What is the PM10 level in Westfield, Indiana at the moment?

The PM10 concentration in Westfield, Indiana is 40.686 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Westfield, Indiana at the moment?

Currently, Westfield, Indiana has a sulfur dioxide (SO2) concentration of 0.867 ppb.

What is the ozone (O3) level in Westfield, Indiana at the moment?

The current ozone (O3) level in Westfield, Indiana at the moment is 43.367 ppm.

What is the nitrogen dioxide (NO2) level in Westfield, Indiana at the moment?

Nitrogen dioxide (NO2) level in Westfield, Indiana at the moment is 10.487 ppb.

Live air quality index in Westfield, Indiana today

Q: What is the PM2.5 level in Westfield, Indiana at the moment?

PM2.5 levels in Westfield, Indiana are currently 13.444 μg/m3.

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

Last updated: ... (Local time)

Major air pollutants in Westfield, Indiana

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.55 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

46.31 μg/m³

155

255

425

605+

Ozone (O₃)

47.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.73 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Westfield, Indiana

Get Live Pollen Counts

Westfield, Indiana

Scroll To Air Quality Map

Track live Westfield, Indiana air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	44 \| good	8.478 \| good	32.481 \| good	46.047 \| good	0.644 \| good	5.272 \| good	0.204 \| good
2026-10-20T21:00:00.000Z	44 \| good	6.746 \| good	16.879 \| good	47.952 \| good	0.54 \| good	5.295 \| good	0.219 \| good
2026-10-20T22:00:00.000Z	45 \| good	4.517 \| good	21.055 \| good	48.51 \| good	0.867 \| good	2.743 \| good	0.219 \| good
2026-10-20T23:00:00.000Z	49 \| good	8.563 \| good	40.24 \| good	51.052 \| good	0.533 \| good	4.604 \| good	0.238 \| good
2026-10-21T00:00:00.000Z	49 \| good	9.16 \| good	30.017 \| good	44.359 \| good	0.476 \| good	6.643 \| good	0.322 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.971 \| good	48.58 \| good	32.905 \| good	0.386 \| good	15.022 \| good	0.401 \| good
2026-10-21T02:00:00.000Z	49 \| good	8.509 \| good	48.701 \| good	31.019 \| good	0.462 \| good	21.16 \| good	0.459 \| good
2026-10-21T03:00:00.000Z	69 \| moderate	18.758 \| fine	83.054 \| fine	12.953 \| good	0.91 \| good	22.779 \| good	0.351 \| good
2026-10-21T04:00:00.000Z	60 \| moderate	13.935 \| fine	59.074 \| fine	23.783 \| good	0.358 \| good	24.515 \| good	0.42 \| good
2026-10-21T05:00:00.000Z	66 \| moderate	17.442 \| fine	41.349 \| good	12.472 \| good	0.898 \| good	24.574 \| good	0.38 \| good
2026-10-21T06:00:00.000Z	66 \| moderate	16.89 \| fine	58.037 \| fine	15.587 \| good	0.436 \| good	23.326 \| good	0.321 \| good
2026-10-21T07:00:00.000Z	60 \| moderate	14.34 \| fine	48.148 \| good	13.692 \| good	0.374 \| good	20.245 \| good	0.323 \| good
2026-10-21T08:00:00.000Z	52 \| moderate	10.069 \| good	53.445 \| good	11.853 \| good	0.449 \| good	17.829 \| good	0.32 \| good
2026-10-21T09:00:00.000Z	56 \| moderate	12.049 \| good	59.401 \| fine	11.483 \| good	0.431 \| good	16.018 \| good	0.34 \| good
2026-10-21T10:00:00.000Z	58 \| moderate	12.502 \| fine	41.654 \| good	10.356 \| good	0.378 \| good	14.709 \| good	0.32 \| good
2026-10-21T11:00:00.000Z	60 \| moderate	10.463 \| good	73.221 \| fine	7.392 \| good	0.401 \| good	15.051 \| good	0.399 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	11.374 \| good	55.318 \| fine	10.585 \| good	0.417 \| good	16.576 \| good	0.507 \| good
