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

The PM10 concentration in Rosemead, California is 22.351 μg/m3 at the moment.

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

Currently, Rosemead, California has a sulfur dioxide (SO2) concentration of 0.245 ppb.

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

The current ozone (O3) level in Rosemead, California at the moment is 40.779 ppm.

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

Nitrogen dioxide (NO2) level in Rosemead, California at the moment is 0.896 ppb.

Live air quality index in Rosemead, California today

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

PM2.5 levels in Rosemead, California are currently 4.009 μg/m3.

Stay updated with real-time air quality in Rosemead, 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

Rosemead, California

Last updated: ... (Local time)

Major air pollutants in Rosemead, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.33 μg/m³

155

255

425

605+

Ozone (O₃)

41.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

0.80 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Rosemead, California

Scroll To Air Quality Map

Track live Rosemead, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-06T01:00:00.000Z	40 \| good	2.634 \| good	11.752 \| good	43.461 \| good	0.197 \| good	4.475 \| good	0.209 \| good
2026-03-06T02:00:00.000Z	37 \| good	1.96 \| good	9.083 \| good	39.81 \| good	0.271 \| good	8.032 \| good	0.182 \| good
2026-03-06T03:00:00.000Z	52 \| moderate	9.704 \| good	43.672 \| good	19.489 \| good	2.024 \| good	22.875 \| good	0.215 \| good
2026-03-06T04:00:00.000Z	34 \| good	4.814 \| good	24.386 \| good	36.666 \| good	0.389 \| good	15.873 \| good	0.238 \| good
2026-03-06T05:00:00.000Z	33 \| good	6.094 \| good	27.954 \| good	26.922 \| good	0.426 \| good	22.261 \| good	0.296 \| good
2026-03-06T06:00:00.000Z	38 \| good	6.65 \| good	28.031 \| good	26.793 \| good	0.294 \| good	24.742 \| good	0.301 \| good
2026-03-06T07:00:00.000Z	33 \| good	5.812 \| good	25.328 \| good	20.249 \| good	0.276 \| good	24.742 \| good	0.301 \| good
2026-03-06T08:00:00.000Z	27 \| good	4.776 \| good	21.269 \| good	14.909 \| good	0.276 \| good	25.37 \| good	0.374 \| good
2026-03-06T09:00:00.000Z	38 \| good	7.4 \| good	33.249 \| good	6.883 \| good	0.285 \| good	24.571 \| good	0.41 \| good
2026-03-06T10:00:00.000Z	38 \| good	7.089 \| good	29.913 \| good	4.948 \| good	0.278 \| good	25.865 \| good	0.391 \| good
2026-03-06T11:00:00.000Z	33 \| good	6.235 \| good	26.298 \| good	4.309 \| good	0.419 \| good	26.645 \| good	0.343 \| good
2026-03-06T12:00:00.000Z	38 \| good	7.418 \| good	35.035 \| good	6.632 \| good	0.287 \| good	20.244 \| good	0.306 \| good
2026-03-06T13:00:00.000Z	38 \| good	7.14 \| good	31.985 \| good	6.632 \| good	0.273 \| good	20.244 \| good	0.306 \| good
2026-03-06T14:00:00.000Z	33 \| good	5.981 \| good	25.012 \| good	7.225 \| good	0.431 \| good	21.592 \| good	0.468 \| good
2026-03-06T15:00:00.000Z	33 \| good	6.339 \| good	28.884 \| good	9.614 \| good	0.821 \| good	21.793 \| good	0.699 \| good
2026-03-06T16:00:00.000Z	20 \| good	3.326 \| good	12.986 \| good	14.843 \| good	0.824 \| good	21.111 \| good	0.725 \| good
2026-03-06T17:00:00.000Z	27 \| good	4.903 \| good	21.4 \| good	20.913 \| good	1.414 \| good	18.18 \| good	0.574 \| good
2026-03-06T18:00:00.000Z	44 \| good	7.555 \| good	33.869 \| good	26.587 \| good	0.771 \| good	10.677 \| good	0.26 \| good
2026-03-06T19:00:00.000Z	38 \| good	7.448 \| good	31.139 \| good	31.57 \| good	0.398 \| good	8.881 \| good	0.221 \| good
2026-03-06T20:00:00.000Z	33 \| good	5.639 \| good	27.221 \| good	35.218 \| good	0.361 \| good	7.864 \| good	0.183 \| good
