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

The current PM10 concentration at Westfield, New Jersey is 13.579 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 0.501 ppb.

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

The current ozone (O3) concentration at Westfield, New Jersey is 35.35 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 9.525 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 3.148 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)

3.15 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.58 μg/m³

155

255

425

605+

Ozone (O₃)

35.35 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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
2026-04-23T22:00:00.000Z	50 \| good	6.278 \| good	27.104 \| good	53.75 \| good	0.653 \| good	6.872 \| good	0.279 \| good
2026-04-23T23:00:00.000Z	46 \| good	4.724 \| good	20.227 \| good	50.481 \| good	0.642 \| good	9.21 \| good	0.276 \| good
2026-04-24T00:00:00.000Z	49 \| good	3.177 \| good	12.964 \| good	52.695 \| good	0.67 \| good	13.324 \| good	0.265 \| good
2026-04-24T01:00:00.000Z	47 \| good	2.597 \| good	10.967 \| good	50.971 \| good	0.471 \| good	9.937 \| good	0.265 \| good
2026-04-24T02:00:00.000Z	44 \| good	2.209 \| good	11.518 \| good	48.422 \| good	0.431 \| good	11.946 \| good	0.293 \| good
2026-04-24T03:00:00.000Z	31 \| good	0.661 \| good	2.1 \| good	33.34 \| good	1.144 \| good	12.259 \| good	0.189 \| good
2026-04-24T04:00:00.000Z	36 \| good	2.22 \| good	9.06 \| good	39.426 \| good	0.696 \| good	9.418 \| good	0.268 \| good
2026-04-24T05:00:00.000Z	36 \| good	2.038 \| good	8.566 \| good	38.514 \| good	0.525 \| good	9.548 \| good	0.259 \| good
2026-04-24T06:00:00.000Z	32 \| good	1.895 \| good	7.715 \| good	34.703 \| good	0.487 \| good	10.557 \| good	0.253 \| good
2026-04-24T07:00:00.000Z	29 \| good	2.027 \| good	8.628 \| good	30.648 \| good	0.473 \| good	16.29 \| good	0.261 \| good
2026-04-24T08:00:00.000Z	24 \| good	2.056 \| good	9.138 \| good	25.83 \| good	0.542 \| good	19.855 \| good	0.253 \| good
2026-04-24T09:00:00.000Z	23 \| good	2.047 \| good	8.511 \| good	22.26 \| good	0.485 \| good	23.942 \| good	0.319 \| good
2026-04-24T10:00:00.000Z	29 \| good	1.152 \| good	4.759 \| good	19.968 \| good	0.374 \| good	30.771 \| good	0.2 \| good
2026-04-24T11:00:00.000Z	30 \| good	2.466 \| good	10.833 \| good	17.049 \| good	0.454 \| good	32.422 \| good	0.266 \| good
2026-04-24T12:00:00.000Z	31 \| good	3.559 \| good	14.933 \| good	16.594 \| good	0.425 \| good	32.716 \| good	0.463 \| good
2026-04-24T13:00:00.000Z	31 \| good	3.203 \| good	14.408 \| good	19.451 \| good	0.835 \| good	33.051 \| good	0.373 \| good
2026-04-24T14:00:00.000Z	27 \| good	4.99 \| good	22.067 \| good	26.054 \| good	0.696 \| good	26.947 \| good	0.443 \| good
2026-04-24T15:00:00.000Z	38 \| good	6.914 \| good	30.929 \| good	30.402 \| good	0.871 \| good	27.751 \| good	0.435 \| good
2026-04-24T16:00:00.000Z	49 \| good	8.835 \| good	39.071 \| good	28.779 \| good	0.775 \| good	19.722 \| good	0.345 \| good
2026-04-24T17:00:00.000Z	38 \| good	6.656 \| good	29.52 \| good	33.338 \| good	0.683 \| good	11.518 \| good	0.27 \| good
2026-04-24T18:00:00.000Z	36 \| good	6.049 \| good	25.842 \| good	39.078 \| good	0.557 \| good	6.58 \| good	0.273 \| good
2026-04-24T19:00:00.000Z	36 \| good	5.71 \| good	25.13 \| good	38.761 \| good	0.81 \| good	12.198 \| good	0.352 \| good