2026-10-21T13:00:00.000Z	56 \| moderate	12.252 \| fine	26.382 \| good	4.701 \| good	0.485 \| good	13.711 \| good	0.549 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	10.248 \| good	27.686 \| good	23.603 \| good	0.518 \| good	13.741 \| good	0.63 \| good
2026-10-21T15:00:00.000Z	54 \| moderate	10.82 \| good	23.97 \| good	9.302 \| good	0.5 \| good	14.788 \| good	0.421 \| good
2026-10-21T16:00:00.000Z	57 \| moderate	10.969 \| good	66.967 \| fine	20.337 \| good	0.577 \| good	20.323 \| good	0.401 \| good
2026-10-21T17:00:00.000Z	54 \| moderate	10.56 \| good	34.913 \| good	15.333 \| good	1.086 \| good	21.013 \| good	0.342 \| good
2026-10-21T18:00:00.000Z	44 \| good	7.67 \| good	38.399 \| good	38.311 \| good	0.774 \| good	15.515 \| good	0.244 \| good
2026-10-21T19:00:00.000Z	44 \| good	8.114 \| good	40.124 \| good	48.18 \| good	0.631 \| good	9.292 \| good	0.243 \| good
2026-10-21T20:00:00.000Z	49 \| good	9.471 \| good	36.609 \| good	48.648 \| good	0.597 \| good	5.712 \| good	0.224 \| good
2026-10-21T21:00:00.000Z	45 \| good	6.071 \| good	29.342 \| good	49.247 \| good	0.523 \| good	4.702 \| good	0.243 \| good
2026-10-21T22:00:00.000Z	49 \| good	6.827 \| good	29.194 \| good	53.103 \| good	0.542 \| good	5.057 \| good	0.302 \| good
2026-10-21T23:00:00.000Z	48 \| good	5.796 \| good	20.682 \| good	51.517 \| good	0.482 \| good	5.897 \| good	0.263 \| good
2026-10-22T00:00:00.000Z	44 \| good	6.091 \| good	20.408 \| good	48.422 \| good	0.439 \| good	11.097 \| good	0.36 \| good
2026-10-22T01:00:00.000Z	49 \| good	8.978 \| good	44.279 \| good	39.669 \| good	0.426 \| good	28.23 \| good	0.4 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	9.636 \| good	37.49 \| good	32.618 \| good	0.562 \| good	24.454 \| good	0.42 \| good
2026-10-22T03:00:00.000Z	69 \| moderate	18.787 \| fine	83.622 \| fine	15.357 \| good	1.131 \| good	24.438 \| good	0.403 \| good
2026-10-22T04:00:00.000Z	56 \| moderate	11.976 \| good	57.222 \| fine	20.354 \| good	0.573 \| good	27.932 \| good	0.536 \| good
2026-10-22T05:00:00.000Z	56 \| moderate	11.849 \| good	52.305 \| good	20.451 \| good	0.892 \| good	26.126 \| good	0.497 \| good
2026-10-22T06:00:00.000Z	54 \| moderate	10.973 \| good	53.093 \| good	16.02 \| good	0.484 \| good	23.888 \| good	0.474 \| good
2026-10-22T07:00:00.000Z	62 \| moderate	13.88 \| fine	77.129 \| fine	10.804 \| good	0.536 \| good	21.435 \| good	0.45 \| good
2026-10-22T08:00:00.000Z	56 \| moderate	12.131 \| fine	27.936 \| good	8.418 \| good	0.458 \| good	19.554 \| good	0.354 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	14.888 \| fine	50.402 \| good	11.873 \| good	0.44 \| good	16.529 \| good	0.335 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	11 \| good	38.358 \| good	11.772 \| good	0.477 \| good	15.611 \| good	0.341 \| good
2026-10-22T11:00:00.000Z	52 \| moderate	10.047 \| good	41.93 \| good	8.86 \| good	0.46 \| good	14.42 \| good	0.395 \| good
2026-10-22T12:00:00.000Z	61 \| moderate	14.183 \| fine	74.823 \| fine	5.081 \| good	0.491 \| good	13.211 \| good	0.59 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	13.832 \| fine	46.069 \| good	10.962 \| good	0.558 \| good	16.682 \| good	0.478 \| good
