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

Westfield, Massachusetts currently has a PM10 concentration of 14.644 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Westfield, Massachusetts is 0.152 ppb.

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

Westfield, Massachusetts currently has an ozone (O3) concentration of 40.675 ppm.

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

The current level of nitrogen dioxide (NO2) in Westfield, Massachusetts is 5.06 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)

Good

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)

8.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.43 μg/m³

155

255

425

605+

Ozone (O₃)

23.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.86 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.63 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2025-09-13T15:00:00.000Z	33 \| good	6.107 \| good	14.789 \| good	20.151 \| good	0.133 \| good	5.691 \| good	0.244 \| good
2025-09-13T16:00:00.000Z	33 \| good	5.827 \| good	17.806 \| good	29.903 \| good	0.116 \| good	4.138 \| good	0.244 \| good
2025-09-13T17:00:00.000Z	33 \| good	6.117 \| good	19.588 \| good	29.951 \| good	0.133 \| good	3.742 \| good	0.28 \| good
2025-09-13T18:00:00.000Z	44 \| good	7.758 \| good	18.691 \| good	34.631 \| good	0.17 \| good	3.569 \| good	0.296 \| good
2025-09-13T19:00:00.000Z	44 \| good	8.133 \| good	26.266 \| good	41.849 \| good	0.1 \| good	3.547 \| good	0.244 \| good
2025-09-13T20:00:00.000Z	44 \| good	7.742 \| good	22.998 \| good	40.146 \| good	0.131 \| good	4.074 \| good	0.244 \| good
2025-09-13T21:00:00.000Z	41 \| good	7.14 \| good	18.344 \| good	44.246 \| good	0.163 \| good	4.926 \| good	0.244 \| good
2025-09-13T22:00:00.000Z	38 \| good	7.169 \| good	31.728 \| good	36.609 \| good	0.236 \| good	5.955 \| good	0.244 \| good
2025-09-13T23:00:00.000Z	44 \| good	7.896 \| good	24.816 \| good	43.892 \| good	0.211 \| good	5.562 \| good	0.28 \| good
2025-09-14T00:00:00.000Z	44 \| good	7.685 \| good	19.964 \| good	41.568 \| good	0.199 \| good	6.096 \| good	0.257 \| good
2025-09-14T01:00:00.000Z	38 \| good	7.047 \| good	18.387 \| good	37.299 \| good	0.255 \| good	6.915 \| good	0.244 \| good
2025-09-14T02:00:00.000Z	38 \| good	7.333 \| good	27.007 \| good	36.732 \| good	0.251 \| good	6.922 \| good	0.244 \| good
2025-09-14T03:00:00.000Z	62 \| moderate	15.077 \| fine	67.327 \| fine	34.096 \| good	1.359 \| good	6.973 \| good	0.229 \| good
2025-09-14T04:00:00.000Z	44 \| good	7.527 \| good	28.8 \| good	38.337 \| good	0.314 \| good	8.331 \| good	0.316 \| good
2025-09-14T05:00:00.000Z	38 \| good	7.061 \| good	22.528 \| good	31.091 \| good	0.254 \| good	7.358 \| good	0.26 \| good
2025-09-14T06:00:00.000Z	33 \| good	5.591 \| good	15.148 \| good	31.952 \| good	0.522 \| good	5.439 \| good	0.226 \| good
2025-09-14T07:00:00.000Z	33 \| good	5.948 \| good	26.02 \| good	24.845 \| good	0.227 \| good	6.765 \| good	0.26 \| good
2025-09-14T08:00:00.000Z	33 \| good	6.121 \| good	21.44 \| good	23.772 \| good	0.245 \| good	9.656 \| good	0.264 \| good
2025-09-14T09:00:00.000Z	38 \| good	6.674 \| good	24.266 \| good	26.541 \| good	0.257 \| good	9.169 \| good	0.264 \| good
2025-09-14T10:00:00.000Z	38 \| good	6.783 \| good	22.342 \| good	22.352 \| good	0.257 \| good	6.977 \| good	0.226 \| good
2025-09-14T11:00:00.000Z	33 \| good	6.242 \| good	26.798 \| good	25.792 \| good	0.256 \| good	4.251 \| good	0.226 \| good
2025-09-14T12:00:00.000Z	44 \| good	7.579 \| good	25.355 \| good	23.998 \| good	0.113 \| good	3.99 \| good	0.285 \| good
