What is the current level of PM10 in Placentia, California?

Placentia, California currently has a PM10 concentration of 58.153 μg/m3.

What is the current level of sulfur dioxide (SO2) in Placentia, California?

The current sulfur dioxide (SO2) concentration in Placentia, California is 0.665 ppb.

What is the current level of ozone (O3) in Placentia, California?

Placentia, California currently has an ozone (O3) concentration of 3.304 ppm.

What is the current level of nitrogen dioxide (NO2) in Placentia, California?

The current level of nitrogen dioxide (NO2) in Placentia, California is 19.977 ppb.

Current air quality index in Placentia, California today

Q: What is the PM2.5 concentration in Placentia, California right now?

Placentia, California currently has a PM2.5 concentration of 25.116 μg/m3.

Stay updated with real-time air quality in Placentia, 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

Placentia, California

Last updated: ... (Local time)

Common air pollutants in Placentia, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

25.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

58.15 μg/m³

155

255

425

605+

Ozone (O₃)

3.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.67 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

1.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Placentia, California

Get Live Pollen Counts

Placentia, California

Scroll To Air Quality Map

Track live Placentia, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T18:00:00.000Z	79 \| moderate	24.078 \| fine	61.854 \| fine	12.528 \| good	0.51 \| good	23.003 \| good	0.636 \| good
2026-01-21T19:00:00.000Z	73 \| moderate	20.829 \| fine	56.578 \| fine	17.885 \| good	0.625 \| good	26.034 \| good	0.782 \| good
2026-01-21T20:00:00.000Z	69 \| moderate	19.173 \| fine	66.261 \| fine	20.842 \| good	0.645 \| good	25.028 \| good	0.683 \| good
2026-01-21T21:00:00.000Z	84 \| moderate	27.132 \| fine	60 \| fine	25.716 \| good	0.455 \| good	27.719 \| good	0.759 \| good
2026-01-21T22:00:00.000Z	75 \| moderate	22.428 \| fine	49.629 \| good	25.563 \| good	0.521 \| good	27.599 \| good	0.756 \| good
2026-01-21T23:00:00.000Z	64 \| moderate	15.992 \| fine	46.456 \| good	27.789 \| good	0.537 \| good	28.131 \| good	0.721 \| good
2026-01-22T00:00:00.000Z	69 \| moderate	19.331 \| fine	48.397 \| good	28.67 \| good	0.607 \| good	23.981 \| good	0.721 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.372 \| fine	61.992 \| fine	27.72 \| good	0.421 \| good	27.727 \| good	0.796 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.317 \| fine	61.147 \| fine	24.42 \| good	0.404 \| good	27.605 \| good	0.746 \| good
2026-01-22T03:00:00.000Z	88 \| moderate	29.238 \| fine	60.749 \| fine	18.384 \| good	0.425 \| good	30.561 \| good	0.825 \| good
2026-01-22T04:00:00.000Z	88 \| moderate	29.012 \| fine	66.252 \| fine	14.944 \| good	0.483 \| good	31.389 \| good	0.819 \| good
2026-01-22T05:00:00.000Z	96 \| moderate	33.433 \| fine	66.373 \| fine	14.726 \| good	0.766 \| good	28.734 \| good	0.767 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	35.36 \| fine	80.779 \| fine	11.266 \| good	0.545 \| good	31.982 \| good	0.915 \| good
2026-01-22T07:00:00.000Z	97 \| moderate	33.794 \| fine	85.291 \| fine	14.38 \| good	0.57 \| good	31.822 \| good	0.955 \| good
2026-01-22T08:00:00.000Z	84 \| moderate	26.919 \| fine	58.805 \| fine	9.821 \| good	0.591 \| good	31.048 \| good	0.994 \| good
