What is the current concentration of PM10 in Sierra Madre, California?

The current PM10 concentration at Sierra Madre, California is 32.319 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Sierra Madre, California is 0.197 ppb.

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

The current ozone (O3) concentration at Sierra Madre, California is 29.109 ppm.

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

The current nitrogen dioxide (NO2) concentration at Sierra Madre, California is 5.752 ppb.

Sierra Madre, California live air quality index now

Name: Live air pollution levels in Sierra Madre, California today
Creator: Ambee

Stay updated with real-time air quality in Sierra Madre, 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

Sierra Madre, California

Last updated: ... (Local time)

Major air pollutants in Sierra Madre, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.34 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.99 μg/m³

155

255

425

605+

Ozone (O₃)

14.81 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.70 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.11 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Sierra Madre, California

Get Live Pollen Counts

Sierra Madre, California

Scroll To Air Quality Map

Track live Sierra Madre, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-08T11:00:00.000Z	22 \| good	3.81 \| good	13.105 \| good	17.887 \| good	0.283 \| good	15.739 \| good	0.258 \| good
2025-09-08T12:00:00.000Z	44 \| good	8.088 \| good	22.762 \| good	14.022 \| good	0.384 \| good	19.391 \| good	0.275 \| good
2025-09-08T13:00:00.000Z	33 \| good	6.259 \| good	24.63 \| good	12.241 \| good	0.259 \| good	20.891 \| good	0.304 \| good
2025-09-08T14:00:00.000Z	27 \| good	5.355 \| good	17.46 \| good	13.845 \| good	0.302 \| good	25.958 \| good	0.367 \| good
2025-09-08T15:00:00.000Z	25 \| good	4.432 \| good	19.804 \| good	18.949 \| good	0.532 \| good	26.558 \| good	0.411 \| good
2025-09-08T16:00:00.000Z	33 \| good	5.751 \| good	33.106 \| good	22.259 \| good	0.658 \| good	23.864 \| good	0.305 \| good
2025-09-08T17:00:00.000Z	38 \| good	7.295 \| good	37.789 \| good	31.399 \| good	0.621 \| good	16.413 \| good	0.321 \| good
2025-09-08T18:00:00.000Z	44 \| good	7.592 \| good	35.87 \| good	37.89 \| good	0.641 \| good	7.54 \| good	0.26 \| good
2025-09-08T19:00:00.000Z	44 \| good	8.027 \| good	36.056 \| good	39.093 \| good	0.529 \| good	8.036 \| good	0.183 \| good
2025-09-08T20:00:00.000Z	44 \| good	8.01 \| good	30.31 \| good	47.342 \| good	0.453 \| good	7.339 \| good	0.183 \| good
2025-09-08T21:00:00.000Z	50 \| good	6.725 \| good	27.501 \| good	54.126 \| good	0.311 \| good	7.452 \| good	0.207 \| good
2025-09-08T22:00:00.000Z	50 \| good	6.84 \| good	20.452 \| good	53.676 \| good	0.283 \| good	7.046 \| good	0.184 \| good
2025-09-08T23:00:00.000Z	50 \| good	5.463 \| good	33.63 \| good	54.298 \| good	0.554 \| good	4.126 \| good	0.183 \| good
2025-09-09T00:00:00.000Z	44 \| good	6.016 \| good	26.557 \| good	47.447 \| good	4.675 \| good	8.527 \| good	0.143 \| good
2025-09-09T01:00:00.000Z	34 \| good	3.945 \| good	17.111 \| good	36.986 \| good	4.701 \| good	11.728 \| good	0.15 \| good
2025-09-09T02:00:00.000Z	31 \| good	3.715 \| good	16.113 \| good	32.953 \| good	4.117 \| good	12.899 \| good	0.147 \| good
