What is the current level of PM10 in Westfield, Massachusetts?

Westfield, Massachusetts currently has a PM10 concentration of 27.632 μg/m3.

What is the current level of sulfur dioxide (SO2) in Westfield, Massachusetts?

The current sulfur dioxide (SO2) concentration in Westfield, Massachusetts is 0.156 ppb.

What is the current level of ozone (O3) in Westfield, Massachusetts?

Westfield, Massachusetts currently has an ozone (O3) concentration of 31.895 ppm.

What is the current level of nitrogen dioxide (NO2) in Westfield, Massachusetts?

The current level of nitrogen dioxide (NO2) in Westfield, Massachusetts is 2.512 ppb.

Current air quality index in Westfield, Massachusetts today

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

Stay updated with real-time air quality in Westfield, Massachusetts 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, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Westfield, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

20.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

77.20 μg/m³

155

255

425

605+

Ozone (O₃)

23.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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, Massachusetts

Scroll To Air Quality Map

Track live Westfield, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T05:00:00.000Z	54 \| moderate	11.139 \| good	34.124 \| good	27.656 \| good	0.438 \| good	15.218 \| good	0.288 \| good
2025-07-30T06:00:00.000Z	55 \| moderate	11.175 \| good	64.222 \| fine	21.199 \| good	0.364 \| good	18.172 \| good	0.258 \| good
2025-07-30T07:00:00.000Z	56 \| moderate	12.231 \| fine	45.334 \| good	38.393 \| good	0.159 \| good	11.996 \| good	0.235 \| good
2025-07-30T08:00:00.000Z	52 \| moderate	9.735 \| good	29.84 \| good	23.616 \| good	0.144 \| good	10.664 \| good	0.248 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	10.729 \| good	23.437 \| good	19.849 \| good	0.18 \| good	9.466 \| good	0.2 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.61 \| good	31.722 \| good	16.193 \| good	0.173 \| good	10.37 \| good	0.28 \| good
2025-07-30T11:00:00.000Z	44 \| good	8.354 \| good	34.63 \| good	14.851 \| good	0.133 \| good	6.451 \| good	0.25 \| good
2025-07-30T12:00:00.000Z	44 \| good	8.268 \| good	37.005 \| good	15.819 \| good	0.142 \| good	4.7 \| good	0.299 \| good
2025-07-30T13:00:00.000Z	44 \| good	8.421 \| good	40.342 \| good	19.31 \| good	0.215 \| good	4.433 \| good	0.278 \| good
2025-07-30T14:00:00.000Z	44 \| good	7.77 \| good	47.42 \| good	25.518 \| good	0.12 \| good	3.146 \| good	0.25 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.631 \| good	34.005 \| good	26.099 \| good	0.212 \| good	5.334 \| good	0.302 \| good
2025-07-30T16:00:00.000Z	49 \| good	9.338 \| good	31.011 \| good	33.281 \| good	0.289 \| good	5.523 \| good	0.622 \| good
2025-07-30T17:00:00.000Z	49 \| good	8.79 \| good	23.824 \| good	32.491 \| good	0.304 \| good	3.756 \| good	0.254 \| good
2025-07-30T18:00:00.000Z	49 \| good	9.474 \| good	31.816 \| good	36.972 \| good	0.203 \| good	2.548 \| good	0.204 \| good
2025-07-30T19:00:00.000Z	49 \| good	8.879 \| good	39.902 \| good	39.75 \| good	0.183 \| good	2.194 \| good	0.188 \| good
2025-07-30T20:00:00.000Z	44 \| good	8.489 \| good	27.92 \| good	45.856 \| good	0.174 \| good	1.651 \| good	0.188 \| good
