

When was the best air quality at Brea, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Brea, California was observed at 12:00:00 on 2026-01-22.

What is the current air quality in Brea, California?

The current air quality in Brea, California is 94, categorized as Moderate based on real-time data.

What pollutant is the most common in Brea, California?

The most common pollutant in Brea, California is PM2.5.

What should I do if the air quality in Brea, California is poor?

If the air quality in Brea, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Brea, California?

The current PM_2.5 concentration at Brea, California is 32.159 μg/m³.

What is the current concentration of PM₁₀ in Brea, California?

The current PM₁₀ concentration at Brea, California is 83.69 μg/m³.

What is the current concentration of carbon monoxide (CO) in Brea, California?

The current carbon monoxide (CO) concentration at Brea, California is 0.816 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Brea, California?

The current sulfur dioxide (SO₂) concentration at Brea, California is 0.585 ppb.

What is the current concentration of ozone (O₃) in Brea, California?

The current ozone (O₃) concentration at Brea, California is 4.277 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Brea, California?

The current nitrogen dioxide (NO₂) concentration at Brea, California is 28.196 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-20T10:00:00.000Z	56 \| moderate	12.158 \| fine	31.845 \| good	3.093 \| good	0.345 \| good	27.52 \| good	0.947 \| good
2026-01-20T11:00:00.000Z	64 \| moderate	16.476 \| fine	43.622 \| good	2.18 \| good	0.67 \| good	24.941 \| good	0.894 \| good
2026-01-20T12:00:00.000Z	58 \| moderate	12.795 \| fine	32.774 \| good	1.54 \| good	0.53 \| good	23.834 \| good	0.784 \| good
2026-01-20T13:00:00.000Z	64 \| moderate	15.512 \| fine	40.724 \| good	1.619 \| good	0.535 \| good	23.834 \| good	0.784 \| good
2026-01-20T14:00:00.000Z	56 \| moderate	12.344 \| fine	32.252 \| good	3.188 \| good	0.66 \| good	25.756 \| good	0.941 \| good
2026-01-20T15:00:00.000Z	58 \| moderate	13.38 \| fine	41.744 \| good	3.21 \| good	0.867 \| good	28.097 \| good	1.242 \| good
2026-01-20T16:00:00.000Z	58 \| moderate	12.843 \| fine	44.853 \| good	6.038 \| good	1.165 \| good	29.609 \| good	1.59 \| good
2026-01-20T17:00:00.000Z	54 \| moderate	11.023 \| good	34.178 \| good	9.611 \| good	1.17 \| good	30.475 \| good	1.06 \| good
2026-01-20T18:00:00.000Z	49 \| good	9.232 \| good	38.374 \| good	14.203 \| good	0.825 \| good	27.291 \| good	0.753 \| good
2026-01-20T19:00:00.000Z	49 \| good	9.091 \| good	35.03 \| good	18.412 \| good	0.497 \| good	21.559 \| good	0.704 \| good
2026-01-20T20:00:00.000Z	52 \| moderate	10.137 \| good	33.853 \| good	22.081 \| good	0.472 \| good	24.274 \| good	0.508 \| good
2026-01-20T21:00:00.000Z	49 \| good	9.43 \| good	28.754 \| good	26.2 \| good	0.45 \| good	25.946 \| good	0.468 \| good