2025-09-09T03:00:00.000Z	29 \| good	4.307 \| good	18.925 \| good	30.633 \| good	4.187 \| good	16.035 \| good	0.155 \| good
2025-09-09T04:00:00.000Z	22 \| good	4.298 \| good	18.804 \| good	23.056 \| good	4.852 \| good	20.515 \| good	0.174 \| good
2025-09-09T05:00:00.000Z	22 \| good	4.414 \| good	18.849 \| good	21.04 \| good	4.951 \| good	22.899 \| good	0.185 \| good
2025-09-09T06:00:00.000Z	27 \| good	4.644 \| good	20.052 \| good	18.17 \| good	5.049 \| good	25.283 \| good	0.196 \| good
2025-09-09T07:00:00.000Z	23 \| good	4.254 \| good	18.571 \| good	18.21 \| good	4.664 \| good	23.809 \| good	0.199 \| good
2025-09-09T08:00:00.000Z	27 \| good	5.188 \| good	20.944 \| good	10.84 \| good	0.232 \| good	11.229 \| good	0.198 \| good
2025-09-09T09:00:00.000Z	27 \| good	4.597 \| good	13.407 \| good	13.062 \| good	0.24 \| good	11.219 \| good	0.198 \| good
2025-09-09T10:00:00.000Z	17 \| good	2.384 \| good	12.408 \| good	17.555 \| good	0.201 \| good	11.393 \| good	0.198 \| good
2025-09-09T11:00:00.000Z	27 \| good	4.714 \| good	16.988 \| good	13.248 \| good	0.256 \| good	13.238 \| good	0.215 \| good
2025-09-09T12:00:00.000Z	16 \| good	3.35 \| good	14.893 \| good	15.561 \| good	0.24 \| good	14.897 \| good	0.175 \| good
2025-09-09T13:00:00.000Z	21 \| good	3.006 \| good	23.225 \| good	13.796 \| good	0.241 \| good	9.103 \| good	0.19 \| good
2025-09-09T14:00:00.000Z	27 \| good	4.555 \| good	14.617 \| good	17.078 \| good	0.314 \| good	9.96 \| good	0.215 \| good
2025-09-09T15:00:00.000Z	27 \| good	4.792 \| good	21.313 \| good	15.661 \| good	0.468 \| good	9.372 \| good	0.192 \| good
2025-09-09T16:00:00.000Z	33 \| good	5.51 \| good	26.864 \| good	15.961 \| good	0.669 \| good	9.802 \| good	0.16 \| good
2025-09-09T17:00:00.000Z	33 \| good	6.321 \| good	24.258 \| good	20.346 \| good	0.679 \| good	9.516 \| good	0.16 \| good
2025-09-09T18:00:00.000Z	47 \| good	6.102 \| good	50.625 \| good	29.414 \| good	0.294 \| good	4.908 \| good	0.16 \| good
2025-09-09T19:00:00.000Z	38 \| good	6.978 \| good	30.706 \| good	32.724 \| good	0.227 \| good	5.98 \| good	0.16 \| good
2025-09-09T20:00:00.000Z	44 \| good	8.143 \| good	29.939 \| good	38.877 \| good	0.169 \| good	6.388 \| good	0.183 \| good
2025-09-09T21:00:00.000Z	44 \| good	8.132 \| good	28.999 \| good	45.87 \| good	0.238 \| good	6.011 \| good	0.2 \| good
2025-09-09T22:00:00.000Z	51 \| moderate	6.048 \| good	24.645 \| good	54.872 \| good	0.166 \| good	5.931 \| good	0.186 \| good
2025-09-09T23:00:00.000Z	47 \| good	8.093 \| good	26.141 \| good	50.954 \| good	0.122 \| good	4.96 \| good	0.183 \| good
2025-09-10T00:00:00.000Z	49 \| good	6.652 \| good	42.786 \| good	53.095 \| good	0.14 \| good	3.565 \| good	0.182 \| good
2025-09-10T01:00:00.000Z	49 \| good	8.814 \| good	27.297 \| good	36.449 \| good	0.221 \| good	4.339 \| good	0.186 \| good
2025-09-10T02:00:00.000Z	33 \| good	6.138 \| good	29.467 \| good	35.484 \| good	0.211 \| good	5.142 \| good	0.186 \| good
2025-09-10T03:00:00.000Z	31 \| good	5.299 \| good	33.339 \| good	27.026 \| good	0.202 \| good	6.053 \| good	0.183 \| good
2025-09-10T04:00:00.000Z	27 \| good	4.58 \| good	13.613 \| good	23.702 \| good	0.255 \| good	5.95 \| good	0.16 \| good