2026-03-06T21:00:00.000Z	36 \| good	4.765 \| good	23.498 \| good	39.345 \| good	0.322 \| good	5.639 \| good	0.183 \| good
2026-03-06T22:00:00.000Z	40 \| good	3.05 \| good	18.765 \| good	43.043 \| good	0.362 \| good	4.104 \| good	0.183 \| good
2026-03-06T23:00:00.000Z	42 \| good	4.188 \| good	24.318 \| good	44.991 \| good	0.346 \| good	4.78 \| good	0.191 \| good
2026-03-07T00:00:00.000Z	43 \| good	4.286 \| good	19.896 \| good	45.966 \| good	0.359 \| good	4.365 \| good	0.202 \| good
2026-03-07T01:00:00.000Z	43 \| good	2.946 \| good	13.123 \| good	45.809 \| good	0.242 \| good	5.213 \| good	0.221 \| good
2026-03-07T02:00:00.000Z	40 \| good	4.495 \| good	20.251 \| good	43.029 \| good	0.27 \| good	9.997 \| good	0.212 \| good
2026-03-07T03:00:00.000Z	34 \| good	6.079 \| good	29.003 \| good	37.287 \| good	0.285 \| good	18.153 \| good	0.341 \| good
2026-03-07T04:00:00.000Z	33 \| good	5.749 \| good	24.436 \| good	25.722 \| good	0.284 \| good	33.535 \| good	0.573 \| good
2026-03-07T05:00:00.000Z	38 \| good	7.068 \| good	29.317 \| good	20.39 \| good	0.503 \| good	33.416 \| good	0.706 \| good
2026-03-07T06:00:00.000Z	44 \| good	8.071 \| good	35.595 \| good	20.39 \| good	0.353 \| good	30.625 \| good	0.793 \| good
2026-03-07T07:00:00.000Z	44 \| good	8.222 \| good	35.988 \| good	15.923 \| good	0.35 \| good	30.625 \| good	0.791 \| good
2026-03-07T08:00:00.000Z	52 \| moderate	10.126 \| good	43.751 \| good	11.141 \| good	0.458 \| good	31.967 \| good	0.843 \| good
2026-03-07T09:00:00.000Z	52 \| moderate	10.027 \| good	42.068 \| good	15.38 \| good	0.602 \| good	25.285 \| good	0.763 \| good
2026-03-07T10:00:00.000Z	52 \| moderate	9.928 \| good	42.369 \| good	16.748 \| good	0.574 \| good	26.52 \| good	0.628 \| good
2026-03-07T11:00:00.000Z	44 \| good	8.409 \| good	33.928 \| good	12.966 \| good	0.984 \| good	23.342 \| good	0.496 \| good
2026-03-07T12:00:00.000Z	27 \| good	4.934 \| good	18.736 \| good	14.468 \| good	0.333 \| good	5.709 \| good	0.249 \| good
2026-03-07T13:00:00.000Z	27 \| good	4.612 \| good	19.528 \| good	14.468 \| good	0.334 \| good	5.663 \| good	0.249 \| good
2026-03-07T14:00:00.000Z	29 \| good	2.333 \| good	10.689 \| good	31.371 \| good	0.23 \| good	3.524 \| good	0.209 \| good
2026-03-07T15:00:00.000Z	33 \| good	2.885 \| good	17.677 \| good	35.931 \| good	0.297 \| good	2.761 \| good	0.164 \| good
2026-03-07T16:00:00.000Z	34 \| good	2.862 \| good	16.183 \| good	37.295 \| good	0.534 \| good	4.711 \| good	0.164 \| good
2026-03-07T17:00:00.000Z	38 \| good	3.204 \| good	18.67 \| good	40.95 \| good	0.54 \| good	1.967 \| good	0.164 \| good
2026-03-07T18:00:00.000Z	39 \| good	2.987 \| good	19.176 \| good	41.776 \| good	0.244 \| good	1.164 \| good	0.119 \| good
2026-03-07T19:00:00.000Z	39 \| good	3.796 \| good	22.625 \| good	41.674 \| good	0.231 \| good	1.835 \| good	0.119 \| good
2026-03-07T20:00:00.000Z	38 \| good	4.009 \| good	22.351 \| good	40.779 \| good	0.245 \| good	0.896 \| good	0.119 \| good
2026-03-07T21:00:00.000Z	39 \| good	4.021 \| good	20.408 \| good	42.048 \| good	0.578 \| good	0.785 \| good	0.119 \| good
2026-03-07T22:00:00.000Z	38 \| good	4.538 \| good	23.763 \| good	41.258 \| good	0.287 \| good	0.706 \| good	0.119 \| good
2026-03-07T23:00:00.000Z	39 \| good	3.295 \| good	17.331 \| good	41.7 \| good	0.302 \| good	0.797 \| good	0.119 \| good
2026-03-08T00:00:00.000Z	41 \| good	2.94 \| good	16.244 \| good	43.916 \| good	0.281 \| good	0.674 \| good	0.119 \| good
2026-03-08T00:00:00.000Z	39 \| good	3.295 \| good	17.331 \| good	41.7 \| good	0.302 \| good	0.797 \| good	0.119 \| good
2026-03-07T21:00:00.000Z	45 \| good	2.138 \| good	8.527 \| good	48.751 \| good	0.454 \| good	1.709 \| good	0.133 \| good
