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

The current PM10 levels in Keene, New Hampshire are 15.997 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 0.356 ppb.

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

The current ozone (O3) levels at Keene, New Hampshire is 44.001 ppm.

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

The current nitrogen dioxide (NO2) levels at Keene, New Hampshire is 2.706 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 3.6 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)

3.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.00 μg/m³

155

255

425

605+

Ozone (O₃)

44.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

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
2026-03-27T23:00:00.000Z	40 \| good	3.2 \| good	13.998 \| good	43.001 \| good	0.258 \| good	1.365 \| good	0.176 \| good
2026-03-28T00:00:00.000Z	40 \| good	3.4 \| good	14.998 \| good	43.001 \| good	0.242 \| good	2.07 \| good	0.211 \| good
2026-03-28T01:00:00.000Z	40 \| good	3.5 \| good	15.998 \| good	43.001 \| good	0.279 \| good	3.084 \| good	0.184 \| good
2026-03-28T02:00:00.000Z	36 \| good	3.9 \| good	16.999 \| good	39.002 \| good	0.273 \| good	6.987 \| good	0.184 \| good
2026-03-28T03:00:00.000Z	32 \| good	4.301 \| good	19.002 \| good	35.004 \| good	0.258 \| good	6.087 \| good	0.226 \| good
2026-03-28T04:00:00.000Z	32 \| good	4.601 \| good	20 \| good	35.004 \| good	0.257 \| good	5.253 \| good	0.258 \| good
2026-03-28T05:00:00.000Z	30 \| good	4.5 \| good	19.998 \| good	32.005 \| good	0.344 \| good	4.56 \| good	0.226 \| good
2026-03-28T06:00:00.000Z	32 \| good	4.5 \| good	19.997 \| good	35.003 \| good	0.343 \| good	4.436 \| good	0.226 \| good
2026-03-28T07:00:00.000Z	33 \| good	4.3 \| good	18.997 \| good	36.003 \| good	0.32 \| good	4.437 \| good	0.184 \| good
2026-03-28T08:00:00.000Z	31 \| good	4.2 \| good	18.996 \| good	34.003 \| good	0.32 \| good	3.005 \| good	0.184 \| good
2026-03-28T09:00:00.000Z	32 \| good	4.2 \| good	18.996 \| good	35.001 \| good	0.289 \| good	2.646 \| good	0.169 \| good
2026-03-28T10:00:00.000Z	28 \| good	4.3 \| good	18.996 \| good	30.005 \| good	0.31 \| good	3.31 \| good	0.166 \| good
2026-03-28T11:00:00.000Z	28 \| good	4.3 \| good	18.996 \| good	30.005 \| good	0.352 \| good	2.805 \| good	0.187 \| good
2026-03-28T12:00:00.000Z	25 \| good	4.4 \| good	18.997 \| good	27.006 \| good	0.318 \| good	2.495 \| good	0.219 \| good
2026-03-28T13:00:00.000Z	26 \| good	4.4 \| good	18.996 \| good	28.006 \| good	0.319 \| good	2.487 \| good	0.219 \| good
2026-03-28T14:00:00.000Z	29 \| good	4.6 \| good	19.996 \| good	31.004 \| good	0.352 \| good	1.268 \| good	0.187 \| good
2026-03-28T15:00:00.000Z	31 \| good	4.5 \| good	19.996 \| good	33.003 \| good	0.334 \| good	1.709 \| good	0.175 \| good
2026-03-28T16:00:00.000Z	33 \| good	4.4 \| good	18.996 \| good	36.001 \| good	0.336 \| good	1.264 \| good	0.175 \| good
2026-03-28T17:00:00.000Z	33 \| good	4.3 \| good	18.996 \| good	36.002 \| good	0.352 \| good	1.17 \| good	0.187 \| good
2026-03-28T18:00:00.000Z	36 \| good	4.3 \| good	18.996 \| good	39.001 \| good	0.352 \| good	1.342 \| good	0.2 \| good
2026-03-28T19:00:00.000Z	36 \| good	4 \| good	17.996 \| good	39.001 \| good	0.352 \| good	1.296 \| good	0.2 \| good
2026-03-28T20:00:00.000Z	36 \| good	3.9 \| good	16.997 \| good	39.002 \| good	0.304 \| good	1.277 \| good	0.2 \| good