2025-09-10T05:00:00.000Z	27 \| good	5.444 \| good	19.348 \| good	21.335 \| good	0.457 \| good	6.508 \| good	0.162 \| good
2025-09-10T06:00:00.000Z	22 \| good	4.488 \| good	11.891 \| good	20.398 \| good	0.36 \| good	5.938 \| good	0.162 \| good
2025-09-10T07:00:00.000Z	27 \| good	4.921 \| good	15.559 \| good	16.667 \| good	0.221 \| good	7.406 \| good	0.162 \| good
2025-09-10T08:00:00.000Z	49 \| good	8.958 \| good	14.814 \| good	15.238 \| good	0.351 \| good	8.165 \| good	0.183 \| good
2025-09-10T09:00:00.000Z	27 \| good	4.707 \| good	24.488 \| good	14.75 \| good	0.294 \| good	7.167 \| good	0.122 \| good
2025-09-10T10:00:00.000Z	22 \| good	4.345 \| good	14.995 \| good	14.81 \| good	0.255 \| good	6.698 \| good	0.109 \| good
2025-09-10T11:00:00.000Z	16 \| good	3.209 \| good	13.745 \| good	17.239 \| good	4.425 \| good	16.135 \| good	0.144 \| good
2025-09-10T12:00:00.000Z	22 \| good	3.969 \| good	17.402 \| good	16.93 \| good	4.128 \| good	14.405 \| good	0.138 \| good
2025-09-10T13:00:00.000Z	15 \| good	2.009 \| good	8.055 \| good	16.269 \| good	3.738 \| good	12.499 \| good	0.137 \| good
2025-09-10T14:00:00.000Z	18 \| good	1.866 \| good	7.943 \| good	19.137 \| good	3.347 \| good	10.592 \| good	0.136 \| good
2025-09-10T15:00:00.000Z	23 \| good	2.115 \| good	8.38 \| good	25.482 \| good	2.957 \| good	8.686 \| good	0.134 \| good
2025-09-10T16:00:00.000Z	28 \| good	2.683 \| good	11.1 \| good	30.101 \| good	2.606 \| good	7.24 \| good	0.129 \| good
2025-09-10T17:00:00.000Z	32 \| good	3.71 \| good	16.153 \| good	35.082 \| good	2.255 \| good	5.794 \| good	0.124 \| good
2025-09-10T18:00:00.000Z	36 \| good	3.88 \| good	17.099 \| good	38.919 \| good	1.904 \| good	4.348 \| good	0.119 \| good
2025-09-10T19:00:00.000Z	42 \| good	5.313 \| good	22.957 \| good	44.773 \| good	2.022 \| good	4.082 \| good	0.119 \| good
2025-09-10T20:00:00.000Z	46 \| good	5.878 \| good	26.455 \| good	49.666 \| good	2.139 \| good	3.816 \| good	0.119 \| good
2025-09-10T21:00:00.000Z	47 \| good	6.828 \| good	30.059 \| good	50.786 \| good	2.257 \| good	3.549 \| good	0.119 \| good
2025-09-10T22:00:00.000Z	50 \| good	6.798 \| good	30.047 \| good	54.108 \| good	2.516 \| good	4.032 \| good	0.121 \| good
2025-09-10T23:00:00.000Z	48 \| good	6.678 \| good	29.857 \| good	52.451 \| good	2.776 \| good	4.514 \| good	0.122 \| good
2025-09-11T00:00:00.000Z	49 \| good	8.624 \| good	37.978 \| good	49.951 \| good	3.035 \| good	4.996 \| good	0.124 \| good
2025-09-11T01:00:00.000Z	42 \| good	7.388 \| good	32.493 \| good	44.706 \| good	3.339 \| good	7.439 \| good	0.129 \| good
2025-09-11T02:00:00.000Z	44 \| good	8.492 \| good	37.427 \| good	36.01 \| good	3.643 \| good	9.882 \| good	0.134 \| good
2025-09-11T03:00:00.000Z	49 \| good	8.808 \| good	39.433 \| good	35.845 \| good	3.947 \| good	12.325 \| good	0.139 \| good
2025-09-11T04:00:00.000Z	44 \| good	8.15 \| good	36.038 \| good	31.192 \| good	4.207 \| good	14.266 \| good	0.144 \| good
2025-09-11T05:00:00.000Z	38 \| good	7.406 \| good	32.97 \| good	28.75 \| good	4.466 \| good	16.207 \| good	0.149 \| good
2025-09-11T06:00:00.000Z	33 \| good	6.356 \| good	28.151 \| good	25.898 \| good	4.725 \| good	18.149 \| good	0.153 \| good
2025-09-11T07:00:00.000Z	22 \| good	4.338 \| good	18.487 \| good	23.878 \| good	4.736 \| good	19.398 \| good	0.158 \| good
