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

The current PM10 concentration at Westfield, New Jersey is 67.786 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 1.251 ppb.

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

The current ozone (O3) concentration at Westfield, New Jersey is 9.721 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 15.998 ppb.

Westfield, New Jersey live air quality index now

Name: Live air pollution levels in Westfield, New Jersey today
Creator: Ambee

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)

Moderate

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)

16.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

74.14 μg/m³

155

255

425

605+

Ozone (O₃)

36.85 ppb

201

201+

Sulfur Dioxide (SO₂)

1.92 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.46 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
2025-07-29T09:00:00.000Z	73 \| moderate	20.797 \| fine	92.501 \| fine	17.449 \| good	2.005 \| good	13.223 \| good	0.556 \| good
2025-07-29T10:00:00.000Z	73 \| moderate	20.796 \| fine	92.503 \| fine	14.703 \| good	1.768 \| good	12.407 \| good	0.581 \| good
2025-07-29T11:00:00.000Z	54 \| moderate	11.006 \| good	48.473 \| good	7.795 \| good	1.406 \| good	13.562 \| good	0.617 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	14.062 \| fine	63.275 \| fine	11.13 \| good	1.294 \| good	11.969 \| good	0.61 \| good
2025-07-29T13:00:00.000Z	58 \| moderate	13.486 \| fine	61.343 \| fine	7.314 \| good	1.864 \| good	12.755 \| good	0.703 \| good
2025-07-29T14:00:00.000Z	73 \| moderate	21.19 \| fine	92.571 \| fine	14.048 \| good	1.468 \| good	13.709 \| good	0.582 \| good
2025-07-29T15:00:00.000Z	77 \| moderate	23.348 \| fine	102.351 \| fine	31.018 \| good	1.454 \| good	22.065 \| good	0.53 \| good
2025-07-29T16:00:00.000Z	71 \| moderate	19.606 \| fine	86.613 \| fine	40.687 \| good	1.546 \| good	13.236 \| good	0.394 \| good
2025-07-29T17:00:00.000Z	64 \| moderate	15.57 \| fine	68.905 \| fine	39.16 \| good	1.44 \| good	8.37 \| good	0.361 \| good
2025-07-29T18:00:00.000Z	64 \| moderate	15.562 \| fine	68.855 \| fine	57.364 \| fine	1.469 \| good	8.392 \| good	0.361 \| good
2025-07-29T19:00:00.000Z	62 \| moderate	15.26 \| fine	68.83 \| fine	46.191 \| good	0.914 \| good	9.003 \| good	0.391 \| good
2025-07-29T20:00:00.000Z	54 \| moderate	11.224 \| good	50.104 \| good	49.983 \| good	2.482 \| good	12.123 \| good	0.402 \| good
2025-07-29T21:00:00.000Z	61 \| moderate	10.144 \| good	45.189 \| good	57.692 \| fine	3.03 \| good	12.578 \| good	0.397 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.144 \| good	45.217 \| good	50.685 \| good	2.966 \| good	7.674 \| good	0.397 \| good
2025-07-29T23:00:00.000Z	84 \| moderate	8.073 \| good	35.32 \| good	64.621 \| fine	3.058 \| good	12.962 \| good	0.438 \| good
2025-07-30T00:00:00.000Z	46 \| good	6.101 \| good	27.437 \| good	49.865 \| good	2.382 \| good	10.67 \| good	0.463 \| good
2025-07-30T01:00:00.000Z	46 \| good	8.255 \| good	36.248 \| good	49.587 \| good	2.081 \| good	8.829 \| good	0.399 \| good
2025-07-30T02:00:00.000Z	38 \| good	7.154 \| good	32.235 \| good	41.253 \| good	2.012 \| good	7.655 \| good	0.4 \| good
2025-07-30T03:00:00.000Z	66 \| moderate	16.857 \| fine	74.617 \| fine	30.469 \| good	1.994 \| good	19.327 \| good	0.375 \| good
2025-07-30T04:00:00.000Z	58 \| moderate	12.72 \| fine	57.104 \| fine	43.797 \| good	1.686 \| good	8.093 \| good	0.479 \| good