2026-10-22T14:00:00.000Z	58 \| moderate	12.596 \| fine	58.782 \| fine	6.349 \| good	0.582 \| good	17.675 \| good	0.598 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	15.501 \| fine	75.084 \| fine	10.463 \| good	0.703 \| good	15.669 \| good	0.474 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	15.138 \| fine	48.931 \| good	21.835 \| good	0.538 \| good	17.22 \| good	0.362 \| good
2026-10-22T17:00:00.000Z	54 \| moderate	10.812 \| good	36.139 \| good	33.437 \| good	0.959 \| good	9.56 \| good	0.342 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	13.444 \| fine	40.686 \| good	43.367 \| good	0.867 \| good	10.487 \| good	0.203 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.548 \| good	46.307 \| good	47.62 \| good	0.734 \| good	5.694 \| good	0.204 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.548 \| good	46.307 \| good	47.62 \| good	0.734 \| good	5.694 \| good	0.204 \| good
2026-10-22T20:00:00.000Z	50 \| good	6.952 \| good	30.756 \| good	54.44 \| good	0.831 \| good	0.893 \| good	0.153 \| good
2026-10-22T21:00:00.000Z	49 \| good	6.033 \| good	26.489 \| good	52.667 \| good	0.799 \| good	1.007 \| good	0.155 \| good
2026-10-22T22:00:00.000Z	44 \| good	5.7 \| good	25.102 \| good	47.026 \| good	0.778 \| good	1.965 \| good	0.164 \| good
2026-10-22T23:00:00.000Z	44 \| good	7.89 \| good	34.742 \| good	38.791 \| good	0.784 \| good	6.298 \| good	0.202 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	15.07 \| fine	67.36 \| fine	29.68 \| good	0.802 \| good	10.546 \| good	0.242 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	15.22 \| fine	67.939 \| fine	25.027 \| good	0.822 \| good	11.858 \| good	0.252 \| good
2026-10-23T02:00:00.000Z	66 \| moderate	17.243 \| fine	76.207 \| fine	21.031 \| good	0.833 \| good	12.145 \| good	0.255 \| good
2026-10-23T03:00:00.000Z	71 \| moderate	19.571 \| fine	86.331 \| fine	18.596 \| good	0.843 \| good	12.32 \| good	0.257 \| good
2026-10-23T04:00:00.000Z	71 \| moderate	19.684 \| fine	86.878 \| fine	17.326 \| good	0.859 \| good	12.582 \| good	0.261 \| good
2026-10-23T05:00:00.000Z	69 \| moderate	18.572 \| fine	81.846 \| fine	16.066 \| good	0.877 \| good	12.604 \| good	0.268 \| good
2026-10-23T06:00:00.000Z	67 \| moderate	17.991 \| fine	79.483 \| fine	15.051 \| good	0.902 \| good	12.675 \| good	0.273 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.525 \| fine	73.556 \| fine	12.781 \| good	0.935 \| good	12.91 \| good	0.279 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.673 \| fine	73.85 \| fine	12.124 \| good	0.972 \| good	13 \| good	0.283 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.923 \| fine	75.428 \| fine	10.512 \| good	1.016 \| good	13.056 \| good	0.286 \| good
2026-10-23T10:00:00.000Z	67 \| moderate	18.317 \| fine	81.339 \| fine	12.309 \| good	1.052 \| good	13.76 \| good	0.293 \| good
2026-10-23T11:00:00.000Z	64 \| moderate	16.333 \| fine	72.491 \| fine	8.971 \| good	1.076 \| good	14.901 \| good	0.304 \| good
2026-10-23T12:00:00.000Z	66 \| moderate	17.093 \| fine	75.705 \| fine	6.371 \| good	1.131 \| good	16.338 \| good	0.322 \| good
2026-10-23T13:00:00.000Z	64 \| moderate	16.425 \| fine	72.519 \| fine	14.133 \| good	1.187 \| good	14.371 \| good	0.347 \| good
2026-10-23T14:00:00.000Z	64 \| moderate	16.493 \| fine	73.264 \| fine	23.824 \| good	1.378 \| good	10.303 \| good	0.322 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.424 \| fine	73.117 \| fine	34.081 \| good	1.729 \| good	7.353 \| good	0.272 \| good