2025-09-11T08:00:00.000Z	27 \| good	5.11 \| good	22.165 \| good	22.287 \| good	4.747 \| good	20.648 \| good	0.163 \| good
2025-09-11T09:00:00.000Z	27 \| good	4.838 \| good	20.698 \| good	20.85 \| good	4.758 \| good	21.898 \| good	0.168 \| good
2025-09-11T10:00:00.000Z	22 \| good	4.093 \| good	17.819 \| good	20.284 \| good	4.936 \| good	21.012 \| good	0.163 \| good
2025-09-11T11:00:00.000Z	19 \| good	3.335 \| good	14.837 \| good	19.154 \| good	5.114 \| good	20.126 \| good	0.158 \| good
2025-09-11T12:00:00.000Z	27 \| good	4.873 \| good	20.838 \| good	15.633 \| good	5.292 \| good	19.24 \| good	0.154 \| good
2025-09-11T13:00:00.000Z	16 \| good	2.262 \| good	9.154 \| good	16.491 \| good	5.187 \| good	17.16 \| good	0.159 \| good
2025-09-11T14:00:00.000Z	17 \| good	3.006 \| good	11.98 \| good	17.63 \| good	5.082 \| good	15.08 \| good	0.164 \| good
2025-09-11T15:00:00.000Z	22 \| good	3.603 \| good	15.887 \| good	20.509 \| good	4.977 \| good	13 \| good	0.168 \| good
2025-09-11T16:00:00.000Z	27 \| good	4.753 \| good	20.765 \| good	24.322 \| good	4.403 \| good	10.708 \| good	0.157 \| good
2025-09-11T17:00:00.000Z	29 \| good	4.649 \| good	19.958 \| good	31.176 \| good	3.829 \| good	8.416 \| good	0.145 \| good
2025-09-11T18:00:00.000Z	33 \| good	3.571 \| good	15.89 \| good	35.982 \| good	3.256 \| good	6.123 \| good	0.133 \| good
2025-09-11T19:00:00.000Z	38 \| good	4.797 \| good	20.784 \| good	41.188 \| good	3.396 \| good	5.812 \| good	0.132 \| good
2025-09-11T20:00:00.000Z	43 \| good	6.271 \| good	27.657 \| good	46.249 \| good	3.536 \| good	5.5 \| good	0.131 \| good
2025-09-11T21:00:00.000Z	46 \| good	6.038 \| good	26.753 \| good	50.153 \| good	3.676 \| good	5.188 \| good	0.131 \| good
2025-09-11T22:00:00.000Z	48 \| good	5.996 \| good	26.318 \| good	52.13 \| good	3.903 \| good	5.643 \| good	0.132 \| good
2025-09-11T23:00:00.000Z	44 \| good	5.707 \| good	24.578 \| good	47.706 \| good	4.129 \| good	6.098 \| good	0.133 \| good
2025-09-12T00:00:00.000Z	41 \| good	6.413 \| good	28.634 \| good	43.854 \| good	4.356 \| good	6.553 \| good	0.133 \| good
2025-09-12T01:00:00.000Z	35 \| good	6.22 \| good	27.59 \| good	37.775 \| good	4.545 \| good	9.296 \| good	0.141 \| good
2025-09-12T02:00:00.000Z	38 \| good	7.498 \| good	33.061 \| good	31.726 \| good	4.735 \| good	12.039 \| good	0.148 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.986 \| good	31.144 \| good	30.445 \| good	4.924 \| good	14.782 \| good	0.155 \| good
2025-09-12T04:00:00.000Z	38 \| good	7.267 \| good	32.319 \| good	28.173 \| good	5.118 \| good	17.41 \| good	0.165 \| good
2025-09-12T05:00:00.000Z	38 \| good	6.92 \| good	30.345 \| good	26.82 \| good	5.312 \| good	20.038 \| good	0.174 \| good
2025-09-12T06:00:00.000Z	66 \| moderate	16.67 \| fine	18.168 \| good	14.203 \| good	5.535 \| good	22.915 \| good	0.184 \| good
2025-09-12T07:00:00.000Z	27 \| good	4.573 \| good	19.691 \| good	23.297 \| good	5.35 \| good	23.683 \| good	0.19 \| good
2025-09-12T08:00:00.000Z	27 \| good	5.096 \| good	21.828 \| good	22.002 \| good	5.195 \| good	24.7 \| good	0.197 \| good
2025-09-12T09:00:00.000Z	27 \| good	5.038 \| good	21.72 \| good	22.028 \| good	5.039 \| good	25.717 \| good	0.204 \| good
2025-09-12T10:00:00.000Z	24 \| good	3.871 \| good	16.874 \| good	21.245 \| good	4.878 \| good	25.313 \| good	0.202 \| good