2026-01-20T22:00:00.000Z	54 \| moderate	11.265 \| good	32.325 \| good	28.971 \| good	0.401 \| good	25.302 \| good	0.475 \| good
2026-01-20T23:00:00.000Z	38 \| good	7.163 \| good	31.938 \| good	30.994 \| good	0.476 \| good	23.846 \| good	0.552 \| good
2026-01-21T00:00:00.000Z	54 \| moderate	11.194 \| good	36.552 \| good	28.601 \| good	0.616 \| good	22.873 \| good	0.551 \| good
2026-01-21T01:00:00.000Z	56 \| moderate	11.666 \| good	36.698 \| good	24.581 \| good	0.598 \| good	26.509 \| good	0.597 \| good
2026-01-21T02:00:00.000Z	60 \| moderate	14.201 \| fine	38.942 \| good	22.913 \| good	0.39 \| good	26.793 \| good	0.592 \| good
2026-01-21T03:00:00.000Z	96 \| moderate	32.604 \| fine	140.676 \| fine	4.665 \| good	5.069 \| good	40.461 \| good	0.487 \| good
2026-01-21T04:00:00.000Z	64 \| moderate	16.264 \| fine	45.128 \| good	16.693 \| good	0.383 \| good	27.856 \| good	0.663 \| good
2026-01-21T05:00:00.000Z	71 \| moderate	19.506 \| fine	40.74 \| good	14.09 \| good	0.471 \| good	31.435 \| good	0.792 \| good
2026-01-21T06:00:00.000Z	75 \| moderate	21.516 \| fine	57.118 \| fine	13.113 \| good	0.412 \| good	32.449 \| good	0.978 \| good
2026-01-21T07:00:00.000Z	69 \| moderate	19.401 \| fine	63.576 \| fine	8.942 \| good	0.461 \| good	32.449 \| good	0.983 \| good
2026-01-21T08:00:00.000Z	79 \| moderate	23.702 \| fine	77.768 \| fine	7.693 \| good	0.505 \| good	21.258 \| good	0.58 \| good
2026-01-21T09:00:00.000Z	79 \| moderate	23.557 \| fine	100.601 \| fine	8.165 \| good	0.294 \| good	9.678 \| good	0.456 \| good
2026-01-21T10:00:00.000Z	79 \| moderate	23.803 \| fine	79.954 \| fine	8.898 \| good	0.333 \| good	10.64 \| good	0.445 \| good
2026-01-21T11:00:00.000Z	84 \| moderate	27.378 \| fine	69.891 \| fine	10.934 \| good	0.442 \| good	14.234 \| good	0.464 \| good
2026-01-21T12:00:00.000Z	86 \| moderate	28.351 \| fine	76.176 \| fine	11.724 \| good	0.426 \| good	15.075 \| good	0.419 \| good
2026-01-21T13:00:00.000Z	94 \| moderate	31.9 \| fine	68.871 \| fine	12.607 \| good	0.369 \| good	15.075 \| good	0.419 \| good
2026-01-21T14:00:00.000Z	115 \| sensitive	40.636 \| moderate	112.368 \| fine	10.876 \| good	0.69 \| good	20.973 \| good	0.535 \| good
2026-01-21T15:00:00.000Z	99 \| moderate	34.97 \| fine	113.302 \| fine	9.674 \| good	0.482 \| good	23.782 \| good	0.578 \| good
2026-01-21T16:00:00.000Z	97 \| moderate	33.546 \| fine	109.669 \| fine	9.952 \| good	0.563 \| good	23.638 \| good	0.706 \| good
2026-01-21T17:00:00.000Z	92 \| moderate	30.878 \| fine	98.283 \| fine	12.72 \| good	0.461 \| good	21.761 \| good	0.662 \| good
2026-01-21T18:00:00.000Z	96 \| moderate	32.953 \| fine	119.278 \| fine	11.368 \| good	0.427 \| good	22.249 \| good	0.669 \| good
2026-01-21T19:00:00.000Z	88 \| moderate	28.644 \| fine	106.796 \| fine	13.895 \| good	0.496 \| good	23.489 \| good	0.764 \| good
2026-01-21T20:00:00.000Z	88 \| moderate	29.378 \| fine	114.799 \| fine	15.891 \| good	0.524 \| good	23.375 \| good	0.669 \| good
2026-01-21T21:00:00.000Z	96 \| moderate	33.316 \| fine	117.086 \| fine	19.096 \| good	0.448 \| good	24.687 \| good	0.72 \| good
