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

The PM10 concentration in Walnut, California is 36.569 μg/m3 at the moment.

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

Currently, Walnut, California has a sulfur dioxide (SO2) concentration of 0.423 ppb.

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

The current ozone (O3) level in Walnut, California at the moment is 31.892 ppm.

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

Nitrogen dioxide (NO2) level in Walnut, California at the moment is 2.844 ppb.

Live air quality index in Walnut, California today

Q: What is the PM2.5 level in Walnut, California at the moment?

PM2.5 levels in Walnut, California are currently 9.839 μg/m3.

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

Last updated: ... (Local time)

Major air pollutants in Walnut, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.83 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.45 μg/m³

155

255

425

605+

Ozone (O₃)

34.16 ppb

201

201+

Sulfur Dioxide (SO₂)

0.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.14 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Walnut, California

Get Live Pollen Counts

Walnut, California

Scroll To Air Quality Map

Track live Walnut, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T17:00:00.000Z	56 \| moderate	12.185 \| fine	42.246 \| good	38.059 \| good	0.413 \| good	4.287 \| good	0.228 \| good
2026-06-06T18:00:00.000Z	56 \| moderate	12.415 \| fine	41.981 \| good	41.229 \| good	0.366 \| good	4.09 \| good	0.228 \| good
2026-06-06T19:00:00.000Z	60 \| moderate	13.583 \| fine	49.51 \| good	44.745 \| good	0.464 \| good	4.028 \| good	0.262 \| good
2026-06-06T20:00:00.000Z	56 \| moderate	12.467 \| fine	44.629 \| good	48.834 \| good	0.526 \| good	3.862 \| good	0.228 \| good
2026-06-06T21:00:00.000Z	62 \| moderate	14.712 \| fine	51.149 \| good	50.57 \| good	0.538 \| good	3.237 \| good	0.228 \| good
2026-06-06T22:00:00.000Z	56 \| moderate	12.271 \| fine	44.506 \| good	51.633 \| good	0.595 \| good	2.952 \| good	0.211 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	10.674 \| good	37.307 \| good	52.593 \| good	0.553 \| good	2.787 \| good	0.21 \| good
2026-06-07T00:00:00.000Z	52 \| moderate	9.863 \| good	37.615 \| good	51.53 \| good	0.601 \| good	2.717 \| good	0.21 \| good
2026-06-07T01:00:00.000Z	49 \| good	9.036 \| good	34.399 \| good	50.301 \| good	0.59 \| good	2.891 \| good	0.21 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.331 \| good	33.79 \| good	47.575 \| good	0.538 \| good	2.829 \| good	0.21 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	9.864 \| good	34.092 \| good	45.559 \| good	0.47 \| good	3.452 \| good	0.243 \| good
2026-06-07T04:00:00.000Z	49 \| good	8.871 \| good	30.577 \| good	43.149 \| good	0.561 \| good	3.637 \| good	0.243 \| good
2026-06-07T05:00:00.000Z	49 \| good	8.984 \| good	30.153 \| good	40.493 \| good	0.635 \| good	3.846 \| good	0.21 \| good
2026-06-07T06:00:00.000Z	49 \| good	8.874 \| good	33.979 \| good	40.493 \| good	0.547 \| good	3.791 \| good	0.262 \| good
2026-06-07T07:00:00.000Z	49 \| good	8.643 \| good	30.396 \| good	38.878 \| good	0.534 \| good	3.791 \| good	0.262 \| good
2026-06-07T08:00:00.000Z	49 \| good	9.281 \| good	26.707 \| good	38.385 \| good	0.516 \| good	3.019 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	49 \| good	9.011 \| good	27.112 \| good	37.748 \| good	0.558 \| good	2.936 \| good	0.213 \| good
