What is the current level of PM10 in Hamden, Connecticut?

Hamden, Connecticut currently has a PM10 concentration of 21.118 μg/m3.

What is the current level of sulfur dioxide (SO2) in Hamden, Connecticut?

The current sulfur dioxide (SO2) concentration in Hamden, Connecticut is 0.209 ppb.

What is the current level of ozone (O3) in Hamden, Connecticut?

Hamden, Connecticut currently has an ozone (O3) concentration of 20.875 ppm.

What is the current level of nitrogen dioxide (NO2) in Hamden, Connecticut?

The current level of nitrogen dioxide (NO2) in Hamden, Connecticut is 24.242 ppb.

Current air quality index in Hamden, Connecticut today

Q: What is the PM2.5 concentration in Hamden, Connecticut right now?

Hamden, Connecticut currently has a PM2.5 concentration of 11.108 μg/m3.

Stay updated with real-time air quality in Hamden, Connecticut 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

Hamden, Connecticut

Last updated: ... (Local time)

Common air pollutants in Hamden, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.12 μg/m³

155

255

425

605+

Ozone (O₃)

20.88 ppb

201

201+

Sulfur Dioxide (SO₂)

0.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Hamden, Connecticut

Get Live Pollen Counts

Hamden, Connecticut

Scroll To Air Quality Map

Track live Hamden, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	28 \| good	2.644 \| good	7.042 \| good	30.43 \| good	0.3 \| good	5.621 \| good	0.21 \| good
2025-12-27T01:00:00.000Z	31 \| good	2.763 \| good	5.912 \| good	33.113 \| good	0.358 \| good	6.159 \| good	0.219 \| good
2025-12-27T02:00:00.000Z	30 \| good	2.848 \| good	5.514 \| good	31.609 \| good	0.42 \| good	7.284 \| good	0.208 \| good
2025-12-27T03:00:00.000Z	24 \| good	2.935 \| good	5.388 \| good	25.534 \| good	0.314 \| good	8.997 \| good	0.195 \| good
2025-12-27T04:00:00.000Z	24 \| good	3.068 \| good	4.663 \| good	25.768 \| good	0.317 \| good	9.503 \| good	0.204 \| good
2025-12-27T05:00:00.000Z	28 \| good	3.19 \| good	5.451 \| good	29.819 \| good	0.422 \| good	11.807 \| good	0.284 \| good
2025-12-27T06:00:00.000Z	26 \| good	3.572 \| good	5.401 \| good	27.779 \| good	0.425 \| good	11.74 \| good	0.284 \| good
2025-12-27T07:00:00.000Z	22 \| good	3.435 \| good	23.979 \| good	23.672 \| good	0.421 \| good	13.099 \| good	0.224 \| good
2025-12-27T08:00:00.000Z	27 \| good	4.831 \| good	13.962 \| good	25.495 \| good	0.269 \| good	13.011 \| good	0.224 \| good
2025-12-27T09:00:00.000Z	24 \| good	3.499 \| good	5.332 \| good	25.838 \| good	0.332 \| good	7.817 \| good	0.193 \| good
2025-12-27T10:00:00.000Z	22 \| good	3.695 \| good	6.019 \| good	23.256 \| good	0.297 \| good	9.361 \| good	0.186 \| good
2025-12-27T11:00:00.000Z	22 \| good	3.646 \| good	5.95 \| good	23.998 \| good	0.303 \| good	9.003 \| good	0.186 \| good
2025-12-27T12:00:00.000Z	23 \| good	3.62 \| good	5.987 \| good	24.703 \| good	0.114 \| good	9.513 \| good	0.186 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.62 \| good	5.987 \| good	22.87 \| good	0.128 \| good	9.364 \| good	0.186 \| good
2025-12-27T14:00:00.000Z	22 \| good	3.664 \| good	6.231 \| good	23.979 \| good	0.139 \| good	9.577 \| good	0.266 \| good
2025-12-27T15:00:00.000Z	24 \| good	3.746 \| good	6.231 \| good	25.573 \| good	0.132 \| good	8.619 \| good	0.266 \| good