2025-07-30T05:00:00.000Z	69 \| moderate	18.531 \| fine	82.7 \| fine	39.895 \| good	1.626 \| good	9.961 \| good	0.472 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	18.533 \| fine	82.702 \| fine	30.522 \| good	2.032 \| good	7.903 \| good	0.455 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	17.254 \| fine	76.799 \| fine	18.343 \| good	2.103 \| good	7.82 \| good	0.425 \| good
2025-07-30T08:00:00.000Z	66 \| moderate	17.246 \| fine	76.771 \| fine	17.869 \| good	2.082 \| good	8.146 \| good	0.41 \| good
2025-07-30T09:00:00.000Z	66 \| moderate	17.246 \| fine	76.777 \| fine	23.442 \| good	1.475 \| good	8.256 \| good	0.42 \| good
2025-07-30T10:00:00.000Z	64 \| moderate	16.145 \| fine	72.744 \| fine	17.344 \| good	1.459 \| good	12.373 \| good	0.447 \| good
2025-07-30T11:00:00.000Z	60 \| moderate	13.615 \| fine	61.059 \| fine	14.504 \| good	1.644 \| good	20.04 \| good	0.476 \| good
2025-07-30T12:00:00.000Z	60 \| moderate	13.608 \| fine	61.059 \| fine	18.549 \| good	1.679 \| good	18.751 \| good	0.47 \| good
2025-07-30T13:00:00.000Z	58 \| moderate	12.83 \| fine	57.148 \| fine	23.662 \| good	1.243 \| good	22.845 \| good	0.603 \| good
2025-07-30T14:00:00.000Z	67 \| moderate	18.215 \| fine	80.667 \| fine	34.806 \| good	1.243 \| good	24.484 \| good	0.466 \| good
2025-07-30T15:00:00.000Z	64 \| moderate	16.422 \| fine	72.681 \| fine	34.224 \| good	1.548 \| good	22.287 \| good	0.472 \| good
2025-07-30T16:00:00.000Z	58 \| moderate	12.582 \| fine	56.901 \| fine	36.56 \| good	1.195 \| good	18.147 \| good	0.394 \| good
2025-07-30T17:00:00.000Z	60 \| moderate	13.83 \| fine	62.666 \| fine	53.86 \| good	1.268 \| good	13.847 \| good	0.372 \| good
2025-07-30T18:00:00.000Z	64 \| moderate	15.697 \| fine	70.531 \| fine	50.619 \| good	1.21 \| good	13.891 \| good	0.446 \| good
2025-07-30T19:00:00.000Z	74 \| moderate	14.327 \| fine	64.673 \| fine	62.374 \| fine	1.299 \| good	14.656 \| good	0.451 \| good
2025-07-30T20:00:00.000Z	90 \| moderate	13.48 \| fine	60.889 \| fine	67.106 \| fine	1.304 \| good	11.48 \| good	0.451 \| good
2025-07-30T21:00:00.000Z	112 \| sensitive	12.616 \| fine	57.069 \| fine	74.232 \| moderate	2.41 \| good	13.328 \| good	0.535 \| good
2025-07-30T22:00:00.000Z	129 \| sensitive	11.755 \| good	52.261 \| good	79.265 \| moderate	1.435 \| good	11.443 \| good	0.535 \| good
2025-07-30T23:00:00.000Z	100 \| moderate	11.754 \| good	52.24 \| good	70.254 \| fine	1.416 \| good	13.441 \| good	0.535 \| good
2025-07-31T00:00:00.000Z	58 \| moderate	13.419 \| fine	61.057 \| fine	54.798 \| good	1.673 \| good	10.625 \| good	0.451 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	11.171 \| good	49.342 \| good	51.554 \| good	1.114 \| good	7.351 \| good	0.433 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	10.464 \| good	46.296 \| good	56.531 \| fine	1.021 \| good	9.785 \| good	0.529 \| good
2025-07-31T03:00:00.000Z	58 \| moderate	13.022 \| fine	59.075 \| fine	45.14 \| good	1.088 \| good	12.536 \| good	0.541 \| good
2025-07-31T04:00:00.000Z	66 \| moderate	16.763 \| fine	74.838 \| fine	46.225 \| good	1.191 \| good	12.198 \| good	0.614 \| good
2025-07-31T05:00:00.000Z	69 \| moderate	18.929 \| fine	84.666 \| fine	39.563 \| good	1.295 \| good	7.64 \| good	0.552 \| good
2025-07-31T06:00:00.000Z	69 \| moderate	18.927 \| fine	84.635 \| fine	36.811 \| good	2.511 \| good	8.418 \| good	0.474 \| good
2025-07-31T07:00:00.000Z	66 \| moderate	17.457 \| fine	76.84 \| fine	38.794 \| good	1.915 \| good	5.764 \| good	0.457 \| good
2025-07-31T08:00:00.000Z	66 \| moderate	16.739 \| fine	74.136 \| fine	36.849 \| good	1.92 \| good	7.264 \| good	0.463 \| good
2025-07-29T13:00:00.000Z	88 \| moderate	29.109 \| fine	126.347 \| fine	37.097 \| good	1.759 \| good	10.669 \| good	0.389 \| good