2026-01-22T09:00:00.000Z	81 \| moderate	25.19 \| fine	61.032 \| fine	4.619 \| good	0.553 \| good	28.102 \| good	0.906 \| good
2026-01-22T10:00:00.000Z	82 \| moderate	26.282 \| fine	74.172 \| fine	5.133 \| good	0.541 \| good	27.105 \| good	0.758 \| good
2026-01-22T11:00:00.000Z	81 \| moderate	24.867 \| fine	75.677 \| fine	8.955 \| good	0.514 \| good	27.378 \| good	0.643 \| good
2026-01-22T12:00:00.000Z	90 \| moderate	30.241 \| fine	80.507 \| fine	5.371 \| good	0.667 \| good	26.972 \| good	0.654 \| good
2026-01-22T13:00:00.000Z	88 \| moderate	29.378 \| fine	66.28 \| fine	7.842 \| good	0.666 \| good	27.093 \| good	0.655 \| good
2026-01-22T14:00:00.000Z	84 \| moderate	26.8 \| fine	64.657 \| fine	5.175 \| good	0.467 \| good	27.418 \| good	0.898 \| good
2026-01-22T15:00:00.000Z	82 \| moderate	25.901 \| fine	73.955 \| fine	6.254 \| good	0.555 \| good	25.804 \| good	1.054 \| good
2026-01-22T16:00:00.000Z	81 \| moderate	25.226 \| fine	53.926 \| good	8.4 \| good	0.648 \| good	26.747 \| good	0.932 \| good
2026-01-22T17:00:00.000Z	90 \| moderate	29.581 \| fine	59.59 \| fine	10.411 \| good	0.732 \| good	26.786 \| good	0.782 \| good
2026-01-22T18:00:00.000Z	127 \| sensitive	45.852 \| moderate	87.538 \| fine	13.4 \| good	0.624 \| good	20.248 \| good	0.553 \| good
2026-01-22T19:00:00.000Z	92 \| moderate	31.192 \| fine	52.707 \| good	14.292 \| good	0.525 \| good	24.97 \| good	0.697 \| good
2026-01-22T20:00:00.000Z	92 \| moderate	30.609 \| fine	65.727 \| fine	16.564 \| good	0.494 \| good	25.23 \| good	0.584 \| good
2026-01-22T21:00:00.000Z	82 \| moderate	25.729 \| fine	53.266 \| good	17.863 \| good	0.519 \| good	24.188 \| good	0.576 \| good
2026-01-22T22:00:00.000Z	92 \| moderate	31.404 \| fine	63.779 \| fine	19.021 \| good	0.699 \| good	24.438 \| good	0.568 \| good
2026-01-22T23:00:00.000Z	86 \| moderate	28.171 \| fine	55.341 \| fine	17.526 \| good	0.554 \| good	30.126 \| good	0.711 \| good
2026-01-23T00:00:00.000Z	94 \| moderate	32.215 \| fine	54.69 \| good	21.581 \| good	0.332 \| good	30.155 \| good	0.786 \| good
2026-01-23T01:00:00.000Z	69 \| moderate	18.649 \| fine	35.825 \| good	16.267 \| good	0.347 \| good	21.579 \| good	0.561 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	14.461 \| fine	31.709 \| good	15.777 \| good	0.354 \| good	22.594 \| good	0.566 \| good
2026-01-23T03:00:00.000Z	56 \| moderate	12.135 \| fine	39.114 \| good	15.985 \| good	0.293 \| good	25.315 \| good	0.561 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	15.987 \| fine	39.704 \| good	18.531 \| good	0.326 \| good	25.038 \| good	0.48 \| good
2026-01-23T05:00:00.000Z	62 \| moderate	15.109 \| fine	39.067 \| good	13.463 \| good	0.558 \| good	29.741 \| good	0.774 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	15.058 \| fine	43.162 \| good	11.879 \| good	0.443 \| good	27.965 \| good	0.772 \| good
2026-01-23T07:00:00.000Z	69 \| moderate	18.527 \| fine	38.398 \| good	12.125 \| good	0.435 \| good	27.831 \| good	0.772 \| good
2026-01-23T08:00:00.000Z	71 \| moderate	20.132 \| fine	51.76 \| good	5.805 \| good	0.633 \| good	25.561 \| good	0.728 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.419 \| good	30.586 \| good	5.861 \| good	0.388 \| good	24.381 \| good	0.875 \| good
2026-01-23T10:00:00.000Z	67 \| moderate	17.581 \| fine	35.995 \| good	9.018 \| good	0.482 \| good	23.442 \| good	0.938 \| good
