What are the current PM10 levels at Keene, New Hampshire?

The current PM10 levels in Keene, New Hampshire are 26.995 μg/m3.

What are the current sulfur dioxide (SO2) levels at Keene, New Hampshire?

The current sulfur dioxide (SO2) levels in Keene, New Hampshire are 0.541 ppb.

What are the current ozone (O3) levels at Keene, New Hampshire?

The current ozone (O3) levels at Keene, New Hampshire is 27.005 ppm.

What are the current nitrogen dioxide (NO2) levels at Keene, New Hampshire?

The current nitrogen dioxide (NO2) levels at Keene, New Hampshire is 7.968 ppb.

Real-time air quality index in Keene, New Hampshire today

Q: What are the current PM2.5 levels in Keene, New Hampshire?

The measured PM2.5 levels in Keene, New Hampshire at present are 5.899 μg/m3.

Stay updated with real-time air quality in Keene, New Hampshire 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

Keene, New Hampshire

Last updated: ... (Local time)

Common air pollutants in Keene, New Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.00 μg/m³

155

255

425

605+

Ozone (O₃)

27.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.54 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Keene, New Hampshire

Get Live Pollen Counts

Keene, New Hampshire

Scroll To Air Quality Map

Track live Keene, New Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	31 \| good	2.4 \| good	10 \| good	34.001 \| good	0.506 \| good	5.18 \| good	0.224 \| good
2025-12-26T23:00:00.000Z	31 \| good	2.9 \| good	11.999 \| good	34.001 \| good	0.48 \| good	7.941 \| good	0.343 \| good
2025-12-27T00:00:00.000Z	29 \| good	4 \| good	17.996 \| good	31.001 \| good	0.603 \| good	7.129 \| good	0.263 \| good
2025-12-27T01:00:00.000Z	27 \| good	4.799 \| good	20.994 \| good	29.004 \| good	0.511 \| good	6.238 \| good	0.331 \| good
2025-12-27T02:00:00.000Z	27 \| good	4.999 \| good	21.994 \| good	29.003 \| good	0.511 \| good	5.907 \| good	0.287 \| good
2025-12-27T03:00:00.000Z	27 \| good	4.8 \| good	20.995 \| good	26.004 \| good	0.487 \| good	9.615 \| good	0.269 \| good
2025-12-27T04:00:00.000Z	27 \| good	5.399 \| good	22.994 \| good	26.004 \| good	0.503 \| good	8.304 \| good	0.287 \| good
2025-12-27T05:00:00.000Z	27 \| good	5.499 \| good	23.995 \| good	25.004 \| good	0.503 \| good	7.62 \| good	0.231 \| good
2025-12-27T06:00:00.000Z	33 \| good	5.799 \| good	24.996 \| good	25.005 \| good	0.501 \| good	7.527 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	33 \| good	5.799 \| good	24.994 \| good	23.006 \| good	0.504 \| good	7.684 \| good	0.216 \| good
2025-12-27T08:00:00.000Z	33 \| good	6.199 \| good	27.992 \| good	24.005 \| good	0.41 \| good	7.865 \| good	0.216 \| good
2025-12-27T09:00:00.000Z	27 \| good	4.599 \| good	19.995 \| good	27.003 \| good	0.543 \| good	5.997 \| good	0.182 \| good
2025-12-27T10:00:00.000Z	26 \| good	3.8 \| good	16.997 \| good	28.003 \| good	0.455 \| good	3.21 \| good	0.209 \| good
2025-12-27T11:00:00.000Z	26 \| good	3.5 \| good	15.997 \| good	28.003 \| good	0.433 \| good	3.248 \| good	0.182 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.5 \| good	15.995 \| good	27.004 \| good	0.431 \| good	2.851 \| good	0.182 \| good
2025-12-27T13:00:00.000Z	27 \| good	3.3 \| good	14.996 \| good	29.003 \| good	0.454 \| good	2.996 \| good	0.182 \| good
2025-12-27T14:00:00.000Z	27 \| good	3.5 \| good	15.996 \| good	29.003 \| good	0.453 \| good	2.553 \| good	0.251 \| good
2025-12-27T15:00:00.000Z	28 \| good	3.5 \| good	15.996 \| good	30.002 \| good	0.469 \| good	2.815 \| good	0.251 \| good
2025-12-27T16:00:00.000Z	29 \| good	3.899 \| good	16.995 \| good	31.002 \| good	0.47 \| good	2.922 \| good	0.216 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.899 \| good	16.995 \| good	30.002 \| good	0.47 \| good	3.421 \| good	0.242 \| good
2025-12-27T18:00:00.000Z	27 \| good	3.999 \| good	17.995 \| good	29.003 \| good	0.485 \| good	4.4 \| good	0.198 \| good
2025-12-27T19:00:00.000Z	28 \| good	3.999 \| good	17.995 \| good	30.003 \| good	0.486 \| good	4.693 \| good	0.198 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.999 \| good	17.995 \| good	33.001 \| good	0.469 \| good	5.014 \| good	0.198 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.9 \| good	16.996 \| good	33.001 \| good	0.437 \| good	3.674 \| good	0.24 \| good
2025-12-27T22:00:00.000Z	30 \| good	4.1 \| good	17.996 \| good	32.001 \| good	0.457 \| good	5.512 \| good	0.3 \| good