2025-12-27T16:00:00.000Z	22 \| good	3.822 \| good	6.981 \| good	23.979 \| good	0.119 \| good	7.565 \| good	0.277 \| good
2025-12-27T17:00:00.000Z	24 \| good	3.907 \| good	7.019 \| good	25.534 \| good	0.119 \| good	6.968 \| good	0.277 \| good
2025-12-27T18:00:00.000Z	24 \| good	3.982 \| good	7.019 \| good	25.839 \| good	0.121 \| good	6.477 \| good	0.266 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.059 \| good	6.981 \| good	29.459 \| good	0.121 \| good	6.226 \| good	0.266 \| good
2025-12-27T20:00:00.000Z	28 \| good	4.065 \| good	7 \| good	29.501 \| good	0.121 \| good	6.384 \| good	0.189 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.073 \| good	7.032 \| good	31.237 \| good	0.121 \| good	7.292 \| good	0.187 \| good
2025-12-27T22:00:00.000Z	29 \| good	4.289 \| good	7.032 \| good	30.645 \| good	0.12 \| good	16.211 \| good	0.282 \| good
2025-12-27T23:00:00.000Z	27 \| good	5.094 \| good	7.43 \| good	25.354 \| good	0.133 \| good	22.178 \| good	0.377 \| good
2025-12-28T00:00:00.000Z	33 \| good	6.483 \| good	10.274 \| good	23.255 \| good	0.134 \| good	30.755 \| good	0.399 \| good
2025-12-28T01:00:00.000Z	44 \| good	8.16 \| good	11.648 \| good	15.56 \| good	0.242 \| good	31.72 \| good	0.507 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.862 \| good	13.82 \| good	13.811 \| good	0.408 \| good	35.697 \| good	0.608 \| good
2025-12-28T03:00:00.000Z	58 \| moderate	12.511 \| fine	56.438 \| fine	7.245 \| good	0.957 \| good	14.535 \| good	0.247 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.74 \| fine	17.297 \| good	6.039 \| good	0.494 \| good	32.291 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	62 \| moderate	15.051 \| fine	19.804 \| good	6.376 \| good	0.452 \| good	34.087 \| good	0.604 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	12.125 \| fine	16.653 \| good	6.234 \| good	0.5 \| good	29.516 \| good	0.339 \| good
2025-12-28T07:00:00.000Z	56 \| moderate	12.2 \| fine	39.756 \| good	4.642 \| good	0.453 \| good	20.396 \| good	0.425 \| good
2025-12-28T08:00:00.000Z	44 \| good	8.221 \| good	11.766 \| good	12.758 \| good	0.148 \| good	20.448 \| good	0.181 \| good
2025-12-28T09:00:00.000Z	44 \| good	7.868 \| good	11.186 \| good	12.428 \| good	0.486 \| good	19.099 \| good	0.201 \| good
2025-12-28T10:00:00.000Z	54 \| moderate	10.537 \| good	14.168 \| good	13.288 \| good	0.339 \| good	28.011 \| good	0.509 \| good
2025-12-28T11:00:00.000Z	54 \| moderate	10.67 \| good	14.269 \| good	11.879 \| good	0.232 \| good	30.431 \| good	0.327 \| good
2025-12-28T12:00:00.000Z	54 \| moderate	10.778 \| good	14.994 \| good	11.26 \| good	0.313 \| good	30.27 \| good	0.338 \| good
2025-12-28T13:00:00.000Z	54 \| moderate	10.778 \| good	14.994 \| good	8.349 \| good	0.311 \| good	30.614 \| good	0.338 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.09 \| fine	60.318 \| fine	7.637 \| good	0.409 \| good	28.068 \| good	0.536 \| good
2025-12-28T15:00:00.000Z	54 \| moderate	11.346 \| good	16.021 \| good	8.097 \| good	0.36 \| good	22.165 \| good	0.318 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	9.957 \| good	15.502 \| good	10.509 \| good	0.275 \| good	17.676 \| good	0.225 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.411 \| good	17.663 \| good	14.001 \| good	0.273 \| good	16.103 \| good	0.214 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.43 \| good	18.724 \| good	16.716 \| good	0.286 \| good	13.5 \| good	0.216 \| good