2026-01-23T11:00:00.000Z	64 \| moderate	16.294 \| fine	34.373 \| good	7.243 \| good	0.428 \| good	22.097 \| good	0.719 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.41 \| fine	36.213 \| good	6.668 \| good	0.448 \| good	19.93 \| good	0.576 \| good
2026-01-23T13:00:00.000Z	69 \| moderate	18.864 \| fine	32.428 \| good	4.68 \| good	0.449 \| good	19.875 \| good	0.576 \| good
2026-01-23T14:00:00.000Z	75 \| moderate	21.758 \| fine	40.094 \| good	3.714 \| good	0.281 \| good	21.045 \| good	0.621 \| good
2026-01-23T15:00:00.000Z	79 \| moderate	24.123 \| fine	36.923 \| good	3.631 \| good	0.524 \| good	21.294 \| good	0.919 \| good
2026-01-23T16:00:00.000Z	79 \| moderate	24.243 \| fine	46.832 \| good	3.741 \| good	0.658 \| good	20.855 \| good	1.261 \| good
2026-01-23T17:00:00.000Z	81 \| moderate	25.116 \| fine	58.153 \| fine	3.304 \| good	0.665 \| good	19.977 \| good	1.262 \| good
2026-01-23T18:00:00.000Z	64 \| moderate	15.543 \| fine	69.264 \| fine	21.276 \| good	3.533 \| good	14.782 \| good	0.218 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	14.966 \| fine	66.546 \| fine	26.032 \| good	3.805 \| good	14.235 \| good	0.203 \| good
2026-01-23T20:00:00.000Z	67 \| moderate	17.995 \| fine	79.479 \| fine	31.404 \| good	4.078 \| good	13.687 \| good	0.189 \| good
2026-01-23T21:00:00.000Z	69 \| moderate	19.018 \| fine	83.953 \| fine	33.365 \| good	4.351 \| good	13.14 \| good	0.174 \| good
2026-01-23T22:00:00.000Z	64 \| moderate	15.913 \| fine	70.877 \| fine	32.899 \| good	4.506 \| good	14.082 \| good	0.171 \| good
2026-01-23T23:00:00.000Z	56 \| moderate	12.004 \| good	53.484 \| good	32.335 \| good	4.661 \| good	15.024 \| good	0.169 \| good
2026-01-24T00:00:00.000Z	31 \| good	1.24 \| good	4.827 \| good	32.915 \| good	4.816 \| good	15.965 \| good	0.166 \| good
2026-01-24T01:00:00.000Z	33 \| good	6.207 \| good	27.403 \| good	31.705 \| good	4.822 \| good	20.262 \| good	0.196 \| good
2026-01-24T02:00:00.000Z	33 \| good	5.886 \| good	25.892 \| good	25.354 \| good	4.828 \| good	24.559 \| good	0.226 \| good
2026-01-24T03:00:00.000Z	49 \| good	9.059 \| good	40.171 \| good	21.997 \| good	4.834 \| good	28.857 \| good	0.255 \| good
2026-01-24T04:00:00.000Z	58 \| moderate	12.837 \| fine	57.897 \| fine	13.022 \| good	5.077 \| good	28.809 \| good	0.265 \| good
2026-01-24T05:00:00.000Z	54 \| moderate	10.77 \| good	47.713 \| good	11.373 \| good	5.321 \| good	28.761 \| good	0.275 \| good
2026-01-24T06:00:00.000Z	38 \| good	7.125 \| good	31.321 \| good	11.343 \| good	5.564 \| good	28.713 \| good	0.285 \| good
2026-01-24T07:00:00.000Z	27 \| good	5.494 \| good	24.184 \| good	13.998 \| good	5.489 \| good	27.513 \| good	0.283 \| good
2026-01-24T08:00:00.000Z	33 \| good	6.158 \| good	27.017 \| good	15.051 \| good	5.414 \| good	26.313 \| good	0.281 \| good
2026-01-24T09:00:00.000Z	54 \| moderate	10.749 \| good	47.982 \| good	15.71 \| good	5.338 \| good	25.113 \| good	0.278 \| good
2026-01-24T10:00:00.000Z	54 \| moderate	10.876 \| good	48.823 \| good	19.147 \| good	5.243 \| good	24.124 \| good	0.269 \| good
2026-01-24T11:00:00.000Z	56 \| moderate	11.886 \| good	53.464 \| good	25.376 \| good	5.148 \| good	23.135 \| good	0.259 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	11.193 \| good	49.743 \| good	23.074 \| good	5.053 \| good	22.146 \| good	0.25 \| good
2026-01-24T13:00:00.000Z	52 \| moderate	9.505 \| good	42.382 \| good	23.718 \| good	5.021 \| good	21.705 \| good	0.257 \| good
2026-01-24T14:00:00.000Z	56 \| moderate	11.621 \| good	51.671 \| good	22.732 \| good	4.989 \| good	21.264 \| good	0.263 \| good