2025-12-27T23:00:00.000Z	33 \| good	6.498 \| good	28.99 \| good	27.002 \| good	0.489 \| good	6.265 \| good	0.307 \| good
2025-12-28T00:00:00.000Z	49 \| good	9.499 \| good	42.991 \| good	21.005 \| good	0.477 \| good	13.842 \| good	0.401 \| good
2025-12-28T01:00:00.000Z	54 \| moderate	10.599 \| good	46.992 \| good	17.006 \| good	0.458 \| good	18.203 \| good	0.528 \| good
2025-12-28T02:00:00.000Z	54 \| moderate	10.599 \| good	46.99 \| good	12.009 \| good	0.507 \| good	14.577 \| good	0.577 \| good
2025-12-28T03:00:00.000Z	64 \| moderate	16.402 \| fine	73.034 \| fine	14.34 \| good	0.348 \| good	6.185 \| good	0.198 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.597 \| fine	56.983 \| fine	3.014 \| good	0.488 \| good	10.811 \| good	0.439 \| good
2025-12-28T05:00:00.000Z	58 \| moderate	13.497 \| fine	60.982 \| fine	3.014 \| good	0.466 \| good	13.012 \| good	0.439 \| good
2025-12-28T06:00:00.000Z	64 \| moderate	15.697 \| fine	70.981 \| fine	1.016 \| good	0.471 \| good	14.479 \| good	0.376 \| good
2025-12-28T07:00:00.000Z	64 \| moderate	15.697 \| fine	70.981 \| fine	2.017 \| good	0.471 \| good	17.664 \| good	0.376 \| good
2025-12-28T08:00:00.000Z	64 \| moderate	16.097 \| fine	70.981 \| fine	3.016 \| good	0.474 \| good	18.201 \| good	0.352 \| good
2025-12-28T09:00:00.000Z	62 \| moderate	15.296 \| fine	68.98 \| fine	3.016 \| good	0.557 \| good	20.068 \| good	0.456 \| good
2025-12-28T10:00:00.000Z	60 \| moderate	14.096 \| fine	62.979 \| fine	3.016 \| good	0.625 \| good	22.04 \| good	0.439 \| good
2025-12-28T11:00:00.000Z	58 \| moderate	13.497 \| fine	60.982 \| fine	2.015 \| good	0.585 \| good	18.385 \| good	0.403 \| good
2025-12-28T12:00:00.000Z	58 \| moderate	13.097 \| fine	58.984 \| fine	2.016 \| good	0.605 \| good	20.707 \| good	0.394 \| good
2025-12-28T13:00:00.000Z	58 \| moderate	13.097 \| fine	58.983 \| fine	1.019 \| good	0.605 \| good	20.564 \| good	0.48 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.096 \| fine	58.981 \| fine	3.018 \| good	0.652 \| good	19.641 \| good	0.458 \| good
2025-12-28T15:00:00.000Z	58 \| moderate	12.996 \| fine	58.98 \| fine	4.017 \| good	0.542 \| good	12.382 \| good	0.318 \| good
2025-12-28T16:00:00.000Z	56 \| moderate	11.896 \| good	53.981 \| good	7.017 \| good	0.589 \| good	11.138 \| good	0.274 \| good
2025-12-28T17:00:00.000Z	52 \| moderate	9.597 \| good	42.987 \| good	15.012 \| good	0.555 \| good	7.782 \| good	0.241 \| good
2025-12-28T18:00:00.000Z	44 \| good	7.698 \| good	33.991 \| good	22.008 \| good	0.555 \| good	5.731 \| good	0.241 \| good
2025-12-28T19:00:00.000Z	33 \| good	6.499 \| good	28.995 \| good	25.007 \| good	0.526 \| good	7.862 \| good	0.276 \| good
2025-12-28T20:00:00.000Z	33 \| good	5.899 \| good	26.995 \| good	27.005 \| good	0.541 \| good	7.968 \| good	0.334 \| good
2025-12-28T21:00:00.000Z	33 \| good	5.899 \| good	26.995 \| good	27.005 \| good	0.541 \| good	7.968 \| good	0.334 \| good
2025-12-28T22:00:00.000Z	38 \| good	6.631 \| good	29.387 \| good	20.051 \| good	0.584 \| good	7.99 \| good	0.205 \| good
2025-12-28T23:00:00.000Z	44 \| good	7.78 \| good	34.036 \| good	20.229 \| good	0.619 \| good	9.506 \| good	0.223 \| good
2025-12-29T00:00:00.000Z	49 \| good	8.723 \| good	38.712 \| good	19.935 \| good	0.653 \| good	11.022 \| good	0.241 \| good
2025-12-29T01:00:00.000Z	49 \| good	9.032 \| good	39.69 \| good	19.13 \| good	0.845 \| good	11.033 \| good	0.238 \| good
2025-12-29T02:00:00.000Z	52 \| moderate	10.01 \| good	44.129 \| good	18.187 \| good	1.037 \| good	11.044 \| good	0.236 \| good
2025-12-29T03:00:00.000Z	58 \| moderate	13.154 \| fine	59.369 \| fine	19.323 \| good	1.23 \| good	11.056 \| good	0.233 \| good
2025-12-29T04:00:00.000Z	60 \| moderate	13.793 \| fine	61.797 \| fine	19.195 \| good	1.358 \| good	12.653 \| good	0.232 \| good
2025-12-29T05:00:00.000Z	64 \| moderate	16.384 \| fine	72.89 \| fine	15.747 \| good	1.486 \| good	14.251 \| good	0.232 \| good
2025-12-29T06:00:00.000Z	64 \| moderate	16.35 \| fine	72.739 \| fine	21.817 \| good	1.614 \| good	15.849 \| good	0.231 \| good
2025-12-29T07:00:00.000Z	60 \| moderate	13.757 \| fine	61.327 \| fine	24.715 \| good	1.257 \| good	13.038 \| good	0.212 \| good
2025-12-29T08:00:00.000Z	54 \| moderate	11.191 \| good	49.644 \| good	19.656 \| good	0.9 \| good	10.228 \| good	0.194 \| good
2025-12-29T09:00:00.000Z	44 \| good	7.958 \| good	34.971 \| good	16.637 \| good	0.543 \| good	7.417 \| good	0.175 \| good