2025-12-28T19:00:00.000Z	52 \| moderate	9.971 \| good	22.049 \| good	20.154 \| good	0.278 \| good	15.554 \| good	0.237 \| good
2025-12-28T20:00:00.000Z	52 \| moderate	10.234 \| good	24.07 \| good	21.488 \| good	0.287 \| good	16.557 \| good	0.25 \| good
2025-12-28T21:00:00.000Z	52 \| moderate	10.09 \| good	22.794 \| good	20.083 \| good	0.279 \| good	16.292 \| good	0.246 \| good
2025-12-28T22:00:00.000Z	54 \| moderate	11.108 \| good	21.118 \| good	20.875 \| good	0.209 \| good	24.242 \| good	0.348 \| good
2025-12-28T23:00:00.000Z	54 \| moderate	11.108 \| good	21.118 \| good	20.875 \| good	0.209 \| good	24.242 \| good	0.348 \| good
2025-12-29T00:00:00.000Z	81 \| moderate	25.471 \| fine	110.973 \| fine	2.356 \| good	2.904 \| good	30.647 \| good	0.309 \| good
2025-12-29T01:00:00.000Z	77 \| moderate	23.265 \| fine	102.274 \| fine	2.307 \| good	2.511 \| good	28.621 \| good	0.288 \| good
2025-12-29T02:00:00.000Z	67 \| moderate	18.012 \| fine	79.747 \| fine	7.589 \| good	2.117 \| good	26.595 \| good	0.267 \| good
2025-12-29T03:00:00.000Z	56 \| moderate	11.82 \| good	52.855 \| good	17.238 \| good	1.724 \| good	24.569 \| good	0.247 \| good
2025-12-29T04:00:00.000Z	49 \| good	9.484 \| good	42.365 \| good	22.699 \| good	1.331 \| good	19.241 \| good	0.219 \| good
2025-12-29T05:00:00.000Z	38 \| good	6.911 \| good	30.463 \| good	28.052 \| good	0.938 \| good	13.913 \| good	0.192 \| good
2025-12-29T06:00:00.000Z	28 \| good	4.082 \| good	17.968 \| good	30.142 \| good	0.545 \| good	8.585 \| good	0.165 \| good
2025-12-29T07:00:00.000Z	26 \| good	3.831 \| good	16.694 \| good	28.326 \| good	0.548 \| good	6.74 \| good	0.155 \| good
2025-12-29T08:00:00.000Z	24 \| good	4.378 \| good	18.893 \| good	26.357 \| good	0.551 \| good	4.896 \| good	0.146 \| good
2025-12-29T09:00:00.000Z	22 \| good	4.321 \| good	18.778 \| good	19.143 \| good	0.554 \| good	3.052 \| good	0.136 \| good
2025-12-29T10:00:00.000Z	16 \| good	3.457 \| good	14.918 \| good	16.785 \| good	0.734 \| good	4.149 \| good	0.145 \| good
2025-12-29T11:00:00.000Z	16 \| good	3.32 \| good	14.262 \| good	17.217 \| good	0.914 \| good	5.246 \| good	0.154 \| good
2025-12-29T12:00:00.000Z	27 \| good	5.07 \| good	21.957 \| good	16.66 \| good	1.094 \| good	6.342 \| good	0.164 \| good
2025-12-29T13:00:00.000Z	38 \| good	7.028 \| good	31.17 \| good	14.151 \| good	1.176 \| good	7.459 \| good	0.173 \| good
2025-12-29T14:00:00.000Z	44 \| good	7.674 \| good	33.795 \| good	14.185 \| good	1.258 \| good	8.576 \| good	0.183 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.73 \| good	38.351 \| good	11.111 \| good	1.341 \| good	9.693 \| good	0.193 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.997 \| good	40.372 \| good	13.081 \| good	1.352 \| good	10.057 \| good	0.192 \| good
2025-12-29T17:00:00.000Z	49 \| good	8.809 \| good	38.604 \| good	8.677 \| good	1.363 \| good	10.422 \| good	0.192 \| good
2025-12-29T18:00:00.000Z	52 \| moderate	10.286 \| good	45.39 \| good	3.731 \| good	1.375 \| good	10.787 \| good	0.192 \| good
2025-12-29T19:00:00.000Z	52 \| moderate	9.935 \| good	43.872 \| good	11.102 \| good	1.495 \| good	9.946 \| good	0.187 \| good
2025-12-29T20:00:00.000Z	28 \| good	4.914 \| good	21.29 \| good	30.381 \| good	1.615 \| good	9.106 \| good	0.182 \| good