2026-01-21T22:00:00.000Z	84 \| moderate	26.895 \| fine	82.484 \| fine	19.961 \| good	0.588 \| good	23.67 \| good	0.717 \| good
2026-01-21T23:00:00.000Z	81 \| moderate	24.553 \| fine	87.236 \| fine	21.16 \| good	0.482 \| good	24.862 \| good	0.644 \| good
2026-01-22T00:00:00.000Z	79 \| moderate	24.229 \| fine	68.412 \| fine	21.668 \| good	0.461 \| good	24.5 \| good	0.643 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.473 \| fine	64.68 \| fine	20.741 \| good	0.37 \| good	26.379 \| good	0.699 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.103 \| fine	63.777 \| fine	18.867 \| good	0.334 \| good	26.967 \| good	0.691 \| good
2026-01-22T03:00:00.000Z	92 \| moderate	31.05 \| fine	71.514 \| fine	15.747 \| good	0.424 \| good	28.903 \| good	0.753 \| good
2026-01-22T04:00:00.000Z	90 \| moderate	29.547 \| fine	78.159 \| fine	13.22 \| good	0.493 \| good	29.474 \| good	0.74 \| good
2026-01-22T05:00:00.000Z	94 \| moderate	32.176 \| fine	73.036 \| fine	11.688 \| good	0.754 \| good	28.882 \| good	0.733 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.504 \| fine	77.096 \| fine	9.812 \| good	0.553 \| good	31.017 \| good	0.834 \| good
2026-01-22T07:00:00.000Z	96 \| moderate	32.752 \| fine	78.004 \| fine	11.023 \| good	0.587 \| good	30.297 \| good	0.914 \| good
2026-01-22T08:00:00.000Z	90 \| moderate	29.911 \| fine	63.974 \| fine	7.726 \| good	0.613 \| good	29.589 \| good	0.895 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T09:00:00.000Z	94 \| moderate	32.159 \| fine	83.69 \| fine	4.277 \| good	0.585 \| good	28.196 \| good	0.816 \| good
2026-01-22T10:00:00.000Z	122 \| sensitive	43.631 \| moderate	194.889 \| moderate	0.65 \| good	6.606 \| good	34.645 \| good	0.512 \| good
2026-01-22T11:00:00.000Z	115 \| sensitive	41.295 \| moderate	183.812 \| moderate	0.763 \| good	6.743 \| good	34.736 \| good	0.493 \| good
2026-01-22T12:00:00.000Z	115 \| sensitive	41.422 \| moderate	183.758 \| moderate	1.699 \| good	6.88 \| good	34.826 \| good	0.474 \| good
2026-01-22T13:00:00.000Z	124 \| sensitive	44.696 \| moderate	199.656 \| moderate	1.294 \| good	6.845 \| good	34.717 \| good	0.486 \| good
2026-01-22T14:00:00.000Z	128 \| sensitive	46.327 \| moderate	208.522 \| moderate	0.57 \| good	6.81 \| good	34.609 \| good	0.499 \| good
2026-01-22T15:00:00.000Z	156 \| unhealthy	61.675 \| poor	261.522 \| poor	0.499 \| good	6.775 \| good	34.5 \| good	0.511 \| good
2026-01-22T16:00:00.000Z	156 \| unhealthy	62.982 \| poor	262.323 \| poor	2.316 \| good	6.633 \| good	31.271 \| good	0.467 \| good
2026-01-22T17:00:00.000Z	156 \| unhealthy	62.028 \| poor	260.588 \| poor	11.787 \| good	6.492 \| good	28.042 \| good	0.423 \| good
2026-01-22T18:00:00.000Z	157 \| unhealthy	64.476 \| poor	263.936 \| poor	12.606 \| good	6.351 \| good	24.813 \| good	0.379 \| good
2026-01-22T19:00:00.000Z	132 \| sensitive	47.896 \| moderate	215.973 \| moderate	25.043 \| good	5.322 \| good	21.071 \| good	0.322 \| good