2026-01-24T15:00:00.000Z	52 \| moderate	9.683 \| good	43.209 \| good	23.265 \| good	4.957 \| good	20.823 \| good	0.27 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.298 \| good	27.903 \| good	25.886 \| good	4.866 \| good	17.246 \| good	0.242 \| good
2026-01-24T17:00:00.000Z	44 \| good	7.519 \| good	32.798 \| good	27.651 \| good	4.774 \| good	13.669 \| good	0.214 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.047 \| good	26.958 \| good	29.675 \| good	4.683 \| good	10.092 \| good	0.187 \| good
2026-01-24T19:00:00.000Z	30 \| good	1.09 \| good	4.251 \| good	32.209 \| good	4.522 \| good	9.33 \| good	0.182 \| good
2026-01-24T20:00:00.000Z	31 \| good	3.025 \| good	12.636 \| good	34.336 \| good	4.36 \| good	8.567 \| good	0.177 \| good
2026-01-24T21:00:00.000Z	32 \| good	3.804 \| good	16.878 \| good	35.33 \| good	4.199 \| good	7.805 \| good	0.173 \| good
2026-01-24T22:00:00.000Z	38 \| good	7.172 \| good	31.672 \| good	35.963 \| good	4.119 \| good	8.174 \| good	0.172 \| good
2026-01-24T23:00:00.000Z	54 \| moderate	10.521 \| good	46.471 \| good	35.269 \| good	4.039 \| good	8.542 \| good	0.171 \| good
2026-01-25T00:00:00.000Z	31 \| good	2.816 \| good	11.733 \| good	33.053 \| good	3.958 \| good	8.911 \| good	0.17 \| good
2026-01-25T01:00:00.000Z	44 \| good	8.46 \| good	37.365 \| good	28.895 \| good	4.073 \| good	14.461 \| good	0.2 \| good
2026-01-25T02:00:00.000Z	54 \| moderate	10.649 \| good	47.114 \| good	24.109 \| good	4.188 \| good	20.011 \| good	0.23 \| good
2026-01-25T03:00:00.000Z	60 \| moderate	13.686 \| fine	61.102 \| fine	16.649 \| good	4.303 \| good	25.561 \| good	0.26 \| good
2026-01-25T04:00:00.000Z	69 \| moderate	19.252 \| fine	84.715 \| fine	8.474 \| good	4.666 \| good	26.128 \| good	0.288 \| good
2026-01-25T05:00:00.000Z	71 \| moderate	19.539 \| fine	85.966 \| fine	4.438 \| good	5.028 \| good	26.696 \| good	0.316 \| good
2026-01-25T06:00:00.000Z	67 \| moderate	18.41 \| fine	81.108 \| fine	4.84 \| good	5.391 \| good	27.263 \| good	0.343 \| good
2026-01-25T07:00:00.000Z	71 \| moderate	20.301 \| fine	89.423 \| fine	5.291 \| good	4.819 \| good	26.636 \| good	0.331 \| good
2026-01-25T08:00:00.000Z	79 \| moderate	24.138 \| fine	105.569 \| fine	3.011 \| good	4.247 \| good	26.009 \| good	0.319 \| good
2026-01-25T09:00:00.000Z	81 \| moderate	24.644 \| fine	107.315 \| fine	2.973 \| good	3.676 \| good	25.382 \| good	0.308 \| good
2026-01-25T10:00:00.000Z	71 \| moderate	20.159 \| fine	89.094 \| fine	5.456 \| good	3.09 \| good	24.922 \| good	0.294 \| good
2026-01-25T11:00:00.000Z	64 \| moderate	16.03 \| fine	71.296 \| fine	8.851 \| good	2.505 \| good	24.461 \| good	0.281 \| good
2026-01-25T12:00:00.000Z	62 \| moderate	14.566 \| fine	65.402 \| fine	7.1 \| good	1.92 \| good	24 \| good	0.268 \| good
2026-01-25T13:00:00.000Z	62 \| moderate	15.209 \| fine	67.818 \| fine	6.395 \| good	1.924 \| good	23.725 \| good	0.258 \| good
2026-01-25T14:00:00.000Z	56 \| moderate	12.419 \| fine	54.994 \| good	6.801 \| good	1.929 \| good	23.451 \| good	0.249 \| good
2026-01-25T15:00:00.000Z	56 \| moderate	11.504 \| good	50.944 \| good	7.163 \| good	1.933 \| good	23.177 \| good	0.239 \| good
2026-01-25T16:00:00.000Z	56 \| moderate	12.287 \| fine	54.761 \| good	12.215 \| good	2.031 \| good	21.699 \| good	0.25 \| good
2026-01-25T17:00:00.000Z	73 \| moderate	20.894 \| fine	91.46 \| fine	16.954 \| good	2.129 \| good	20.222 \| good	0.26 \| good

Placentia

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Placentia, California

1.22ppm

How accurate is California, USA air quality data?

The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Placentia, California get updated?

Air quality updates for Placentia, California are available every hour.

What time in the past 24 hours saw the poorest air quality in Placentia, California?

Placentia, California experienced its worst air quality at 06:00:00, 2026-01-22.

When was air quality in Placentia, California the best over the past 24 hours?

The best air quality in Placentia, California was observed at 09:00:00 on 2026-01-23.

What is the air quality in Placentia, California right now?

The air quality in Placentia, California right now is Moderate, with an AQI of 81.

What pollutant is most frequently found in Placentia, California?

In Placentia, California, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Placentia, California is poor?

When air quality in Placentia, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Placentia, California right now?

Placentia, California currently has a PM_2.5 concentration of 25.116 μg/m³.

What is the current level of PM₁₀ in Placentia, California?

Placentia, California currently has a PM₁₀ concentration of 58.153 μg/m³.

What is the current level of carbon monoxide (CO) in Placentia, California?

The current carbon monoxide (CO) level in Placentia, California is 1.262 ppm.

What is the current level of sulfur dioxide (SO₂) in Placentia, California?

The current sulfur dioxide (SO₂) concentration in Placentia, California is 0.665 ppb.

What is the current level of ozone (O₃) in Placentia, California?

Placentia, California currently has an ozone (O₃) concentration of 3.304 ppm.

What is the current level of nitrogen dioxide (NO₂) in Placentia, California?