2026-10-23T16:00:00.000Z	60 \| moderate	14.421 \| fine	65.054 \| fine	45.355 \| good	1.782 \| good	3.918 \| good	0.211 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.585 \| good	46.946 \| good	50.687 \| good	1.354 \| good	2.046 \| good	0.184 \| good
2026-10-23T18:00:00.000Z	49 \| good	8.545 \| good	37.664 \| good	52.466 \| good	1.126 \| good	1.406 \| good	0.176 \| good
2026-10-23T19:00:00.000Z	48 \| good	7.501 \| good	32.99 \| good	52.492 \| good	1.009 \| good	1.16 \| good	0.172 \| good
2026-10-23T20:00:00.000Z	49 \| good	6.515 \| good	28.798 \| good	52.876 \| good	0.96 \| good	1.099 \| good	0.17 \| good
2026-10-23T21:00:00.000Z	47 \| good	6.998 \| good	31.092 \| good	50.735 \| good	0.951 \| good	1.202 \| good	0.171 \| good
2026-10-23T22:00:00.000Z	49 \| good	9.168 \| good	40.802 \| good	43.995 \| good	0.97 \| good	1.825 \| good	0.176 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.233 \| fine	63.684 \| fine	34.283 \| good	0.971 \| good	6.448 \| good	0.219 \| good
2026-10-24T00:00:00.000Z	75 \| moderate	21.597 \| fine	94.904 \| fine	24.863 \| good	1.002 \| good	10.829 \| good	0.26 \| good
2026-10-24T01:00:00.000Z	69 \| moderate	19.386 \| fine	85.898 \| fine	20.033 \| good	1.04 \| good	11.1 \| good	0.26 \| good
2026-10-24T02:00:00.000Z	75 \| moderate	22.098 \| fine	96.692 \| fine	16.728 \| good	1.071 \| good	10.373 \| good	0.253 \| good
2026-10-24T03:00:00.000Z	77 \| moderate	22.744 \| fine	99.976 \| fine	14.141 \| good	1.083 \| good	9.741 \| good	0.248 \| good
2026-10-24T04:00:00.000Z	75 \| moderate	22.06 \| fine	96.822 \| fine	14.732 \| good	1.071 \| good	9.267 \| good	0.246 \| good
2026-10-24T05:00:00.000Z	73 \| moderate	21.305 \| fine	93.144 \| fine	14.062 \| good	1.037 \| good	8.653 \| good	0.244 \| good
2026-10-24T06:00:00.000Z	75 \| moderate	21.898 \| fine	96.252 \| fine	15.275 \| good	0.997 \| good	8.165 \| good	0.243 \| good
2026-10-24T07:00:00.000Z	69 \| moderate	19.382 \| fine	85.289 \| fine	14.262 \| good	0.961 \| good	7.849 \| good	0.242 \| good
2026-10-24T08:00:00.000Z	69 \| moderate	18.574 \| fine	81.784 \| fine	12.084 \| good	0.933 \| good	7.629 \| good	0.241 \| good
2026-10-24T09:00:00.000Z	67 \| moderate	17.921 \| fine	78.728 \| fine	8.886 \| good	0.908 \| good	7.623 \| good	0.241 \| good
2026-10-24T10:00:00.000Z	71 \| moderate	19.627 \| fine	86.171 \| fine	9.911 \| good	0.885 \| good	7.93 \| good	0.243 \| good
2026-10-24T11:00:00.000Z	69 \| moderate	19.162 \| fine	84.095 \| fine	9.546 \| good	0.874 \| good	8.508 \| good	0.248 \| good
2026-10-24T12:00:00.000Z	69 \| moderate	18.981 \| fine	84.087 \| fine	8.392 \| good	0.887 \| good	9.847 \| good	0.258 \| good
2026-10-24T13:00:00.000Z	66 \| moderate	17.284 \| fine	76.277 \| fine	13.445 \| good	0.895 \| good	9.678 \| good	0.275 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	15.281 \| fine	68.2 \| fine	22.3 \| good	0.963 \| good	7.78 \| good	0.279 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.089 \| fine	58.759 \| fine	34.072 \| good	1.288 \| good	6.214 \| good	0.257 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.164 \| fine	54.344 \| good	41.74 \| good	1.808 \| good	4.114 \| good	0.221 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.804 \| good	52.372 \| good	48.07 \| good	1.637 \| good	1.941 \| good	0.192 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.866 \| good	53.174 \| good	51.682 \| good	1.49 \| good	1.436 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.12 \| good	49.465 \| good	55.325 \| fine	1.426 \| good	1.32 \| good	0.182 \| good