2025-07-30T21:00:00.000Z	49 \| good	9.438 \| good	19.873 \| good	41.575 \| good	0.298 \| good	1.524 \| good	0.188 \| good
2025-07-30T22:00:00.000Z	52 \| moderate	9.744 \| good	29.911 \| good	44.325 \| good	0.259 \| good	2.44 \| good	0.254 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	9.661 \| good	43.508 \| good	37.083 \| good	0.173 \| good	2.885 \| good	0.344 \| good
2025-07-31T00:00:00.000Z	49 \| good	8.631 \| good	43.576 \| good	36.278 \| good	0.232 \| good	3.517 \| good	0.306 \| good
2025-07-31T01:00:00.000Z	44 \| good	8.332 \| good	34.057 \| good	31.593 \| good	0.166 \| good	4.198 \| good	0.306 \| good
2025-07-31T02:00:00.000Z	38 \| good	7.241 \| good	36.124 \| good	25.73 \| good	0.195 \| good	4.666 \| good	0.296 \| good
2025-07-31T03:00:00.000Z	38 \| good	7.224 \| good	30.08 \| good	30.303 \| good	0.142 \| good	7.193 \| good	0.26 \| good
2025-07-31T04:00:00.000Z	44 \| good	8.309 \| good	33.92 \| good	29.884 \| good	0.129 \| good	6.269 \| good	0.276 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.168 \| good	39.543 \| good	15.65 \| good	0.335 \| good	11.635 \| good	0.266 \| good
2025-07-31T06:00:00.000Z	55 \| moderate	10.208 \| good	62.884 \| fine	12.134 \| good	0.834 \| good	12.978 \| good	0.302 \| good
2025-07-31T07:00:00.000Z	52 \| moderate	10.398 \| good	30.402 \| good	22.092 \| good	0.12 \| good	14.758 \| good	0.231 \| good
2025-07-31T08:00:00.000Z	52 \| moderate	10.095 \| good	34.423 \| good	15.985 \| good	0.121 \| good	13.592 \| good	0.231 \| good
2025-07-31T09:00:00.000Z	44 \| good	8.046 \| good	33.216 \| good	16.272 \| good	0.134 \| good	14.022 \| good	0.184 \| good
2025-07-31T10:00:00.000Z	44 \| good	8.424 \| good	39.117 \| good	25.511 \| good	0.116 \| good	5.085 \| good	0.236 \| good
2025-07-31T11:00:00.000Z	49 \| good	9.329 \| good	36.187 \| good	20.095 \| good	0.126 \| good	2.908 \| good	0.25 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	10.9 \| good	45.542 \| good	19.416 \| good	0.139 \| good	3.336 \| good	0.25 \| good
2025-07-31T13:00:00.000Z	56 \| moderate	12.283 \| fine	42.861 \| good	19.972 \| good	0.126 \| good	2.845 \| good	0.276 \| good
2025-07-31T14:00:00.000Z	67 \| moderate	18.323 \| fine	82.427 \| fine	23.58 \| good	0.107 \| good	4.048 \| good	0.291 \| good
2025-07-31T15:00:00.000Z	73 \| moderate	21.037 \| fine	91.608 \| fine	22.013 \| good	0.145 \| good	3.453 \| good	0.315 \| good
2025-07-31T16:00:00.000Z	79 \| moderate	24.17 \| fine	84.515 \| fine	22.262 \| good	0.155 \| good	3.226 \| good	0.377 \| good
2025-07-31T17:00:00.000Z	86 \| moderate	27.615 \| fine	73.331 \| fine	23.473 \| good	0.164 \| good	2.886 \| good	0.377 \| good
2025-07-31T18:00:00.000Z	82 \| moderate	25.54 \| fine	89.652 \| fine	19.614 \| good	0.183 \| good	2.868 \| good	0.302 \| good
2025-07-31T19:00:00.000Z	82 \| moderate	25.834 \| fine	105.617 \| fine	22.769 \| good	0.2 \| good	2.772 \| good	0.351 \| good
2025-07-31T20:00:00.000Z	81 \| moderate	25.259 \| fine	85.767 \| fine	22.309 \| good	0.223 \| good	2.478 \| good	0.312 \| good
2025-07-31T21:00:00.000Z	84 \| moderate	26.798 \| fine	104.946 \| fine	22.618 \| good	0.195 \| good	2.615 \| good	0.34 \| good
2025-07-31T22:00:00.000Z	73 \| moderate	21.23 \| fine	59.94 \| fine	28.313 \| good	0.181 \| good	1.846 \| good	0.269 \| good
2025-07-31T23:00:00.000Z	44 \| good	8.113 \| good	35.566 \| good	23.126 \| good	0.402 \| good	3.002 \| good	0.262 \| good