2025-12-29T10:00:00.000Z	44 \| good	7.534 \| good	32.929 \| good	17.697 \| good	0.54 \| good	6.562 \| good	0.171 \| good
2025-12-29T11:00:00.000Z	33 \| good	6.147 \| good	27.012 \| good	19.907 \| good	0.538 \| good	5.706 \| good	0.167 \| good
2025-12-29T12:00:00.000Z	27 \| good	5.141 \| good	22.089 \| good	13.522 \| good	0.536 \| good	4.851 \| good	0.164 \| good
2025-12-29T13:00:00.000Z	22 \| good	4.107 \| good	18.148 \| good	16.246 \| good	0.641 \| good	5.087 \| good	0.169 \| good
2025-12-29T14:00:00.000Z	22 \| good	3.822 \| good	16.978 \| good	16.799 \| good	0.747 \| good	5.322 \| good	0.174 \| good
2025-12-29T15:00:00.000Z	27 \| good	4.972 \| good	21.394 \| good	17.407 \| good	0.853 \| good	5.558 \| good	0.179 \| good
2025-12-29T16:00:00.000Z	33 \| good	5.748 \| good	25.029 \| good	12.971 \| good	0.848 \| good	6.266 \| good	0.185 \| good
2025-12-29T17:00:00.000Z	33 \| good	5.547 \| good	23.795 \| good	10.291 \| good	0.843 \| good	6.974 \| good	0.191 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.193 \| good	22.405 \| good	11.896 \| good	0.838 \| good	7.682 \| good	0.197 \| good
2025-12-29T19:00:00.000Z	33 \| good	5.87 \| good	25.778 \| good	10.47 \| good	0.877 \| good	7.986 \| good	0.199 \| good
2025-12-29T20:00:00.000Z	27 \| good	5.321 \| good	22.769 \| good	18.17 \| good	0.916 \| good	8.29 \| good	0.202 \| good
2025-12-29T21:00:00.000Z	29 \| good	4.316 \| good	18.958 \| good	31.452 \| good	0.955 \| good	8.593 \| good	0.205 \| good
2025-12-29T22:00:00.000Z	31 \| good	4.142 \| good	18.326 \| good	32.741 \| good	0.808 \| good	6.499 \| good	0.194 \| good
2025-12-29T23:00:00.000Z	26 \| good	2.922 \| good	11.836 \| good	27.996 \| good	0.661 \| good	4.404 \| good	0.183 \| good
2025-12-30T00:00:00.000Z	25 \| good	0.787 \| good	2.945 \| good	26.566 \| good	0.514 \| good	2.309 \| good	0.173 \| good
2025-12-30T01:00:00.000Z	23 \| good	0.383 \| good	1.652 \| good	24.598 \| good	0.441 \| good	2.107 \| good	0.169 \| good
2025-12-30T02:00:00.000Z	22 \| good	0.224 \| good	0.69 \| good	23.74 \| good	0.369 \| good	1.905 \| good	0.166 \| good
2025-12-30T03:00:00.000Z	23 \| good	0.202 \| good	0.663 \| good	24.878 \| good	0.296 \| good	1.702 \| good	0.163 \| good
2025-12-30T04:00:00.000Z	26 \| good	0.118 \| good	0.073 \| good	27.852 \| good	0.282 \| good	1.487 \| good	0.156 \| good
2025-12-30T05:00:00.000Z	26 \| good	0.087 \| good	0 \| good	27.885 \| good	0.268 \| good	1.272 \| good	0.149 \| good
2025-12-30T06:00:00.000Z	29 \| good	0.068 \| good	0 \| good	31.245 \| good	0.255 \| good	1.057 \| good	0.141 \| good
2025-12-30T07:00:00.000Z	31 \| good	0.032 \| good	0 \| good	33.175 \| good	0.23 \| good	0.909 \| good	0.139 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.008 \| good	0 \| good	34.082 \| good	0.206 \| good	0.761 \| good	0.137 \| good
2025-12-30T09:00:00.000Z	33 \| good	0.126 \| good	0.117 \| good	35.545 \| good	0.182 \| good	0.614 \| good	0.135 \| good
2025-12-30T10:00:00.000Z	28 \| good	0.299 \| good	1 \| good	30.289 \| good	0.159 \| good	0.608 \| good	0.135 \| good
2025-12-30T11:00:00.000Z	27 \| good	0.27 \| good	1 \| good	28.746 \| good	0.136 \| good	0.603 \| good	0.135 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.231 \| good	1 \| good	30.768 \| good	0.113 \| good	0.597 \| good	0.135 \| good
2025-12-30T13:00:00.000Z	31 \| good	0.21 \| good	1 \| good	32.897 \| good	0.112 \| good	0.546 \| good	0.134 \| good
2025-12-30T14:00:00.000Z	31 \| good	0.21 \| good	1 \| good	33.972 \| good	0.11 \| good	0.494 \| good	0.133 \| good
2025-12-30T15:00:00.000Z	30 \| good	0.22 \| good	1 \| good	31.776 \| good	0.109 \| good	0.443 \| good	0.132 \| good
2025-12-30T16:00:00.000Z	28 \| good	0.231 \| good	1 \| good	29.578 \| good	0.108 \| good	0.434 \| good	0.131 \| good
2025-12-30T17:00:00.000Z	25 \| good	0.239 \| good	1 \| good	27.403 \| good	0.107 \| good	0.426 \| good	0.13 \| good
2025-12-30T18:00:00.000Z	25 \| good	0.246 \| good	0.96 \| good	27.244 \| good	0.107 \| good	0.417 \| good	0.13 \| good
2025-12-30T19:00:00.000Z	26 \| good	0.279 \| good	1 \| good	27.943 \| good	0.112 \| good	0.578 \| good	0.13 \| good
2025-12-30T20:00:00.000Z	27 \| good	0.3 \| good	1 \| good	29.076 \| good	0.118 \| good	0.739 \| good	0.13 \| good
2025-12-30T21:00:00.000Z	29 \| good	0.17 \| good	0.408 \| good	31 \| good	0.124 \| good	0.9 \| good	0.131 \| good