Sierra Madre

Get reliable air quality data to drive your business

Sierra Madre, California air quality map: Track AQI near you

0.12ppm

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 Sierra Madre, California updated?

The air quality for Sierra Madre, California is updated every hour.

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

The worst air quality in Sierra Madre, California in the last 24 hours was observed at 05:00:00 on 2025-09-09.

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

In the last 24 hrs, the best air quality in Sierra Madre, California was observed at 08:00:00 on 2025-09-09.

What is the current air quality in Sierra Madre, California?

The current air quality in Sierra Madre, California is 49, categorized as Good based on real-time data.

What pollutant is the most common in Sierra Madre, California?

The most common pollutant in Sierra Madre, California is PM2.5.

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

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

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

The current PM_2.5 concentration at Sierra Madre, California is 8.698 μg/m³.

What is the current concentration of PM₁₀ in Sierra Madre, California?

The current PM₁₀ concentration at Sierra Madre, California is 32.319 μg/m³.

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

The current carbon monoxide (CO) concentration at Sierra Madre, California is 0.178 ppm.

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

The current sulfur dioxide (SO₂) concentration at Sierra Madre, California is 0.197 ppb.

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

The current ozone (O₃) concentration at Sierra Madre, California is 29.109 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Sierra Madre, California is 5.752 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-08T11:00:00.000Z	22 \| good	3.81 \| good	13.105 \| good	17.887 \| good	0.283 \| good	15.739 \| good	0.258 \| good
2025-09-08T12:00:00.000Z	44 \| good	8.088 \| good	22.762 \| good	14.022 \| good	0.384 \| good	19.391 \| good	0.275 \| good
2025-09-08T13:00:00.000Z	33 \| good	6.259 \| good	24.63 \| good	12.241 \| good	0.259 \| good	20.891 \| good	0.304 \| good
2025-09-08T14:00:00.000Z	27 \| good	5.355 \| good	17.46 \| good	13.845 \| good	0.302 \| good	25.958 \| good	0.367 \| good
2025-09-08T15:00:00.000Z	25 \| good	4.432 \| good	19.804 \| good	18.949 \| good	0.532 \| good	26.558 \| good	0.411 \| good
2025-09-08T16:00:00.000Z	33 \| good	5.751 \| good	33.106 \| good	22.259 \| good	0.658 \| good	23.864 \| good	0.305 \| good
2025-09-08T17:00:00.000Z	38 \| good	7.295 \| good	37.789 \| good	31.399 \| good	0.621 \| good	16.413 \| good	0.321 \| good
2025-09-08T18:00:00.000Z	44 \| good	7.592 \| good	35.87 \| good	37.89 \| good	0.641 \| good	7.54 \| good	0.26 \| good
2025-09-08T19:00:00.000Z	44 \| good	8.027 \| good	36.056 \| good	39.093 \| good	0.529 \| good	8.036 \| good	0.183 \| good
2025-09-08T20:00:00.000Z	44 \| good	8.01 \| good	30.31 \| good	47.342 \| good	0.453 \| good	7.339 \| good	0.183 \| good
2025-09-08T21:00:00.000Z	50 \| good	6.725 \| good	27.501 \| good	54.126 \| good	0.311 \| good	7.452 \| good	0.207 \| good
2025-09-08T22:00:00.000Z	50 \| good	6.84 \| good	20.452 \| good	53.676 \| good	0.283 \| good	7.046 \| good	0.184 \| good
2025-09-08T23:00:00.000Z	50 \| good	5.463 \| good	33.63 \| good	54.298 \| good	0.554 \| good	4.126 \| good	0.183 \| good
2025-09-09T00:00:00.000Z	44 \| good	6.016 \| good	26.557 \| good	47.447 \| good	4.675 \| good	8.527 \| good	0.143 \| good
2025-09-09T01:00:00.000Z	34 \| good	3.945 \| good	17.111 \| good	36.986 \| good	4.701 \| good	11.728 \| good	0.15 \| good