2025-08-01T00:00:00.000Z	71 \| moderate	19.778 \| fine	36.167 \| good	34.269 \| good	0.392 \| good	2.325 \| good	0.269 \| good
2025-08-01T01:00:00.000Z	69 \| moderate	14.248 \| fine	91.496 \| fine	26.349 \| good	0.217 \| good	2.531 \| good	0.256 \| good
2025-08-01T02:00:00.000Z	77 \| moderate	22.982 \| fine	86.171 \| fine	21.4 \| good	0.219 \| good	1.701 \| good	0.272 \| good
2025-08-01T03:00:00.000Z	71 \| moderate	20.317 \| fine	77.205 \| fine	23.861 \| good	0.388 \| good	1.672 \| good	0.272 \| good
2025-08-01T04:00:00.000Z	71 \| moderate	20.317 \| fine	77.205 \| fine	23.861 \| good	0.388 \| good	1.672 \| good	0.272 \| good
2025-07-29T03:00:00.000Z	73 \| moderate	20.527 \| fine	90.417 \| fine	27.876 \| good	0.497 \| good	12.132 \| good	0.348 \| good
2025-07-29T04:00:00.000Z	79 \| moderate	24.052 \| fine	105.415 \| fine	25.87 \| good	0.489 \| good	12.005 \| good	0.351 \| good
2025-07-29T05:00:00.000Z	82 \| moderate	26.123 \| fine	113.348 \| fine	25.13 \| good	0.481 \| good	11.877 \| good	0.355 \| good
2025-07-29T06:00:00.000Z	86 \| moderate	27.851 \| fine	120.517 \| fine	27.966 \| good	0.473 \| good	11.749 \| good	0.358 \| good
2025-07-29T07:00:00.000Z	88 \| moderate	29.069 \| fine	125.975 \| fine	29.607 \| good	0.469 \| good	10.516 \| good	0.347 \| good
2025-07-29T08:00:00.000Z	90 \| moderate	29.934 \| fine	130.311 \| fine	28.566 \| good	0.465 \| good	9.283 \| good	0.335 \| good
2025-07-29T09:00:00.000Z	90 \| moderate	29.947 \| fine	129.496 \| fine	27.35 \| good	0.46 \| good	8.05 \| good	0.323 \| good
2025-07-29T10:00:00.000Z	90 \| moderate	29.518 \| fine	128.082 \| fine	23.675 \| good	0.457 \| good	6.318 \| good	0.308 \| good
2025-07-29T11:00:00.000Z	88 \| moderate	28.695 \| fine	125.057 \| fine	22.29 \| good	0.454 \| good	4.587 \| good	0.293 \| good
2025-07-29T12:00:00.000Z	82 \| moderate	25.855 \| fine	112.645 \| fine	31.823 \| good	0.45 \| good	2.855 \| good	0.278 \| good
2025-07-29T13:00:00.000Z	77 \| moderate	23.337 \| fine	101.801 \| fine	40.626 \| good	0.549 \| good	2.26 \| good	0.257 \| good
2025-07-29T14:00:00.000Z	81 \| moderate	25.454 \| fine	111.137 \| fine	48.357 \| good	0.647 \| good	1.665 \| good	0.236 \| good
2025-07-29T15:00:00.000Z	82 \| moderate	25.76 \| fine	112.183 \| fine	54.394 \| good	0.745 \| good	1.07 \| good	0.216 \| good
2025-07-29T16:00:00.000Z	81 \| moderate	25.255 \| fine	109.745 \| fine	55.404 \| fine	0.665 \| good	0.95 \| good	0.202 \| good
2025-07-29T17:00:00.000Z	77 \| moderate	23.357 \| fine	101.867 \| fine	52.424 \| good	0.584 \| good	0.831 \| good	0.189 \| good
2025-07-29T18:00:00.000Z	73 \| moderate	21.084 \| fine	92.918 \| fine	51.409 \| good	0.504 \| good	0.711 \| good	0.176 \| good
2025-07-29T19:00:00.000Z	67 \| moderate	18.024 \| fine	79.759 \| fine	50.969 \| good	0.445 \| good	0.798 \| good	0.171 \| good
2025-07-29T20:00:00.000Z	64 \| moderate	16.325 \| fine	72.128 \| fine	51.121 \| good	0.385 \| good	0.885 \| good	0.165 \| good
2025-07-29T21:00:00.000Z	62 \| moderate	14.508 \| fine	65.016 \| fine	50.586 \| good	0.325 \| good	0.972 \| good	0.16 \| good
2025-07-29T22:00:00.000Z	62 \| moderate	14.619 \| fine	65.099 \| fine	47.184 \| good	0.333 \| good	2.377 \| good	0.174 \| good
2025-07-29T23:00:00.000Z	64 \| moderate	15.573 \| fine	69.28 \| fine	44.387 \| good	0.34 \| good	3.782 \| good	0.187 \| good
2025-07-30T00:00:00.000Z	58 \| moderate	13.251 \| fine	59.224 \| fine	39.071 \| good	0.347 \| good	5.187 \| good	0.201 \| good