2026-06-07T10:00:00.000Z	49 \| good	9.331 \| good	26.989 \| good	37.748 \| good	0.551 \| good	2.936 \| good	0.214 \| good
2026-06-07T11:00:00.000Z	49 \| good	8.688 \| good	23.668 \| good	37.91 \| good	0.529 \| good	3.448 \| good	0.227 \| good
2026-06-07T12:00:00.000Z	44 \| good	7.971 \| good	24.007 \| good	39.097 \| good	0.369 \| good	2.577 \| good	0.168 \| good
2026-06-07T13:00:00.000Z	44 \| good	8.133 \| good	26.093 \| good	38.723 \| good	0.366 \| good	2.577 \| good	0.168 \| good
2026-06-07T14:00:00.000Z	49 \| good	8.604 \| good	22.923 \| good	38.244 \| good	0.431 \| good	3.56 \| good	0.253 \| good
2026-06-07T15:00:00.000Z	44 \| good	8.265 \| good	24.862 \| good	38.912 \| good	0.462 \| good	3.32 \| good	0.21 \| good
2026-06-07T16:00:00.000Z	44 \| good	8.258 \| good	23.866 \| good	40.192 \| good	0.394 \| good	3.537 \| good	0.253 \| good
2026-06-07T17:00:00.000Z	49 \| good	9.019 \| good	25.275 \| good	42.405 \| good	0.403 \| good	3.141 \| good	0.21 \| good
2026-06-07T18:00:00.000Z	52 \| moderate	9.678 \| good	25.378 \| good	45.196 \| good	0.455 \| good	2.841 \| good	0.21 \| good
2026-06-07T19:00:00.000Z	49 \| good	9.25 \| good	26.425 \| good	47.35 \| good	0.407 \| good	2.768 \| good	0.21 \| good
2026-06-07T20:00:00.000Z	52 \| moderate	10.131 \| good	28.668 \| good	49.156 \| good	0.495 \| good	2.491 \| good	0.21 \| good
2026-06-07T21:00:00.000Z	49 \| good	9.035 \| good	28.543 \| good	51.453 \| good	0.578 \| good	2.706 \| good	0.21 \| good
2026-06-07T22:00:00.000Z	52 \| moderate	9.781 \| good	29.634 \| good	53.57 \| good	0.676 \| good	3.119 \| good	0.225 \| good
2026-06-07T23:00:00.000Z	52 \| moderate	9.589 \| good	31.669 \| good	52.545 \| good	0.618 \| good	3.111 \| good	0.21 \| good
2026-06-08T00:00:00.000Z	52 \| moderate	9.703 \| good	31.673 \| good	51.279 \| good	0.481 \| good	3.418 \| good	0.21 \| good
2026-06-08T01:00:00.000Z	54 \| moderate	10.967 \| good	30.283 \| good	49.845 \| good	0.645 \| good	3.662 \| good	0.225 \| good
2026-06-08T02:00:00.000Z	52 \| moderate	9.799 \| good	30.289 \| good	48.272 \| good	0.559 \| good	3.509 \| good	0.225 \| good
2026-06-08T03:00:00.000Z	44 \| good	8.096 \| good	35.626 \| good	42.629 \| good	1.326 \| good	5.383 \| good	0.117 \| good
2026-06-08T04:00:00.000Z	49 \| good	9.308 \| good	25.162 \| good	41.621 \| good	0.576 \| good	5.782 \| good	0.21 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.602 \| good	25.355 \| good	39.606 \| good	0.753 \| good	6.689 \| good	0.225 \| good
2026-06-08T06:00:00.000Z	49 \| good	8.766 \| good	25.437 \| good	36.798 \| good	0.576 \| good	6.602 \| good	0.27 \| good
2026-06-08T07:00:00.000Z	44 \| good	8.401 \| good	27.041 \| good	36.847 \| good	0.564 \| good	6.602 \| good	0.27 \| good
2026-06-08T08:00:00.000Z	52 \| moderate	9.513 \| good	33.863 \| good	26.194 \| good	0.503 \| good	9.533 \| good	0.266 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.061 \| good	31.585 \| good	24.578 \| good	0.48 \| good	8.885 \| good	0.266 \| good
2026-06-08T10:00:00.000Z	52 \| moderate	9.54 \| good	30.388 \| good	28.03 \| good	0.496 \| good	6.193 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	52 \| moderate	9.563 \| good	33.564 \| good	30.362 \| good	0.592 \| good	4.203 \| good	0.168 \| good