2025-09-09T02:00:00.000Z	31 \| good	3.715 \| good	16.113 \| good	32.953 \| good	4.117 \| good	12.899 \| good	0.147 \| good
2025-09-09T03:00:00.000Z	29 \| good	4.307 \| good	18.925 \| good	30.633 \| good	4.187 \| good	16.035 \| good	0.155 \| good
2025-09-09T04:00:00.000Z	22 \| good	4.298 \| good	18.804 \| good	23.056 \| good	4.852 \| good	20.515 \| good	0.174 \| good
2025-09-09T05:00:00.000Z	22 \| good	4.414 \| good	18.849 \| good	21.04 \| good	4.951 \| good	22.899 \| good	0.185 \| good
2025-09-09T06:00:00.000Z	27 \| good	4.644 \| good	20.052 \| good	18.17 \| good	5.049 \| good	25.283 \| good	0.196 \| good
2025-09-09T07:00:00.000Z	23 \| good	4.254 \| good	18.571 \| good	18.21 \| good	4.664 \| good	23.809 \| good	0.199 \| good
2025-09-09T08:00:00.000Z	27 \| good	5.188 \| good	20.944 \| good	10.84 \| good	0.232 \| good	11.229 \| good	0.198 \| good
2025-09-09T09:00:00.000Z	27 \| good	4.597 \| good	13.407 \| good	13.062 \| good	0.24 \| good	11.219 \| good	0.198 \| good
2025-09-09T10:00:00.000Z	17 \| good	2.384 \| good	12.408 \| good	17.555 \| good	0.201 \| good	11.393 \| good	0.198 \| good
2025-09-09T11:00:00.000Z	27 \| good	4.714 \| good	16.988 \| good	13.248 \| good	0.256 \| good	13.238 \| good	0.215 \| good
2025-09-09T12:00:00.000Z	16 \| good	3.35 \| good	14.893 \| good	15.561 \| good	0.24 \| good	14.897 \| good	0.175 \| good
2025-09-09T13:00:00.000Z	21 \| good	3.006 \| good	23.225 \| good	13.796 \| good	0.241 \| good	9.103 \| good	0.19 \| good
2025-09-09T14:00:00.000Z	27 \| good	4.555 \| good	14.617 \| good	17.078 \| good	0.314 \| good	9.96 \| good	0.215 \| good
2025-09-09T15:00:00.000Z	27 \| good	4.792 \| good	21.313 \| good	15.661 \| good	0.468 \| good	9.372 \| good	0.192 \| good
2025-09-09T16:00:00.000Z	33 \| good	5.51 \| good	26.864 \| good	15.961 \| good	0.669 \| good	9.802 \| good	0.16 \| good
2025-09-09T17:00:00.000Z	33 \| good	6.321 \| good	24.258 \| good	20.346 \| good	0.679 \| good	9.516 \| good	0.16 \| good
2025-09-09T18:00:00.000Z	47 \| good	6.102 \| good	50.625 \| good	29.414 \| good	0.294 \| good	4.908 \| good	0.16 \| good
2025-09-09T19:00:00.000Z	38 \| good	6.978 \| good	30.706 \| good	32.724 \| good	0.227 \| good	5.98 \| good	0.16 \| good
2025-09-09T20:00:00.000Z	44 \| good	8.143 \| good	29.939 \| good	38.877 \| good	0.169 \| good	6.388 \| good	0.183 \| good
2025-09-09T21:00:00.000Z	44 \| good	8.132 \| good	28.999 \| good	45.87 \| good	0.238 \| good	6.011 \| good	0.2 \| good
2025-09-09T22:00:00.000Z	51 \| moderate	6.048 \| good	24.645 \| good	54.872 \| good	0.166 \| good	5.931 \| good	0.186 \| good
2025-09-09T23:00:00.000Z	47 \| good	8.093 \| good	26.141 \| good	50.954 \| good	0.122 \| good	4.96 \| good	0.183 \| good
2025-09-10T00:00:00.000Z	49 \| good	6.652 \| good	42.786 \| good	53.095 \| good	0.14 \| good	3.565 \| good	0.182 \| good
2025-09-10T01:00:00.000Z	49 \| good	8.814 \| good	27.297 \| good	36.449 \| good	0.221 \| good	4.339 \| good	0.186 \| good
2025-09-10T02:00:00.000Z	33 \| good	6.138 \| good	29.467 \| good	35.484 \| good	0.211 \| good	5.142 \| good	0.186 \| good
2025-09-10T03:00:00.000Z	31 \| good	5.299 \| good	33.339 \| good	27.026 \| good	0.202 \| good	6.053 \| good	0.183 \| good
2025-09-10T04:00:00.000Z	27 \| good	4.58 \| good	13.613 \| good	23.702 \| good	0.255 \| good	5.95 \| good	0.16 \| good
2025-09-10T05:00:00.000Z	27 \| good	5.444 \| good	19.348 \| good	21.335 \| good	0.457 \| good	6.508 \| good	0.162 \| good
2025-09-10T06:00:00.000Z	22 \| good	4.488 \| good	11.891 \| good	20.398 \| good	0.36 \| good	5.938 \| good	0.162 \| good
2025-09-10T07:00:00.000Z	27 \| good	4.921 \| good	15.559 \| good	16.667 \| good	0.221 \| good	7.406 \| good	0.162 \| good
2025-09-10T08:00:00.000Z	49 \| good	8.958 \| good	14.814 \| good	15.238 \| good	0.351 \| good	8.165 \| good	0.183 \| good
