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

The current PM10 levels in Keene, New Hampshire are 9.999 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 0.533 ppb.

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

The current ozone (O3) levels at Keene, New Hampshire is 26.003 ppm.

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

The current nitrogen dioxide (NO2) levels at Keene, New Hampshire is 3.123 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 2.4 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)

2.40 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.00 μg/m³

155

255

425

605+

Ozone (O₃)

26.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.12 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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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
2026-02-10T02:00:00.000Z	33 \| good	3.601 \| good	16.002 \| good	36 \| good	0.618 \| good	3.097 \| good	0.205 \| good
2026-02-10T03:00:00.000Z	31 \| good	4.5 \| good	19.999 \| good	34 \| good	0.617 \| good	5.32 \| good	0.205 \| good
2026-02-10T04:00:00.000Z	31 \| good	4.301 \| good	19.001 \| good	34 \| good	0.567 \| good	6.76 \| good	0.207 \| good
2026-02-10T05:00:00.000Z	31 \| good	4.102 \| good	18.004 \| good	33.999 \| good	0.583 \| good	8.777 \| good	0.231 \| good
2026-02-10T06:00:00.000Z	30 \| good	4.301 \| good	19.002 \| good	32 \| good	0.599 \| good	11.225 \| good	0.194 \| good
2026-02-10T07:00:00.000Z	26 \| good	4.301 \| good	19 \| good	28.002 \| good	0.6 \| good	11.85 \| good	0.194 \| good
2026-02-10T08:00:00.000Z	27 \| good	4.8 \| good	20.998 \| good	26.003 \| good	0.652 \| good	16.921 \| good	0.181 \| good
2026-02-10T09:00:00.000Z	33 \| good	6.1 \| good	26.995 \| good	26.002 \| good	0.687 \| good	15.923 \| good	0.225 \| good
2026-02-10T10:00:00.000Z	27 \| good	5.5 \| good	23.996 \| good	23.005 \| good	0.624 \| good	17.341 \| good	0.217 \| good
2026-02-10T11:00:00.000Z	27 \| good	4.8 \| good	20.999 \| good	24.004 \| good	0.607 \| good	16.62 \| good	0.246 \| good
2026-02-10T12:00:00.000Z	27 \| good	4.701 \| good	21 \| good	24.004 \| good	0.64 \| good	20.381 \| good	0.301 \| good
2026-02-10T13:00:00.000Z	27 \| good	4.7 \| good	20.999 \| good	28.003 \| good	0.641 \| good	16.139 \| good	0.301 \| good
2026-02-10T14:00:00.000Z	38 \| good	7 \| good	30.997 \| good	25.003 \| good	0.819 \| good	16.678 \| good	0.341 \| good
2026-02-10T15:00:00.000Z	38 \| good	7.099 \| good	31.993 \| good	30.002 \| good	0.7 \| good	13.799 \| good	0.281 \| good
2026-02-10T16:00:00.000Z	38 \| good	6.899 \| good	30.991 \| good	30.004 \| good	0.69 \| good	10.076 \| good	0.353 \| good
2026-02-10T17:00:00.000Z	38 \| good	7.298 \| good	31.99 \| good	31.004 \| good	0.672 \| good	6.713 \| good	0.314 \| good
2026-02-10T18:00:00.000Z	38 \| good	6.599 \| good	29.99 \| good	32.004 \| good	0.667 \| good	7.722 \| good	0.257 \| good
2026-02-10T19:00:00.000Z	33 \| good	5.599 \| good	23.994 \| good	34.003 \| good	0.562 \| good	6.811 \| good	0.259 \| good
2026-02-10T20:00:00.000Z	33 \| good	5.1 \| good	21.995 \| good	36.002 \| good	0.561 \| good	6.356 \| good	0.351 \| good
2026-02-10T21:00:00.000Z	33 \| good	5 \| good	21.996 \| good	36.002 \| good	0.546 \| good	5.314 \| good	0.338 \| good
2026-02-10T22:00:00.000Z	32 \| good	4.9 \| good	20.997 \| good	35.003 \| good	0.542 \| good	8.451 \| good	0.375 \| good
2026-02-10T23:00:00.000Z	35 \| good	5 \| good	21.997 \| good	38 \| good	0.573 \| good	8.358 \| good	0.338 \| good