Keene

Empower business decisions with accurate air quality data

Keene, New Hampshire air quality map: Real-time AQI near you

0.30ppm

How accurate is New Hampshire, USA air quality data?

Air quality measurements for New Hampshire, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Keene, New Hampshire updated?

Air quality data for Keene, New Hampshire is updated on an hourly basis.

When did Keene, New Hampshire experience the worst air quality in the last 24 hours?

The worst air quality in Keene, New Hampshire was recorded at 08:00:00 on 2025-12-28.

When did Keene, New Hampshire have its best air quality in the last 24 hours?

The best air quality in Keene, New Hampshire was recorded at 10:00:00 on 2025-12-27.

What is the real-time air quality index for Keene, New Hampshire?

The real-time air quality index in Keene, New Hampshire is 33, currently categorized as Good.

Which pollutant is found most often in Keene, New Hampshire?

The most common pollutant in Keene, New Hampshire is PM2.5.

What can I do if the air quality in Keene, New Hampshire is poor?

If the air quality in Keene, New Hampshire is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Keene, New Hampshire?

The measured PM_2.5 levels in Keene, New Hampshire at present are 5.899 μg/m³.

What are the current PM₁₀ levels at Keene, New Hampshire?

The current PM₁₀ levels in Keene, New Hampshire are 26.995 μg/m³.

What are the current carbon monoxide (CO) levels at Keene, New Hampshire?

The current carbon monoxide (CO) level in Keene, New Hampshire is 0.334 ppm.

What are the current sulfur dioxide (SO₂) levels at Keene, New Hampshire?

The current sulfur dioxide (SO₂) levels in Keene, New Hampshire are 0.541 ppb.

What are the current ozone (O₃) levels at Keene, New Hampshire?

The current ozone (O₃) levels at Keene, New Hampshire is 27.005 ppm.

What are the current nitrogen dioxide (NO₂) levels at Keene, New Hampshire?