2025-12-29T21:00:00.000Z	33 \| good	2.353 \| good	9.816 \| good	36.354 \| good	1.735 \| good	8.265 \| good	0.177 \| good
2025-12-29T22:00:00.000Z	32 \| good	4.154 \| good	18.143 \| good	34.528 \| good	1.63 \| good	6.651 \| good	0.176 \| good
2025-12-29T23:00:00.000Z	25 \| good	3.731 \| good	16.319 \| good	27.318 \| good	1.525 \| good	5.036 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	20 \| good	2.445 \| good	10.02 \| good	22.123 \| good	1.42 \| good	3.422 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	19 \| good	1.82 \| good	7.587 \| good	20.408 \| good	1.224 \| good	3.373 \| good	0.173 \| good
2025-12-30T02:00:00.000Z	18 \| good	1.481 \| good	6.088 \| good	18.524 \| good	1.028 \| good	3.324 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	18 \| good	1.672 \| good	7.088 \| good	18.654 \| good	0.832 \| good	3.275 \| good	0.166 \| good
2025-12-30T04:00:00.000Z	18 \| good	1.459 \| good	5.968 \| good	18.907 \| good	0.712 \| good	2.785 \| good	0.16 \| good
2025-12-30T05:00:00.000Z	24 \| good	1.234 \| good	5.003 \| good	25.758 \| good	0.592 \| good	2.295 \| good	0.153 \| good
2025-12-30T06:00:00.000Z	29 \| good	0.926 \| good	3.653 \| good	31.228 \| good	0.472 \| good	1.805 \| good	0.147 \| good
2025-12-30T07:00:00.000Z	29 \| good	0.822 \| good	3.032 \| good	31.361 \| good	0.407 \| good	1.548 \| good	0.144 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.066 \| good	4.141 \| good	30.599 \| good	0.343 \| good	1.29 \| good	0.141 \| good
2025-12-30T09:00:00.000Z	27 \| good	0.753 \| good	2.882 \| good	28.951 \| good	0.279 \| good	1.033 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	0.897 \| good	3.512 \| good	27.695 \| good	0.307 \| good	1.292 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.158 \| good	0.144 \| good	31.541 \| good	0.336 \| good	1.552 \| good	0.144 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.103 \| good	0 \| good	33.368 \| good	0.364 \| good	1.812 \| good	0.147 \| good
2025-12-30T13:00:00.000Z	32 \| good	0.131 \| good	0.027 \| good	35.1 \| good	0.365 \| good	1.739 \| good	0.146 \| good
2025-12-30T14:00:00.000Z	33 \| good	0.143 \| good	0.124 \| good	35.821 \| good	0.366 \| good	1.667 \| good	0.146 \| good
2025-12-30T15:00:00.000Z	33 \| good	0.147 \| good	0.212 \| good	36.13 \| good	0.367 \| good	1.594 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.233 \| good	0.884 \| good	35.685 \| good	0.355 \| good	1.484 \| good	0.144 \| good
2025-12-30T17:00:00.000Z	33 \| good	0.285 \| good	0.913 \| good	36.068 \| good	0.342 \| good	1.374 \| good	0.141 \| good
2025-12-30T18:00:00.000Z	33 \| good	0.877 \| good	3.459 \| good	36.402 \| good	0.329 \| good	1.263 \| good	0.139 \| good
2025-12-30T19:00:00.000Z	36 \| good	1.294 \| good	5 \| good	38.513 \| good	0.368 \| good	1.54 \| good	0.138 \| good
2025-12-30T20:00:00.000Z	37 \| good	1.01 \| good	4 \| good	40.162 \| good	0.406 \| good	1.816 \| good	0.137 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.519 \| good	2 \| good	37.565 \| good	0.444 \| good	2.093 \| good	0.136 \| good
2025-12-30T22:00:00.000Z	32 \| good	0.876 \| good	3.432 \| good	35.234 \| good	0.512 \| good	2.461 \| good	0.137 \| good
2025-12-30T23:00:00.000Z	31 \| good	0.634 \| good	2.203 \| good	34.196 \| good	0.579 \| good	2.83 \| good	0.139 \| good