2025-09-14T13:00:00.000Z	33 \| good	6.363 \| good	20.526 \| good	17.467 \| good	0.158 \| good	4.433 \| good	0.3 \| good
2025-09-14T14:00:00.000Z	38 \| good	6.714 \| good	22.818 \| good	18.879 \| good	0.113 \| good	4.22 \| good	0.3 \| good
2025-09-14T15:00:00.000Z	33 \| good	6.061 \| good	25.205 \| good	24.637 \| good	0.119 \| good	3.172 \| good	0.287 \| good
2025-09-14T16:00:00.000Z	33 \| good	6.072 \| good	27.03 \| good	30.611 \| good	0.126 \| good	3.608 \| good	0.285 \| good
2025-09-14T17:00:00.000Z	38 \| good	7.23 \| good	25.424 \| good	30.633 \| good	0.128 \| good	2.351 \| good	0.219 \| good
2025-09-14T18:00:00.000Z	44 \| good	7.671 \| good	25.466 \| good	34.942 \| good	0.136 \| good	2.64 \| good	0.275 \| good
2025-09-14T19:00:00.000Z	44 \| good	8.132 \| good	27.062 \| good	41.39 \| good	0.143 \| good	2.937 \| good	0.277 \| good
2025-09-14T20:00:00.000Z	49 \| good	8.545 \| good	31.488 \| good	40.977 \| good	0.143 \| good	2.451 \| good	0.263 \| good
2025-09-14T21:00:00.000Z	44 \| good	8.289 \| good	26.331 \| good	42.759 \| good	0.123 \| good	2.439 \| good	0.24 \| good
2025-09-14T22:00:00.000Z	44 \| good	8.062 \| good	22.536 \| good	46.51 \| good	0.143 \| good	2.037 \| good	0.291 \| good
2025-09-14T23:00:00.000Z	44 \| good	8.227 \| good	33.537 \| good	42.115 \| good	0.143 \| good	3.754 \| good	0.327 \| good
2025-09-15T00:00:00.000Z	44 \| good	8.316 \| good	32.37 \| good	36.967 \| good	0.219 \| good	7.548 \| good	0.367 \| good
2025-09-15T01:00:00.000Z	44 \| good	8.337 \| good	30.149 \| good	30.932 \| good	0.2 \| good	14.827 \| good	0.364 \| good
2025-09-15T02:00:00.000Z	44 \| good	8.136 \| good	24.207 \| good	27.726 \| good	0.254 \| good	12.195 \| good	0.39 \| good
2025-09-15T03:00:00.000Z	38 \| good	7.218 \| good	22.102 \| good	20.899 \| good	0.227 \| good	15.132 \| good	0.403 \| good
2025-09-15T04:00:00.000Z	49 \| good	8.873 \| good	34.276 \| good	17.792 \| good	0.191 \| good	19.816 \| good	0.346 \| good
2025-09-15T05:00:00.000Z	38 \| good	6.82 \| good	26.588 \| good	16.529 \| good	0.135 \| good	11.089 \| good	0.301 \| good
2025-09-15T06:00:00.000Z	44 \| good	8.149 \| good	25.302 \| good	12.082 \| good	0.155 \| good	7.104 \| good	0.286 \| good
2025-09-15T07:00:00.000Z	44 \| good	8.009 \| good	21.234 \| good	15.833 \| good	0.185 \| good	5.494 \| good	0.248 \| good
2025-09-15T08:00:00.000Z	44 \| good	8.407 \| good	31.499 \| good	13.269 \| good	0.151 \| good	6.562 \| good	0.223 \| good
2025-09-15T09:00:00.000Z	44 \| good	8.398 \| good	34.023 \| good	12.291 \| good	0.165 \| good	8.78 \| good	0.233 \| good
2025-09-15T10:00:00.000Z	44 \| good	8.154 \| good	23.22 \| good	13.427 \| good	0.188 \| good	7.488 \| good	0.254 \| good
2025-09-15T11:00:00.000Z	49 \| good	9.12 \| good	37.452 \| good	17.226 \| good	0.208 \| good	6.923 \| good	0.29 \| good
2025-09-15T12:00:00.000Z	44 \| good	8.133 \| good	27.167 \| good	13.302 \| good	0.291 \| good	5.644 \| good	0.269 \| good
2025-09-15T13:00:00.000Z	49 \| good	8.804 \| good	29.676 \| good	12.776 \| good	0.178 \| good	5.61 \| good	0.262 \| good
2025-09-15T14:00:00.000Z	44 \| good	8.24 \| good	20.43 \| good	23.82 \| good	0.856 \| good	5.632 \| good	0.202 \| good
2025-09-15T14:00:00.000Z	44 \| good	8.24 \| good	20.43 \| good	23.82 \| good	0.856 \| good	5.632 \| good	0.202 \| good
2025-09-12T01:00:00.000Z	33 \| good	6.305 \| good	28.194 \| good	23.411 \| good	0.779 \| good	13.699 \| good	0.295 \| good
2025-09-12T02:00:00.000Z	49 \| good	8.923 \| good	39.3 \| good	25.621 \| good	0.751 \| good	11.878 \| good	0.283 \| good
