What is the current concentration of PM10 in Walnut Park, California?

The current PM10 concentration at Walnut Park, California is 18.898 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Walnut Park, California is 0.295 ppb.

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

The current ozone (O3) concentration at Walnut Park, California is 36.705 ppm.

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

The current nitrogen dioxide (NO2) concentration at Walnut Park, California is 6.859 ppb.

Walnut Park, California live air quality index now

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

The current PM2.5 concentration at Walnut Park, California is 4.886 μg/m3.

Stay updated with real-time air quality in Walnut Park, 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

Walnut Park, California

Last updated: ... (Local time)

Major air pollutants in Walnut Park, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.89 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.90 μg/m³

155

255

425

605+

Ozone (O₃)

36.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.86 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Walnut Park, California

Scroll To Air Quality Map

Track live Walnut Park, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-08T06:00:00.000Z	38 \| good	7.014 \| good	28.098 \| good	23.631 \| good	0.307 \| good	25.79 \| good	0.705 \| good
2026-03-08T07:00:00.000Z	38 \| good	7.014 \| good	28.098 \| good	20.398 \| good	0.302 \| good	25.79 \| good	0.706 \| good
2026-03-08T08:00:00.000Z	33 \| good	5.856 \| good	24.028 \| good	16.3 \| good	0.301 \| good	27.616 \| good	0.55 \| good
2026-03-08T09:00:00.000Z	22 \| good	4.022 \| good	16.049 \| good	11.337 \| good	0.257 \| good	22.833 \| good	0.505 \| good
2026-03-08T10:00:00.000Z	22 \| good	4.022 \| good	16.049 \| good	11.337 \| good	0.26 \| good	22.833 \| good	0.505 \| good
2026-03-08T11:00:00.000Z	44 \| good	7.589 \| good	32.07 \| good	11.337 \| good	0.265 \| good	22.833 \| good	0.505 \| good
2026-03-08T12:00:00.000Z	44 \| good	7.589 \| good	32.07 \| good	11.337 \| good	0.301 \| good	6.889 \| good	0.291 \| good
2026-03-08T13:00:00.000Z	44 \| good	7.513 \| good	34.211 \| good	11.337 \| good	0.506 \| good	5.059 \| good	0.291 \| good
2026-03-08T14:00:00.000Z	33 \| good	5.962 \| good	25.737 \| good	10.783 \| good	0.415 \| good	26.354 \| good	0.877 \| good
2026-03-08T15:00:00.000Z	33 \| good	6.002 \| good	25.452 \| good	8.912 \| good	0.567 \| good	26.686 \| good	0.867 \| good
2026-03-08T16:00:00.000Z	27 \| good	5.305 \| good	22.665 \| good	11.575 \| good	0.571 \| good	22.417 \| good	1.012 \| good
2026-03-08T17:00:00.000Z	38 \| good	6.655 \| good	29.788 \| good	12.684 \| good	0.505 \| good	22.213 \| good	0.692 \| good
2026-03-08T18:00:00.000Z	49 \| good	8.76 \| good	38.879 \| good	22.835 \| good	0.434 \| good	19.555 \| good	0.518 \| good
2026-03-08T19:00:00.000Z	52 \| moderate	9.926 \| good	43.633 \| good	31.943 \| good	0.336 \| good	7.676 \| good	0.32 \| good
2026-03-08T20:00:00.000Z	33 \| good	5.977 \| good	27.94 \| good	36.393 \| good	0.302 \| good	4.17 \| good	0.202 \| good
2026-03-08T21:00:00.000Z	36 \| good	1.774 \| good	7.705 \| good	39.095 \| good	0.365 \| good	1.543 \| good	0.139 \| good
2026-03-08T22:00:00.000Z	43 \| good	2.126 \| good	9.248 \| good	45.685 \| good	0.678 \| good	1.457 \| good	0.139 \| good
2026-03-08T23:00:00.000Z	46 \| good	1.637 \| good	7.311 \| good	49.529 \| good	0.333 \| good	1.568 \| good	0.123 \| good
2026-03-09T00:00:00.000Z	44 \| good	2.445 \| good	10.544 \| good	47.627 \| good	0.266 \| good	1.808 \| good	0.135 \| good
2026-03-09T01:00:00.000Z	43 \| good	2.856 \| good	12.487 \| good	45.627 \| good	0.264 \| good	2.219 \| good	0.124 \| good