2026-03-28T21:00:00.000Z	36 \| good	3.9 \| good	16.996 \| good	39.002 \| good	0.304 \| good	1.277 \| good	0.2 \| good
2026-03-28T22:00:00.000Z	35 \| good	3.8 \| good	16.996 \| good	38.002 \| good	0.357 \| good	1.745 \| good	0.187 \| good
2026-03-28T23:00:00.000Z	33 \| good	3.7 \| good	15.996 \| good	36.003 \| good	0.288 \| good	2.065 \| good	0.211 \| good
2026-03-29T00:00:00.000Z	33 \| good	3.7 \| good	15.996 \| good	36.003 \| good	0.321 \| good	2.21 \| good	0.211 \| good
2026-03-29T01:00:00.000Z	32 \| good	3.7 \| good	15.996 \| good	35.004 \| good	0.304 \| good	2.446 \| good	0.223 \| good
2026-03-29T02:00:00.000Z	33 \| good	3.7 \| good	15.996 \| good	36.003 \| good	0.322 \| good	2.254 \| good	0.211 \| good
2026-03-29T03:00:00.000Z	34 \| good	2.984 \| good	12 \| good	36.839 \| good	0.211 \| good	1.045 \| good	0.189 \| good
2026-03-29T04:00:00.000Z	36 \| good	3.7 \| good	15.996 \| good	39.002 \| good	0.392 \| good	1.897 \| good	0.211 \| good
2026-03-29T05:00:00.000Z	35 \| good	3.6 \| good	15.997 \| good	38.002 \| good	0.373 \| good	3.944 \| good	0.211 \| good
2026-03-29T06:00:00.000Z	33 \| good	3.6 \| good	15.997 \| good	36.002 \| good	0.359 \| good	3.476 \| good	0.211 \| good
2026-03-29T07:00:00.000Z	30 \| good	4 \| good	17.996 \| good	32.004 \| good	0.359 \| good	2.894 \| good	0.213 \| good
2026-03-29T08:00:00.000Z	27 \| good	4.1 \| good	17.996 \| good	29.005 \| good	0.373 \| good	7.022 \| good	0.238 \| good
2026-03-29T09:00:00.000Z	26 \| good	4.1 \| good	17.995 \| good	28.005 \| good	0.359 \| good	6.995 \| good	0.238 \| good
2026-03-29T10:00:00.000Z	24 \| good	4.2 \| good	18.995 \| good	26.004 \| good	0.421 \| good	5.434 \| good	0.207 \| good
2026-03-29T11:00:00.000Z	24 \| good	3.9 \| good	16.998 \| good	26.004 \| good	0.422 \| good	6.651 \| good	0.207 \| good
2026-03-29T12:00:00.000Z	28 \| good	4.2 \| good	18.997 \| good	30 \| good	0.408 \| good	10.42 \| good	0.231 \| good
2026-03-29T13:00:00.000Z	26 \| good	4.2 \| good	18.996 \| good	28.002 \| good	0.406 \| good	10.73 \| good	0.24 \| good
2026-03-29T14:00:00.000Z	31 \| good	4.4 \| good	18.996 \| good	33 \| good	0.376 \| good	2.934 \| good	0.213 \| good
2026-03-29T15:00:00.000Z	31 \| good	4.4 \| good	18.996 \| good	34 \| good	0.431 \| good	1.855 \| good	0.213 \| good
2026-03-29T16:00:00.000Z	33 \| good	4.4 \| good	18.996 \| good	36 \| good	0.357 \| good	1.29 \| good	0.2 \| good
2026-03-29T17:00:00.000Z	35 \| good	4.3 \| good	18.996 \| good	38.002 \| good	0.373 \| good	1.487 \| good	0.213 \| good
2026-03-29T18:00:00.000Z	38 \| good	4.3 \| good	18.994 \| good	41.001 \| good	0.326 \| good	1.678 \| good	0.175 \| good
2026-03-29T19:00:00.000Z	39 \| good	4.1 \| good	17.996 \| good	42.001 \| good	0.332 \| good	1.53 \| good	0.175 \| good
2026-03-29T20:00:00.000Z	42 \| good	3.9 \| good	16.996 \| good	45 \| good	0.356 \| good	2.505 \| good	0.175 \| good
2026-03-29T21:00:00.000Z	41 \| good	3.6 \| good	15.997 \| good	44.001 \| good	0.356 \| good	2.706 \| good	0.213 \| good
2026-03-29T22:00:00.000Z	41 \| good	3.6 \| good	15.997 \| good	44.001 \| good	0.356 \| good	2.706 \| good	0.213 \| good
2026-03-29T23:00:00.000Z	31 \| good	3.32 \| good	14.294 \| good	32.783 \| good	1.406 \| good	3.609 \| good	0.162 \| good
2026-03-30T00:00:00.000Z	23 \| good	3.184 \| good	13.791 \| good	25.48 \| good	1.708 \| good	4.782 \| good	0.175 \| good
2026-03-30T01:00:00.000Z	27 \| good	4.726 \| good	20.553 \| good	24.659 \| good	1.843 \| good	5.17 \| good	0.183 \| good