2025-09-12T03:00:00.000Z	56 \| moderate	11.641 \| good	51.937 \| good	25.46 \| good	0.723 \| good	10.057 \| good	0.271 \| good
2025-09-12T04:00:00.000Z	56 \| moderate	12.137 \| fine	54.693 \| good	23.355 \| good	0.619 \| good	7.312 \| good	0.24 \| good
2025-09-12T05:00:00.000Z	54 \| moderate	11.062 \| good	48.878 \| good	23.242 \| good	0.516 \| good	4.567 \| good	0.21 \| good
2025-09-12T06:00:00.000Z	52 \| moderate	9.697 \| good	43.553 \| good	22.958 \| good	0.413 \| good	1.821 \| good	0.18 \| good
2025-09-12T07:00:00.000Z	38 \| good	7.083 \| good	31.14 \| good	19.972 \| good	0.399 \| good	1.715 \| good	0.177 \| good
2025-09-12T08:00:00.000Z	33 \| good	5.786 \| good	25.243 \| good	20.788 \| good	0.386 \| good	1.608 \| good	0.174 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.98 \| good	26.217 \| good	17.884 \| good	0.373 \| good	1.502 \| good	0.171 \| good
2025-09-12T10:00:00.000Z	27 \| good	5.258 \| good	22.66 \| good	13.995 \| good	0.361 \| good	1.899 \| good	0.175 \| good
2025-09-12T11:00:00.000Z	33 \| good	6.358 \| good	28.245 \| good	13.218 \| good	0.349 \| good	2.297 \| good	0.179 \| good
2025-09-12T12:00:00.000Z	44 \| good	7.713 \| good	33.992 \| good	18.004 \| good	0.337 \| good	2.694 \| good	0.183 \| good
2025-09-12T13:00:00.000Z	44 \| good	7.686 \| good	33.958 \| good	19.785 \| good	0.349 \| good	2.119 \| good	0.175 \| good
2025-09-12T14:00:00.000Z	38 \| good	6.981 \| good	30.806 \| good	24.515 \| good	0.361 \| good	1.543 \| good	0.167 \| good
2025-09-12T15:00:00.000Z	33 \| good	6.248 \| good	27.763 \| good	28.837 \| good	0.373 \| good	0.968 \| good	0.159 \| good
2025-09-12T16:00:00.000Z	31 \| good	5.166 \| good	22.488 \| good	33.188 \| good	0.348 \| good	0.847 \| good	0.157 \| good
2025-09-12T17:00:00.000Z	33 \| good	4.479 \| good	19.325 \| good	36.087 \| good	0.323 \| good	0.726 \| good	0.155 \| good
2025-09-12T18:00:00.000Z	34 \| good	4.244 \| good	18.793 \| good	36.66 \| good	0.298 \| good	0.606 \| good	0.152 \| good
2025-09-12T19:00:00.000Z	35 \| good	4.042 \| good	17.422 \| good	37.606 \| good	0.287 \| good	0.713 \| good	0.151 \| good
2025-09-12T20:00:00.000Z	35 \| good	4.196 \| good	18.337 \| good	38.066 \| good	0.276 \| good	0.821 \| good	0.15 \| good
2025-09-12T21:00:00.000Z	39 \| good	4.329 \| good	19.045 \| good	41.587 \| good	0.265 \| good	0.928 \| good	0.149 \| good
2025-09-12T22:00:00.000Z	39 \| good	4.719 \| good	20.489 \| good	42.344 \| good	0.34 \| good	4.929 \| good	0.188 \| good
2025-09-12T23:00:00.000Z	36 \| good	6.181 \| good	27.36 \| good	39.212 \| good	0.416 \| good	8.93 \| good	0.228 \| good
2025-09-13T00:00:00.000Z	44 \| good	8.475 \| good	37.153 \| good	31.045 \| good	0.491 \| good	12.931 \| good	0.268 \| good
2025-09-13T01:00:00.000Z	38 \| good	7.134 \| good	31.513 \| good	24.817 \| good	0.585 \| good	13.16 \| good	0.276 \| good
2025-09-13T02:00:00.000Z	33 \| good	6.302 \| good	28.094 \| good	23.047 \| good	0.679 \| good	13.389 \| good	0.283 \| good
2025-09-13T03:00:00.000Z	33 \| good	6.292 \| good	27.868 \| good	20.279 \| good	0.773 \| good	13.619 \| good	0.29 \| good
2025-09-13T04:00:00.000Z	33 \| good	5.965 \| good	26.245 \| good	15.875 \| good	0.783 \| good	12.1 \| good	0.275 \| good
2025-09-13T05:00:00.000Z	27 \| good	5.346 \| good	23.026 \| good	11.967 \| good	0.792 \| good	10.581 \| good	0.259 \| good
2025-09-13T06:00:00.000Z	33 \| good	5.863 \| good	25.145 \| good	10.368 \| good	0.802 \| good	9.062 \| good	0.243 \| good
2025-09-13T07:00:00.000Z	33 \| good	6.357 \| good	28.466 \| good	9.982 \| good	0.803 \| good	8.192 \| good	0.231 \| good