2026-01-22T20:00:00.000Z	86 \| moderate	27.664 \| fine	120.261 \| fine	30.242 \| good	4.293 \| good	17.329 \| good	0.265 \| good
2026-01-22T21:00:00.000Z	33 \| good	5.732 \| good	25.236 \| good	31.783 \| good	3.263 \| good	13.586 \| good	0.208 \| good
2026-01-22T22:00:00.000Z	30 \| good	1.47 \| good	5.935 \| good	31.673 \| good	3.204 \| good	13.708 \| good	0.202 \| good
2026-01-22T23:00:00.000Z	29 \| good	1.36 \| good	5.367 \| good	31.193 \| good	3.144 \| good	13.831 \| good	0.195 \| good
2026-01-23T00:00:00.000Z	26 \| good	2.852 \| good	11.802 \| good	27.693 \| good	3.084 \| good	13.953 \| good	0.188 \| good
2026-01-23T01:00:00.000Z	33 \| good	5.93 \| good	25.742 \| good	20.828 \| good	3.539 \| good	22.042 \| good	0.241 \| good
2026-01-23T02:00:00.000Z	56 \| moderate	12.023 \| good	53.198 \| good	7.37 \| good	3.994 \| good	30.131 \| good	0.294 \| good
2026-01-23T03:00:00.000Z	75 \| moderate	22.27 \| fine	97.839 \| fine	2.085 \| good	4.449 \| good	38.219 \| good	0.347 \| good
2026-01-23T04:00:00.000Z	88 \| moderate	28.583 \| fine	124.242 \| fine	2.085 \| good	5.159 \| good	38.315 \| good	0.381 \| good
2026-01-23T05:00:00.000Z	92 \| moderate	30.829 \| fine	133.64 \| fine	2.617 \| good	5.87 \| good	38.411 \| good	0.416 \| good
2026-01-23T06:00:00.000Z	90 \| moderate	30.077 \| fine	130.476 \| fine	3.279 \| good	6.58 \| good	38.507 \| good	0.45 \| good
2026-01-23T07:00:00.000Z	88 \| moderate	28.743 \| fine	124.944 \| fine	3.317 \| good	6.654 \| good	38.454 \| good	0.456 \| good
2026-01-23T08:00:00.000Z	92 \| moderate	31.12 \| fine	135.066 \| fine	2.321 \| good	6.728 \| good	38.401 \| good	0.462 \| good
2026-01-23T09:00:00.000Z	96 \| moderate	32.602 \| fine	141.362 \| fine	2.985 \| good	6.802 \| good	38.347 \| good	0.469 \| good
2026-01-23T10:00:00.000Z	90 \| moderate	29.67 \| fine	129.145 \| fine	2.787 \| good	6.691 \| good	37.229 \| good	0.437 \| good
2026-01-23T11:00:00.000Z	88 \| moderate	29.308 \| fine	127.602 \| fine	2.729 \| good	6.579 \| good	36.11 \| good	0.405 \| good
2026-01-23T12:00:00.000Z	88 \| moderate	29.007 \| fine	125.783 \| fine	1.94 \| good	6.467 \| good	34.992 \| good	0.373 \| good
2026-01-23T13:00:00.000Z	88 \| moderate	29.251 \| fine	126.802 \| fine	1.337 \| good	6.963 \| good	34.579 \| good	0.376 \| good
2026-01-23T14:00:00.000Z	99 \| moderate	35.101 \| fine	152.042 \| fine	0.728 \| good	7.458 \| good	34.165 \| good	0.379 \| good
2026-01-23T15:00:00.000Z	92 \| moderate	31.47 \| fine	136.241 \| fine	0.673 \| good	7.953 \| good	33.752 \| good	0.381 \| good
2026-01-23T16:00:00.000Z	84 \| moderate	27.296 \| fine	118.936 \| fine	2.034 \| good	6.884 \| good	28.754 \| good	0.316 \| good
2026-01-23T17:00:00.000Z	96 \| moderate	32.91 \| fine	141.902 \| fine	4.742 \| good	5.814 \| good	23.757 \| good	0.25 \| good
2026-01-23T18:00:00.000Z	88 \| moderate	29.016 \| fine	125.861 \| fine	11.003 \| good	4.744 \| good	18.759 \| good	0.185 \| good
2026-01-23T19:00:00.000Z	82 \| moderate	25.782 \| fine	111.934 \| fine	20.09 \| good	4.475 \| good	16.629 \| good	0.175 \| good