2026-04-24T20:00:00.000Z	38 \| good	5.675 \| good	26.116 \| good	41.444 \| good	0.782 \| good	13.684 \| good	0.367 \| good
2026-04-24T21:00:00.000Z	39 \| good	5.696 \| good	26.073 \| good	42.283 \| good	0.716 \| good	14.332 \| good	0.367 \| good
2026-04-24T22:00:00.000Z	41 \| good	5.85 \| good	25.132 \| good	44.178 \| good	0.911 \| good	12.699 \| good	0.367 \| good
2026-04-24T23:00:00.000Z	41 \| good	5.427 \| good	23.092 \| good	44.285 \| good	0.829 \| good	8.52 \| good	0.36 \| good
2026-04-25T00:00:00.000Z	42 \| good	4.287 \| good	18.991 \| good	45.331 \| good	0.765 \| good	9.276 \| good	0.36 \| good
2026-04-25T01:00:00.000Z	42 \| good	5.069 \| good	22.667 \| good	44.764 \| good	0.767 \| good	11.819 \| good	0.352 \| good
2026-04-25T02:00:00.000Z	40 \| good	4.36 \| good	19.705 \| good	43.498 \| good	0.781 \| good	13.388 \| good	0.367 \| good
2026-04-25T03:00:00.000Z	39 \| good	3.896 \| good	16.204 \| good	41.849 \| good	0.506 \| good	8.86 \| good	0.318 \| good
2026-04-25T04:00:00.000Z	37 \| good	3.955 \| good	16.916 \| good	39.566 \| good	0.506 \| good	9.613 \| good	0.318 \| good
2026-04-25T05:00:00.000Z	36 \| good	4.398 \| good	19.412 \| good	38.75 \| good	0.536 \| good	9.747 \| good	0.28 \| good
2026-04-25T06:00:00.000Z	35 \| good	4.94 \| good	21.282 \| good	37.752 \| good	0.398 \| good	9.039 \| good	0.266 \| good
2026-04-25T07:00:00.000Z	35 \| good	4.593 \| good	20.19 \| good	38.185 \| good	0.479 \| good	10.312 \| good	0.266 \| good
2026-04-25T08:00:00.000Z	35 \| good	4.545 \| good	19.635 \| good	37.971 \| good	0.436 \| good	10.724 \| good	0.251 \| good
2026-04-25T09:00:00.000Z	36 \| good	4.426 \| good	19.635 \| good	38.862 \| good	0.437 \| good	8.005 \| good	0.251 \| good
2026-04-25T10:00:00.000Z	35 \| good	4.277 \| good	18.213 \| good	37.938 \| good	0.437 \| good	8.67 \| good	0.187 \| good
2026-04-25T11:00:00.000Z	36 \| good	4.578 \| good	19.886 \| good	39.182 \| good	0.396 \| good	8.564 \| good	0.261 \| good
2026-04-25T12:00:00.000Z	39 \| good	3.555 \| good	14.507 \| good	42.141 \| good	0.453 \| good	9.121 \| good	0.406 \| good
2026-04-25T13:00:00.000Z	39 \| good	3.383 \| good	14.882 \| good	42.293 \| good	0.505 \| good	7.711 \| good	0.251 \| good
2026-04-25T14:00:00.000Z	35 \| good	3.658 \| good	15.779 \| good	38.27 \| good	0.409 \| good	7.673 \| good	0.251 \| good
2026-04-25T15:00:00.000Z	38 \| good	3.472 \| good	15.6 \| good	40.612 \| good	0.409 \| good	7.143 \| good	0.251 \| good
2026-04-25T16:00:00.000Z	38 \| good	3.585 \| good	15.687 \| good	41.243 \| good	0.433 \| good	8.909 \| good	0.266 \| good
2026-04-25T17:00:00.000Z	35 \| good	3.632 \| good	16.42 \| good	37.685 \| good	0.492 \| good	8.932 \| good	0.324 \| good
2026-04-25T18:00:00.000Z	34 \| good	2.872 \| good	12.317 \| good	37.315 \| good	0.449 \| good	8.787 \| good	0.425 \| good
2026-04-25T19:00:00.000Z	34 \| good	2.74 \| good	11.525 \| good	37.104 \| good	0.476 \| good	8.395 \| good	0.425 \| good
2026-04-25T20:00:00.000Z	32 \| good	3.422 \| good	14.887 \| good	35.332 \| good	0.476 \| good	7.627 \| good	0.448 \| good
2026-04-25T21:00:00.000Z	32 \| good	3.515 \| good	15.366 \| good	34.653 \| good	0.507 \| good	10.294 \| good	0.433 \| good
2026-04-25T21:00:00.000Z	32 \| good	3.148 \| good	13.579 \| good	35.35 \| good	0.501 \| good	9.525 \| good	0.43 \| good