Westfield

Get reliable air quality data to drive your business

Westfield, Indiana air quality map: Stay updated on AQI near you

0.21ppm

How accurate is Indiana, USA air quality data?

Air quality and pollutant data for Indiana, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Westfield, Indiana?

The air quality information for Westfield, Indiana is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Westfield, Indiana at its worst?

In the past 24 hours, the air quality in Westfield, Indiana was at its worst at 03:00:00 on 2026-10-22.

When did Westfield, Indiana experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Westfield, Indiana was observed at 12:00:00 on 2026-10-22.

What is the AQI in Westfield, Indiana right now?

As of now, the AQI in Westfield, Indiana is 58, indicating Moderate conditions.

What is the most common type of pollution in Westfield, Indiana?

Westfield, Indiana air has the highest levels of PM2.5.

What should I do in case of poor air quality in Westfield, Indiana?

Poor air quality in Westfield, Indiana means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Westfield, Indiana at the moment?

PM_2.5 levels in Westfield, Indiana are currently 13.444 μg/m³.

What is the PM₁₀ level in Westfield, Indiana at the moment?

The PM₁₀ concentration in Westfield, Indiana is 40.686 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Westfield, Indiana at the moment?

The current carbon monoxide (CO) concentration in Westfield, Indiana is 0.203 ppm.

What is the sulfur dioxide (SO₂) level in Westfield, Indiana at the moment?

Currently, Westfield, Indiana has a sulfur dioxide (SO₂) concentration of 0.867 ppb.

What is the ozone (O₃) level in Westfield, Indiana at the moment?

The current ozone (O₃) level in Westfield, Indiana at the moment is 43.367 ppm.

What is the nitrogen dioxide (NO₂) level in Westfield, Indiana at the moment?