Hamden

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Hamden, Connecticut

0.32ppm

How accurate is Connecticut, USA air quality data?

The air quality data for Connecticut, 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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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently does the air quality data for Hamden, Connecticut get updated?

Air quality updates for Hamden, Connecticut are available every hour.

What time in the past 24 hours saw the poorest air quality in Hamden, Connecticut?

Hamden, Connecticut experienced its worst air quality at 05:00:00, 2025-12-28.

When was air quality in Hamden, Connecticut the best over the past 24 hours?

The best air quality in Hamden, Connecticut was observed at 11:00:00 on 2025-12-27.

What is the air quality in Hamden, Connecticut right now?

The air quality in Hamden, Connecticut right now is Moderate, with an AQI of 54.

What pollutant is most frequently found in Hamden, Connecticut?

In Hamden, Connecticut, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Hamden, Connecticut is poor?

When air quality in Hamden, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Hamden, Connecticut right now?

Hamden, Connecticut currently has a PM_2.5 concentration of 11.108 μg/m³.

What is the current level of PM₁₀ in Hamden, Connecticut?

Hamden, Connecticut currently has a PM₁₀ concentration of 21.118 μg/m³.

What is the current level of carbon monoxide (CO) in Hamden, Connecticut?

The current carbon monoxide (CO) level in Hamden, Connecticut is 0.348 ppm.

What is the current level of sulfur dioxide (SO₂) in Hamden, Connecticut?

The current sulfur dioxide (SO₂) concentration in Hamden, Connecticut is 0.209 ppb.

What is the current level of ozone (O₃) in Hamden, Connecticut?

Hamden, Connecticut currently has an ozone (O₃) concentration of 20.875 ppm.

What is the current level of nitrogen dioxide (NO₂) in Hamden, Connecticut?