2026-03-07T22:00:00.000Z	48 \| good	4.207 \| good	18.592 \| good	51.773 \| good	0.432 \| good	1.862 \| good	0.131 \| good
2026-03-07T23:00:00.000Z	46 \| good	1.562 \| good	6.201 \| good	50.456 \| good	0.409 \| good	2.016 \| good	0.13 \| good
2026-03-08T00:00:00.000Z	44 \| good	0.997 \| good	4.104 \| good	47.964 \| good	0.387 \| good	2.169 \| good	0.128 \| good
2026-03-08T01:00:00.000Z	40 \| good	1.06 \| good	4.234 \| good	43.314 \| good	0.593 \| good	5.501 \| good	0.141 \| good
2026-03-08T02:00:00.000Z	34 \| good	5.188 \| good	22.739 \| good	36.691 \| good	0.8 \| good	8.833 \| good	0.155 \| good
2026-03-08T03:00:00.000Z	44 \| good	7.826 \| good	34.234 \| good	26.834 \| good	1.006 \| good	12.165 \| good	0.168 \| good
2026-03-08T04:00:00.000Z	38 \| good	7.102 \| good	31.231 \| good	20.158 \| good	1.362 \| good	17.788 \| good	0.188 \| good
2026-03-08T05:00:00.000Z	27 \| good	5.307 \| good	23.352 \| good	15.989 \| good	1.718 \| good	23.412 \| good	0.209 \| good
2026-03-08T06:00:00.000Z	33 \| good	6.296 \| good	27.344 \| good	15.969 \| good	2.075 \| good	29.035 \| good	0.23 \| good
2026-03-08T07:00:00.000Z	39 \| good	2.096 \| good	8.374 \| good	42.449 \| good	1.871 \| good	26.48 \| good	0.216 \| good
2026-03-08T08:00:00.000Z	37 \| good	3.221 \| good	14.039 \| good	40.34 \| good	1.668 \| good	23.925 \| good	0.201 \| good
2026-03-08T09:00:00.000Z	27 \| good	4.518 \| good	19.652 \| good	28.808 \| good	1.465 \| good	21.371 \| good	0.187 \| good
2026-03-08T10:00:00.000Z	38 \| good	6.764 \| good	29.83 \| good	20.117 \| good	1.348 \| good	17.767 \| good	0.173 \| good
2026-03-08T11:00:00.000Z	33 \| good	5.969 \| good	26.167 \| good	19.693 \| good	1.231 \| good	14.163 \| good	0.16 \| good
2026-03-08T12:00:00.000Z	27 \| good	5.445 \| good	24.025 \| good	17.231 \| good	1.114 \| good	10.559 \| good	0.146 \| good
2026-03-08T13:00:00.000Z	33 \| good	5.705 \| good	24.945 \| good	14.083 \| good	1.208 \| good	11.478 \| good	0.151 \| good
2026-03-08T14:00:00.000Z	33 \| good	6.231 \| good	27.251 \| good	13.547 \| good	1.301 \| good	12.397 \| good	0.156 \| good
2026-03-08T15:00:00.000Z	27 \| good	5.132 \| good	22.545 \| good	25.035 \| good	1.394 \| good	13.316 \| good	0.161 \| good
2026-03-08T16:00:00.000Z	32 \| good	3.739 \| good	16.299 \| good	35.46 \| good	1.527 \| good	12.745 \| good	0.169 \| good
2026-03-08T17:00:00.000Z	38 \| good	2.729 \| good	11.064 \| good	41.48 \| good	1.66 \| good	12.174 \| good	0.177 \| good
2026-03-08T18:00:00.000Z	42 \| good	0.614 \| good	2.039 \| good	45.15 \| good	1.793 \| good	11.604 \| good	0.185 \| good
2026-03-08T19:00:00.000Z	43 \| good	2.283 \| good	9.479 \| good	46.427 \| good	1.468 \| good	8.78 \| good	0.165 \| good
2026-03-08T20:00:00.000Z	42 \| good	4.291 \| good	18.55 \| good	45.2 \| good	1.143 \| good	5.956 \| good	0.146 \| good
2026-03-08T21:00:00.000Z	44 \| good	4.113 \| good	17.885 \| good	46.583 \| good	0.818 \| good	3.132 \| good	0.127 \| good
2026-03-08T22:00:00.000Z	45 \| good	3.269 \| good	13.942 \| good	49.003 \| good	0.744 \| good	3.046 \| good	0.125 \| good
2026-03-08T23:00:00.000Z	50 \| good	2.222 \| good	9.348 \| good	53.877 \| good	0.671 \| good	2.96 \| good	0.123 \| good
2026-03-09T00:00:00.000Z	46 \| good	1.23 \| good	5.047 \| good	50.332 \| good	0.598 \| good	2.874 \| good	0.121 \| good
2026-03-09T01:00:00.000Z	39 \| good	2.421 \| good	10.132 \| good	41.533 \| good	1.079 \| good	14.226 \| good	0.19 \| good
2026-03-09T02:00:00.000Z	31 \| good	3.957 \| good	17.34 \| good	34.059 \| good	1.561 \| good	25.578 \| good	0.259 \| good
2026-03-09T03:00:00.000Z	35 \| good	6.175 \| good	26.884 \| good	26.494 \| good	2.042 \| good	36.93 \| good	0.327 \| good
2026-03-09T04:00:00.000Z	38 \| good	7.2 \| good	31.686 \| good	22.925 \| good	2.246 \| good	36.635 \| good	0.33 \| good