Nitrogen dioxide (NO₂) level in Westfield, Indiana at the moment is 10.487 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T20:00:00.000Z	44 \| good	8.478 \| good	32.481 \| good	46.047 \| good	0.644 \| good	5.272 \| good	0.204 \| good
2026-10-20T21:00:00.000Z	44 \| good	6.746 \| good	16.879 \| good	47.952 \| good	0.54 \| good	5.295 \| good	0.219 \| good
2026-10-20T22:00:00.000Z	45 \| good	4.517 \| good	21.055 \| good	48.51 \| good	0.867 \| good	2.743 \| good	0.219 \| good
2026-10-20T23:00:00.000Z	49 \| good	8.563 \| good	40.24 \| good	51.052 \| good	0.533 \| good	4.604 \| good	0.238 \| good
2026-10-21T00:00:00.000Z	49 \| good	9.16 \| good	30.017 \| good	44.359 \| good	0.476 \| good	6.643 \| good	0.322 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.971 \| good	48.58 \| good	32.905 \| good	0.386 \| good	15.022 \| good	0.401 \| good
2026-10-21T02:00:00.000Z	49 \| good	8.509 \| good	48.701 \| good	31.019 \| good	0.462 \| good	21.16 \| good	0.459 \| good
2026-10-21T03:00:00.000Z	69 \| moderate	18.758 \| fine	83.054 \| fine	12.953 \| good	0.91 \| good	22.779 \| good	0.351 \| good
2026-10-21T04:00:00.000Z	60 \| moderate	13.935 \| fine	59.074 \| fine	23.783 \| good	0.358 \| good	24.515 \| good	0.42 \| good
2026-10-21T05:00:00.000Z	66 \| moderate	17.442 \| fine	41.349 \| good	12.472 \| good	0.898 \| good	24.574 \| good	0.38 \| good
2026-10-21T06:00:00.000Z	66 \| moderate	16.89 \| fine	58.037 \| fine	15.587 \| good	0.436 \| good	23.326 \| good	0.321 \| good
2026-10-21T07:00:00.000Z	60 \| moderate	14.34 \| fine	48.148 \| good	13.692 \| good	0.374 \| good	20.245 \| good	0.323 \| good
2026-10-21T08:00:00.000Z	52 \| moderate	10.069 \| good	53.445 \| good	11.853 \| good	0.449 \| good	17.829 \| good	0.32 \| good
2026-10-21T09:00:00.000Z	56 \| moderate	12.049 \| good	59.401 \| fine	11.483 \| good	0.431 \| good	16.018 \| good	0.34 \| good
2026-10-21T10:00:00.000Z	58 \| moderate	12.502 \| fine	41.654 \| good	10.356 \| good	0.378 \| good	14.709 \| good	0.32 \| good
2026-10-21T11:00:00.000Z	60 \| moderate	10.463 \| good	73.221 \| fine	7.392 \| good	0.401 \| good	15.051 \| good	0.399 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	11.374 \| good	55.318 \| fine	10.585 \| good	0.417 \| good	16.576 \| good	0.507 \| good
2026-10-21T13:00:00.000Z	56 \| moderate	12.252 \| fine	26.382 \| good	4.701 \| good	0.485 \| good	13.711 \| good	0.549 \| good
2026-10-21T14:00:00.000Z	52 \| moderate	10.248 \| good	27.686 \| good	23.603 \| good	0.518 \| good	13.741 \| good	0.63 \| good
2026-10-21T15:00:00.000Z	54 \| moderate	10.82 \| good	23.97 \| good	9.302 \| good	0.5 \| good	14.788 \| good	0.421 \| good
2026-10-21T16:00:00.000Z	57 \| moderate	10.969 \| good	66.967 \| fine	20.337 \| good	0.577 \| good	20.323 \| good	0.401 \| good
2026-10-21T17:00:00.000Z	54 \| moderate	10.56 \| good	34.913 \| good	15.333 \| good	1.086 \| good	21.013 \| good	0.342 \| good
2026-10-21T18:00:00.000Z	44 \| good	7.67 \| good	38.399 \| good	38.311 \| good	0.774 \| good	15.515 \| good	0.244 \| good
2026-10-21T19:00:00.000Z	44 \| good	8.114 \| good	40.124 \| good	48.18 \| good	0.631 \| good	9.292 \| good	0.243 \| good
2026-10-21T20:00:00.000Z	49 \| good	9.471 \| good	36.609 \| good	48.648 \| good	0.597 \| good	5.712 \| good	0.224 \| good
2026-10-21T21:00:00.000Z	45 \| good	6.071 \| good	29.342 \| good	49.247 \| good	0.523 \| good	4.702 \| good	0.243 \| good
2026-10-21T22:00:00.000Z	49 \| good	6.827 \| good	29.194 \| good	53.103 \| good	0.542 \| good	5.057 \| good	0.302 \| good
2026-10-21T23:00:00.000Z	48 \| good	5.796 \| good	20.682 \| good	51.517 \| good	0.482 \| good	5.897 \| good	0.263 \| good
2026-10-22T00:00:00.000Z	44 \| good	6.091 \| good	20.408 \| good	48.422 \| good	0.439 \| good	11.097 \| good	0.36 \| good
2026-10-22T01:00:00.000Z	49 \| good	8.978 \| good	44.279 \| good	39.669 \| good	0.426 \| good	28.23 \| good	0.4 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	9.636 \| good	37.49 \| good	32.618 \| good	0.562 \| good	24.454 \| good	0.42 \| good
2026-10-22T03:00:00.000Z	69 \| moderate	18.787 \| fine	83.622 \| fine	15.357 \| good	1.131 \| good	24.438 \| good	0.403 \| good
2026-10-22T04:00:00.000Z	56 \| moderate	11.976 \| good	57.222 \| fine	20.354 \| good	0.573 \| good	27.932 \| good	0.536 \| good
2026-10-22T05:00:00.000Z	56 \| moderate	11.849 \| good	52.305 \| good	20.451 \| good	0.892 \| good	26.126 \| good	0.497 \| good