2026-01-23T20:00:00.000Z	75 \| moderate	21.982 \| fine	96.413 \| fine	28.245 \| good	4.205 \| good	14.5 \| good	0.165 \| good
2026-01-23T21:00:00.000Z	73 \| moderate	20.683 \| fine	90.556 \| fine	34.335 \| good	3.936 \| good	12.371 \| good	0.155 \| good
2026-01-23T22:00:00.000Z	66 \| moderate	16.93 \| fine	75.469 \| fine	38.305 \| good	4.244 \| good	13.322 \| good	0.157 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	13.753 \| fine	61.98 \| fine	38.309 \| good	4.552 \| good	14.272 \| good	0.159 \| good
2026-01-24T00:00:00.000Z	64 \| moderate	16.088 \| fine	71.463 \| fine	38.862 \| good	4.861 \| good	15.223 \| good	0.161 \| good
2026-01-24T01:00:00.000Z	69 \| moderate	18.605 \| fine	82.038 \| fine	33.799 \| good	5.055 \| good	19.574 \| good	0.186 \| good
2026-01-24T02:00:00.000Z	67 \| moderate	18.22 \| fine	80.704 \| fine	27.964 \| good	5.25 \| good	23.924 \| good	0.21 \| good
2026-01-24T03:00:00.000Z	81 \| moderate	24.901 \| fine	108.783 \| fine	24.174 \| good	5.445 \| good	28.275 \| good	0.235 \| good
2026-01-24T04:00:00.000Z	86 \| moderate	27.979 \| fine	121.358 \| fine	15.845 \| good	5.557 \| good	28.212 \| good	0.232 \| good
2026-01-24T05:00:00.000Z	86 \| moderate	28.364 \| fine	123.372 \| fine	11.528 \| good	5.67 \| good	28.148 \| good	0.229 \| good
2026-01-24T06:00:00.000Z	75 \| moderate	21.95 \| fine	22.927 \| good	8.465 \| good	5.882 \| good	28.462 \| good	0.226 \| good
2026-01-24T07:00:00.000Z	92 \| moderate	31.385 \| fine	135.536 \| fine	7.421 \| good	5.824 \| good	27.663 \| good	0.22 \| good
2026-01-24T08:00:00.000Z	96 \| moderate	33.23 \| fine	143.552 \| fine	9.358 \| good	5.866 \| good	27.242 \| good	0.214 \| good
2026-01-24T09:00:00.000Z	102 \| sensitive	35.703 \| moderate	155.662 \| moderate	5.896 \| good	5.908 \| good	26.82 \| good	0.208 \| good

Brea, California live air quality index now

Major air pollutants in Brea, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Brea, California air quality map: Track AQI near you

Air quality in nearby cities

La Habra, California

Fullerton, California

Placentia, California

Rowland Heights, California

East Whittier, California

Yorba Linda, California

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What is the current concentration of PM2.5 in Brea, California?

What is the current concentration of PM10 in Brea, California?

What is the current concentration of carbon monoxide (CO) in Brea, California?

What is the current concentration of sulfur dioxide (SO2) in Brea, California?

What is the current concentration of ozone (O3) in Brea, California?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Brea, California?

What is the current concentration of PM₁₀ in Brea, California?

What is the current concentration of sulfur dioxide (SO₂) in Brea, California?

What is the current concentration of ozone (O₃) in Brea, California?

What is the current concentration of nitrogen dioxide (NO₂) in Brea, California?