2026-03-09T05:00:00.000Z	38 \| good	6.965 \| good	30.536 \| good	18.573 \| good	2.45 \| good	36.339 \| good	0.333 \| good
2026-03-09T06:00:00.000Z	67 \| moderate	18.261 \| fine	20.762 \| good	7.585 \| good	2.69 \| good	36.383 \| good	0.34 \| good
2026-03-09T07:00:00.000Z	38 \| good	7.186 \| good	31.735 \| good	15.079 \| good	2.334 \| good	33.589 \| good	0.304 \| good
2026-03-09T08:00:00.000Z	29 \| good	3.726 \| good	16 \| good	31.428 \| good	2.013 \| good	31.134 \| good	0.272 \| good
2026-03-09T09:00:00.000Z	29 \| good	5.05 \| good	21.7 \| good	31.069 \| good	1.693 \| good	28.679 \| good	0.239 \| good
2026-03-09T10:00:00.000Z	38 \| good	7.253 \| good	31.88 \| good	13.734 \| good	1.672 \| good	25.408 \| good	0.217 \| good
2026-03-09T11:00:00.000Z	44 \| good	7.76 \| good	34.34 \| good	11.941 \| good	1.65 \| good	22.136 \| good	0.194 \| good
2026-03-09T12:00:00.000Z	58 \| moderate	12.511 \| fine	18.049 \| good	19.333 \| good	1.65 \| good	19.085 \| good	0.172 \| good
2026-03-09T13:00:00.000Z	58 \| moderate	13.397 \| fine	19.403 \| good	18.278 \| good	2.144 \| good	21.461 \| good	0.189 \| good
2026-03-09T14:00:00.000Z	62 \| moderate	14.741 \| fine	21.364 \| good	17.224 \| good	2.639 \| good	23.837 \| good	0.206 \| good
2026-03-09T15:00:00.000Z	69 \| moderate	18.5 \| fine	25.559 \| good	16.169 \| good	3.133 \| good	26.213 \| good	0.222 \| good
2026-03-09T16:00:00.000Z	67 \| moderate	18.04 \| fine	26.057 \| good	24.469 \| good	3.263 \| good	21.148 \| good	0.204 \| good
2026-03-09T17:00:00.000Z	38 \| good	7.058 \| good	31.062 \| good	35.466 \| good	3.383 \| good	15.96 \| good	0.185 \| good
2026-03-09T18:00:00.000Z	64 \| moderate	15.732 \| fine	26.5 \| good	41.068 \| good	3.523 \| good	11.018 \| good	0.167 \| good
2026-03-09T19:00:00.000Z	64 \| moderate	15.866 \| fine	26.925 \| good	44.806 \| good	3.669 \| good	10.067 \| good	0.163 \| good
2026-03-09T20:00:00.000Z	66 \| moderate	16.972 \| fine	28.482 \| good	48.544 \| good	3.816 \| good	9.117 \| good	0.159 \| good

Rosemead

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

0.12ppm

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 Rosemead, California?

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

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

In the past 24 hours, the air quality in Rosemead, California was at its worst at 10:00:00 on 2026-03-07.

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

In the last 24 hours, the best air quality in Rosemead, California was observed at 01:00:00 on 2026-03-07.

What is the AQI in Rosemead, California right now?

As of now, the AQI in Rosemead, California is 38, indicating Good conditions.

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

Rosemead, California air has the highest levels of O3.

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

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

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

PM_2.5 levels in Rosemead, California are currently 4.009 μg/m³.

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

The PM₁₀ concentration in Rosemead, California is 22.351 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Rosemead, California is 0.119 ppm.

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

Currently, Rosemead, California has a sulfur dioxide (SO₂) concentration of 0.245 ppb.

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

The current ozone (O₃) level in Rosemead, California at the moment is 40.779 ppm.

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

Nitrogen dioxide (NO₂) level in Rosemead, California at the moment is 0.896 ppb.

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