2026-06-08T12:00:00.000Z	49 \| good	9.38 \| good	31.33 \| good	31.892 \| good	0.416 \| good	2.844 \| good	0.151 \| good
2026-06-08T13:00:00.000Z	52 \| moderate	9.839 \| good	36.569 \| good	31.892 \| good	0.423 \| good	2.844 \| good	0.151 \| good
2026-06-08T14:00:00.000Z	49 \| good	8.901 \| good	34.962 \| good	32.418 \| good	0.42 \| good	3.359 \| good	0.144 \| good
2026-06-08T15:00:00.000Z	49 \| good	8.826 \| good	35.448 \| good	34.156 \| good	0.419 \| good	4.137 \| good	0.194 \| good
2026-06-08T16:00:00.000Z	49 \| good	8.826 \| good	35.448 \| good	34.156 \| good	0.419 \| good	4.137 \| good	0.194 \| good
2026-06-08T15:00:00.000Z	54 \| moderate	11.488 \| good	50.897 \| good	36.917 \| good	1.193 \| good	7.514 \| good	0.136 \| good
2026-06-08T16:00:00.000Z	60 \| moderate	13.53 \| fine	60.801 \| fine	41.025 \| good	1.14 \| good	5.593 \| good	0.129 \| good
2026-06-08T17:00:00.000Z	64 \| moderate	16.286 \| fine	72.132 \| fine	44.455 \| good	1.088 \| good	4.591 \| good	0.126 \| good
2026-06-08T18:00:00.000Z	64 \| moderate	15.83 \| fine	70.442 \| fine	50.128 \| good	1.092 \| good	3.873 \| good	0.124 \| good
2026-06-08T19:00:00.000Z	66 \| moderate	16.83 \| fine	74.755 \| fine	56.977 \| fine	1.124 \| good	3.299 \| good	0.122 \| good
2026-06-08T20:00:00.000Z	74 \| moderate	16.998 \| fine	75.447 \| fine	61.958 \| fine	1.169 \| good	2.862 \| good	0.12 \| good
2026-06-08T21:00:00.000Z	74 \| moderate	15.066 \| fine	67.066 \| fine	62.138 \| fine	1.22 \| good	2.557 \| good	0.118 \| good
2026-06-08T22:00:00.000Z	77 \| moderate	12.326 \| fine	55.212 \| fine	62.58 \| fine	1.266 \| good	2.364 \| good	0.117 \| good
2026-06-08T23:00:00.000Z	71 \| moderate	11.463 \| good	50.65 \| good	61.199 \| fine	1.287 \| good	2.305 \| good	0.115 \| good
2026-06-09T00:00:00.000Z	64 \| moderate	12.567 \| fine	56.316 \| fine	59.059 \| fine	1.289 \| good	2.528 \| good	0.114 \| good
2026-06-09T01:00:00.000Z	56 \| moderate	11.927 \| good	52.89 \| good	54.917 \| good	1.322 \| good	3.294 \| good	0.115 \| good
2026-06-09T02:00:00.000Z	56 \| moderate	12.117 \| fine	54.765 \| good	48.732 \| good	1.4 \| good	4.626 \| good	0.116 \| good
2026-06-09T03:00:00.000Z	54 \| moderate	10.696 \| good	47.643 \| good	42.686 \| good	1.465 \| good	6.679 \| good	0.12 \| good
2026-06-09T04:00:00.000Z	54 \| moderate	10.942 \| good	48.697 \| good	39.117 \| good	1.486 \| good	8.574 \| good	0.125 \| good
2026-06-09T05:00:00.000Z	52 \| moderate	10.378 \| good	46.272 \| good	37.365 \| good	1.481 \| good	10.686 \| good	0.13 \| good
2026-06-09T06:00:00.000Z	52 \| moderate	10.212 \| good	45.274 \| good	35.733 \| good	1.453 \| good	13.26 \| good	0.138 \| good
2026-06-09T07:00:00.000Z	54 \| moderate	10.816 \| good	47.704 \| good	34.482 \| good	1.396 \| good	15.016 \| good	0.145 \| good
2026-06-09T08:00:00.000Z	54 \| moderate	11.291 \| good	49.668 \| good	32.216 \| good	1.318 \| good	16.155 \| good	0.151 \| good
2026-06-09T09:00:00.000Z	54 \| moderate	11.401 \| good	50.292 \| good	30.09 \| good	1.263 \| good	17.108 \| good	0.155 \| good
2026-06-09T10:00:00.000Z	54 \| moderate	10.899 \| good	48.07 \| good	28.7 \| good	1.219 \| good	17.903 \| good	0.158 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	10.568 \| good	46.504 \| good	28.2 \| good	1.187 \| good	18.602 \| good	0.162 \| good
2026-06-09T12:00:00.000Z	56 \| moderate	12.451 \| fine	55.589 \| fine	29.301 \| good	1.162 \| good	19.735 \| good	0.167 \| good