2026-03-30T02:00:00.000Z	44 \| good	8.256 \| good	36.342 \| good	19.914 \| good	1.979 \| good	5.557 \| good	0.191 \| good
2026-03-30T03:00:00.000Z	58 \| moderate	13.133 \| fine	59.466 \| fine	24.314 \| good	2.114 \| good	5.945 \| good	0.199 \| good
2026-03-30T04:00:00.000Z	60 \| moderate	13.739 \| fine	61.554 \| fine	27.661 \| good	2.061 \| good	5.722 \| good	0.201 \| good
2026-03-30T05:00:00.000Z	58 \| moderate	12.562 \| fine	56.484 \| fine	28.001 \| good	2.008 \| good	5.498 \| good	0.202 \| good
2026-03-30T06:00:00.000Z	56 \| moderate	12.282 \| fine	55.216 \| fine	24.362 \| good	1.955 \| good	5.275 \| good	0.203 \| good
2026-03-30T07:00:00.000Z	44 \| good	8.439 \| good	36.94 \| good	23.996 \| good	1.833 \| good	4.759 \| good	0.195 \| good
2026-03-30T08:00:00.000Z	33 \| good	6.129 \| good	26.997 \| good	20.983 \| good	1.711 \| good	4.242 \| good	0.186 \| good
2026-03-30T09:00:00.000Z	19 \| good	2.874 \| good	12.201 \| good	20.742 \| good	1.59 \| good	3.726 \| good	0.177 \| good
2026-03-30T10:00:00.000Z	38 \| good	7.492 \| good	33.212 \| good	8.109 \| good	1.539 \| good	3.946 \| good	0.176 \| good
2026-03-30T11:00:00.000Z	49 \| good	8.783 \| good	39.056 \| good	7.251 \| good	1.489 \| good	4.166 \| good	0.176 \| good
2026-03-30T12:00:00.000Z	54 \| moderate	10.98 \| good	48.493 \| good	15.864 \| good	1.439 \| good	4.386 \| good	0.175 \| good
2026-03-30T13:00:00.000Z	56 \| moderate	11.84 \| good	52.871 \| good	22.166 \| good	1.531 \| good	3.805 \| good	0.176 \| good
2026-03-30T14:00:00.000Z	60 \| moderate	13.577 \| fine	60.71 \| fine	31.524 \| good	1.624 \| good	3.223 \| good	0.177 \| good
2026-03-30T15:00:00.000Z	38 \| good	7.466 \| good	32.831 \| good	31.725 \| good	1.717 \| good	2.642 \| good	0.177 \| good
2026-03-30T16:00:00.000Z	44 \| good	8.464 \| good	37 \| good	37.892 \| good	1.734 \| good	2.161 \| good	0.171 \| good
2026-03-30T17:00:00.000Z	44 \| good	8.138 \| good	35.567 \| good	36.652 \| good	1.75 \| good	1.68 \| good	0.164 \| good
2026-03-30T18:00:00.000Z	44 \| good	8.488 \| good	37.033 \| good	40.184 \| good	1.767 \| good	1.199 \| good	0.157 \| good
2026-03-30T19:00:00.000Z	44 \| good	8.027 \| good	35.071 \| good	41.602 \| good	1.542 \| good	1.092 \| good	0.153 \| good
2026-03-30T20:00:00.000Z	39 \| good	7.129 \| good	31.698 \| good	42.147 \| good	1.317 \| good	0.985 \| good	0.15 \| good
2026-03-30T21:00:00.000Z	41 \| good	7.201 \| good	31.927 \| good	43.596 \| good	1.091 \| good	0.878 \| good	0.146 \| good
2026-03-30T22:00:00.000Z	49 \| good	8.977 \| good	39.567 \| good	42.929 \| good	1.083 \| good	1.607 \| good	0.153 \| good
2026-03-30T23:00:00.000Z	49 \| good	8.793 \| good	38.769 \| good	37.692 \| good	1.075 \| good	2.335 \| good	0.16 \| good
2026-03-31T00:00:00.000Z	44 \| good	7.82 \| good	34.124 \| good	28.278 \| good	1.066 \| good	3.064 \| good	0.167 \| good
2026-03-31T01:00:00.000Z	44 \| good	7.693 \| good	33.804 \| good	25.055 \| good	1.184 \| good	3.569 \| good	0.175 \| good
2026-03-31T02:00:00.000Z	49 \| good	8.658 \| good	37.809 \| good	29.908 \| good	1.303 \| good	4.073 \| good	0.183 \| good
2026-03-31T03:00:00.000Z	52 \| moderate	9.762 \| good	43.434 \| good	28.175 \| good	1.421 \| good	4.578 \| good	0.19 \| good
2026-03-31T04:00:00.000Z	33 \| good	6.155 \| good	27.335 \| good	28.352 \| good	1.509 \| good	4.317 \| good	0.191 \| good