2025-09-10T09:00:00.000Z	27 \| good	4.707 \| good	24.488 \| good	14.75 \| good	0.294 \| good	7.167 \| good	0.122 \| good
2025-09-10T10:00:00.000Z	22 \| good	4.345 \| good	14.995 \| good	14.81 \| good	0.255 \| good	6.698 \| good	0.109 \| good
2025-09-10T11:00:00.000Z	16 \| good	3.209 \| good	13.745 \| good	17.239 \| good	4.425 \| good	16.135 \| good	0.144 \| good
2025-09-10T12:00:00.000Z	22 \| good	3.969 \| good	17.402 \| good	16.93 \| good	4.128 \| good	14.405 \| good	0.138 \| good
2025-09-10T13:00:00.000Z	15 \| good	2.009 \| good	8.055 \| good	16.269 \| good	3.738 \| good	12.499 \| good	0.137 \| good
2025-09-10T14:00:00.000Z	18 \| good	1.866 \| good	7.943 \| good	19.137 \| good	3.347 \| good	10.592 \| good	0.136 \| good
2025-09-10T15:00:00.000Z	23 \| good	2.115 \| good	8.38 \| good	25.482 \| good	2.957 \| good	8.686 \| good	0.134 \| good
2025-09-10T16:00:00.000Z	28 \| good	2.683 \| good	11.1 \| good	30.101 \| good	2.606 \| good	7.24 \| good	0.129 \| good
2025-09-10T17:00:00.000Z	32 \| good	3.71 \| good	16.153 \| good	35.082 \| good	2.255 \| good	5.794 \| good	0.124 \| good
2025-09-10T18:00:00.000Z	36 \| good	3.88 \| good	17.099 \| good	38.919 \| good	1.904 \| good	4.348 \| good	0.119 \| good
2025-09-10T19:00:00.000Z	42 \| good	5.313 \| good	22.957 \| good	44.773 \| good	2.022 \| good	4.082 \| good	0.119 \| good
2025-09-10T20:00:00.000Z	46 \| good	5.878 \| good	26.455 \| good	49.666 \| good	2.139 \| good	3.816 \| good	0.119 \| good
2025-09-10T21:00:00.000Z	47 \| good	6.828 \| good	30.059 \| good	50.786 \| good	2.257 \| good	3.549 \| good	0.119 \| good
2025-09-10T22:00:00.000Z	50 \| good	6.798 \| good	30.047 \| good	54.108 \| good	2.516 \| good	4.032 \| good	0.121 \| good
2025-09-10T23:00:00.000Z	48 \| good	6.678 \| good	29.857 \| good	52.451 \| good	2.776 \| good	4.514 \| good	0.122 \| good
2025-09-11T00:00:00.000Z	49 \| good	8.624 \| good	37.978 \| good	49.951 \| good	3.035 \| good	4.996 \| good	0.124 \| good
2025-09-11T01:00:00.000Z	42 \| good	7.388 \| good	32.493 \| good	44.706 \| good	3.339 \| good	7.439 \| good	0.129 \| good
2025-09-11T02:00:00.000Z	44 \| good	8.492 \| good	37.427 \| good	36.01 \| good	3.643 \| good	9.882 \| good	0.134 \| good
2025-09-11T03:00:00.000Z	49 \| good	8.808 \| good	39.433 \| good	35.845 \| good	3.947 \| good	12.325 \| good	0.139 \| good
2025-09-11T04:00:00.000Z	44 \| good	8.15 \| good	36.038 \| good	31.192 \| good	4.207 \| good	14.266 \| good	0.144 \| good
2025-09-11T05:00:00.000Z	38 \| good	7.406 \| good	32.97 \| good	28.75 \| good	4.466 \| good	16.207 \| good	0.149 \| good
2025-09-11T06:00:00.000Z	33 \| good	6.356 \| good	28.151 \| good	25.898 \| good	4.725 \| good	18.149 \| good	0.153 \| good
2025-09-11T07:00:00.000Z	22 \| good	4.338 \| good	18.487 \| good	23.878 \| good	4.736 \| good	19.398 \| good	0.158 \| good
2025-09-11T08:00:00.000Z	27 \| good	5.11 \| good	22.165 \| good	22.287 \| good	4.747 \| good	20.648 \| good	0.163 \| good
2025-09-11T09:00:00.000Z	27 \| good	4.838 \| good	20.698 \| good	20.85 \| good	4.758 \| good	21.898 \| good	0.168 \| good
2025-09-11T10:00:00.000Z	22 \| good	4.093 \| good	17.819 \| good	20.284 \| good	4.936 \| good	21.012 \| good	0.163 \| good
2025-09-11T11:00:00.000Z	19 \| good	3.335 \| good	14.837 \| good	19.154 \| good	5.114 \| good	20.126 \| good	0.158 \| good
2025-09-11T12:00:00.000Z	27 \| good	4.873 \| good	20.838 \| good	15.633 \| good	5.292 \| good	19.24 \| good	0.154 \| good
2025-09-11T13:00:00.000Z	16 \| good	2.262 \| good	9.154 \| good	16.491 \| good	5.187 \| good	17.16 \| good	0.159 \| good
2025-09-11T14:00:00.000Z	17 \| good	3.006 \| good	11.98 \| good	17.63 \| good	5.082 \| good	15.08 \| good	0.164 \| good