The current level of nitrogen dioxide (NO₂) in Placentia, California is 19.977 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T18:00:00.000Z	79 \| moderate	24.078 \| fine	61.854 \| fine	12.528 \| good	0.51 \| good	23.003 \| good	0.636 \| good
2026-01-21T19:00:00.000Z	73 \| moderate	20.829 \| fine	56.578 \| fine	17.885 \| good	0.625 \| good	26.034 \| good	0.782 \| good
2026-01-21T20:00:00.000Z	69 \| moderate	19.173 \| fine	66.261 \| fine	20.842 \| good	0.645 \| good	25.028 \| good	0.683 \| good
2026-01-21T21:00:00.000Z	84 \| moderate	27.132 \| fine	60 \| fine	25.716 \| good	0.455 \| good	27.719 \| good	0.759 \| good
2026-01-21T22:00:00.000Z	75 \| moderate	22.428 \| fine	49.629 \| good	25.563 \| good	0.521 \| good	27.599 \| good	0.756 \| good
2026-01-21T23:00:00.000Z	64 \| moderate	15.992 \| fine	46.456 \| good	27.789 \| good	0.537 \| good	28.131 \| good	0.721 \| good
2026-01-22T00:00:00.000Z	69 \| moderate	19.331 \| fine	48.397 \| good	28.67 \| good	0.607 \| good	23.981 \| good	0.721 \| good
2026-01-22T01:00:00.000Z	81 \| moderate	25.372 \| fine	61.992 \| fine	27.72 \| good	0.421 \| good	27.727 \| good	0.796 \| good
2026-01-22T02:00:00.000Z	84 \| moderate	27.317 \| fine	61.147 \| fine	24.42 \| good	0.404 \| good	27.605 \| good	0.746 \| good
2026-01-22T03:00:00.000Z	88 \| moderate	29.238 \| fine	60.749 \| fine	18.384 \| good	0.425 \| good	30.561 \| good	0.825 \| good
2026-01-22T04:00:00.000Z	88 \| moderate	29.012 \| fine	66.252 \| fine	14.944 \| good	0.483 \| good	31.389 \| good	0.819 \| good
2026-01-22T05:00:00.000Z	96 \| moderate	33.433 \| fine	66.373 \| fine	14.726 \| good	0.766 \| good	28.734 \| good	0.767 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	35.36 \| fine	80.779 \| fine	11.266 \| good	0.545 \| good	31.982 \| good	0.915 \| good
2026-01-22T07:00:00.000Z	97 \| moderate	33.794 \| fine	85.291 \| fine	14.38 \| good	0.57 \| good	31.822 \| good	0.955 \| good
2026-01-22T08:00:00.000Z	84 \| moderate	26.919 \| fine	58.805 \| fine	9.821 \| good	0.591 \| good	31.048 \| good	0.994 \| good
2026-01-22T09:00:00.000Z	81 \| moderate	25.19 \| fine	61.032 \| fine	4.619 \| good	0.553 \| good	28.102 \| good	0.906 \| good
2026-01-22T10:00:00.000Z	82 \| moderate	26.282 \| fine	74.172 \| fine	5.133 \| good	0.541 \| good	27.105 \| good	0.758 \| good
2026-01-22T11:00:00.000Z	81 \| moderate	24.867 \| fine	75.677 \| fine	8.955 \| good	0.514 \| good	27.378 \| good	0.643 \| good
2026-01-22T12:00:00.000Z	90 \| moderate	30.241 \| fine	80.507 \| fine	5.371 \| good	0.667 \| good	26.972 \| good	0.654 \| good
2026-01-22T13:00:00.000Z	88 \| moderate	29.378 \| fine	66.28 \| fine	7.842 \| good	0.666 \| good	27.093 \| good	0.655 \| good
2026-01-22T14:00:00.000Z	84 \| moderate	26.8 \| fine	64.657 \| fine	5.175 \| good	0.467 \| good	27.418 \| good	0.898 \| good
2026-01-22T15:00:00.000Z	82 \| moderate	25.901 \| fine	73.955 \| fine	6.254 \| good	0.555 \| good	25.804 \| good	1.054 \| good
2026-01-22T16:00:00.000Z	81 \| moderate	25.226 \| fine	53.926 \| good	8.4 \| good	0.648 \| good	26.747 \| good	0.932 \| good
2026-01-22T17:00:00.000Z	90 \| moderate	29.581 \| fine	59.59 \| fine	10.411 \| good	0.732 \| good	26.786 \| good	0.782 \| good
2026-01-22T18:00:00.000Z	127 \| sensitive	45.852 \| moderate	87.538 \| fine	13.4 \| good	0.624 \| good	20.248 \| good	0.553 \| good
2026-01-22T19:00:00.000Z	92 \| moderate	31.192 \| fine	52.707 \| good	14.292 \| good	0.525 \| good	24.97 \| good	0.697 \| good
2026-01-22T20:00:00.000Z	92 \| moderate	30.609 \| fine	65.727 \| fine	16.564 \| good	0.494 \| good	25.23 \| good	0.584 \| good
2026-01-22T21:00:00.000Z	82 \| moderate	25.729 \| fine	53.266 \| good	17.863 \| good	0.519 \| good	24.188 \| good	0.576 \| good
2026-01-22T22:00:00.000Z	92 \| moderate	31.404 \| fine	63.779 \| fine	19.021 \| good	0.699 \| good	24.438 \| good	0.568 \| good
2026-01-22T23:00:00.000Z	86 \| moderate	28.171 \| fine	55.341 \| fine	17.526 \| good	0.554 \| good	30.126 \| good	0.711 \| good
2026-01-23T00:00:00.000Z	94 \| moderate	32.215 \| fine	54.69 \| good	21.581 \| good	0.332 \| good	30.155 \| good	0.786 \| good
2026-01-23T01:00:00.000Z	69 \| moderate	18.649 \| fine	35.825 \| good	16.267 \| good	0.347 \| good	21.579 \| good	0.561 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	14.461 \| fine	31.709 \| good	15.777 \| good	0.354 \| good	22.594 \| good	0.566 \| good