2026-03-31T05:00:00.000Z	33 \| good	5.872 \| good	25.76 \| good	26.188 \| good	1.597 \| good	4.056 \| good	0.191 \| good
2026-03-31T06:00:00.000Z	62 \| moderate	14.908 \| fine	16.831 \| good	38.711 \| good	1.691 \| good	3.803 \| good	0.191 \| good
2026-03-31T07:00:00.000Z	52 \| moderate	10.104 \| good	44.771 \| good	18.582 \| good	1.679 \| good	3.68 \| good	0.191 \| good
2026-03-31T08:00:00.000Z	44 \| good	8.46 \| good	36.948 \| good	14.608 \| good	1.672 \| good	3.564 \| good	0.192 \| good
2026-03-31T09:00:00.000Z	44 \| good	7.796 \| good	34.071 \| good	13.542 \| good	1.666 \| good	3.449 \| good	0.192 \| good
2026-03-31T10:00:00.000Z	33 \| good	6.297 \| good	28.174 \| good	17.97 \| good	1.621 \| good	3.99 \| good	0.196 \| good
2026-03-31T11:00:00.000Z	49 \| good	9.226 \| good	41.104 \| good	12.239 \| good	1.576 \| good	4.532 \| good	0.2 \| good
2026-03-31T12:00:00.000Z	66 \| moderate	17.266 \| fine	18.081 \| good	31.657 \| good	1.533 \| good	5.076 \| good	0.204 \| good
2026-03-31T13:00:00.000Z	66 \| moderate	17.215 \| fine	17.998 \| good	32.031 \| good	1.452 \| good	4.961 \| good	0.204 \| good
2026-03-31T14:00:00.000Z	64 \| moderate	15.841 \| fine	16.537 \| good	32.406 \| good	1.372 \| good	4.847 \| good	0.205 \| good
2026-03-31T15:00:00.000Z	60 \| moderate	13.618 \| fine	14.205 \| good	32.78 \| good	1.292 \| good	4.732 \| good	0.205 \| good
2026-03-31T16:00:00.000Z	56 \| moderate	12.375 \| fine	12.81 \| good	34.859 \| good	1.164 \| good	4.109 \| good	0.198 \| good
2026-03-31T17:00:00.000Z	49 \| good	9.067 \| good	39.97 \| good	30.165 \| good	1.034 \| good	3.479 \| good	0.192 \| good
2026-03-31T18:00:00.000Z	49 \| good	8.644 \| good	8.816 \| good	39.018 \| good	0.908 \| good	2.864 \| good	0.186 \| good
2026-03-31T19:00:00.000Z	38 \| good	6.673 \| good	6.8 \| good	38.501 \| good	0.844 \| good	3.108 \| good	0.189 \| good
2026-03-31T20:00:00.000Z	38 \| good	6.652 \| good	6.79 \| good	37.984 \| good	0.779 \| good	3.352 \| good	0.193 \| good
2026-03-31T21:00:00.000Z	38 \| good	6.512 \| good	6.649 \| good	37.467 \| good	0.715 \| good	3.596 \| good	0.196 \| good
2026-03-31T22:00:00.000Z	38 \| good	6.622 \| good	6.736 \| good	35.898 \| good	0.734 \| good	4.445 \| good	0.205 \| good

Keene

Empower business decisions with accurate air quality data

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

0.20ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 2026-03-29.

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 11:00:00 on 2026-03-29.

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

The real-time air quality index in Keene, New Hampshire is 41, currently categorized as Good.

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

The most common pollutant in Keene, New Hampshire is O3.

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 3.6 μg/m³.

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

The current PM₁₀ levels in Keene, New Hampshire are 15.997 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 0.213 ppm.

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

The current sulfur dioxide (SO₂) levels in Keene, New Hampshire are 0.356 ppb.

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

The current ozone (O₃) levels at Keene, New Hampshire is 44.001 ppm.

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

The current nitrogen dioxide (NO₂) levels at Keene, New Hampshire is 2.706 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions