What is the current concentration of PM10 in Westfield, New Jersey?

The current PM10 concentration at Westfield, New Jersey is 11.872 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Westfield, New Jersey?

The current sulfur dioxide (SO2) concentration at Westfield, New Jersey is 0.25 ppb.

What is the current concentration of ozone (O3) in Westfield, New Jersey?

The current ozone (O3) concentration at Westfield, New Jersey is 21.876 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Westfield, New Jersey?

The current nitrogen dioxide (NO2) concentration at Westfield, New Jersey is 8 ppb.

Westfield, New Jersey live air quality index now

Q: What is the current concentration of PM2.5 in Westfield, New Jersey?

The current PM2.5 concentration at Westfield, New Jersey is 2.795 μg/m3.

Stay updated with real-time air quality in Westfield, New Jersey 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

Westfield, New Jersey

Last updated: ... (Local time)

Major air pollutants in Westfield, New Jersey

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.04 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.09 μg/m³

155

255

425

605+

Ozone (O₃)

14.69 ppb

201

201+

Sulfur Dioxide (SO₂)

0.25 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.39 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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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Westfield, New Jersey

Scroll To Air Quality Map

Track live Westfield, New Jersey air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-21T11:00:00.000Z	19 \| good	2.654 \| good	11.452 \| good	19.751 \| good	0.596 \| good	10.738 \| good	0.193 \| good
2025-10-21T12:00:00.000Z	27 \| good	5.298 \| good	20.021 \| good	13.484 \| good	0.677 \| good	14.846 \| good	0.283 \| good
2025-10-21T13:00:00.000Z	22 \| good	3.842 \| good	16.934 \| good	11.773 \| good	0.908 \| good	16.156 \| good	0.392 \| good
2025-10-21T14:00:00.000Z	27 \| good	5.461 \| good	25.02 \| good	13.778 \| good	0.975 \| good	13.338 \| good	0.402 \| good
2025-10-21T15:00:00.000Z	22 \| good	3.793 \| good	17.939 \| good	16.337 \| good	1.243 \| good	14.162 \| good	0.284 \| good
2025-10-21T16:00:00.000Z	38 \| good	6.508 \| good	23.837 \| good	21.426 \| good	1.385 \| good	10.369 \| good	0.274 \| good
2025-10-21T17:00:00.000Z	38 \| good	6.849 \| good	27.257 \| good	23.601 \| good	1.207 \| good	9.307 \| good	0.22 \| good
2025-10-21T18:00:00.000Z	27 \| good	5.432 \| good	13.435 \| good	26.596 \| good	0.835 \| good	7.371 \| good	0.197 \| good
2025-10-21T19:00:00.000Z	28 \| good	4.905 \| good	17.269 \| good	30.177 \| good	0.76 \| good	6.784 \| good	0.216 \| good
2025-10-21T20:00:00.000Z	31 \| good	4.889 \| good	24.372 \| good	34.2 \| good	0.371 \| good	7.649 \| good	0.216 \| good
2025-10-21T21:00:00.000Z	33 \| good	4.598 \| good	16.868 \| good	36.132 \| good	0.348 \| good	13.949 \| good	0.236 \| good
2025-10-21T22:00:00.000Z	34 \| good	3.049 \| good	16.471 \| good	36.772 \| good	0.359 \| good	17.059 \| good	0.236 \| good
2025-10-21T23:00:00.000Z	33 \| good	4.331 \| good	18.818 \| good	36.226 \| good	0.356 \| good	14.818 \| good	0.236 \| good
2025-10-22T00:00:00.000Z	34 \| good	4.917 \| good	22.546 \| good	36.725 \| good	0.361 \| good	15.868 \| good	0.245 \| good
2025-10-22T01:00:00.000Z	31 \| good	4.515 \| good	20.452 \| good	33.702 \| good	0.39 \| good	16.789 \| good	0.245 \| good