2025-07-30T01:00:00.000Z	56 \| moderate	11.643 \| good	51.485 \| good	34.308 \| good	0.384 \| good	6.577 \| good	0.217 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.836 \| good	48.187 \| good	29.574 \| good	0.421 \| good	7.967 \| good	0.234 \| good
2025-07-30T03:00:00.000Z	54 \| moderate	11.021 \| good	48.51 \| good	28.179 \| good	0.458 \| good	9.358 \| good	0.25 \| good
2025-07-30T04:00:00.000Z	56 \| moderate	11.595 \| good	51.478 \| good	24.739 \| good	0.447 \| good	9.23 \| good	0.251 \| good
2025-07-30T05:00:00.000Z	58 \| moderate	12.741 \| fine	57.618 \| fine	23.799 \| good	0.436 \| good	9.102 \| good	0.251 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	14.772 \| fine	66.049 \| fine	21.529 \| good	0.425 \| good	8.974 \| good	0.252 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	17.034 \| fine	75.549 \| fine	18.063 \| good	0.431 \| good	8.741 \| good	0.25 \| good
2025-07-30T08:00:00.000Z	69 \| moderate	18.979 \| fine	83.659 \| fine	17.086 \| good	0.436 \| good	8.509 \| good	0.249 \| good
2025-07-30T09:00:00.000Z	69 \| moderate	18.972 \| fine	83.93 \| fine	16.288 \| good	0.442 \| good	8.277 \| good	0.248 \| good
2025-07-30T10:00:00.000Z	73 \| moderate	21.192 \| fine	93.226 \| fine	16.439 \| good	0.458 \| good	6.867 \| good	0.25 \| good
2025-07-30T11:00:00.000Z	77 \| moderate	23.41 \| fine	102.974 \| fine	18.47 \| good	0.474 \| good	5.457 \| good	0.252 \| good
2025-07-30T12:00:00.000Z	84 \| moderate	27.461 \| fine	119.399 \| fine	28.129 \| good	0.49 \| good	4.047 \| good	0.253 \| good
2025-07-30T13:00:00.000Z	86 \| moderate	27.81 \| fine	120.7 \| fine	37.449 \| good	0.553 \| good	3.106 \| good	0.226 \| good
2025-07-30T14:00:00.000Z	81 \| moderate	24.762 \| fine	108.117 \| fine	45.212 \| good	0.616 \| good	2.165 \| good	0.198 \| good
2025-07-30T15:00:00.000Z	73 \| moderate	20.797 \| fine	91.146 \| fine	52.153 \| good	0.679 \| good	1.224 \| good	0.171 \| good
2025-07-30T16:00:00.000Z	71 \| moderate	20.403 \| fine	89.436 \| fine	53.557 \| good	0.972 \| good	1.131 \| good	0.179 \| good
2025-07-30T17:00:00.000Z	73 \| moderate	21.037 \| fine	93.137 \| fine	50.678 \| good	1.265 \| good	1.038 \| good	0.187 \| good
2025-07-30T18:00:00.000Z	73 \| moderate	21.319 \| fine	93.468 \| fine	52.024 \| good	1.558 \| good	0.944 \| good	0.194 \| good
2025-07-30T19:00:00.000Z	75 \| moderate	21.86 \| fine	95.561 \| fine	57.477 \| fine	1.608 \| good	1.116 \| good	0.195 \| good
2025-07-30T20:00:00.000Z	75 \| moderate	22.498 \| fine	98.859 \| fine	60.292 \| fine	1.659 \| good	1.288 \| good	0.195 \| good
2025-07-30T21:00:00.000Z	77 \| moderate	23.299 \| fine	101.631 \| fine	54.512 \| good	1.709 \| good	1.461 \| good	0.196 \| good
2025-07-30T22:00:00.000Z	73 \| moderate	20.706 \| fine	91.367 \| fine	54.458 \| good	1.672 \| good	2.241 \| good	0.205 \| good
2025-07-30T23:00:00.000Z	73 \| moderate	20.666 \| fine	90.788 \| fine	45.984 \| good	1.635 \| good	3.02 \| good	0.213 \| good
2025-07-31T00:00:00.000Z	67 \| moderate	12.97 \| fine	13.523 \| good	59.861 \| fine	1.614 \| good	3.824 \| good	0.222 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.75 \| good	47.834 \| good	38.431 \| good	1.553 \| good	4.069 \| good	0.225 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	13.489 \| fine	60.355 \| fine	34.688 \| good	1.509 \| good	4.337 \| good	0.229 \| good