2026-03-09T02:00:00.000Z	40 \| good	3.338 \| good	16.508 \| good	42.891 \| good	0.342 \| good	4.427 \| good	0.169 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	9.988 \| good	44.192 \| good	29.47 \| good	2.067 \| good	37.854 \| good	0.351 \| good
2026-03-09T04:00:00.000Z	38 \| good	7.344 \| good	31.437 \| good	22.512 \| good	0.44 \| good	25.48 \| good	0.684 \| good
2026-03-09T05:00:00.000Z	33 \| good	6.185 \| good	26.36 \| good	24.615 \| good	0.531 \| good	20.535 \| good	0.476 \| good
2026-03-09T06:00:00.000Z	29 \| good	4.523 \| good	18.881 \| good	30.933 \| good	0.327 \| good	10.663 \| good	0.28 \| good
2026-03-09T07:00:00.000Z	29 \| good	4.523 \| good	18.881 \| good	30.933 \| good	0.338 \| good	10.663 \| good	0.279 \| good
2026-03-09T08:00:00.000Z	28 \| good	5.084 \| good	22.855 \| good	30.156 \| good	0.467 \| good	7.905 \| good	0.199 \| good
2026-03-09T09:00:00.000Z	31 \| good	4.537 \| good	20.712 \| good	33.099 \| good	0.362 \| good	4.118 \| good	0.134 \| good
2026-03-09T10:00:00.000Z	31 \| good	4.849 \| good	21.725 \| good	33.207 \| good	0.389 \| good	3.561 \| good	0.133 \| good
2026-03-09T11:00:00.000Z	27 \| good	4.734 \| good	19.484 \| good	28.57 \| good	0.549 \| good	7.859 \| good	0.212 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.087 \| good	20.448 \| good	22.55 \| good	0.422 \| good	14.17 \| good	0.233 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.087 \| good	20.448 \| good	22.55 \| good	0.426 \| good	14.17 \| good	0.233 \| good
2026-03-09T14:00:00.000Z	38 \| good	6.665 \| good	28.259 \| good	11.844 \| good	0.568 \| good	31.388 \| good	0.671 \| good
2026-03-09T15:00:00.000Z	44 \| good	7.977 \| good	35.689 \| good	10.373 \| good	0.642 \| good	30.971 \| good	0.735 \| good
2026-03-09T16:00:00.000Z	38 \| good	6.646 \| good	28.795 \| good	13.171 \| good	0.658 \| good	29.277 \| good	0.557 \| good
2026-03-09T17:00:00.000Z	49 \| good	9.379 \| good	41.095 \| good	24.021 \| good	0.59 \| good	13.674 \| good	0.283 \| good
2026-03-09T18:00:00.000Z	44 \| good	7.736 \| good	33.621 \| good	32.705 \| good	0.484 \| good	8.126 \| good	0.2 \| good
2026-03-09T19:00:00.000Z	38 \| good	6.59 \| good	27.94 \| good	37.959 \| good	0.435 \| good	4.661 \| good	0.178 \| good
2026-03-09T20:00:00.000Z	36 \| good	5.951 \| good	25.567 \| good	38.85 \| good	0.392 \| good	4.668 \| good	0.178 \| good
2026-03-09T21:00:00.000Z	39 \| good	6.515 \| good	27.466 \| good	42.104 \| good	0.429 \| good	5.449 \| good	0.19 \| good
2026-03-09T22:00:00.000Z	41 \| good	5.851 \| good	24.738 \| good	44.171 \| good	0.376 \| good	4.634 \| good	0.185 \| good
2026-03-09T23:00:00.000Z	40 \| good	4.595 \| good	19.736 \| good	43.415 \| good	0.402 \| good	6.044 \| good	0.23 \| good
2026-03-10T00:00:00.000Z	39 \| good	7.265 \| good	31.432 \| good	41.555 \| good	0.432 \| good	6.921 \| good	0.195 \| good
2026-03-10T01:00:00.000Z	38 \| good	6.083 \| good	26.976 \| good	40.56 \| good	0.345 \| good	5.625 \| good	0.162 \| good
2026-03-10T02:00:00.000Z	38 \| good	6.682 \| good	29.043 \| good	38.7 \| good	0.374 \| good	6.756 \| good	0.174 \| good
2026-03-10T03:00:00.000Z	32 \| good	0.656 \| good	2.284 \| good	34.552 \| good	3.097 \| good	15.852 \| good	0.174 \| good
2026-03-10T04:00:00.000Z	33 \| good	4.322 \| good	16.754 \| good	36.352 \| good	0.357 \| good	4.98 \| good	0.174 \| good
2026-03-10T05:00:00.000Z	34 \| good	4.886 \| good	18.898 \| good	36.705 \| good	0.295 \| good	6.859 \| good	0.118 \| good
2026-03-10T06:00:00.000Z	25 \| good	3.282 \| good	14.178 \| good	23.777 \| good	3.905 \| good	27.271 \| good	0.22 \| good
2026-03-10T07:00:00.000Z	28 \| good	5.348 \| good	22.968 \| good	16.247 \| good	4.111 \| good	29.7 \| good	0.226 \| good
2026-03-10T08:00:00.000Z	38 \| good	7.115 \| good	31.251 \| good	14.773 \| good	4.317 \| good	32.129 \| good	0.232 \| good