2025-10-22T02:00:00.000Z	34 \| good	4.658 \| good	18.983 \| good	36.546 \| good	0.208 \| good	11.221 \| good	0.175 \| good
2025-10-22T03:00:00.000Z	49 \| good	9.344 \| good	42.059 \| good	30.761 \| good	2.104 \| good	10.052 \| good	0.175 \| good
2025-10-22T04:00:00.000Z	33 \| good	5.542 \| good	24.531 \| good	35.617 \| good	0.305 \| good	11.695 \| good	0.185 \| good
2025-10-22T05:00:00.000Z	38 \| good	7.14 \| good	29.546 \| good	31.486 \| good	0.305 \| good	8.02 \| good	0.157 \| good
2025-10-22T06:00:00.000Z	38 \| good	7.496 \| good	35.095 \| good	29.077 \| good	0.291 \| good	12.18 \| good	0.157 \| good
2025-10-22T07:00:00.000Z	44 \| good	7.73 \| good	36.67 \| good	24.111 \| good	0.292 \| good	12.236 \| good	0.157 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.928 \| good	34.088 \| good	29.501 \| good	0.304 \| good	14.226 \| good	0.14 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.698 \| good	33.079 \| good	22.55 \| good	0.293 \| good	15.937 \| good	0.176 \| good
2025-10-22T10:00:00.000Z	38 \| good	7.45 \| good	32.644 \| good	17.627 \| good	0.278 \| good	17.224 \| good	0.288 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.268 \| good	36.171 \| good	15.39 \| good	0.167 \| good	14.896 \| good	0.317 \| good
2025-10-22T12:00:00.000Z	49 \| good	8.882 \| good	36.434 \| good	20.734 \| good	0.19 \| good	11.874 \| good	0.316 \| good
2025-10-22T13:00:00.000Z	49 \| good	9.122 \| good	43.147 \| good	19.237 \| good	0.193 \| good	10.93 \| good	0.325 \| good
2025-10-22T14:00:00.000Z	56 \| moderate	11.575 \| good	51.256 \| good	22.454 \| good	0.306 \| good	6.248 \| good	0.264 \| good
2025-10-22T15:00:00.000Z	56 \| moderate	11.64 \| good	41.525 \| good	23.523 \| good	0.417 \| good	6.565 \| good	0.264 \| good
2025-10-22T16:00:00.000Z	38 \| good	7.171 \| good	21.929 \| good	26.155 \| good	0.513 \| good	4.858 \| good	0.157 \| good
2025-10-22T17:00:00.000Z	27 \| good	4.888 \| good	25.69 \| good	26.67 \| good	0.623 \| good	4.243 \| good	0.157 \| good
2025-10-22T18:00:00.000Z	33 \| good	5.945 \| good	19.156 \| good	27.55 \| good	0.267 \| good	4.255 \| good	0.109 \| good
2025-10-22T19:00:00.000Z	27 \| good	3.642 \| good	16.853 \| good	29.067 \| good	0.212 \| good	4.173 \| good	0.109 \| good
2025-10-22T20:00:00.000Z	28 \| good	2.184 \| good	13.134 \| good	30.35 \| good	0.237 \| good	6.56 \| good	0.182 \| good
2025-10-22T21:00:00.000Z	27 \| good	2.466 \| good	16.487 \| good	28.829 \| good	0.21 \| good	6.787 \| good	0.173 \| good
2025-10-22T22:00:00.000Z	25 \| good	2.435 \| good	10.604 \| good	27.086 \| good	0.191 \| good	4.968 \| good	0.173 \| good
2025-10-22T23:00:00.000Z	26 \| good	2.102 \| good	11.138 \| good	27.845 \| good	0.191 \| good	5.479 \| good	0.182 \| good
2025-10-23T00:00:00.000Z	22 \| good	4.046 \| good	17.074 \| good	22.554 \| good	0.252 \| good	7.503 \| good	0.191 \| good
2025-10-23T01:00:00.000Z	24 \| good	4.061 \| good	16.804 \| good	26.032 \| good	0.735 \| good	8.156 \| good	0.206 \| good
2025-10-23T02:00:00.000Z	22 \| good	4.072 \| good	18.425 \| good	22.513 \| good	0.253 \| good	7.778 \| good	0.206 \| good
2025-10-23T03:00:00.000Z	22 \| good	3.94 \| good	17.274 \| good	19.509 \| good	0.242 \| good	5.834 \| good	0.167 \| good
2025-10-23T04:00:00.000Z	22 \| good	4.456 \| good	19.043 \| good	21.768 \| good	0.213 \| good	6.594 \| good	0.167 \| good