The current nitrogen dioxide (NO₂) levels at Keene, New Hampshire is 7.968 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	31 \| good	2.4 \| good	10 \| good	34.001 \| good	0.506 \| good	5.18 \| good	0.224 \| good
2025-12-26T23:00:00.000Z	31 \| good	2.9 \| good	11.999 \| good	34.001 \| good	0.48 \| good	7.941 \| good	0.343 \| good
2025-12-27T00:00:00.000Z	29 \| good	4 \| good	17.996 \| good	31.001 \| good	0.603 \| good	7.129 \| good	0.263 \| good
2025-12-27T01:00:00.000Z	27 \| good	4.799 \| good	20.994 \| good	29.004 \| good	0.511 \| good	6.238 \| good	0.331 \| good
2025-12-27T02:00:00.000Z	27 \| good	4.999 \| good	21.994 \| good	29.003 \| good	0.511 \| good	5.907 \| good	0.287 \| good
2025-12-27T03:00:00.000Z	27 \| good	4.8 \| good	20.995 \| good	26.004 \| good	0.487 \| good	9.615 \| good	0.269 \| good
2025-12-27T04:00:00.000Z	27 \| good	5.399 \| good	22.994 \| good	26.004 \| good	0.503 \| good	8.304 \| good	0.287 \| good
2025-12-27T05:00:00.000Z	27 \| good	5.499 \| good	23.995 \| good	25.004 \| good	0.503 \| good	7.62 \| good	0.231 \| good
2025-12-27T06:00:00.000Z	33 \| good	5.799 \| good	24.996 \| good	25.005 \| good	0.501 \| good	7.527 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	33 \| good	5.799 \| good	24.994 \| good	23.006 \| good	0.504 \| good	7.684 \| good	0.216 \| good
2025-12-27T08:00:00.000Z	33 \| good	6.199 \| good	27.992 \| good	24.005 \| good	0.41 \| good	7.865 \| good	0.216 \| good
2025-12-27T09:00:00.000Z	27 \| good	4.599 \| good	19.995 \| good	27.003 \| good	0.543 \| good	5.997 \| good	0.182 \| good
2025-12-27T10:00:00.000Z	26 \| good	3.8 \| good	16.997 \| good	28.003 \| good	0.455 \| good	3.21 \| good	0.209 \| good
2025-12-27T11:00:00.000Z	26 \| good	3.5 \| good	15.997 \| good	28.003 \| good	0.433 \| good	3.248 \| good	0.182 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.5 \| good	15.995 \| good	27.004 \| good	0.431 \| good	2.851 \| good	0.182 \| good
2025-12-27T13:00:00.000Z	27 \| good	3.3 \| good	14.996 \| good	29.003 \| good	0.454 \| good	2.996 \| good	0.182 \| good
2025-12-27T14:00:00.000Z	27 \| good	3.5 \| good	15.996 \| good	29.003 \| good	0.453 \| good	2.553 \| good	0.251 \| good
2025-12-27T15:00:00.000Z	28 \| good	3.5 \| good	15.996 \| good	30.002 \| good	0.469 \| good	2.815 \| good	0.251 \| good
2025-12-27T16:00:00.000Z	29 \| good	3.899 \| good	16.995 \| good	31.002 \| good	0.47 \| good	2.922 \| good	0.216 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.899 \| good	16.995 \| good	30.002 \| good	0.47 \| good	3.421 \| good	0.242 \| good
2025-12-27T18:00:00.000Z	27 \| good	3.999 \| good	17.995 \| good	29.003 \| good	0.485 \| good	4.4 \| good	0.198 \| good
2025-12-27T19:00:00.000Z	28 \| good	3.999 \| good	17.995 \| good	30.003 \| good	0.486 \| good	4.693 \| good	0.198 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.999 \| good	17.995 \| good	33.001 \| good	0.469 \| good	5.014 \| good	0.198 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.9 \| good	16.996 \| good	33.001 \| good	0.437 \| good	3.674 \| good	0.24 \| good
2025-12-27T22:00:00.000Z	30 \| good	4.1 \| good	17.996 \| good	32.001 \| good	0.457 \| good	5.512 \| good	0.3 \| good
2025-12-27T23:00:00.000Z	33 \| good	6.498 \| good	28.99 \| good	27.002 \| good	0.489 \| good	6.265 \| good	0.307 \| good
2025-12-28T00:00:00.000Z	49 \| good	9.499 \| good	42.991 \| good	21.005 \| good	0.477 \| good	13.842 \| good	0.401 \| good
2025-12-28T01:00:00.000Z	54 \| moderate	10.599 \| good	46.992 \| good	17.006 \| good	0.458 \| good	18.203 \| good	0.528 \| good
2025-12-28T02:00:00.000Z	54 \| moderate	10.599 \| good	46.99 \| good	12.009 \| good	0.507 \| good	14.577 \| good	0.577 \| good
2025-12-28T03:00:00.000Z	64 \| moderate	16.402 \| fine	73.034 \| fine	14.34 \| good	0.348 \| good	6.185 \| good	0.198 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.597 \| fine	56.983 \| fine	3.014 \| good	0.488 \| good	10.811 \| good	0.439 \| good