2026-06-09T13:00:00.000Z	56 \| moderate	12.423 \| fine	55.589 \| fine	30.632 \| good	1.17 \| good	20.156 \| good	0.179 \| good
2026-06-09T14:00:00.000Z	60 \| moderate	13.614 \| fine	61.44 \| fine	32.383 \| good	1.162 \| good	16.189 \| good	0.188 \| good
2026-06-09T15:00:00.000Z	58 \| moderate	13.148 \| fine	58.996 \| fine	34.699 \| good	1.238 \| good	8.951 \| good	0.142 \| good
2026-06-09T16:00:00.000Z	62 \| moderate	14.645 \| fine	65.826 \| fine	36.168 \| good	1.244 \| good	6.889 \| good	0.134 \| good
2026-06-09T17:00:00.000Z	64 \| moderate	15.974 \| fine	70.759 \| fine	38.464 \| good	1.205 \| good	5.664 \| good	0.129 \| good
2026-06-09T18:00:00.000Z	62 \| moderate	15.229 \| fine	68.352 \| fine	45.034 \| good	1.222 \| good	4.788 \| good	0.125 \| good
2026-06-09T19:00:00.000Z	67 \| moderate	17.571 \| fine	78.096 \| fine	51.517 \| good	1.289 \| good	4.103 \| good	0.123 \| good
2026-06-09T20:00:00.000Z	67 \| moderate	18.415 \| fine	81.425 \| fine	58.218 \| fine	1.378 \| good	3.575 \| good	0.122 \| good
2026-06-09T21:00:00.000Z	77 \| moderate	17.888 \| fine	79.375 \| fine	63.413 \| fine	1.478 \| good	3.139 \| good	0.121 \| good
2026-06-09T22:00:00.000Z	87 \| moderate	16.745 \| fine	74.588 \| fine	66.152 \| fine	1.559 \| good	2.82 \| good	0.121 \| good
2026-06-09T23:00:00.000Z	77 \| moderate	15.211 \| fine	68.01 \| fine	62.697 \| fine	1.638 \| good	2.706 \| good	0.12 \| good
2026-06-10T00:00:00.000Z	64 \| moderate	15.75 \| fine	70.074 \| fine	59.26 \| fine	1.716 \| good	2.936 \| good	0.12 \| good
2026-06-10T01:00:00.000Z	62 \| moderate	14.612 \| fine	65.169 \| fine	56.935 \| fine	1.789 \| good	3.669 \| good	0.121 \| good
2026-06-10T02:00:00.000Z	62 \| moderate	15.044 \| fine	66.945 \| fine	51.033 \| good	1.865 \| good	5.017 \| good	0.123 \| good
2026-06-10T03:00:00.000Z	58 \| moderate	13.478 \| fine	60.94 \| fine	41.358 \| good	1.91 \| good	7.159 \| good	0.125 \| good
2026-06-10T04:00:00.000Z	56 \| moderate	11.839 \| good	52.297 \| good	36.33 \| good	1.895 \| good	9.19 \| good	0.128 \| good
2026-06-10T05:00:00.000Z	54 \| moderate	11.206 \| good	49.61 \| good	33.781 \| good	1.806 \| good	11.373 \| good	0.132 \| good
2026-06-10T06:00:00.000Z	64 \| moderate	16.427 \| fine	22.121 \| good	29.197 \| good	1.694 \| good	13.765 \| good	0.137 \| good
2026-06-10T07:00:00.000Z	54 \| moderate	11.298 \| good	49.986 \| good	31.43 \| good	1.565 \| good	14.814 \| good	0.141 \| good
2026-06-10T08:00:00.000Z	56 \| moderate	11.95 \| good	53.516 \| good	27.345 \| good	1.474 \| good	16.026 \| good	0.146 \| good
2026-06-10T09:00:00.000Z	56 \| moderate	11.949 \| good	53.211 \| good	24.123 \| good	1.41 \| good	17.05 \| good	0.15 \| good
2026-06-10T10:00:00.000Z	56 \| moderate	11.533 \| good	50.999 \| good	21.687 \| good	1.367 \| good	18.121 \| good	0.154 \| good
2026-06-10T11:00:00.000Z	54 \| moderate	10.738 \| good	47.705 \| good	21.804 \| good	1.339 \| good	19.192 \| good	0.159 \| good
2026-06-10T12:00:00.000Z	69 \| moderate	19.342 \| fine	26.017 \| good	10.819 \| good	1.318 \| good	20.386 \| good	0.164 \| good
2026-06-10T13:00:00.000Z	71 \| moderate	20.379 \| fine	27.7 \| good	10.667 \| good	1.291 \| good	19.978 \| good	0.175 \| good
2026-06-10T14:00:00.000Z	73 \| moderate	20.986 \| fine	27.975 \| good	13.024 \| good	1.272 \| good	16.739 \| good	0.191 \| good