The current level of nitrogen dioxide (NO₂) in Hamden, Connecticut is 24.242 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	28 \| good	2.644 \| good	7.042 \| good	30.43 \| good	0.3 \| good	5.621 \| good	0.21 \| good
2025-12-27T01:00:00.000Z	31 \| good	2.763 \| good	5.912 \| good	33.113 \| good	0.358 \| good	6.159 \| good	0.219 \| good
2025-12-27T02:00:00.000Z	30 \| good	2.848 \| good	5.514 \| good	31.609 \| good	0.42 \| good	7.284 \| good	0.208 \| good
2025-12-27T03:00:00.000Z	24 \| good	2.935 \| good	5.388 \| good	25.534 \| good	0.314 \| good	8.997 \| good	0.195 \| good
2025-12-27T04:00:00.000Z	24 \| good	3.068 \| good	4.663 \| good	25.768 \| good	0.317 \| good	9.503 \| good	0.204 \| good
2025-12-27T05:00:00.000Z	28 \| good	3.19 \| good	5.451 \| good	29.819 \| good	0.422 \| good	11.807 \| good	0.284 \| good
2025-12-27T06:00:00.000Z	26 \| good	3.572 \| good	5.401 \| good	27.779 \| good	0.425 \| good	11.74 \| good	0.284 \| good
2025-12-27T07:00:00.000Z	22 \| good	3.435 \| good	23.979 \| good	23.672 \| good	0.421 \| good	13.099 \| good	0.224 \| good
2025-12-27T08:00:00.000Z	27 \| good	4.831 \| good	13.962 \| good	25.495 \| good	0.269 \| good	13.011 \| good	0.224 \| good
2025-12-27T09:00:00.000Z	24 \| good	3.499 \| good	5.332 \| good	25.838 \| good	0.332 \| good	7.817 \| good	0.193 \| good
2025-12-27T10:00:00.000Z	22 \| good	3.695 \| good	6.019 \| good	23.256 \| good	0.297 \| good	9.361 \| good	0.186 \| good
2025-12-27T11:00:00.000Z	22 \| good	3.646 \| good	5.95 \| good	23.998 \| good	0.303 \| good	9.003 \| good	0.186 \| good
2025-12-27T12:00:00.000Z	23 \| good	3.62 \| good	5.987 \| good	24.703 \| good	0.114 \| good	9.513 \| good	0.186 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.62 \| good	5.987 \| good	22.87 \| good	0.128 \| good	9.364 \| good	0.186 \| good
2025-12-27T14:00:00.000Z	22 \| good	3.664 \| good	6.231 \| good	23.979 \| good	0.139 \| good	9.577 \| good	0.266 \| good
2025-12-27T15:00:00.000Z	24 \| good	3.746 \| good	6.231 \| good	25.573 \| good	0.132 \| good	8.619 \| good	0.266 \| good
2025-12-27T16:00:00.000Z	22 \| good	3.822 \| good	6.981 \| good	23.979 \| good	0.119 \| good	7.565 \| good	0.277 \| good
2025-12-27T17:00:00.000Z	24 \| good	3.907 \| good	7.019 \| good	25.534 \| good	0.119 \| good	6.968 \| good	0.277 \| good
2025-12-27T18:00:00.000Z	24 \| good	3.982 \| good	7.019 \| good	25.839 \| good	0.121 \| good	6.477 \| good	0.266 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.059 \| good	6.981 \| good	29.459 \| good	0.121 \| good	6.226 \| good	0.266 \| good
2025-12-27T20:00:00.000Z	28 \| good	4.065 \| good	7 \| good	29.501 \| good	0.121 \| good	6.384 \| good	0.189 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.073 \| good	7.032 \| good	31.237 \| good	0.121 \| good	7.292 \| good	0.187 \| good
2025-12-27T22:00:00.000Z	29 \| good	4.289 \| good	7.032 \| good	30.645 \| good	0.12 \| good	16.211 \| good	0.282 \| good
2025-12-27T23:00:00.000Z	27 \| good	5.094 \| good	7.43 \| good	25.354 \| good	0.133 \| good	22.178 \| good	0.377 \| good
2025-12-28T00:00:00.000Z	33 \| good	6.483 \| good	10.274 \| good	23.255 \| good	0.134 \| good	30.755 \| good	0.399 \| good
2025-12-28T01:00:00.000Z	44 \| good	8.16 \| good	11.648 \| good	15.56 \| good	0.242 \| good	31.72 \| good	0.507 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.862 \| good	13.82 \| good	13.811 \| good	0.408 \| good	35.697 \| good	0.608 \| good
2025-12-28T03:00:00.000Z	58 \| moderate	12.511 \| fine	56.438 \| fine	7.245 \| good	0.957 \| good	14.535 \| good	0.247 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.74 \| fine	17.297 \| good	6.039 \| good	0.494 \| good	32.291 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	62 \| moderate	15.051 \| fine	19.804 \| good	6.376 \| good	0.452 \| good	34.087 \| good	0.604 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	12.125 \| fine	16.653 \| good	6.234 \| good	0.5 \| good	29.516 \| good	0.339 \| good
2025-12-28T07:00:00.000Z	56 \| moderate	12.2 \| fine	39.756 \| good	4.642 \| good	0.453 \| good	20.396 \| good	0.425 \| good
2025-12-28T08:00:00.000Z	44 \| good	8.221 \| good	11.766 \| good	12.758 \| good	0.148 \| good	20.448 \| good	0.181 \| good
2025-12-28T09:00:00.000Z	44 \| good	7.868 \| good	11.186 \| good	12.428 \| good	0.486 \| good	19.099 \| good	0.201 \| good