2025-12-28T05:00:00.000Z	58 \| moderate	13.497 \| fine	60.982 \| fine	3.014 \| good	0.466 \| good	13.012 \| good	0.439 \| good
2025-12-28T06:00:00.000Z	64 \| moderate	15.697 \| fine	70.981 \| fine	1.016 \| good	0.471 \| good	14.479 \| good	0.376 \| good
2025-12-28T07:00:00.000Z	64 \| moderate	15.697 \| fine	70.981 \| fine	2.017 \| good	0.471 \| good	17.664 \| good	0.376 \| good
2025-12-28T08:00:00.000Z	64 \| moderate	16.097 \| fine	70.981 \| fine	3.016 \| good	0.474 \| good	18.201 \| good	0.352 \| good
2025-12-28T09:00:00.000Z	62 \| moderate	15.296 \| fine	68.98 \| fine	3.016 \| good	0.557 \| good	20.068 \| good	0.456 \| good
2025-12-28T10:00:00.000Z	60 \| moderate	14.096 \| fine	62.979 \| fine	3.016 \| good	0.625 \| good	22.04 \| good	0.439 \| good
2025-12-28T11:00:00.000Z	58 \| moderate	13.497 \| fine	60.982 \| fine	2.015 \| good	0.585 \| good	18.385 \| good	0.403 \| good
2025-12-28T12:00:00.000Z	58 \| moderate	13.097 \| fine	58.984 \| fine	2.016 \| good	0.605 \| good	20.707 \| good	0.394 \| good
2025-12-28T13:00:00.000Z	58 \| moderate	13.097 \| fine	58.983 \| fine	1.019 \| good	0.605 \| good	20.564 \| good	0.48 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.096 \| fine	58.981 \| fine	3.018 \| good	0.652 \| good	19.641 \| good	0.458 \| good
2025-12-28T15:00:00.000Z	58 \| moderate	12.996 \| fine	58.98 \| fine	4.017 \| good	0.542 \| good	12.382 \| good	0.318 \| good
2025-12-28T16:00:00.000Z	56 \| moderate	11.896 \| good	53.981 \| good	7.017 \| good	0.589 \| good	11.138 \| good	0.274 \| good
2025-12-28T17:00:00.000Z	52 \| moderate	9.597 \| good	42.987 \| good	15.012 \| good	0.555 \| good	7.782 \| good	0.241 \| good
2025-12-28T18:00:00.000Z	44 \| good	7.698 \| good	33.991 \| good	22.008 \| good	0.555 \| good	5.731 \| good	0.241 \| good
2025-12-28T19:00:00.000Z	33 \| good	6.499 \| good	28.995 \| good	25.007 \| good	0.526 \| good	7.862 \| good	0.276 \| good
2025-12-28T20:00:00.000Z	33 \| good	5.899 \| good	26.995 \| good	27.005 \| good	0.541 \| good	7.968 \| good	0.334 \| good
2025-12-28T21:00:00.000Z	33 \| good	5.899 \| good	26.995 \| good	27.005 \| good	0.541 \| good	7.968 \| good	0.334 \| good
2025-12-28T22:00:00.000Z	38 \| good	6.631 \| good	29.387 \| good	20.051 \| good	0.584 \| good	7.99 \| good	0.205 \| good
2025-12-28T23:00:00.000Z	44 \| good	7.78 \| good	34.036 \| good	20.229 \| good	0.619 \| good	9.506 \| good	0.223 \| good
2025-12-29T00:00:00.000Z	49 \| good	8.723 \| good	38.712 \| good	19.935 \| good	0.653 \| good	11.022 \| good	0.241 \| good
2025-12-29T01:00:00.000Z	49 \| good	9.032 \| good	39.69 \| good	19.13 \| good	0.845 \| good	11.033 \| good	0.238 \| good
2025-12-29T02:00:00.000Z	52 \| moderate	10.01 \| good	44.129 \| good	18.187 \| good	1.037 \| good	11.044 \| good	0.236 \| good
2025-12-29T03:00:00.000Z	58 \| moderate	13.154 \| fine	59.369 \| fine	19.323 \| good	1.23 \| good	11.056 \| good	0.233 \| good
2025-12-29T04:00:00.000Z	60 \| moderate	13.793 \| fine	61.797 \| fine	19.195 \| good	1.358 \| good	12.653 \| good	0.232 \| good
2025-12-29T05:00:00.000Z	64 \| moderate	16.384 \| fine	72.89 \| fine	15.747 \| good	1.486 \| good	14.251 \| good	0.232 \| good
2025-12-29T06:00:00.000Z	64 \| moderate	16.35 \| fine	72.739 \| fine	21.817 \| good	1.614 \| good	15.849 \| good	0.231 \| good
2025-12-29T07:00:00.000Z	60 \| moderate	13.757 \| fine	61.327 \| fine	24.715 \| good	1.257 \| good	13.038 \| good	0.212 \| good
2025-12-29T08:00:00.000Z	54 \| moderate	11.191 \| good	49.644 \| good	19.656 \| good	0.9 \| good	10.228 \| good	0.194 \| good
2025-12-29T09:00:00.000Z	44 \| good	7.958 \| good	34.971 \| good	16.637 \| good	0.543 \| good	7.417 \| good	0.175 \| good
2025-12-29T10:00:00.000Z	44 \| good	7.534 \| good	32.929 \| good	17.697 \| good	0.54 \| good	6.562 \| good	0.171 \| good
2025-12-29T11:00:00.000Z	33 \| good	6.147 \| good	27.012 \| good	19.907 \| good	0.538 \| good	5.706 \| good	0.167 \| good
2025-12-29T12:00:00.000Z	27 \| good	5.141 \| good	22.089 \| good	13.522 \| good	0.536 \| good	4.851 \| good	0.164 \| good