2026-02-11T00:00:00.000Z	35 \| good	4.5 \| good	19.998 \| good	38 \| good	0.541 \| good	9.065 \| good	0.302 \| good
2026-02-11T01:00:00.000Z	31 \| good	4.4 \| good	18.998 \| good	34.002 \| good	0.541 \| good	12.774 \| good	0.312 \| good
2026-02-11T02:00:00.000Z	31 \| good	4.6 \| good	19.998 \| good	33.003 \| good	0.79 \| good	12.37 \| good	0.293 \| good
2026-02-11T03:00:00.000Z	33 \| good	5 \| good	21.998 \| good	36 \| good	0.801 \| good	12.09 \| good	0.267 \| good
2026-02-11T04:00:00.000Z	33 \| good	5.501 \| good	23.999 \| good	36 \| good	1.007 \| good	10.616 \| good	0.279 \| good
2026-02-11T05:00:00.000Z	38 \| good	6.901 \| good	30.996 \| good	33 \| good	0.822 \| good	12.209 \| good	0.265 \| good
2026-02-11T06:00:00.000Z	49 \| good	8.5 \| good	36.994 \| good	32.001 \| good	0.622 \| good	15.021 \| good	0.265 \| good
2026-02-11T07:00:00.000Z	49 \| good	8.5 \| good	36.994 \| good	28.003 \| good	0.621 \| good	16.592 \| good	0.265 \| good
2026-02-11T08:00:00.000Z	52 \| moderate	9.8 \| good	43.989 \| good	27.003 \| good	0.573 \| good	26.901 \| good	0.279 \| good
2026-02-11T09:00:00.000Z	56 \| moderate	11.999 \| good	53.987 \| good	26.003 \| good	0.561 \| good	19.334 \| good	0.286 \| good
2026-02-11T10:00:00.000Z	56 \| moderate	12.5 \| fine	56.987 \| fine	25.002 \| good	0.574 \| good	13.696 \| good	0.306 \| good
2026-02-11T11:00:00.000Z	60 \| moderate	13.501 \| fine	60.988 \| fine	22.002 \| good	0.604 \| good	18.099 \| good	0.32 \| good
2026-02-11T12:00:00.000Z	62 \| moderate	14.601 \| fine	64.987 \| fine	17.004 \| good	0.606 \| good	19.341 \| good	0.394 \| good
2026-02-11T13:00:00.000Z	62 \| moderate	14.601 \| fine	64.985 \| fine	11.007 \| good	0.609 \| good	22.256 \| good	0.395 \| good
2026-02-11T14:00:00.000Z	66 \| moderate	17.301 \| fine	76.984 \| fine	12.006 \| good	0.595 \| good	10.944 \| good	0.393 \| good
2026-02-11T15:00:00.000Z	67 \| moderate	18.201 \| fine	80.983 \| fine	15.004 \| good	0.664 \| good	5.384 \| good	0.351 \| good
2026-02-11T16:00:00.000Z	69 \| moderate	18.698 \| fine	82.976 \| fine	20.002 \| good	0.593 \| good	4.279 \| good	0.272 \| good
2026-02-11T17:00:00.000Z	66 \| moderate	17.397 \| fine	76.974 \| fine	20.005 \| good	0.523 \| good	3.21 \| good	0.23 \| good
2026-02-11T18:00:00.000Z	60 \| moderate	14.197 \| fine	62.976 \| fine	23.004 \| good	0.508 \| good	2.325 \| good	0.198 \| good
2026-02-11T19:00:00.000Z	52 \| moderate	9.898 \| good	43.984 \| good	26.003 \| good	0.514 \| good	1.995 \| good	0.198 \| good
2026-02-11T20:00:00.000Z	38 \| good	6.999 \| good	30.989 \| good	27.003 \| good	0.518 \| good	2.136 \| good	0.198 \| good
2026-02-11T21:00:00.000Z	27 \| good	4.5 \| good	19.994 \| good	29.002 \| good	0.506 \| good	2.595 \| good	0.198 \| good
2026-02-11T22:00:00.000Z	27 \| good	3 \| good	11.998 \| good	29.002 \| good	0.459 \| good	3.038 \| good	0.206 \| good
2026-02-11T23:00:00.000Z	22 \| good	2.2 \| good	9 \| good	24.005 \| good	0.491 \| good	3.972 \| good	0.218 \| good
2026-02-12T00:00:00.000Z	24 \| good	2.1 \| good	8.999 \| good	26.003 \| good	0.55 \| good	3.362 \| good	0.187 \| good
2026-02-12T01:00:00.000Z	24 \| good	2.4 \| good	9.999 \| good	26.003 \| good	0.533 \| good	3.123 \| good	0.198 \| good
2026-02-12T01:00:00.000Z	24 \| good	2.4 \| good	9.999 \| good	26.003 \| good	0.533 \| good	3.123 \| good	0.198 \| good
2026-02-12T02:00:00.000Z	58 \| moderate	12.643 \| fine	57.088 \| fine	31.251 \| good	0.444 \| good	1.915 \| good	0.171 \| good
2026-02-12T03:00:00.000Z	77 \| moderate	22.949 \| fine	100.864 \| fine	33.881 \| good	0.55 \| good	1.779 \| good	0.177 \| good
2026-02-12T04:00:00.000Z	81 \| moderate	24.516 \| fine	106.739 \| fine	32.79 \| good	0.487 \| good	1.535 \| good	0.171 \| good
2026-02-12T05:00:00.000Z	71 \| moderate	19.77 \| fine	86.753 \| fine	26.605 \| good	0.425 \| good	1.291 \| good	0.165 \| good
2026-02-12T06:00:00.000Z	69 \| moderate	18.562 \| fine	81.928 \| fine	26.176 \| good	0.363 \| good	1.048 \| good	0.159 \| good
2026-02-12T07:00:00.000Z	66 \| moderate	16.621 \| fine	74.197 \| fine	24.985 \| good	0.351 \| good	1.002 \| good	0.157 \| good
2026-02-12T08:00:00.000Z	56 \| moderate	11.852 \| good	52.769 \| good	19.663 \| good	0.339 \| good	0.957 \| good	0.155 \| good
2026-02-12T09:00:00.000Z	52 \| moderate	10.297 \| good	45.749 \| good	28.415 \| good	0.327 \| good	0.912 \| good	0.153 \| good
2026-02-12T10:00:00.000Z	77 \| moderate	22.52 \| fine	98.762 \| fine	18.555 \| good	0.323 \| good	0.968 \| good	0.154 \| good
2026-02-12T11:00:00.000Z	88 \| moderate	29.247 \| fine	127.293 \| fine	14.741 \| good	0.319 \| good	1.025 \| good	0.154 \| good
2026-02-12T12:00:00.000Z	86 \| moderate	28.336 \| fine	122.956 \| fine	19.839 \| good	0.315 \| good	1.081 \| good	0.154 \| good
2026-02-12T13:00:00.000Z	84 \| moderate	26.889 \| fine	116.533 \| fine	28.085 \| good	0.31 \| good	0.947 \| good	0.153 \| good
2026-02-12T14:00:00.000Z	64 \| moderate	16.25 \| fine	72.44 \| fine	29.05 \| good	0.305 \| good	0.812 \| good	0.152 \| good
2026-02-12T15:00:00.000Z	44 \| good	7.695 \| good	33.863 \| good	35.835 \| good	0.3 \| good	0.678 \| good	0.151 \| good
2026-02-12T16:00:00.000Z	36 \| good	5.458 \| good	23.48 \| good	38.622 \| good	0.294 \| good	0.607 \| good	0.15 \| good
2026-02-12T17:00:00.000Z	36 \| good	2.914 \| good	12.147 \| good	39.191 \| good	0.287 \| good	0.537 \| good	0.148 \| good
2026-02-12T18:00:00.000Z	36 \| good	1.659 \| good	6.768 \| good	39.201 \| good	0.281 \| good	0.466 \| good	0.146 \| good
2026-02-12T19:00:00.000Z	35 \| good	1.575 \| good	6.144 \| good	37.911 \| good	0.274 \| good	0.544 \| good	0.145 \| good
2026-02-12T20:00:00.000Z	35 \| good	1.352 \| good	5.071 \| good	37.565 \| good	0.267 \| good	0.621 \| good	0.145 \| good
2026-02-12T21:00:00.000Z	33 \| good	1.171 \| good	5 \| good	35.848 \| good	0.26 \| good	0.698 \| good	0.144 \| good
2026-02-12T22:00:00.000Z	34 \| good	0.666 \| good	2.256 \| good	36.873 \| good	0.254 \| good	0.954 \| good	0.147 \| good
2026-02-12T23:00:00.000Z	41 \| good	1.44 \| good	5.684 \| good	43.624 \| good	0.248 \| good	1.21 \| good	0.149 \| good
2026-02-13T00:00:00.000Z	35 \| good	2.608 \| good	10.754 \| good	38.208 \| good	0.242 \| good	1.465 \| good	0.152 \| good
2026-02-13T01:00:00.000Z	34 \| good	3.116 \| good	13.074 \| good	36.861 \| good	0.264 \| good	1.415 \| good	0.151 \| good
2026-02-13T02:00:00.000Z	33 \| good	5.689 \| good	24.77 \| good	22.905 \| good	0.287 \| good	1.364 \| good	0.151 \| good
2026-02-13T03:00:00.000Z	52 \| moderate	9.559 \| good	42.493 \| good	22.315 \| good	0.309 \| good	1.313 \| good	0.15 \| good
2026-02-13T04:00:00.000Z	56 \| moderate	12.312 \| fine	54.902 \| good	17.92 \| good	0.281 \| good	1.234 \| good	0.15 \| good
2026-02-13T05:00:00.000Z	52 \| moderate	10.453 \| good	46.431 \| good	16.769 \| good	0.253 \| good	1.156 \| good	0.149 \| good
2026-02-13T06:00:00.000Z	40 \| good	2.705 \| good	2.946 \| good	42.986 \| good	0.225 \| good	1.078 \| good	0.149 \| good
2026-02-13T07:00:00.000Z	52 \| moderate	9.756 \| good	43.534 \| good	19.659 \| good	0.231 \| good	1.069 \| good	0.149 \| good
2026-02-13T08:00:00.000Z	38 \| good	7.223 \| good	32.011 \| good	18.061 \| good	0.236 \| good	1.061 \| good	0.149 \| good
2026-02-13T09:00:00.000Z	38 \| good	7.121 \| good	31.648 \| good	22.926 \| good	0.242 \| good	1.052 \| good	0.149 \| good
2026-02-13T10:00:00.000Z	56 \| moderate	11.631 \| good	51.875 \| good	14.591 \| good	0.26 \| good	1.366 \| good	0.152 \| good
2026-02-13T11:00:00.000Z	52 \| moderate	10.029 \| good	44.444 \| good	8.036 \| good	0.277 \| good	1.68 \| good	0.155 \| good
2026-02-13T12:00:00.000Z	37 \| good	3.588 \| good	3.721 \| good	39.68 \| good	0.295 \| good	1.999 \| good	0.158 \| good
2026-02-13T13:00:00.000Z	37 \| good	4.133 \| good	4.271 \| good	40.325 \| good	0.307 \| good	1.767 \| good	0.156 \| good
2026-02-13T14:00:00.000Z	38 \| good	3.753 \| good	3.897 \| good	40.971 \| good	0.318 \| good	1.536 \| good	0.154 \| good
2026-02-13T15:00:00.000Z	39 \| good	2.121 \| good	2.29 \| good	41.616 \| good	0.33 \| good	1.305 \| good	0.152 \| good
2026-02-13T16:00:00.000Z	34 \| good	3.394 \| good	15.012 \| good	37.22 \| good	0.297 \| good	1.059 \| good	0.148 \| good
2026-02-13T17:00:00.000Z	36 \| good	1.057 \| good	4.066 \| good	39.307 \| good	0.265 \| good	0.815 \| good	0.145 \| good
2026-02-13T18:00:00.000Z	41 \| good	1.126 \| good	1.291 \| good	44.299 \| good	0.233 \| good	0.572 \| good	0.141 \| good
2026-02-13T19:00:00.000Z	41 \| good	1.175 \| good	1.296 \| good	44.089 \| good	0.224 \| good	0.746 \| good	0.144 \| good
2026-02-13T20:00:00.000Z	41 \| good	1.323 \| good	1.414 \| good	43.879 \| good	0.214 \| good	0.92 \| good	0.146 \| good
2026-02-13T21:00:00.000Z	41 \| good	1.698 \| good	1.774 \| good	43.67 \| good	0.205 \| good	1.095 \| good	0.148 \| good
2026-02-13T22:00:00.000Z	39 \| good	2.703 \| good	2.783 \| good	41.589 \| good	0.241 \| good	2.413 \| good	0.162 \| good
2026-02-13T23:00:00.000Z	37 \| good	4.089 \| good	4.174 \| good	39.509 \| good	0.277 \| good	3.732 \| good	0.176 \| good
2026-02-14T00:00:00.000Z	34 \| good	4.955 \| good	5.044 \| good	37.428 \| good	0.313 \| good	5.051 \| good	0.19 \| good
2026-02-14T01:00:00.000Z	38 \| good	7.34 \| good	32.308 \| good	19.909 \| good	0.374 \| good	5.023 \| good	0.192 \| good

Keene

Empower business decisions with accurate air quality data

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

0.19ppm

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 04:00:00 on 2026-02-11.

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 2026-02-11.

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

The real-time air quality index in Keene, New Hampshire is 24, 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 2.4 μg/m³.

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

The current PM₁₀ levels in Keene, New Hampshire are 9.999 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 0.198 ppm.

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

The current sulfur dioxide (SO₂) levels in Keene, New Hampshire are 0.533 ppb.

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

The current ozone (O₃) levels at Keene, New Hampshire is 26.003 ppm.

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

The current nitrogen dioxide (NO₂) levels at Keene, New Hampshire is 3.123 ppb.

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