Walnut

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

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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 Walnut, California?

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

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

In the past 24 hours, the air quality in Walnut, California was at its worst at 01:00:00 on 2026-06-08.

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

In the last 24 hours, the best air quality in Walnut, California was observed at 07:00:00 on 2026-06-08.

What is the AQI in Walnut, California right now?

As of now, the AQI in Walnut, California is 52, indicating Moderate conditions.

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

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

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

Poor air quality in Walnut, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Walnut, California at the moment?

PM_2.5 levels in Walnut, California are currently 9.839 μg/m³.

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

The PM₁₀ concentration in Walnut, California is 36.569 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Walnut, California is 0.151 ppm.

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

Currently, Walnut, California has a sulfur dioxide (SO₂) concentration of 0.423 ppb.

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

The current ozone (O₃) level in Walnut, California at the moment is 31.892 ppm.

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

Nitrogen dioxide (NO₂) level in Walnut, California at the moment is 2.844 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T17:00:00.000Z	56 \| moderate	12.185 \| fine	42.246 \| good	38.059 \| good	0.413 \| good	4.287 \| good	0.228 \| good
2026-06-06T18:00:00.000Z	56 \| moderate	12.415 \| fine	41.981 \| good	41.229 \| good	0.366 \| good	4.09 \| good	0.228 \| good
2026-06-06T19:00:00.000Z	60 \| moderate	13.583 \| fine	49.51 \| good	44.745 \| good	0.464 \| good	4.028 \| good	0.262 \| good
2026-06-06T20:00:00.000Z	56 \| moderate	12.467 \| fine	44.629 \| good	48.834 \| good	0.526 \| good	3.862 \| good	0.228 \| good
2026-06-06T21:00:00.000Z	62 \| moderate	14.712 \| fine	51.149 \| good	50.57 \| good	0.538 \| good	3.237 \| good	0.228 \| good
2026-06-06T22:00:00.000Z	56 \| moderate	12.271 \| fine	44.506 \| good	51.633 \| good	0.595 \| good	2.952 \| good	0.211 \| good
2026-06-06T23:00:00.000Z	54 \| moderate	10.674 \| good	37.307 \| good	52.593 \| good	0.553 \| good	2.787 \| good	0.21 \| good
2026-06-07T00:00:00.000Z	52 \| moderate	9.863 \| good	37.615 \| good	51.53 \| good	0.601 \| good	2.717 \| good	0.21 \| good
2026-06-07T01:00:00.000Z	49 \| good	9.036 \| good	34.399 \| good	50.301 \| good	0.59 \| good	2.891 \| good	0.21 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.331 \| good	33.79 \| good	47.575 \| good	0.538 \| good	2.829 \| good	0.21 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	9.864 \| good	34.092 \| good	45.559 \| good	0.47 \| good	3.452 \| good	0.243 \| good
2026-06-07T04:00:00.000Z	49 \| good	8.871 \| good	30.577 \| good	43.149 \| good	0.561 \| good	3.637 \| good	0.243 \| good
2026-06-07T05:00:00.000Z	49 \| good	8.984 \| good	30.153 \| good	40.493 \| good	0.635 \| good	3.846 \| good	0.21 \| good
2026-06-07T06:00:00.000Z	49 \| good	8.874 \| good	33.979 \| good	40.493 \| good	0.547 \| good	3.791 \| good	0.262 \| good
2026-06-07T07:00:00.000Z	49 \| good	8.643 \| good	30.396 \| good	38.878 \| good	0.534 \| good	3.791 \| good	0.262 \| good