Westfield

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Westfield, Massachusetts

0.24ppm

How accurate is Massachusetts, USA air quality data?

The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Westfield, Massachusetts get updated?

Air quality updates for Westfield, Massachusetts are available every hour.

What time in the past 24 hours saw the poorest air quality in Westfield, Massachusetts?

Westfield, Massachusetts experienced its worst air quality at 08:00:00, 2025-07-28.

When was air quality in Westfield, Massachusetts the best over the past 24 hours?

The best air quality in Westfield, Massachusetts was observed at 08:00:00 on 2025-07-28.

What is the air quality in Westfield, Massachusetts right now?

The air quality in Westfield, Massachusetts right now is Moderate, with an AQI of 60.

What pollutant is most frequently found in Westfield, Massachusetts?

In Westfield, Massachusetts, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Westfield, Massachusetts is poor?

When air quality in Westfield, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Westfield, Massachusetts right now?

Westfield, Massachusetts currently has a PM_2.5 concentration of 13.756 μg/m³.

What is the current level of PM₁₀ in Westfield, Massachusetts?

Westfield, Massachusetts currently has a PM₁₀ concentration of 27.632 μg/m³.

What is the current level of carbon monoxide (CO) in Westfield, Massachusetts?

The current carbon monoxide (CO) level in Westfield, Massachusetts is 0.25 ppm.

What is the current level of sulfur dioxide (SO₂) in Westfield, Massachusetts?

The current sulfur dioxide (SO₂) concentration in Westfield, Massachusetts is 0.156 ppb.

What is the current level of ozone (O₃) in Westfield, Massachusetts?

Westfield, Massachusetts currently has an ozone (O₃) concentration of 31.895 ppm.

What is the current level of nitrogen dioxide (NO₂) in Westfield, Massachusetts?

The current level of nitrogen dioxide (NO₂) in Westfield, Massachusetts is 2.512 ppb.

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