2025-12-28T10:00:00.000Z	54 \| moderate	10.537 \| good	14.168 \| good	13.288 \| good	0.339 \| good	28.011 \| good	0.509 \| good
2025-12-28T11:00:00.000Z	54 \| moderate	10.67 \| good	14.269 \| good	11.879 \| good	0.232 \| good	30.431 \| good	0.327 \| good
2025-12-28T12:00:00.000Z	54 \| moderate	10.778 \| good	14.994 \| good	11.26 \| good	0.313 \| good	30.27 \| good	0.338 \| good
2025-12-28T13:00:00.000Z	54 \| moderate	10.778 \| good	14.994 \| good	8.349 \| good	0.311 \| good	30.614 \| good	0.338 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.09 \| fine	60.318 \| fine	7.637 \| good	0.409 \| good	28.068 \| good	0.536 \| good
2025-12-28T15:00:00.000Z	54 \| moderate	11.346 \| good	16.021 \| good	8.097 \| good	0.36 \| good	22.165 \| good	0.318 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	9.957 \| good	15.502 \| good	10.509 \| good	0.275 \| good	17.676 \| good	0.225 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.411 \| good	17.663 \| good	14.001 \| good	0.273 \| good	16.103 \| good	0.214 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.43 \| good	18.724 \| good	16.716 \| good	0.286 \| good	13.5 \| good	0.216 \| good
2025-12-28T19:00:00.000Z	52 \| moderate	9.971 \| good	22.049 \| good	20.154 \| good	0.278 \| good	15.554 \| good	0.237 \| good
2025-12-28T20:00:00.000Z	52 \| moderate	10.234 \| good	24.07 \| good	21.488 \| good	0.287 \| good	16.557 \| good	0.25 \| good
2025-12-28T21:00:00.000Z	52 \| moderate	10.09 \| good	22.794 \| good	20.083 \| good	0.279 \| good	16.292 \| good	0.246 \| good
2025-12-28T22:00:00.000Z	54 \| moderate	11.108 \| good	21.118 \| good	20.875 \| good	0.209 \| good	24.242 \| good	0.348 \| good
2025-12-28T23:00:00.000Z	54 \| moderate	11.108 \| good	21.118 \| good	20.875 \| good	0.209 \| good	24.242 \| good	0.348 \| good
2025-12-29T00:00:00.000Z	81 \| moderate	25.471 \| fine	110.973 \| fine	2.356 \| good	2.904 \| good	30.647 \| good	0.309 \| good
2025-12-29T01:00:00.000Z	77 \| moderate	23.265 \| fine	102.274 \| fine	2.307 \| good	2.511 \| good	28.621 \| good	0.288 \| good
2025-12-29T02:00:00.000Z	67 \| moderate	18.012 \| fine	79.747 \| fine	7.589 \| good	2.117 \| good	26.595 \| good	0.267 \| good
2025-12-29T03:00:00.000Z	56 \| moderate	11.82 \| good	52.855 \| good	17.238 \| good	1.724 \| good	24.569 \| good	0.247 \| good
2025-12-29T04:00:00.000Z	49 \| good	9.484 \| good	42.365 \| good	22.699 \| good	1.331 \| good	19.241 \| good	0.219 \| good
2025-12-29T05:00:00.000Z	38 \| good	6.911 \| good	30.463 \| good	28.052 \| good	0.938 \| good	13.913 \| good	0.192 \| good
2025-12-29T06:00:00.000Z	28 \| good	4.082 \| good	17.968 \| good	30.142 \| good	0.545 \| good	8.585 \| good	0.165 \| good
2025-12-29T07:00:00.000Z	26 \| good	3.831 \| good	16.694 \| good	28.326 \| good	0.548 \| good	6.74 \| good	0.155 \| good
2025-12-29T08:00:00.000Z	24 \| good	4.378 \| good	18.893 \| good	26.357 \| good	0.551 \| good	4.896 \| good	0.146 \| good
2025-12-29T09:00:00.000Z	22 \| good	4.321 \| good	18.778 \| good	19.143 \| good	0.554 \| good	3.052 \| good	0.136 \| good
2025-12-29T10:00:00.000Z	16 \| good	3.457 \| good	14.918 \| good	16.785 \| good	0.734 \| good	4.149 \| good	0.145 \| good
2025-12-29T11:00:00.000Z	16 \| good	3.32 \| good	14.262 \| good	17.217 \| good	0.914 \| good	5.246 \| good	0.154 \| good
2025-12-29T12:00:00.000Z	27 \| good	5.07 \| good	21.957 \| good	16.66 \| good	1.094 \| good	6.342 \| good	0.164 \| good
2025-12-29T13:00:00.000Z	38 \| good	7.028 \| good	31.17 \| good	14.151 \| good	1.176 \| good	7.459 \| good	0.173 \| good
2025-12-29T14:00:00.000Z	44 \| good	7.674 \| good	33.795 \| good	14.185 \| good	1.258 \| good	8.576 \| good	0.183 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.73 \| good	38.351 \| good	11.111 \| good	1.341 \| good	9.693 \| good	0.193 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.997 \| good	40.372 \| good	13.081 \| good	1.352 \| good	10.057 \| good	0.192 \| good
2025-12-29T17:00:00.000Z	49 \| good	8.809 \| good	38.604 \| good	8.677 \| good	1.363 \| good	10.422 \| good	0.192 \| good
2025-12-29T18:00:00.000Z	52 \| moderate	10.286 \| good	45.39 \| good	3.731 \| good	1.375 \| good	10.787 \| good	0.192 \| good
2025-12-29T19:00:00.000Z	52 \| moderate	9.935 \| good	43.872 \| good	11.102 \| good	1.495 \| good	9.946 \| good	0.187 \| good