2025-07-29T14:00:00.000Z	86 \| moderate	27.66 \| fine	120.083 \| fine	45.669 \| good	1.966 \| good	7.445 \| good	0.331 \| good
2025-07-29T15:00:00.000Z	79 \| moderate	23.67 \| fine	103.53 \| fine	50.191 \| good	2.173 \| good	4.221 \| good	0.273 \| good
2025-07-29T16:00:00.000Z	81 \| moderate	25.08 \| fine	109.627 \| fine	52.228 \| good	1.921 \| good	3.606 \| good	0.256 \| good
2025-07-29T17:00:00.000Z	82 \| moderate	25.816 \| fine	112.814 \| fine	53.193 \| good	1.668 \| good	2.99 \| good	0.239 \| good
2025-07-29T18:00:00.000Z	81 \| moderate	25.194 \| fine	109.446 \| fine	51.255 \| good	1.415 \| good	2.374 \| good	0.222 \| good
2025-07-29T19:00:00.000Z	75 \| moderate	22.045 \| fine	96.945 \| fine	52.431 \| good	1.353 \| good	2.544 \| good	0.219 \| good
2025-07-29T20:00:00.000Z	73 \| moderate	20.689 \| fine	91.012 \| fine	53.896 \| good	1.291 \| good	2.714 \| good	0.215 \| good
2025-07-29T21:00:00.000Z	71 \| moderate	20.491 \| fine	89.748 \| fine	57.074 \| fine	1.229 \| good	2.883 \| good	0.212 \| good
2025-07-29T22:00:00.000Z	69 \| moderate	19.122 \| fine	84.255 \| fine	58.474 \| fine	1.341 \| good	6.757 \| good	0.246 \| good
2025-07-29T23:00:00.000Z	67 \| moderate	18.435 \| fine	81.076 \| fine	48.823 \| good	1.452 \| good	10.631 \| good	0.281 \| good
2025-07-30T00:00:00.000Z	66 \| moderate	17.26 \| fine	76.667 \| fine	45.952 \| good	1.564 \| good	14.505 \| good	0.316 \| good
2025-07-30T01:00:00.000Z	64 \| moderate	15.73 \| fine	69.638 \| fine	35.245 \| good	1.77 \| good	16.276 \| good	0.333 \| good
2025-07-30T02:00:00.000Z	62 \| moderate	15.054 \| fine	67.407 \| fine	28.008 \| good	1.975 \| good	18.047 \| good	0.349 \| good
2025-07-30T03:00:00.000Z	64 \| moderate	15.732 \| fine	70.342 \| fine	25.242 \| good	2.181 \| good	19.818 \| good	0.366 \| good
2025-07-30T04:00:00.000Z	62 \| moderate	15.5 \| fine	69.264 \| fine	23.206 \| good	2.203 \| good	17.12 \| good	0.35 \| good
2025-07-30T05:00:00.000Z	62 \| moderate	14.914 \| fine	66.942 \| fine	20.913 \| good	2.226 \| good	14.421 \| good	0.335 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	15.297 \| fine	68.706 \| fine	19.196 \| good	2.248 \| good	11.723 \| good	0.319 \| good
2025-07-30T07:00:00.000Z	62 \| moderate	14.952 \| fine	67.064 \| fine	16.213 \| good	2.3 \| good	10.831 \| good	0.309 \| good
2025-07-30T08:00:00.000Z	62 \| moderate	15.135 \| fine	67.173 \| fine	11.187 \| good	2.351 \| good	9.939 \| good	0.299 \| good
2025-07-30T09:00:00.000Z	62 \| moderate	14.751 \| fine	66.004 \| fine	10.671 \| good	2.402 \| good	9.047 \| good	0.289 \| good
2025-07-30T10:00:00.000Z	64 \| moderate	15.512 \| fine	69.563 \| fine	8.732 \| good	2.426 \| good	9 \| good	0.292 \| good
2025-07-30T11:00:00.000Z	69 \| moderate	18.573 \| fine	82.23 \| fine	15.323 \| good	2.45 \| good	8.954 \| good	0.294 \| good
2025-07-30T12:00:00.000Z	75 \| moderate	22.108 \| fine	96.905 \| fine	20.882 \| good	2.474 \| good	8.907 \| good	0.297 \| good
2025-07-30T13:00:00.000Z	79 \| moderate	24.263 \| fine	105.6 \| fine	26.437 \| good	2.829 \| good	7.671 \| good	0.291 \| good
2025-07-30T14:00:00.000Z	79 \| moderate	23.72 \| fine	104.047 \| fine	41.054 \| good	3.185 \| good	6.435 \| good	0.286 \| good
2025-07-30T15:00:00.000Z	79 \| moderate	24.071 \| fine	105.053 \| fine	62.184 \| fine	3.54 \| good	5.198 \| good	0.28 \| good
2025-07-30T16:00:00.000Z	105 \| sensitive	26.199 \| fine	114.094 \| fine	72.258 \| moderate	3.198 \| good	4.228 \| good	0.26 \| good
2025-07-30T17:00:00.000Z	101 \| sensitive	27.257 \| fine	118.745 \| fine	70.887 \| fine	2.857 \| good	3.258 \| good	0.241 \| good