2025-10-23T05:00:00.000Z	27 \| good	4.9 \| good	21.733 \| good	15.455 \| good	0.189 \| good	8.474 \| good	0.2 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.79 \| good	15.885 \| good	19.555 \| good	0.217 \| good	5.872 \| good	0.177 \| good
2025-10-23T07:00:00.000Z	22 \| good	3.988 \| good	18.134 \| good	21.665 \| good	0.799 \| good	5.613 \| good	0.177 \| good
2025-10-23T08:00:00.000Z	22 \| good	4.356 \| good	19.924 \| good	19.03 \| good	0.203 \| good	6.698 \| good	0.177 \| good
2025-10-23T09:00:00.000Z	27 \| good	4.634 \| good	22.355 \| good	14.89 \| good	0.949 \| good	6.778 \| good	0.177 \| good
2025-10-23T10:00:00.000Z	22 \| good	3.545 \| good	18.276 \| good	12.895 \| good	0.249 \| good	8.432 \| good	0.223 \| good
2025-10-23T10:00:00.000Z	27 \| good	5.037 \| good	22.088 \| good	14.688 \| good	0.246 \| good	11.392 \| good	0.264 \| good
2025-10-23T04:00:00.000Z	44 \| good	8.284 \| good	36.212 \| good	20.084 \| good	2.07 \| good	10.662 \| good	0.182 \| good
2025-10-23T05:00:00.000Z	44 \| good	7.749 \| good	34.173 \| good	20.232 \| good	2.101 \| good	9.75 \| good	0.176 \| good
2025-10-23T06:00:00.000Z	38 \| good	6.919 \| good	30.639 \| good	19.793 \| good	2.132 \| good	8.838 \| good	0.171 \| good
2025-10-23T07:00:00.000Z	44 \| good	7.801 \| good	34.21 \| good	20.135 \| good	2.256 \| good	8.402 \| good	0.167 \| good
2025-10-23T08:00:00.000Z	38 \| good	7.052 \| good	31.302 \| good	17.91 \| good	2.379 \| good	7.966 \| good	0.164 \| good
2025-10-23T09:00:00.000Z	33 \| good	6.36 \| good	28.335 \| good	15.677 \| good	2.503 \| good	7.53 \| good	0.16 \| good
2025-10-23T10:00:00.000Z	33 \| good	5.625 \| good	24.129 \| good	12.285 \| good	2.665 \| good	8.542 \| good	0.17 \| good
2025-10-23T11:00:00.000Z	33 \| good	5.827 \| good	25.536 \| good	12.547 \| good	2.827 \| good	9.555 \| good	0.18 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.132 \| good	18.231 \| good	17.692 \| good	2.989 \| good	10.568 \| good	0.189 \| good
2025-10-23T13:00:00.000Z	22 \| good	4.168 \| good	18.302 \| good	22.605 \| good	3.045 \| good	8.787 \| good	0.183 \| good
2025-10-23T14:00:00.000Z	22 \| good	3.407 \| good	14.838 \| good	24.133 \| good	3.101 \| good	7.006 \| good	0.176 \| good
2025-10-23T15:00:00.000Z	23 \| good	2.549 \| good	10.254 \| good	25.454 \| good	3.156 \| good	5.226 \| good	0.169 \| good
2025-10-23T16:00:00.000Z	24 \| good	2.94 \| good	11.936 \| good	26.171 \| good	2.765 \| good	4.577 \| good	0.161 \| good
2025-10-23T17:00:00.000Z	25 \| good	2.821 \| good	11.632 \| good	27.399 \| good	2.374 \| good	3.928 \| good	0.154 \| good
2025-10-23T18:00:00.000Z	24 \| good	2.71 \| good	10.951 \| good	25.986 \| good	1.982 \| good	3.279 \| good	0.146 \| good
2025-10-23T19:00:00.000Z	23 \| good	2.674 \| good	10.66 \| good	25.351 \| good	1.94 \| good	3.642 \| good	0.147 \| good
2025-10-23T20:00:00.000Z	25 \| good	1.809 \| good	7.627 \| good	26.692 \| good	1.897 \| good	4.004 \| good	0.149 \| good
2025-10-23T21:00:00.000Z	24 \| good	2.942 \| good	11.929 \| good	26.034 \| good	1.854 \| good	4.367 \| good	0.15 \| good
2025-10-23T22:00:00.000Z	27 \| good	1.036 \| good	4.172 \| good	28.73 \| good	1.966 \| good	7.132 \| good	0.166 \| good
2025-10-23T23:00:00.000Z	26 \| good	0.259 \| good	0.854 \| good	27.748 \| good	2.077 \| good	9.897 \| good	0.182 \| good