2026-06-07T08:00:00.000Z	49 \| good	9.281 \| good	26.707 \| good	38.385 \| good	0.516 \| good	3.019 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	49 \| good	9.011 \| good	27.112 \| good	37.748 \| good	0.558 \| good	2.936 \| good	0.213 \| good
2026-06-07T10:00:00.000Z	49 \| good	9.331 \| good	26.989 \| good	37.748 \| good	0.551 \| good	2.936 \| good	0.214 \| good
2026-06-07T11:00:00.000Z	49 \| good	8.688 \| good	23.668 \| good	37.91 \| good	0.529 \| good	3.448 \| good	0.227 \| good
2026-06-07T12:00:00.000Z	44 \| good	7.971 \| good	24.007 \| good	39.097 \| good	0.369 \| good	2.577 \| good	0.168 \| good
2026-06-07T13:00:00.000Z	44 \| good	8.133 \| good	26.093 \| good	38.723 \| good	0.366 \| good	2.577 \| good	0.168 \| good
2026-06-07T14:00:00.000Z	49 \| good	8.604 \| good	22.923 \| good	38.244 \| good	0.431 \| good	3.56 \| good	0.253 \| good
2026-06-07T15:00:00.000Z	44 \| good	8.265 \| good	24.862 \| good	38.912 \| good	0.462 \| good	3.32 \| good	0.21 \| good
2026-06-07T16:00:00.000Z	44 \| good	8.258 \| good	23.866 \| good	40.192 \| good	0.394 \| good	3.537 \| good	0.253 \| good
2026-06-07T17:00:00.000Z	49 \| good	9.019 \| good	25.275 \| good	42.405 \| good	0.403 \| good	3.141 \| good	0.21 \| good
2026-06-07T18:00:00.000Z	52 \| moderate	9.678 \| good	25.378 \| good	45.196 \| good	0.455 \| good	2.841 \| good	0.21 \| good
2026-06-07T19:00:00.000Z	49 \| good	9.25 \| good	26.425 \| good	47.35 \| good	0.407 \| good	2.768 \| good	0.21 \| good
2026-06-07T20:00:00.000Z	52 \| moderate	10.131 \| good	28.668 \| good	49.156 \| good	0.495 \| good	2.491 \| good	0.21 \| good
2026-06-07T21:00:00.000Z	49 \| good	9.035 \| good	28.543 \| good	51.453 \| good	0.578 \| good	2.706 \| good	0.21 \| good
2026-06-07T22:00:00.000Z	52 \| moderate	9.781 \| good	29.634 \| good	53.57 \| good	0.676 \| good	3.119 \| good	0.225 \| good
2026-06-07T23:00:00.000Z	52 \| moderate	9.589 \| good	31.669 \| good	52.545 \| good	0.618 \| good	3.111 \| good	0.21 \| good
2026-06-08T00:00:00.000Z	52 \| moderate	9.703 \| good	31.673 \| good	51.279 \| good	0.481 \| good	3.418 \| good	0.21 \| good
2026-06-08T01:00:00.000Z	54 \| moderate	10.967 \| good	30.283 \| good	49.845 \| good	0.645 \| good	3.662 \| good	0.225 \| good
2026-06-08T02:00:00.000Z	52 \| moderate	9.799 \| good	30.289 \| good	48.272 \| good	0.559 \| good	3.509 \| good	0.225 \| good
2026-06-08T03:00:00.000Z	44 \| good	8.096 \| good	35.626 \| good	42.629 \| good	1.326 \| good	5.383 \| good	0.117 \| good
2026-06-08T04:00:00.000Z	49 \| good	9.308 \| good	25.162 \| good	41.621 \| good	0.576 \| good	5.782 \| good	0.21 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.602 \| good	25.355 \| good	39.606 \| good	0.753 \| good	6.689 \| good	0.225 \| good
2026-06-08T06:00:00.000Z	49 \| good	8.766 \| good	25.437 \| good	36.798 \| good	0.576 \| good	6.602 \| good	0.27 \| good
2026-06-08T07:00:00.000Z	44 \| good	8.401 \| good	27.041 \| good	36.847 \| good	0.564 \| good	6.602 \| good	0.27 \| good
2026-06-08T08:00:00.000Z	52 \| moderate	9.513 \| good	33.863 \| good	26.194 \| good	0.503 \| good	9.533 \| good	0.266 \| good
2026-06-08T09:00:00.000Z	52 \| moderate	10.061 \| good	31.585 \| good	24.578 \| good	0.48 \| good	8.885 \| good	0.266 \| good
2026-06-08T10:00:00.000Z	52 \| moderate	9.54 \| good	30.388 \| good	28.03 \| good	0.496 \| good	6.193 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	52 \| moderate	9.563 \| good	33.564 \| good	30.362 \| good	0.592 \| good	4.203 \| good	0.168 \| good