2025-07-30T18:00:00.000Z	105 \| sensitive	30.014 \| fine	130.419 \| fine	72.339 \| moderate	2.515 \| good	2.288 \| good	0.221 \| good
2025-07-30T19:00:00.000Z	122 \| sensitive	26.811 \| fine	116.684 \| fine	76.869 \| moderate	2.328 \| good	2.441 \| good	0.218 \| good
2025-07-30T20:00:00.000Z	115 \| sensitive	26.351 \| fine	114.082 \| fine	74.818 \| moderate	2.141 \| good	2.593 \| good	0.214 \| good
2025-07-30T21:00:00.000Z	105 \| sensitive	23.482 \| fine	102.771 \| fine	72.162 \| moderate	1.955 \| good	2.745 \| good	0.211 \| good
2025-07-30T22:00:00.000Z	80 \| moderate	21.436 \| fine	94.168 \| fine	63.511 \| fine	1.981 \| good	5.401 \| good	0.23 \| good
2025-07-30T23:00:00.000Z	73 \| moderate	21.385 \| fine	93.99 \| fine	56.703 \| fine	2.008 \| good	8.057 \| good	0.25 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.644 \| fine	99.454 \| fine	49.912 \| good	2.034 \| good	10.713 \| good	0.27 \| good
2025-07-31T01:00:00.000Z	77 \| moderate	22.58 \| fine	98.644 \| fine	42.573 \| good	1.968 \| good	10.326 \| good	0.262 \| good
2025-07-31T02:00:00.000Z	67 \| moderate	18.41 \| fine	81.087 \| fine	43.013 \| good	1.902 \| good	9.939 \| good	0.254 \| good
2025-07-31T03:00:00.000Z	62 \| moderate	14.978 \| fine	66.753 \| fine	42.345 \| good	1.837 \| good	9.552 \| good	0.245 \| good
2025-07-31T04:00:00.000Z	54 \| moderate	11.391 \| good	50.999 \| good	39.57 \| good	1.799 \| good	9.807 \| good	0.243 \| good
2025-07-31T05:00:00.000Z	54 \| moderate	10.574 \| good	46.76 \| good	35.202 \| good	1.761 \| good	10.061 \| good	0.24 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	17.67 \| fine	18.229 \| good	32.828 \| good	1.735 \| good	10.399 \| good	0.241 \| good
2025-07-31T07:00:00.000Z	52 \| moderate	9.863 \| good	43.968 \| good	29.438 \| good	1.795 \| good	10.496 \| good	0.235 \| good
2025-07-31T08:00:00.000Z	52 \| moderate	9.711 \| good	43.466 \| good	27.552 \| good	1.868 \| good	10.677 \| good	0.232 \| good
2025-07-31T09:00:00.000Z	60 \| moderate	13.717 \| fine	61.322 \| fine	27.106 \| good	1.94 \| good	10.858 \| good	0.229 \| good
2025-07-31T10:00:00.000Z	58 \| moderate	13.421 \| fine	60.394 \| fine	22.033 \| good	2.064 \| good	10.712 \| good	0.233 \| good
2025-07-31T11:00:00.000Z	64 \| moderate	16.21 \| fine	71.871 \| fine	22.616 \| good	2.187 \| good	10.565 \| good	0.237 \| good
2025-07-31T12:00:00.000Z	64 \| moderate	16.29 \| fine	16.639 \| good	30.951 \| good	2.304 \| good	10.382 \| good	0.242 \| good

Westfield

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

0.62ppm

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 10:00:00 on 2025-07-29.

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 12:00:00 on 2025-07-28.

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

The current air quality in Westfield, New Jersey is 62, categorized as Moderate based on real-time data.

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

The most common pollutant in Westfield, New Jersey is PM2.5.

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 15.103 μg/m³.

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

The current PM₁₀ concentration at Westfield, New Jersey is 67.786 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 0.611 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 1.251 ppb.

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

The current ozone (O₃) concentration at Westfield, New Jersey is 9.721 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 15.998 ppb.

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