2026-04-25T22:00:00.000Z	28 \| good	4.653 \| good	19.926 \| good	30.253 \| good	1.375 \| good	10.197 \| good	0.172 \| good
2026-04-25T23:00:00.000Z	28 \| good	4.831 \| good	20.975 \| good	30.356 \| good	1.373 \| good	11.091 \| good	0.176 \| good
2026-04-26T00:00:00.000Z	33 \| good	5.81 \| good	24.94 \| good	28.94 \| good	1.371 \| good	11.984 \| good	0.18 \| good
2026-04-26T01:00:00.000Z	27 \| good	5.095 \| good	21.923 \| good	28.518 \| good	1.405 \| good	11.707 \| good	0.176 \| good
2026-04-26T02:00:00.000Z	27 \| good	3.627 \| good	15.954 \| good	28.997 \| good	1.439 \| good	11.429 \| good	0.173 \| good
2026-04-26T03:00:00.000Z	26 \| good	3.132 \| good	13.81 \| good	28.498 \| good	1.472 \| good	11.152 \| good	0.169 \| good
2026-04-26T04:00:00.000Z	25 \| good	2.882 \| good	11.924 \| good	26.694 \| good	1.409 \| good	9.994 \| good	0.165 \| good
2026-04-26T05:00:00.000Z	25 \| good	2.641 \| good	10.909 \| good	27.5 \| good	1.345 \| good	8.837 \| good	0.161 \| good
2026-04-26T06:00:00.000Z	28 \| good	2.069 \| good	8.033 \| good	30.37 \| good	1.281 \| good	7.679 \| good	0.157 \| good
2026-04-26T07:00:00.000Z	28 \| good	1.138 \| good	4.927 \| good	30.304 \| good	1.266 \| good	7.133 \| good	0.154 \| good
2026-04-26T08:00:00.000Z	27 \| good	1.432 \| good	5.926 \| good	29.113 \| good	1.252 \| good	6.587 \| good	0.152 \| good
2026-04-26T09:00:00.000Z	23 \| good	1.154 \| good	5 \| good	25.44 \| good	1.237 \| good	6.04 \| good	0.15 \| good
2026-04-26T10:00:00.000Z	18 \| good	0.818 \| good	3 \| good	19.482 \| good	1.349 \| good	6.735 \| good	0.154 \| good
2026-04-26T11:00:00.000Z	18 \| good	2.681 \| good	10.996 \| good	18.974 \| good	1.46 \| good	7.43 \| good	0.158 \| good
2026-04-26T12:00:00.000Z	21 \| good	3.17 \| good	13.875 \| good	22.707 \| good	1.572 \| good	8.126 \| good	0.162 \| good
2026-04-26T13:00:00.000Z	24 \| good	2.988 \| good	12.07 \| good	26 \| good	1.516 \| good	7.131 \| good	0.161 \| good
2026-04-26T14:00:00.000Z	27 \| good	3.217 \| good	13.896 \| good	28.565 \| good	1.461 \| good	6.137 \| good	0.16 \| good
2026-04-26T15:00:00.000Z	29 \| good	2.288 \| good	9.056 \| good	30.925 \| good	1.405 \| good	5.142 \| good	0.158 \| good
2026-04-26T16:00:00.000Z	31 \| good	1.875 \| good	7.973 \| good	33.943 \| good	1.262 \| good	4.606 \| good	0.153 \| good
2026-04-26T17:00:00.000Z	32 \| good	2.301 \| good	9.058 \| good	35.134 \| good	1.12 \| good	4.07 \| good	0.147 \| good
2026-04-26T18:00:00.000Z	35 \| good	2.793 \| good	11.157 \| good	37.864 \| good	0.977 \| good	3.534 \| good	0.141 \| good
2026-04-26T19:00:00.000Z	40 \| good	1.809 \| good	7.966 \| good	42.762 \| good	0.95 \| good	3.857 \| good	0.142 \| good
2026-04-26T20:00:00.000Z	43 \| good	2.494 \| good	10.038 \| good	46.48 \| good	0.923 \| good	4.179 \| good	0.143 \| good
2026-04-26T21:00:00.000Z	42 \| good	2.603 \| good	10.909 \| good	44.728 \| good	0.896 \| good	4.502 \| good	0.144 \| good
2026-04-26T22:00:00.000Z	42 \| good	2.255 \| good	8.982 \| good	45.277 \| good	1.136 \| good	9.053 \| good	0.166 \| good
2026-04-26T23:00:00.000Z	36 \| good	3.005 \| good	12.092 \| good	39.413 \| good	1.375 \| good	13.604 \| good	0.188 \| good
2026-04-27T00:00:00.000Z	33 \| good	6.042 \| good	26.872 \| good	23.943 \| good	1.615 \| good	18.155 \| good	0.211 \| good
2026-04-27T01:00:00.000Z	33 \| good	6.135 \| good	27.066 \| good	19.859 \| good	1.993 \| good	23.24 \| good	0.237 \| good