2025-10-24T00:00:00.000Z	22 \| good	2.115 \| good	8.501 \| good	24.086 \| good	2.189 \| good	12.663 \| good	0.198 \| good
2025-10-24T01:00:00.000Z	33 \| good	5.661 \| good	24.472 \| good	20.061 \| good	2.216 \| good	12.283 \| good	0.197 \| good
2025-10-24T02:00:00.000Z	38 \| good	7.28 \| good	32.38 \| good	16.553 \| good	2.244 \| good	11.904 \| good	0.196 \| good
2025-10-24T03:00:00.000Z	33 \| good	5.84 \| good	25.808 \| good	18.082 \| good	2.272 \| good	11.525 \| good	0.195 \| good
2025-10-24T04:00:00.000Z	27 \| good	5.33 \| good	22.897 \| good	20.088 \| good	2.13 \| good	10.148 \| good	0.188 \| good
2025-10-24T05:00:00.000Z	22 \| good	4.318 \| good	18.841 \| good	20.195 \| good	1.989 \| good	8.772 \| good	0.181 \| good
2025-10-24T06:00:00.000Z	17 \| good	2.985 \| good	12.587 \| good	17.873 \| good	1.848 \| good	7.395 \| good	0.174 \| good
2025-10-24T07:00:00.000Z	22 \| good	4.041 \| good	17.749 \| good	16.806 \| good	1.715 \| good	6.871 \| good	0.168 \| good
2025-10-24T08:00:00.000Z	22 \| good	3.758 \| good	16.305 \| good	14.006 \| good	1.583 \| good	6.347 \| good	0.161 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.017 \| good	12.83 \| good	11.962 \| good	1.45 \| good	5.822 \| good	0.155 \| good
2025-10-24T10:00:00.000Z	16 \| good	2.869 \| good	12.224 \| good	8.559 \| good	1.489 \| good	7.402 \| good	0.168 \| good
2025-10-24T11:00:00.000Z	16 \| good	3.18 \| good	13.849 \| good	5.011 \| good	1.527 \| good	8.982 \| good	0.18 \| good
2025-10-24T12:00:00.000Z	11 \| good	1.924 \| good	7.902 \| good	9.424 \| good	1.566 \| good	10.562 \| good	0.193 \| good
2025-10-24T13:00:00.000Z	16 \| good	2.599 \| good	10.844 \| good	16.717 \| good	1.621 \| good	8.631 \| good	0.185 \| good
2025-10-24T14:00:00.000Z	19 \| good	2.406 \| good	9.845 \| good	20.971 \| good	1.677 \| good	6.699 \| good	0.177 \| good
2025-10-24T15:00:00.000Z	25 \| good	2.3 \| good	9.703 \| good	27.267 \| good	1.732 \| good	4.768 \| good	0.169 \| good
2025-10-24T16:00:00.000Z	29 \| good	2.082 \| good	8.293 \| good	30.877 \| good	1.615 \| good	4.205 \| good	0.164 \| good
2025-10-24T17:00:00.000Z	31 \| good	2.437 \| good	9.936 \| good	33.672 \| good	1.498 \| good	3.642 \| good	0.16 \| good
2025-10-24T18:00:00.000Z	31 \| good	2.102 \| good	8.679 \| good	32.68 \| good	1.381 \| good	3.079 \| good	0.155 \| good
2025-10-24T19:00:00.000Z	30 \| good	2.2 \| good	9.041 \| good	31.845 \| good	1.246 \| good	3.27 \| good	0.154 \| good
2025-10-24T20:00:00.000Z	30 \| good	1.46 \| good	5.661 \| good	31.673 \| good	1.111 \| good	3.462 \| good	0.154 \| good
2025-10-24T21:00:00.000Z	30 \| good	2.047 \| good	8.455 \| good	31.774 \| good	0.976 \| good	3.653 \| good	0.153 \| good
2025-10-24T22:00:00.000Z	23 \| good	1.055 \| good	4.241 \| good	24.78 \| good	1.061 \| good	6.82 \| good	0.171 \| good
2025-10-24T23:00:00.000Z	19 \| good	1.357 \| good	5.383 \| good	21.307 \| good	1.146 \| good	9.987 \| good	0.189 \| good
2025-10-25T00:00:00.000Z	33 \| good	6.023 \| good	6.026 \| good	17.032 \| good	1.21 \| good	13.081 \| good	0.207 \| good
2025-10-25T01:00:00.000Z	19 \| good	2.52 \| good	10.575 \| good	20.921 \| good	1.188 \| good	12.358 \| good	0.2 \| good
2025-10-25T02:00:00.000Z	22 \| good	3.605 \| good	15.656 \| good	18.296 \| good	1.146 \| good	11.562 \| good	0.193 \| good
2025-10-25T03:00:00.000Z	17 \| good	2.496 \| good	10.189 \| good	17.664 \| good	1.104 \| good	10.767 \| good	0.186 \| good