2026-03-10T09:00:00.000Z	49 \| good	8.518 \| good	37.247 \| good	12.709 \| good	4.523 \| good	34.558 \| good	0.239 \| good
2026-03-10T10:00:00.000Z	44 \| good	7.778 \| good	34.317 \| good	12.577 \| good	4.513 \| good	34.097 \| good	0.239 \| good
2026-03-10T11:00:00.000Z	32 \| good	4.726 \| good	20.557 \| good	12.057 \| good	4.503 \| good	33.635 \| good	0.239 \| good
2026-03-10T12:00:00.000Z	33 \| good	5.856 \| good	26.199 \| good	10.961 \| good	4.493 \| good	33.174 \| good	0.239 \| good
2026-03-10T13:00:00.000Z	44 \| good	7.77 \| good	34.056 \| good	8.014 \| good	4.575 \| good	32.047 \| good	0.272 \| good
2026-03-10T14:00:00.000Z	58 \| moderate	13.074 \| fine	58.373 \| fine	7.525 \| good	4.656 \| good	30.921 \| good	0.305 \| good
2026-03-10T15:00:00.000Z	62 \| moderate	15.115 \| fine	68.076 \| fine	10.783 \| good	4.738 \| good	29.794 \| good	0.338 \| good
2026-03-10T16:00:00.000Z	54 \| moderate	11.229 \| good	50.158 \| good	21.199 \| good	5.476 \| good	24.932 \| good	0.285 \| good
2026-03-10T17:00:00.000Z	44 \| good	7.594 \| good	33.414 \| good	28.953 \| good	6.214 \| good	20.07 \| good	0.233 \| good
2026-03-10T18:00:00.000Z	31 \| good	4.78 \| good	20.682 \| good	34.279 \| good	6.953 \| good	15.208 \| good	0.18 \| good
2026-03-10T19:00:00.000Z	35 \| good	3.804 \| good	16.765 \| good	37.829 \| good	6.289 \| good	13.201 \| good	0.173 \| good
2026-03-10T20:00:00.000Z	39 \| good	4.033 \| good	17.448 \| good	41.684 \| good	5.625 \| good	11.194 \| good	0.166 \| good
2026-03-10T21:00:00.000Z	43 \| good	2.99 \| good	12.192 \| good	45.725 \| good	4.961 \| good	9.186 \| good	0.159 \| good
2026-03-10T22:00:00.000Z	43 \| good	1.79 \| good	7.623 \| good	45.608 \| good	4.491 \| good	8.546 \| good	0.155 \| good
2026-03-10T23:00:00.000Z	41 \| good	2.349 \| good	9.569 \| good	43.541 \| good	4.021 \| good	7.905 \| good	0.152 \| good
2026-03-11T00:00:00.000Z	37 \| good	5.92 \| good	26.119 \| good	40.224 \| good	3.551 \| good	7.265 \| good	0.148 \| good
2026-03-11T01:00:00.000Z	33 \| good	4.36 \| good	19.063 \| good	35.622 \| good	3.579 \| good	10.09 \| good	0.157 \| good
2026-03-11T02:00:00.000Z	31 \| good	1.424 \| good	5.724 \| good	33.332 \| good	3.607 \| good	12.915 \| good	0.165 \| good
2026-03-11T03:00:00.000Z	33 \| good	2.245 \| good	9.067 \| good	35.846 \| good	3.634 \| good	15.74 \| good	0.174 \| good
2026-03-11T04:00:00.000Z	31 \| good	2.312 \| good	9.371 \| good	33.318 \| good	4.148 \| good	19.657 \| good	0.187 \| good
2026-03-11T05:00:00.000Z	24 \| good	3.228 \| good	13.644 \| good	26.49 \| good	4.662 \| good	23.574 \| good	0.2 \| good
2026-03-11T06:00:00.000Z	73 \| moderate	20.703 \| fine	25.755 \| good	16.833 \| good	5.214 \| good	27.153 \| good	0.213 \| good
2026-03-11T07:00:00.000Z	33 \| good	5.791 \| good	25.161 \| good	10.872 \| good	5.203 \| good	29.303 \| good	0.224 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	12.987 \| fine	57.91 \| fine	7.358 \| good	5.229 \| good	31.114 \| good	0.235 \| good
2026-03-11T09:00:00.000Z	58 \| moderate	12.921 \| fine	58.675 \| fine	5.382 \| good	5.255 \| good	32.925 \| good	0.245 \| good
2026-03-11T10:00:00.000Z	60 \| moderate	14.216 \| fine	64.01 \| fine	3.764 \| good	4.884 \| good	32.427 \| good	0.254 \| good
2026-03-11T11:00:00.000Z	49 \| good	9.198 \| good	41.123 \| good	3.037 \| good	4.513 \| good	31.929 \| good	0.262 \| good
2026-03-11T12:00:00.000Z	90 \| moderate	29.895 \| fine	32.902 \| good	6.324 \| good	4.233 \| good	31.435 \| good	0.27 \| good
2026-03-11T13:00:00.000Z	90 \| moderate	29.913 \| fine	32.827 \| good	7.097 \| good	4.315 \| good	30.206 \| good	0.29 \| good
2026-03-11T14:00:00.000Z	90 \| moderate	30.395 \| fine	33.31 \| good	7.869 \| good	4.397 \| good	28.977 \| good	0.31 \| good