2025-12-29T20:00:00.000Z	28 \| good	4.914 \| good	21.29 \| good	30.381 \| good	1.615 \| good	9.106 \| good	0.182 \| good
2025-12-29T21:00:00.000Z	33 \| good	2.353 \| good	9.816 \| good	36.354 \| good	1.735 \| good	8.265 \| good	0.177 \| good
2025-12-29T22:00:00.000Z	32 \| good	4.154 \| good	18.143 \| good	34.528 \| good	1.63 \| good	6.651 \| good	0.176 \| good
2025-12-29T23:00:00.000Z	25 \| good	3.731 \| good	16.319 \| good	27.318 \| good	1.525 \| good	5.036 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	20 \| good	2.445 \| good	10.02 \| good	22.123 \| good	1.42 \| good	3.422 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	19 \| good	1.82 \| good	7.587 \| good	20.408 \| good	1.224 \| good	3.373 \| good	0.173 \| good
2025-12-30T02:00:00.000Z	18 \| good	1.481 \| good	6.088 \| good	18.524 \| good	1.028 \| good	3.324 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	18 \| good	1.672 \| good	7.088 \| good	18.654 \| good	0.832 \| good	3.275 \| good	0.166 \| good
2025-12-30T04:00:00.000Z	18 \| good	1.459 \| good	5.968 \| good	18.907 \| good	0.712 \| good	2.785 \| good	0.16 \| good
2025-12-30T05:00:00.000Z	24 \| good	1.234 \| good	5.003 \| good	25.758 \| good	0.592 \| good	2.295 \| good	0.153 \| good
2025-12-30T06:00:00.000Z	29 \| good	0.926 \| good	3.653 \| good	31.228 \| good	0.472 \| good	1.805 \| good	0.147 \| good
2025-12-30T07:00:00.000Z	29 \| good	0.822 \| good	3.032 \| good	31.361 \| good	0.407 \| good	1.548 \| good	0.144 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.066 \| good	4.141 \| good	30.599 \| good	0.343 \| good	1.29 \| good	0.141 \| good
2025-12-30T09:00:00.000Z	27 \| good	0.753 \| good	2.882 \| good	28.951 \| good	0.279 \| good	1.033 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	0.897 \| good	3.512 \| good	27.695 \| good	0.307 \| good	1.292 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.158 \| good	0.144 \| good	31.541 \| good	0.336 \| good	1.552 \| good	0.144 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.103 \| good	0 \| good	33.368 \| good	0.364 \| good	1.812 \| good	0.147 \| good
2025-12-30T13:00:00.000Z	32 \| good	0.131 \| good	0.027 \| good	35.1 \| good	0.365 \| good	1.739 \| good	0.146 \| good
2025-12-30T14:00:00.000Z	33 \| good	0.143 \| good	0.124 \| good	35.821 \| good	0.366 \| good	1.667 \| good	0.146 \| good
2025-12-30T15:00:00.000Z	33 \| good	0.147 \| good	0.212 \| good	36.13 \| good	0.367 \| good	1.594 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.233 \| good	0.884 \| good	35.685 \| good	0.355 \| good	1.484 \| good	0.144 \| good
2025-12-30T17:00:00.000Z	33 \| good	0.285 \| good	0.913 \| good	36.068 \| good	0.342 \| good	1.374 \| good	0.141 \| good
2025-12-30T18:00:00.000Z	33 \| good	0.877 \| good	3.459 \| good	36.402 \| good	0.329 \| good	1.263 \| good	0.139 \| good
2025-12-30T19:00:00.000Z	36 \| good	1.294 \| good	5 \| good	38.513 \| good	0.368 \| good	1.54 \| good	0.138 \| good
2025-12-30T20:00:00.000Z	37 \| good	1.01 \| good	4 \| good	40.162 \| good	0.406 \| good	1.816 \| good	0.137 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.519 \| good	2 \| good	37.565 \| good	0.444 \| good	2.093 \| good	0.136 \| good
2025-12-30T22:00:00.000Z	32 \| good	0.876 \| good	3.432 \| good	35.234 \| good	0.512 \| good	2.461 \| good	0.137 \| good
2025-12-30T23:00:00.000Z	31 \| good	0.634 \| good	2.203 \| good	34.196 \| good	0.579 \| good	2.83 \| good	0.139 \| good

Current air quality index in Hamden, Connecticut today

Common air pollutants in Hamden, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Hamden, Connecticut air quality forecast and history

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Real-time air quality map: Monitor AQI near Hamden, Connecticut

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Frequently asked questions

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What is the current level of carbon monoxide (CO) in Hamden, Connecticut?

What is the current level of sulfur dioxide (SO2) in Hamden, Connecticut?

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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 concentration in Hamden, Connecticut right now?

What is the current level of PM₁₀ in Hamden, Connecticut?

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What is the current level of nitrogen dioxide (NO₂) in Hamden, Connecticut?