2025-12-29T13:00:00.000Z	22 \| good	4.107 \| good	18.148 \| good	16.246 \| good	0.641 \| good	5.087 \| good	0.169 \| good
2025-12-29T14:00:00.000Z	22 \| good	3.822 \| good	16.978 \| good	16.799 \| good	0.747 \| good	5.322 \| good	0.174 \| good
2025-12-29T15:00:00.000Z	27 \| good	4.972 \| good	21.394 \| good	17.407 \| good	0.853 \| good	5.558 \| good	0.179 \| good
2025-12-29T16:00:00.000Z	33 \| good	5.748 \| good	25.029 \| good	12.971 \| good	0.848 \| good	6.266 \| good	0.185 \| good
2025-12-29T17:00:00.000Z	33 \| good	5.547 \| good	23.795 \| good	10.291 \| good	0.843 \| good	6.974 \| good	0.191 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.193 \| good	22.405 \| good	11.896 \| good	0.838 \| good	7.682 \| good	0.197 \| good
2025-12-29T19:00:00.000Z	33 \| good	5.87 \| good	25.778 \| good	10.47 \| good	0.877 \| good	7.986 \| good	0.199 \| good
2025-12-29T20:00:00.000Z	27 \| good	5.321 \| good	22.769 \| good	18.17 \| good	0.916 \| good	8.29 \| good	0.202 \| good
2025-12-29T21:00:00.000Z	29 \| good	4.316 \| good	18.958 \| good	31.452 \| good	0.955 \| good	8.593 \| good	0.205 \| good
2025-12-29T22:00:00.000Z	31 \| good	4.142 \| good	18.326 \| good	32.741 \| good	0.808 \| good	6.499 \| good	0.194 \| good
2025-12-29T23:00:00.000Z	26 \| good	2.922 \| good	11.836 \| good	27.996 \| good	0.661 \| good	4.404 \| good	0.183 \| good
2025-12-30T00:00:00.000Z	25 \| good	0.787 \| good	2.945 \| good	26.566 \| good	0.514 \| good	2.309 \| good	0.173 \| good
2025-12-30T01:00:00.000Z	23 \| good	0.383 \| good	1.652 \| good	24.598 \| good	0.441 \| good	2.107 \| good	0.169 \| good
2025-12-30T02:00:00.000Z	22 \| good	0.224 \| good	0.69 \| good	23.74 \| good	0.369 \| good	1.905 \| good	0.166 \| good
2025-12-30T03:00:00.000Z	23 \| good	0.202 \| good	0.663 \| good	24.878 \| good	0.296 \| good	1.702 \| good	0.163 \| good
2025-12-30T04:00:00.000Z	26 \| good	0.118 \| good	0.073 \| good	27.852 \| good	0.282 \| good	1.487 \| good	0.156 \| good
2025-12-30T05:00:00.000Z	26 \| good	0.087 \| good	0 \| good	27.885 \| good	0.268 \| good	1.272 \| good	0.149 \| good
2025-12-30T06:00:00.000Z	29 \| good	0.068 \| good	0 \| good	31.245 \| good	0.255 \| good	1.057 \| good	0.141 \| good
2025-12-30T07:00:00.000Z	31 \| good	0.032 \| good	0 \| good	33.175 \| good	0.23 \| good	0.909 \| good	0.139 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.008 \| good	0 \| good	34.082 \| good	0.206 \| good	0.761 \| good	0.137 \| good
2025-12-30T09:00:00.000Z	33 \| good	0.126 \| good	0.117 \| good	35.545 \| good	0.182 \| good	0.614 \| good	0.135 \| good
2025-12-30T10:00:00.000Z	28 \| good	0.299 \| good	1 \| good	30.289 \| good	0.159 \| good	0.608 \| good	0.135 \| good
2025-12-30T11:00:00.000Z	27 \| good	0.27 \| good	1 \| good	28.746 \| good	0.136 \| good	0.603 \| good	0.135 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.231 \| good	1 \| good	30.768 \| good	0.113 \| good	0.597 \| good	0.135 \| good
2025-12-30T13:00:00.000Z	31 \| good	0.21 \| good	1 \| good	32.897 \| good	0.112 \| good	0.546 \| good	0.134 \| good
2025-12-30T14:00:00.000Z	31 \| good	0.21 \| good	1 \| good	33.972 \| good	0.11 \| good	0.494 \| good	0.133 \| good
2025-12-30T15:00:00.000Z	30 \| good	0.22 \| good	1 \| good	31.776 \| good	0.109 \| good	0.443 \| good	0.132 \| good
2025-12-30T16:00:00.000Z	28 \| good	0.231 \| good	1 \| good	29.578 \| good	0.108 \| good	0.434 \| good	0.131 \| good
2025-12-30T17:00:00.000Z	25 \| good	0.239 \| good	1 \| good	27.403 \| good	0.107 \| good	0.426 \| good	0.13 \| good
2025-12-30T18:00:00.000Z	25 \| good	0.246 \| good	0.96 \| good	27.244 \| good	0.107 \| good	0.417 \| good	0.13 \| good
2025-12-30T19:00:00.000Z	26 \| good	0.279 \| good	1 \| good	27.943 \| good	0.112 \| good	0.578 \| good	0.13 \| good
2025-12-30T20:00:00.000Z	27 \| good	0.3 \| good	1 \| good	29.076 \| good	0.118 \| good	0.739 \| good	0.13 \| good
2025-12-30T21:00:00.000Z	29 \| good	0.17 \| good	0.408 \| good	31 \| good	0.124 \| good	0.9 \| good	0.131 \| good