2025-09-13T08:00:00.000Z	38 \| good	6.677 \| good	29.793 \| good	9.297 \| good	0.804 \| good	7.321 \| good	0.218 \| good
2025-09-13T09:00:00.000Z	38 \| good	6.633 \| good	29.523 \| good	9.488 \| good	0.805 \| good	6.451 \| good	0.206 \| good
2025-09-13T10:00:00.000Z	38 \| good	7.042 \| good	30.997 \| good	8.637 \| good	0.748 \| good	6.913 \| good	0.218 \| good
2025-09-13T11:00:00.000Z	38 \| good	6.676 \| good	29.793 \| good	9.236 \| good	0.691 \| good	7.375 \| good	0.231 \| good
2025-09-13T12:00:00.000Z	38 \| good	6.758 \| good	29.74 \| good	14.792 \| good	0.634 \| good	7.837 \| good	0.243 \| good
2025-09-13T13:00:00.000Z	38 \| good	7.219 \| good	31.592 \| good	23.384 \| good	0.821 \| good	6.274 \| good	0.223 \| good
2025-09-13T14:00:00.000Z	38 \| good	7.191 \| good	31.555 \| good	32.57 \| good	1.008 \| good	4.711 \| good	0.204 \| good
2025-09-13T15:00:00.000Z	44 \| good	7.675 \| good	33.801 \| good	38.089 \| good	1.195 \| good	3.148 \| good	0.185 \| good
2025-09-13T16:00:00.000Z	37 \| good	6.388 \| good	28.248 \| good	40.31 \| good	1.037 \| good	2.426 \| good	0.179 \| good
2025-09-13T17:00:00.000Z	44 \| good	8.459 \| good	37.131 \| good	39.011 \| good	0.878 \| good	1.703 \| good	0.174 \| good
2025-09-13T18:00:00.000Z	49 \| good	8.567 \| good	37.613 \| good	36.757 \| good	0.72 \| good	0.981 \| good	0.168 \| good
2025-09-13T19:00:00.000Z	49 \| good	9.157 \| good	40.191 \| good	39.067 \| good	0.648 \| good	1.103 \| good	0.167 \| good
2025-09-13T20:00:00.000Z	49 \| good	8.979 \| good	39.306 \| good	39.774 \| good	0.576 \| good	1.225 \| good	0.165 \| good
2025-09-13T21:00:00.000Z	52 \| moderate	9.999 \| good	44.464 \| good	38.837 \| good	0.504 \| good	1.347 \| good	0.164 \| good
2025-09-13T22:00:00.000Z	54 \| moderate	10.511 \| good	46.426 \| good	38.517 \| good	0.544 \| good	3.91 \| good	0.19 \| good
2025-09-13T23:00:00.000Z	56 \| moderate	11.688 \| good	52.048 \| good	37.296 \| good	0.583 \| good	6.473 \| good	0.215 \| good
2025-09-14T00:00:00.000Z	52 \| moderate	10.122 \| good	10.453 \| good	42.901 \| good	0.625 \| good	9.042 \| good	0.241 \| good

Westfield

Empower business decisions with accurate air quality data

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

0.20ppm

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 10:00:00, 2025-09-11.

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

The best air quality in Westfield, Massachusetts was observed at 01:00:00 on 2025-09-11.

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

The air quality in Westfield, Massachusetts right now is Good, with an AQI of 38.

What pollutant is most frequently found in Westfield, Massachusetts?

In Westfield, Massachusetts, O3 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 3.922 μg/m³.

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

Westfield, Massachusetts currently has a PM₁₀ concentration of 14.644 μg/m³.

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

The current carbon monoxide (CO) level in Westfield, Massachusetts is 0.202 ppm.

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

The current sulfur dioxide (SO₂) concentration in Westfield, Massachusetts is 0.152 ppb.

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

Westfield, Massachusetts currently has an ozone (O₃) concentration of 40.675 ppm.

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

The current level of nitrogen dioxide (NO₂) in Westfield, Massachusetts is 5.06 ppb.

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