2026-06-08T12:00:00.000Z	49 \| good	9.38 \| good	31.33 \| good	31.892 \| good	0.416 \| good	2.844 \| good	0.151 \| good
2026-06-08T13:00:00.000Z	52 \| moderate	9.839 \| good	36.569 \| good	31.892 \| good	0.423 \| good	2.844 \| good	0.151 \| good
2026-06-08T14:00:00.000Z	49 \| good	8.901 \| good	34.962 \| good	32.418 \| good	0.42 \| good	3.359 \| good	0.144 \| good
2026-06-08T15:00:00.000Z	49 \| good	8.826 \| good	35.448 \| good	34.156 \| good	0.419 \| good	4.137 \| good	0.194 \| good
2026-06-08T16:00:00.000Z	49 \| good	8.826 \| good	35.448 \| good	34.156 \| good	0.419 \| good	4.137 \| good	0.194 \| good
2026-06-08T15:00:00.000Z	54 \| moderate	11.488 \| good	50.897 \| good	36.917 \| good	1.193 \| good	7.514 \| good	0.136 \| good
2026-06-08T16:00:00.000Z	60 \| moderate	13.53 \| fine	60.801 \| fine	41.025 \| good	1.14 \| good	5.593 \| good	0.129 \| good
2026-06-08T17:00:00.000Z	64 \| moderate	16.286 \| fine	72.132 \| fine	44.455 \| good	1.088 \| good	4.591 \| good	0.126 \| good
2026-06-08T18:00:00.000Z	64 \| moderate	15.83 \| fine	70.442 \| fine	50.128 \| good	1.092 \| good	3.873 \| good	0.124 \| good
2026-06-08T19:00:00.000Z	66 \| moderate	16.83 \| fine	74.755 \| fine	56.977 \| fine	1.124 \| good	3.299 \| good	0.122 \| good
2026-06-08T20:00:00.000Z	74 \| moderate	16.998 \| fine	75.447 \| fine	61.958 \| fine	1.169 \| good	2.862 \| good	0.12 \| good
2026-06-08T21:00:00.000Z	74 \| moderate	15.066 \| fine	67.066 \| fine	62.138 \| fine	1.22 \| good	2.557 \| good	0.118 \| good
2026-06-08T22:00:00.000Z	77 \| moderate	12.326 \| fine	55.212 \| fine	62.58 \| fine	1.266 \| good	2.364 \| good	0.117 \| good
2026-06-08T23:00:00.000Z	71 \| moderate	11.463 \| good	50.65 \| good	61.199 \| fine	1.287 \| good	2.305 \| good	0.115 \| good
2026-06-09T00:00:00.000Z	64 \| moderate	12.567 \| fine	56.316 \| fine	59.059 \| fine	1.289 \| good	2.528 \| good	0.114 \| good
2026-06-09T01:00:00.000Z	56 \| moderate	11.927 \| good	52.89 \| good	54.917 \| good	1.322 \| good	3.294 \| good	0.115 \| good
2026-06-09T02:00:00.000Z	56 \| moderate	12.117 \| fine	54.765 \| good	48.732 \| good	1.4 \| good	4.626 \| good	0.116 \| good
2026-06-09T03:00:00.000Z	54 \| moderate	10.696 \| good	47.643 \| good	42.686 \| good	1.465 \| good	6.679 \| good	0.12 \| good
2026-06-09T04:00:00.000Z	54 \| moderate	10.942 \| good	48.697 \| good	39.117 \| good	1.486 \| good	8.574 \| good	0.125 \| good
2026-06-09T05:00:00.000Z	52 \| moderate	10.378 \| good	46.272 \| good	37.365 \| good	1.481 \| good	10.686 \| good	0.13 \| good
2026-06-09T06:00:00.000Z	52 \| moderate	10.212 \| good	45.274 \| good	35.733 \| good	1.453 \| good	13.26 \| good	0.138 \| good
2026-06-09T07:00:00.000Z	54 \| moderate	10.816 \| good	47.704 \| good	34.482 \| good	1.396 \| good	15.016 \| good	0.145 \| good
2026-06-09T08:00:00.000Z	54 \| moderate	11.291 \| good	49.668 \| good	32.216 \| good	1.318 \| good	16.155 \| good	0.151 \| good
2026-06-09T09:00:00.000Z	54 \| moderate	11.401 \| good	50.292 \| good	30.09 \| good	1.263 \| good	17.108 \| good	0.155 \| good
2026-06-09T10:00:00.000Z	54 \| moderate	10.899 \| good	48.07 \| good	28.7 \| good	1.219 \| good	17.903 \| good	0.158 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	10.568 \| good	46.504 \| good	28.2 \| good	1.187 \| good	18.602 \| good	0.162 \| good
2026-06-09T12:00:00.000Z	56 \| moderate	12.451 \| fine	55.589 \| fine	29.301 \| good	1.162 \| good	19.735 \| good	0.167 \| good
2026-06-09T13:00:00.000Z	56 \| moderate	12.423 \| fine	55.589 \| fine	30.632 \| good	1.17 \| good	20.156 \| good	0.179 \| good