2026-01-23T03:00:00.000Z	56 \| moderate	12.135 \| fine	39.114 \| good	15.985 \| good	0.293 \| good	25.315 \| good	0.561 \| good
2026-01-23T04:00:00.000Z	64 \| moderate	15.987 \| fine	39.704 \| good	18.531 \| good	0.326 \| good	25.038 \| good	0.48 \| good
2026-01-23T05:00:00.000Z	62 \| moderate	15.109 \| fine	39.067 \| good	13.463 \| good	0.558 \| good	29.741 \| good	0.774 \| good
2026-01-23T06:00:00.000Z	62 \| moderate	15.058 \| fine	43.162 \| good	11.879 \| good	0.443 \| good	27.965 \| good	0.772 \| good
2026-01-23T07:00:00.000Z	69 \| moderate	18.527 \| fine	38.398 \| good	12.125 \| good	0.435 \| good	27.831 \| good	0.772 \| good
2026-01-23T08:00:00.000Z	71 \| moderate	20.132 \| fine	51.76 \| good	5.805 \| good	0.633 \| good	25.561 \| good	0.728 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.419 \| good	30.586 \| good	5.861 \| good	0.388 \| good	24.381 \| good	0.875 \| good
2026-01-23T10:00:00.000Z	67 \| moderate	17.581 \| fine	35.995 \| good	9.018 \| good	0.482 \| good	23.442 \| good	0.938 \| good
2026-01-23T11:00:00.000Z	64 \| moderate	16.294 \| fine	34.373 \| good	7.243 \| good	0.428 \| good	22.097 \| good	0.719 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.41 \| fine	36.213 \| good	6.668 \| good	0.448 \| good	19.93 \| good	0.576 \| good
2026-01-23T13:00:00.000Z	69 \| moderate	18.864 \| fine	32.428 \| good	4.68 \| good	0.449 \| good	19.875 \| good	0.576 \| good
2026-01-23T14:00:00.000Z	75 \| moderate	21.758 \| fine	40.094 \| good	3.714 \| good	0.281 \| good	21.045 \| good	0.621 \| good
2026-01-23T15:00:00.000Z	79 \| moderate	24.123 \| fine	36.923 \| good	3.631 \| good	0.524 \| good	21.294 \| good	0.919 \| good
2026-01-23T16:00:00.000Z	79 \| moderate	24.243 \| fine	46.832 \| good	3.741 \| good	0.658 \| good	20.855 \| good	1.261 \| good
2026-01-23T17:00:00.000Z	81 \| moderate	25.116 \| fine	58.153 \| fine	3.304 \| good	0.665 \| good	19.977 \| good	1.262 \| good
2026-01-23T18:00:00.000Z	64 \| moderate	15.543 \| fine	69.264 \| fine	21.276 \| good	3.533 \| good	14.782 \| good	0.218 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	14.966 \| fine	66.546 \| fine	26.032 \| good	3.805 \| good	14.235 \| good	0.203 \| good
2026-01-23T20:00:00.000Z	67 \| moderate	17.995 \| fine	79.479 \| fine	31.404 \| good	4.078 \| good	13.687 \| good	0.189 \| good
2026-01-23T21:00:00.000Z	69 \| moderate	19.018 \| fine	83.953 \| fine	33.365 \| good	4.351 \| good	13.14 \| good	0.174 \| good
2026-01-23T22:00:00.000Z	64 \| moderate	15.913 \| fine	70.877 \| fine	32.899 \| good	4.506 \| good	14.082 \| good	0.171 \| good
2026-01-23T23:00:00.000Z	56 \| moderate	12.004 \| good	53.484 \| good	32.335 \| good	4.661 \| good	15.024 \| good	0.169 \| good
2026-01-24T00:00:00.000Z	31 \| good	1.24 \| good	4.827 \| good	32.915 \| good	4.816 \| good	15.965 \| good	0.166 \| good
2026-01-24T01:00:00.000Z	33 \| good	6.207 \| good	27.403 \| good	31.705 \| good	4.822 \| good	20.262 \| good	0.196 \| good
2026-01-24T02:00:00.000Z	33 \| good	5.886 \| good	25.892 \| good	25.354 \| good	4.828 \| good	24.559 \| good	0.226 \| good
2026-01-24T03:00:00.000Z	49 \| good	9.059 \| good	40.171 \| good	21.997 \| good	4.834 \| good	28.857 \| good	0.255 \| good
2026-01-24T04:00:00.000Z	58 \| moderate	12.837 \| fine	57.897 \| fine	13.022 \| good	5.077 \| good	28.809 \| good	0.265 \| good
2026-01-24T05:00:00.000Z	54 \| moderate	10.77 \| good	47.713 \| good	11.373 \| good	5.321 \| good	28.761 \| good	0.275 \| good
2026-01-24T06:00:00.000Z	38 \| good	7.125 \| good	31.321 \| good	11.343 \| good	5.564 \| good	28.713 \| good	0.285 \| good
2026-01-24T07:00:00.000Z	27 \| good	5.494 \| good	24.184 \| good	13.998 \| good	5.489 \| good	27.513 \| good	0.283 \| good
2026-01-24T08:00:00.000Z	33 \| good	6.158 \| good	27.017 \| good	15.051 \| good	5.414 \| good	26.313 \| good	0.281 \| good
2026-01-24T09:00:00.000Z	54 \| moderate	10.749 \| good	47.982 \| good	15.71 \| good	5.338 \| good	25.113 \| good	0.278 \| good
2026-01-24T10:00:00.000Z	54 \| moderate	10.876 \| good	48.823 \| good	19.147 \| good	5.243 \| good	24.124 \| good	0.269 \| good
2026-01-24T11:00:00.000Z	56 \| moderate	11.886 \| good	53.464 \| good	25.376 \| good	5.148 \| good	23.135 \| good	0.259 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	11.193 \| good	49.743 \| good	23.074 \| good	5.053 \| good	22.146 \| good	0.25 \| good
2026-01-24T13:00:00.000Z	52 \| moderate	9.505 \| good	42.382 \| good	23.718 \| good	5.021 \| good	21.705 \| good	0.257 \| good