2026-03-11T15:00:00.000Z	96 \| moderate	33.224 \| fine	36.149 \| good	8.642 \| good	4.479 \| good	27.748 \| good	0.33 \| good
2026-03-11T16:00:00.000Z	92 \| moderate	31.049 \| fine	34.007 \| good	17.026 \| good	5.141 \| good	24.279 \| good	0.294 \| good
2026-03-11T17:00:00.000Z	69 \| moderate	19.163 \| fine	84.274 \| fine	21.167 \| good	5.712 \| good	20.714 \| good	0.259 \| good
2026-03-11T18:00:00.000Z	75 \| moderate	22.153 \| fine	27.963 \| good	33.793 \| good	6.464 \| good	17.343 \| good	0.224 \| good
2026-03-11T19:00:00.000Z	73 \| moderate	21.345 \| fine	27.417 \| good	38.423 \| good	6.187 \| good	15.512 \| good	0.213 \| good
2026-03-11T20:00:00.000Z	71 \| moderate	20.267 \| fine	26.156 \| good	43.052 \| good	5.911 \| good	13.68 \| good	0.202 \| good
2026-03-11T21:00:00.000Z	69 \| moderate	18.859 \| fine	24.487 \| good	47.681 \| good	5.634 \| good	11.849 \| good	0.19 \| good
2026-03-11T22:00:00.000Z	66 \| moderate	17.303 \| fine	22.611 \| good	48.819 \| good	5.055 \| good	10.82 \| good	0.183 \| good
2026-03-11T23:00:00.000Z	64 \| moderate	15.782 \| fine	20.659 \| good	49.957 \| good	4.476 \| good	9.79 \| good	0.176 \| good
2026-03-12T00:00:00.000Z	62 \| moderate	14.506 \| fine	18.838 \| good	51.095 \| good	3.897 \| good	8.761 \| good	0.168 \| good
2026-03-12T01:00:00.000Z	60 \| moderate	13.976 \| fine	17.854 \| good	42.174 \| good	3.647 \| good	14.619 \| good	0.19 \| good
2026-03-12T02:00:00.000Z	62 \| moderate	14.937 \| fine	18.123 \| good	33.253 \| good	3.397 \| good	20.477 \| good	0.212 \| good
2026-03-12T03:00:00.000Z	66 \| moderate	17.184 \| fine	20.38 \| good	24.333 \| good	3.147 \| good	26.335 \| good	0.234 \| good
2026-03-12T04:00:00.000Z	69 \| moderate	19.111 \| fine	22.835 \| good	19.198 \| good	3.288 \| good	29.584 \| good	0.265 \| good
2026-03-12T05:00:00.000Z	77 \| moderate	23.177 \| fine	26.85 \| good	14.064 \| good	3.43 \| good	32.833 \| good	0.296 \| good

Walnut Park

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Walnut Park, California air quality map: Track AQI near you

0.14ppm

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 Walnut Park, California updated?

The air quality for Walnut Park, California is updated every hour.

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

The worst air quality in Walnut Park, California in the last 24 hours was observed at 05:00:00 on 2026-03-09.

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

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

What is the current air quality in Walnut Park, California?

The current air quality in Walnut Park, California is 34, categorized as Good based on real-time data.

What pollutant is the most common in Walnut Park, California?

The most common pollutant in Walnut Park, California is O3.

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

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

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

The current PM_2.5 concentration at Walnut Park, California is 4.886 μg/m³.

What is the current concentration of PM₁₀ in Walnut Park, California?

The current PM₁₀ concentration at Walnut Park, California is 18.898 μg/m³.

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

The current carbon monoxide (CO) concentration at Walnut Park, California is 0.118 ppm.

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

The current sulfur dioxide (SO₂) concentration at Walnut Park, California is 0.295 ppb.

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

The current ozone (O₃) concentration at Walnut Park, California is 36.705 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Walnut Park, California is 6.859 ppb.

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