2026-06-09T14:00:00.000Z	60 \| moderate	13.614 \| fine	61.44 \| fine	32.383 \| good	1.162 \| good	16.189 \| good	0.188 \| good
2026-06-09T15:00:00.000Z	58 \| moderate	13.148 \| fine	58.996 \| fine	34.699 \| good	1.238 \| good	8.951 \| good	0.142 \| good
2026-06-09T16:00:00.000Z	62 \| moderate	14.645 \| fine	65.826 \| fine	36.168 \| good	1.244 \| good	6.889 \| good	0.134 \| good
2026-06-09T17:00:00.000Z	64 \| moderate	15.974 \| fine	70.759 \| fine	38.464 \| good	1.205 \| good	5.664 \| good	0.129 \| good
2026-06-09T18:00:00.000Z	62 \| moderate	15.229 \| fine	68.352 \| fine	45.034 \| good	1.222 \| good	4.788 \| good	0.125 \| good
2026-06-09T19:00:00.000Z	67 \| moderate	17.571 \| fine	78.096 \| fine	51.517 \| good	1.289 \| good	4.103 \| good	0.123 \| good
2026-06-09T20:00:00.000Z	67 \| moderate	18.415 \| fine	81.425 \| fine	58.218 \| fine	1.378 \| good	3.575 \| good	0.122 \| good
2026-06-09T21:00:00.000Z	77 \| moderate	17.888 \| fine	79.375 \| fine	63.413 \| fine	1.478 \| good	3.139 \| good	0.121 \| good
2026-06-09T22:00:00.000Z	87 \| moderate	16.745 \| fine	74.588 \| fine	66.152 \| fine	1.559 \| good	2.82 \| good	0.121 \| good
2026-06-09T23:00:00.000Z	77 \| moderate	15.211 \| fine	68.01 \| fine	62.697 \| fine	1.638 \| good	2.706 \| good	0.12 \| good
2026-06-10T00:00:00.000Z	64 \| moderate	15.75 \| fine	70.074 \| fine	59.26 \| fine	1.716 \| good	2.936 \| good	0.12 \| good
2026-06-10T01:00:00.000Z	62 \| moderate	14.612 \| fine	65.169 \| fine	56.935 \| fine	1.789 \| good	3.669 \| good	0.121 \| good
2026-06-10T02:00:00.000Z	62 \| moderate	15.044 \| fine	66.945 \| fine	51.033 \| good	1.865 \| good	5.017 \| good	0.123 \| good
2026-06-10T03:00:00.000Z	58 \| moderate	13.478 \| fine	60.94 \| fine	41.358 \| good	1.91 \| good	7.159 \| good	0.125 \| good
2026-06-10T04:00:00.000Z	56 \| moderate	11.839 \| good	52.297 \| good	36.33 \| good	1.895 \| good	9.19 \| good	0.128 \| good
2026-06-10T05:00:00.000Z	54 \| moderate	11.206 \| good	49.61 \| good	33.781 \| good	1.806 \| good	11.373 \| good	0.132 \| good
2026-06-10T06:00:00.000Z	64 \| moderate	16.427 \| fine	22.121 \| good	29.197 \| good	1.694 \| good	13.765 \| good	0.137 \| good
2026-06-10T07:00:00.000Z	54 \| moderate	11.298 \| good	49.986 \| good	31.43 \| good	1.565 \| good	14.814 \| good	0.141 \| good
2026-06-10T08:00:00.000Z	56 \| moderate	11.95 \| good	53.516 \| good	27.345 \| good	1.474 \| good	16.026 \| good	0.146 \| good
2026-06-10T09:00:00.000Z	56 \| moderate	11.949 \| good	53.211 \| good	24.123 \| good	1.41 \| good	17.05 \| good	0.15 \| good
2026-06-10T10:00:00.000Z	56 \| moderate	11.533 \| good	50.999 \| good	21.687 \| good	1.367 \| good	18.121 \| good	0.154 \| good
2026-06-10T11:00:00.000Z	54 \| moderate	10.738 \| good	47.705 \| good	21.804 \| good	1.339 \| good	19.192 \| good	0.159 \| good
2026-06-10T12:00:00.000Z	69 \| moderate	19.342 \| fine	26.017 \| good	10.819 \| good	1.318 \| good	20.386 \| good	0.164 \| good
2026-06-10T13:00:00.000Z	71 \| moderate	20.379 \| fine	27.7 \| good	10.667 \| good	1.291 \| good	19.978 \| good	0.175 \| good
2026-06-10T14:00:00.000Z	73 \| moderate	20.986 \| fine	27.975 \| good	13.024 \| good	1.272 \| good	16.739 \| good	0.191 \| good

Live air quality index in Walnut, California today

Major air pollutants in Walnut, 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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Rowland Heights, California

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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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