2026-01-24T14:00:00.000Z	56 \| moderate	11.621 \| good	51.671 \| good	22.732 \| good	4.989 \| good	21.264 \| good	0.263 \| good
2026-01-24T15:00:00.000Z	52 \| moderate	9.683 \| good	43.209 \| good	23.265 \| good	4.957 \| good	20.823 \| good	0.27 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.298 \| good	27.903 \| good	25.886 \| good	4.866 \| good	17.246 \| good	0.242 \| good
2026-01-24T17:00:00.000Z	44 \| good	7.519 \| good	32.798 \| good	27.651 \| good	4.774 \| good	13.669 \| good	0.214 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.047 \| good	26.958 \| good	29.675 \| good	4.683 \| good	10.092 \| good	0.187 \| good
2026-01-24T19:00:00.000Z	30 \| good	1.09 \| good	4.251 \| good	32.209 \| good	4.522 \| good	9.33 \| good	0.182 \| good
2026-01-24T20:00:00.000Z	31 \| good	3.025 \| good	12.636 \| good	34.336 \| good	4.36 \| good	8.567 \| good	0.177 \| good
2026-01-24T21:00:00.000Z	32 \| good	3.804 \| good	16.878 \| good	35.33 \| good	4.199 \| good	7.805 \| good	0.173 \| good
2026-01-24T22:00:00.000Z	38 \| good	7.172 \| good	31.672 \| good	35.963 \| good	4.119 \| good	8.174 \| good	0.172 \| good
2026-01-24T23:00:00.000Z	54 \| moderate	10.521 \| good	46.471 \| good	35.269 \| good	4.039 \| good	8.542 \| good	0.171 \| good
2026-01-25T00:00:00.000Z	31 \| good	2.816 \| good	11.733 \| good	33.053 \| good	3.958 \| good	8.911 \| good	0.17 \| good
2026-01-25T01:00:00.000Z	44 \| good	8.46 \| good	37.365 \| good	28.895 \| good	4.073 \| good	14.461 \| good	0.2 \| good
2026-01-25T02:00:00.000Z	54 \| moderate	10.649 \| good	47.114 \| good	24.109 \| good	4.188 \| good	20.011 \| good	0.23 \| good
2026-01-25T03:00:00.000Z	60 \| moderate	13.686 \| fine	61.102 \| fine	16.649 \| good	4.303 \| good	25.561 \| good	0.26 \| good
2026-01-25T04:00:00.000Z	69 \| moderate	19.252 \| fine	84.715 \| fine	8.474 \| good	4.666 \| good	26.128 \| good	0.288 \| good
2026-01-25T05:00:00.000Z	71 \| moderate	19.539 \| fine	85.966 \| fine	4.438 \| good	5.028 \| good	26.696 \| good	0.316 \| good
2026-01-25T06:00:00.000Z	67 \| moderate	18.41 \| fine	81.108 \| fine	4.84 \| good	5.391 \| good	27.263 \| good	0.343 \| good
2026-01-25T07:00:00.000Z	71 \| moderate	20.301 \| fine	89.423 \| fine	5.291 \| good	4.819 \| good	26.636 \| good	0.331 \| good
2026-01-25T08:00:00.000Z	79 \| moderate	24.138 \| fine	105.569 \| fine	3.011 \| good	4.247 \| good	26.009 \| good	0.319 \| good
2026-01-25T09:00:00.000Z	81 \| moderate	24.644 \| fine	107.315 \| fine	2.973 \| good	3.676 \| good	25.382 \| good	0.308 \| good
2026-01-25T10:00:00.000Z	71 \| moderate	20.159 \| fine	89.094 \| fine	5.456 \| good	3.09 \| good	24.922 \| good	0.294 \| good
2026-01-25T11:00:00.000Z	64 \| moderate	16.03 \| fine	71.296 \| fine	8.851 \| good	2.505 \| good	24.461 \| good	0.281 \| good
2026-01-25T12:00:00.000Z	62 \| moderate	14.566 \| fine	65.402 \| fine	7.1 \| good	1.92 \| good	24 \| good	0.268 \| good
2026-01-25T13:00:00.000Z	62 \| moderate	15.209 \| fine	67.818 \| fine	6.395 \| good	1.924 \| good	23.725 \| good	0.258 \| good
2026-01-25T14:00:00.000Z	56 \| moderate	12.419 \| fine	54.994 \| good	6.801 \| good	1.929 \| good	23.451 \| good	0.249 \| good
2026-01-25T15:00:00.000Z	56 \| moderate	11.504 \| good	50.944 \| good	7.163 \| good	1.933 \| good	23.177 \| good	0.239 \| good
2026-01-25T16:00:00.000Z	56 \| moderate	12.287 \| fine	54.761 \| good	12.215 \| good	2.031 \| good	21.699 \| good	0.25 \| good
2026-01-25T17:00:00.000Z	73 \| moderate	20.894 \| fine	91.46 \| fine	16.954 \| good	2.129 \| good	20.222 \| good	0.26 \| good

Current air quality index in Placentia, California today

Common air pollutants in Placentia, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Placentia, California

Air quality in nearby cities

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Fullerton, California

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Frequently asked questions

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What is the current level of sulfur dioxide (SO2) in Placentia, 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 PM_2.5 concentration in Placentia, California right now?

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What is the current level of ozone (O₃) in Placentia, California?

What is the current level of nitrogen dioxide (NO₂) in Placentia, California?