Real-time air quality index in Keene, New Hampshire today

Common air pollutants in Keene, New Hampshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Keene, New Hampshire air quality forecast and history

Empower business decisions with accurate air quality data

Keene, New Hampshire air quality map: Real-time AQI near you

Air quality in nearby cities

Brattleboro, Vermont

Winchendon, Massachusetts

Athol, Massachusetts

Gardner, Massachusetts

Greenfield, Massachusetts

Claremont, New Hampshire

How accurate is New Hampshire, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Keene, New Hampshire updated?

When did Keene, New Hampshire experience the worst air quality in the last 24 hours?

When did Keene, New Hampshire have its best air quality in the last 24 hours?

What is the real-time air quality index for Keene, New Hampshire?

Which pollutant is found most often in Keene, New Hampshire?

What can I do if the air quality in Keene, New Hampshire is poor?

What are the current PM2.5 levels in Keene, New Hampshire?

What are the current PM10 levels at Keene, New Hampshire?

What are the current carbon monoxide (CO) levels at Keene, New Hampshire?

What are the current sulfur dioxide (SO2) levels at Keene, New Hampshire?

What are the current ozone (O3) levels at Keene, New Hampshire?

What are the current nitrogen dioxide (NO2) levels at Keene, New Hampshire?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Keene, New Hampshire?

What are the current PM₁₀ levels at Keene, New Hampshire?

What are the current sulfur dioxide (SO₂) levels at Keene, New Hampshire?

What are the current ozone (O₃) levels at Keene, New Hampshire?

What are the current nitrogen dioxide (NO₂) levels at Keene, New Hampshire?