2025-09-11T15:00:00.000Z	22 \| good	3.603 \| good	15.887 \| good	20.509 \| good	4.977 \| good	13 \| good	0.168 \| good
2025-09-11T16:00:00.000Z	27 \| good	4.753 \| good	20.765 \| good	24.322 \| good	4.403 \| good	10.708 \| good	0.157 \| good
2025-09-11T17:00:00.000Z	29 \| good	4.649 \| good	19.958 \| good	31.176 \| good	3.829 \| good	8.416 \| good	0.145 \| good
2025-09-11T18:00:00.000Z	33 \| good	3.571 \| good	15.89 \| good	35.982 \| good	3.256 \| good	6.123 \| good	0.133 \| good
2025-09-11T19:00:00.000Z	38 \| good	4.797 \| good	20.784 \| good	41.188 \| good	3.396 \| good	5.812 \| good	0.132 \| good
2025-09-11T20:00:00.000Z	43 \| good	6.271 \| good	27.657 \| good	46.249 \| good	3.536 \| good	5.5 \| good	0.131 \| good
2025-09-11T21:00:00.000Z	46 \| good	6.038 \| good	26.753 \| good	50.153 \| good	3.676 \| good	5.188 \| good	0.131 \| good
2025-09-11T22:00:00.000Z	48 \| good	5.996 \| good	26.318 \| good	52.13 \| good	3.903 \| good	5.643 \| good	0.132 \| good
2025-09-11T23:00:00.000Z	44 \| good	5.707 \| good	24.578 \| good	47.706 \| good	4.129 \| good	6.098 \| good	0.133 \| good
2025-09-12T00:00:00.000Z	41 \| good	6.413 \| good	28.634 \| good	43.854 \| good	4.356 \| good	6.553 \| good	0.133 \| good
2025-09-12T01:00:00.000Z	35 \| good	6.22 \| good	27.59 \| good	37.775 \| good	4.545 \| good	9.296 \| good	0.141 \| good
2025-09-12T02:00:00.000Z	38 \| good	7.498 \| good	33.061 \| good	31.726 \| good	4.735 \| good	12.039 \| good	0.148 \| good
2025-09-12T03:00:00.000Z	38 \| good	6.986 \| good	31.144 \| good	30.445 \| good	4.924 \| good	14.782 \| good	0.155 \| good
2025-09-12T04:00:00.000Z	38 \| good	7.267 \| good	32.319 \| good	28.173 \| good	5.118 \| good	17.41 \| good	0.165 \| good
2025-09-12T05:00:00.000Z	38 \| good	6.92 \| good	30.345 \| good	26.82 \| good	5.312 \| good	20.038 \| good	0.174 \| good
2025-09-12T06:00:00.000Z	66 \| moderate	16.67 \| fine	18.168 \| good	14.203 \| good	5.535 \| good	22.915 \| good	0.184 \| good
2025-09-12T07:00:00.000Z	27 \| good	4.573 \| good	19.691 \| good	23.297 \| good	5.35 \| good	23.683 \| good	0.19 \| good
2025-09-12T08:00:00.000Z	27 \| good	5.096 \| good	21.828 \| good	22.002 \| good	5.195 \| good	24.7 \| good	0.197 \| good
2025-09-12T09:00:00.000Z	27 \| good	5.038 \| good	21.72 \| good	22.028 \| good	5.039 \| good	25.717 \| good	0.204 \| good
2025-09-12T10:00:00.000Z	24 \| good	3.871 \| good	16.874 \| good	21.245 \| good	4.878 \| good	25.313 \| good	0.202 \| good

Sierra Madre, California live air quality index now

Major air pollutants in Sierra Madre, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Sierra Madre, California air quality map: Track AQI near you

Air quality in nearby cities

Arcadia, California

Monrovia, California

East San Gabriel, California

Temple City, California

San Marino, California

Duarte, California

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Frequently asked questions

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

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

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What is the current air quality in Sierra Madre, California?

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

What is the current concentration of PM10 in Sierra Madre, California?

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

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

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

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

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 Sierra Madre, California?

What is the current concentration of PM₁₀ in Sierra Madre, California?

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

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

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