2026-04-27T02:00:00.000Z	33 \| good	5.58 \| good	24.167 \| good	18.153 \| good	2.372 \| good	28.324 \| good	0.263 \| good
2026-04-27T03:00:00.000Z	33 \| good	6.024 \| good	27.154 \| good	15.997 \| good	2.751 \| good	33.409 \| good	0.289 \| good
2026-04-27T04:00:00.000Z	38 \| good	6.912 \| good	30.192 \| good	15.764 \| good	2.784 \| good	33.322 \| good	0.3 \| good
2026-04-27T05:00:00.000Z	33 \| good	5.743 \| good	25.174 \| good	17.993 \| good	2.817 \| good	33.235 \| good	0.311 \| good
2026-04-27T06:00:00.000Z	31 \| good	5.002 \| good	21.296 \| good	17.718 \| good	2.85 \| good	33.147 \| good	0.322 \| good
2026-04-27T07:00:00.000Z	29 \| good	4.752 \| good	20.303 \| good	15.028 \| good	2.768 \| good	31.383 \| good	0.312 \| good
2026-04-27T08:00:00.000Z	28 \| good	5.036 \| good	21.392 \| good	13.763 \| good	2.686 \| good	29.62 \| good	0.303 \| good
2026-04-27T09:00:00.000Z	33 \| good	5.561 \| good	23.44 \| good	12.854 \| good	2.604 \| good	27.856 \| good	0.294 \| good
2026-04-27T10:00:00.000Z	23 \| good	2.959 \| good	12.399 \| good	12.881 \| good	2.573 \| good	23.714 \| good	0.291 \| good
2026-04-27T11:00:00.000Z	27 \| good	5.292 \| good	23.323 \| good	19.588 \| good	2.542 \| good	19.572 \| good	0.287 \| good
2026-04-27T12:00:00.000Z	27 \| good	5.104 \| good	22.155 \| good	24.937 \| good	2.512 \| good	15.429 \| good	0.284 \| good
2026-04-27T13:00:00.000Z	28 \| good	5.172 \| good	22.111 \| good	29.878 \| good	2.313 \| good	12.735 \| good	0.25 \| good
2026-04-27T14:00:00.000Z	31 \| good	4.314 \| good	18.915 \| good	34.164 \| good	2.115 \| good	10.04 \| good	0.216 \| good
2026-04-27T15:00:00.000Z	36 \| good	3.012 \| good	12.075 \| good	38.806 \| good	1.917 \| good	7.345 \| good	0.182 \| good
2026-04-27T16:00:00.000Z	41 \| good	3.302 \| good	14.837 \| good	43.556 \| good	1.755 \| good	6.686 \| good	0.175 \| good
2026-04-27T17:00:00.000Z	43 \| good	3.621 \| good	15.961 \| good	45.964 \| good	1.593 \| good	6.027 \| good	0.168 \| good
2026-04-27T18:00:00.000Z	45 \| good	4.957 \| good	21.038 \| good	48.925 \| good	1.431 \| good	5.368 \| good	0.161 \| good
2026-04-27T19:00:00.000Z	48 \| good	4.07 \| good	17.94 \| good	52.057 \| good	1.428 \| good	5.552 \| good	0.16 \| good
2026-04-27T20:00:00.000Z	49 \| good	5.039 \| good	21.971 \| good	53.187 \| good	1.425 \| good	5.737 \| good	0.16 \| good
2026-04-27T21:00:00.000Z	48 \| good	5.014 \| good	21.901 \| good	52.108 \| good	1.423 \| good	5.921 \| good	0.159 \| good

Westfield

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

0.53ppm

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 01:00:00 on 2026-04-25.

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 08:00:00 on 2026-04-25.

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

The current air quality in Westfield, New Jersey is 32, 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 3.148 μg/m³.

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

The current PM₁₀ concentration at Westfield, New Jersey is 13.579 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 0.43 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 0.501 ppb.

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

The current ozone (O₃) concentration at Westfield, New Jersey is 35.35 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 9.525 ppb.

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