2026-10-22T06:00:00.000Z	54 \| moderate	10.973 \| good	53.093 \| good	16.02 \| good	0.484 \| good	23.888 \| good	0.474 \| good
2026-10-22T07:00:00.000Z	62 \| moderate	13.88 \| fine	77.129 \| fine	10.804 \| good	0.536 \| good	21.435 \| good	0.45 \| good
2026-10-22T08:00:00.000Z	56 \| moderate	12.131 \| fine	27.936 \| good	8.418 \| good	0.458 \| good	19.554 \| good	0.354 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	14.888 \| fine	50.402 \| good	11.873 \| good	0.44 \| good	16.529 \| good	0.335 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	11 \| good	38.358 \| good	11.772 \| good	0.477 \| good	15.611 \| good	0.341 \| good
2026-10-22T11:00:00.000Z	52 \| moderate	10.047 \| good	41.93 \| good	8.86 \| good	0.46 \| good	14.42 \| good	0.395 \| good
2026-10-22T12:00:00.000Z	61 \| moderate	14.183 \| fine	74.823 \| fine	5.081 \| good	0.491 \| good	13.211 \| good	0.59 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	13.832 \| fine	46.069 \| good	10.962 \| good	0.558 \| good	16.682 \| good	0.478 \| good
2026-10-22T14:00:00.000Z	58 \| moderate	12.596 \| fine	58.782 \| fine	6.349 \| good	0.582 \| good	17.675 \| good	0.598 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	15.501 \| fine	75.084 \| fine	10.463 \| good	0.703 \| good	15.669 \| good	0.474 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	15.138 \| fine	48.931 \| good	21.835 \| good	0.538 \| good	17.22 \| good	0.362 \| good
2026-10-22T17:00:00.000Z	54 \| moderate	10.812 \| good	36.139 \| good	33.437 \| good	0.959 \| good	9.56 \| good	0.342 \| good
2026-10-22T18:00:00.000Z	58 \| moderate	13.444 \| fine	40.686 \| good	43.367 \| good	0.867 \| good	10.487 \| good	0.203 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.548 \| good	46.307 \| good	47.62 \| good	0.734 \| good	5.694 \| good	0.204 \| good
2026-10-22T19:00:00.000Z	56 \| moderate	11.548 \| good	46.307 \| good	47.62 \| good	0.734 \| good	5.694 \| good	0.204 \| good
2026-10-22T20:00:00.000Z	50 \| good	6.952 \| good	30.756 \| good	54.44 \| good	0.831 \| good	0.893 \| good	0.153 \| good
2026-10-22T21:00:00.000Z	49 \| good	6.033 \| good	26.489 \| good	52.667 \| good	0.799 \| good	1.007 \| good	0.155 \| good
2026-10-22T22:00:00.000Z	44 \| good	5.7 \| good	25.102 \| good	47.026 \| good	0.778 \| good	1.965 \| good	0.164 \| good
2026-10-22T23:00:00.000Z	44 \| good	7.89 \| good	34.742 \| good	38.791 \| good	0.784 \| good	6.298 \| good	0.202 \| good
2026-10-23T00:00:00.000Z	62 \| moderate	15.07 \| fine	67.36 \| fine	29.68 \| good	0.802 \| good	10.546 \| good	0.242 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	15.22 \| fine	67.939 \| fine	25.027 \| good	0.822 \| good	11.858 \| good	0.252 \| good
2026-10-23T02:00:00.000Z	66 \| moderate	17.243 \| fine	76.207 \| fine	21.031 \| good	0.833 \| good	12.145 \| good	0.255 \| good
2026-10-23T03:00:00.000Z	71 \| moderate	19.571 \| fine	86.331 \| fine	18.596 \| good	0.843 \| good	12.32 \| good	0.257 \| good
2026-10-23T04:00:00.000Z	71 \| moderate	19.684 \| fine	86.878 \| fine	17.326 \| good	0.859 \| good	12.582 \| good	0.261 \| good
2026-10-23T05:00:00.000Z	69 \| moderate	18.572 \| fine	81.846 \| fine	16.066 \| good	0.877 \| good	12.604 \| good	0.268 \| good
2026-10-23T06:00:00.000Z	67 \| moderate	17.991 \| fine	79.483 \| fine	15.051 \| good	0.902 \| good	12.675 \| good	0.273 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.525 \| fine	73.556 \| fine	12.781 \| good	0.935 \| good	12.91 \| good	0.279 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.673 \| fine	73.85 \| fine	12.124 \| good	0.972 \| good	13 \| good	0.283 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.923 \| fine	75.428 \| fine	10.512 \| good	1.016 \| good	13.056 \| good	0.286 \| good
2026-10-23T10:00:00.000Z	67 \| moderate	18.317 \| fine	81.339 \| fine	12.309 \| good	1.052 \| good	13.76 \| good	0.293 \| good
2026-10-23T11:00:00.000Z	64 \| moderate	16.333 \| fine	72.491 \| fine	8.971 \| good	1.076 \| good	14.901 \| good	0.304 \| good
2026-10-23T12:00:00.000Z	66 \| moderate	17.093 \| fine	75.705 \| fine	6.371 \| good	1.131 \| good	16.338 \| good	0.322 \| good
2026-10-23T13:00:00.000Z	64 \| moderate	16.425 \| fine	72.519 \| fine	14.133 \| good	1.187 \| good	14.371 \| good	0.347 \| good