Westfield

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Westfield, New Jersey air quality map: Track AQI near you

0.21ppm

How accurate is New Jersey, USA air quality data?

Air quality data and pollutant measurements for New Jersey, 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 Westfield, New Jersey updated?

The air quality for Westfield, New Jersey is updated every hour.

When was the worst air quality at Westfield, New Jersey in the last 24 hrs?

The worst air quality in Westfield, New Jersey in the last 24 hours was observed at 03:00:00 on 2025-10-22.

When was the best air quality at Westfield, New Jersey in the last 24 hrs?

In the last 24 hrs, the best air quality in Westfield, New Jersey was observed at 02:00:00 on 2025-10-23.

What is the current air quality in Westfield, New Jersey?

The current air quality in Westfield, New Jersey is 20, categorized as Good based on real-time data.

What pollutant is the most common in Westfield, New Jersey?

The most common pollutant in Westfield, New Jersey is O3.

What should I do if the air quality in Westfield, New Jersey is poor?

If the air quality in Westfield, New Jersey is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Westfield, New Jersey?

The current PM_2.5 concentration at Westfield, New Jersey is 2.795 μg/m³.

What is the current concentration of PM₁₀ in Westfield, New Jersey?

The current PM₁₀ concentration at Westfield, New Jersey is 11.872 μg/m³.

What is the current concentration of carbon monoxide (CO) in Westfield, New Jersey?

The current carbon monoxide (CO) concentration at Westfield, New Jersey is 0.206 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Westfield, New Jersey?

The current sulfur dioxide (SO₂) concentration at Westfield, New Jersey is 0.25 ppb.

What is the current concentration of ozone (O₃) in Westfield, New Jersey?

The current ozone (O₃) concentration at Westfield, New Jersey is 21.876 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Westfield, New Jersey?

The current nitrogen dioxide (NO₂) concentration at Westfield, New Jersey is 8 ppb.

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