2026-10-23T14:00:00.000Z	64 \| moderate	16.493 \| fine	73.264 \| fine	23.824 \| good	1.378 \| good	10.303 \| good	0.322 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.424 \| fine	73.117 \| fine	34.081 \| good	1.729 \| good	7.353 \| good	0.272 \| good
2026-10-23T16:00:00.000Z	60 \| moderate	14.421 \| fine	65.054 \| fine	45.355 \| good	1.782 \| good	3.918 \| good	0.211 \| good
2026-10-23T17:00:00.000Z	54 \| moderate	10.585 \| good	46.946 \| good	50.687 \| good	1.354 \| good	2.046 \| good	0.184 \| good
2026-10-23T18:00:00.000Z	49 \| good	8.545 \| good	37.664 \| good	52.466 \| good	1.126 \| good	1.406 \| good	0.176 \| good
2026-10-23T19:00:00.000Z	48 \| good	7.501 \| good	32.99 \| good	52.492 \| good	1.009 \| good	1.16 \| good	0.172 \| good
2026-10-23T20:00:00.000Z	49 \| good	6.515 \| good	28.798 \| good	52.876 \| good	0.96 \| good	1.099 \| good	0.17 \| good
2026-10-23T21:00:00.000Z	47 \| good	6.998 \| good	31.092 \| good	50.735 \| good	0.951 \| good	1.202 \| good	0.171 \| good
2026-10-23T22:00:00.000Z	49 \| good	9.168 \| good	40.802 \| good	43.995 \| good	0.97 \| good	1.825 \| good	0.176 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.233 \| fine	63.684 \| fine	34.283 \| good	0.971 \| good	6.448 \| good	0.219 \| good
2026-10-24T00:00:00.000Z	75 \| moderate	21.597 \| fine	94.904 \| fine	24.863 \| good	1.002 \| good	10.829 \| good	0.26 \| good
2026-10-24T01:00:00.000Z	69 \| moderate	19.386 \| fine	85.898 \| fine	20.033 \| good	1.04 \| good	11.1 \| good	0.26 \| good
2026-10-24T02:00:00.000Z	75 \| moderate	22.098 \| fine	96.692 \| fine	16.728 \| good	1.071 \| good	10.373 \| good	0.253 \| good
2026-10-24T03:00:00.000Z	77 \| moderate	22.744 \| fine	99.976 \| fine	14.141 \| good	1.083 \| good	9.741 \| good	0.248 \| good
2026-10-24T04:00:00.000Z	75 \| moderate	22.06 \| fine	96.822 \| fine	14.732 \| good	1.071 \| good	9.267 \| good	0.246 \| good
2026-10-24T05:00:00.000Z	73 \| moderate	21.305 \| fine	93.144 \| fine	14.062 \| good	1.037 \| good	8.653 \| good	0.244 \| good
2026-10-24T06:00:00.000Z	75 \| moderate	21.898 \| fine	96.252 \| fine	15.275 \| good	0.997 \| good	8.165 \| good	0.243 \| good
2026-10-24T07:00:00.000Z	69 \| moderate	19.382 \| fine	85.289 \| fine	14.262 \| good	0.961 \| good	7.849 \| good	0.242 \| good
2026-10-24T08:00:00.000Z	69 \| moderate	18.574 \| fine	81.784 \| fine	12.084 \| good	0.933 \| good	7.629 \| good	0.241 \| good
2026-10-24T09:00:00.000Z	67 \| moderate	17.921 \| fine	78.728 \| fine	8.886 \| good	0.908 \| good	7.623 \| good	0.241 \| good
2026-10-24T10:00:00.000Z	71 \| moderate	19.627 \| fine	86.171 \| fine	9.911 \| good	0.885 \| good	7.93 \| good	0.243 \| good
2026-10-24T11:00:00.000Z	69 \| moderate	19.162 \| fine	84.095 \| fine	9.546 \| good	0.874 \| good	8.508 \| good	0.248 \| good
2026-10-24T12:00:00.000Z	69 \| moderate	18.981 \| fine	84.087 \| fine	8.392 \| good	0.887 \| good	9.847 \| good	0.258 \| good
2026-10-24T13:00:00.000Z	66 \| moderate	17.284 \| fine	76.277 \| fine	13.445 \| good	0.895 \| good	9.678 \| good	0.275 \| good
2026-10-24T14:00:00.000Z	62 \| moderate	15.281 \| fine	68.2 \| fine	22.3 \| good	0.963 \| good	7.78 \| good	0.279 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.089 \| fine	58.759 \| fine	34.072 \| good	1.288 \| good	6.214 \| good	0.257 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.164 \| fine	54.344 \| good	41.74 \| good	1.808 \| good	4.114 \| good	0.221 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	11.804 \| good	52.372 \| good	48.07 \| good	1.637 \| good	1.941 \| good	0.192 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	11.866 \| good	53.174 \| good	51.682 \| good	1.49 \| good	1.436 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.12 \| good	49.465 \| good	55.325 \| fine	1.426 \| good	1.32 \| good	0.182 \| good

Live air quality index in Westfield, Indiana today

Major air pollutants in Westfield, Indiana

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Westfield, Indiana air quality map: Stay updated on AQI near you

Air quality in nearby cities

Carmel, Indiana

Noblesville, Indiana

Fishers, Indiana

Zionsville, Indiana

Whitestown, Indiana

McCordsville, Indiana

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Westfield, Indiana at the moment?

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What is the nitrogen dioxide (NO₂) level in Westfield, Indiana at the moment?