What is the PM10 level in Derby, Connecticut at the moment?

The PM10 concentration in Derby, Connecticut is 12.782 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Derby, Connecticut at the moment?

Currently, Derby, Connecticut has a sulfur dioxide (SO2) concentration of 0.209 ppb.

What is the ozone (O3) level in Derby, Connecticut at the moment?

The current ozone (O3) level in Derby, Connecticut at the moment is 25.439 ppm.

What is the nitrogen dioxide (NO2) level in Derby, Connecticut at the moment?

Nitrogen dioxide (NO2) level in Derby, Connecticut at the moment is 6.1 ppb.

Live air quality index in Derby, Connecticut today

Q: What is the PM2.5 level in Derby, Connecticut at the moment?

PM2.5 levels in Derby, Connecticut are currently 2.504 μg/m3.

Stay updated with real-time air quality in Derby, 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)

Good

Derby, Connecticut

Last updated: ... (Local time)

Major air pollutants in Derby, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.73 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.21 μg/m³

155

255

425

605+

Ozone (O₃)

30.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.14 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.09 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 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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Derby, Connecticut

Scroll To Air Quality Map

Track live Derby, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T06:00:00.000Z	33 \| good	6.37 \| good	29.193 \| good	22.102 \| good	0.319 \| good	17.151 \| good	0.319 \| good
2026-02-10T07:00:00.000Z	38 \| good	7.074 \| good	33.957 \| good	18.795 \| good	0.321 \| good	27.434 \| good	0.383 \| good
2026-02-10T08:00:00.000Z	33 \| good	6.469 \| good	27.614 \| good	22.77 \| good	0.616 \| good	16.855 \| good	0.343 \| good
2026-02-10T09:00:00.000Z	38 \| good	6.609 \| good	33.021 \| good	18 \| good	0.28 \| good	24.484 \| good	0.305 \| good
2026-02-10T10:00:00.000Z	38 \| good	7.116 \| good	27 \| good	20.059 \| good	0.334 \| good	27.211 \| good	0.305 \| good
2026-02-10T11:00:00.000Z	38 \| good	6.579 \| good	32.197 \| good	19.022 \| good	0.324 \| good	27.92 \| good	0.332 \| good
2026-02-10T12:00:00.000Z	44 \| good	7.521 \| good	43.782 \| good	13.016 \| good	0.327 \| good	30.865 \| good	0.397 \| good
2026-02-10T13:00:00.000Z	38 \| good	7.194 \| good	36.004 \| good	12.652 \| good	0.381 \| good	35.694 \| good	0.467 \| good
2026-02-10T14:00:00.000Z	44 \| good	8.341 \| good	38.885 \| good	15.375 \| good	0.46 \| good	29.551 \| good	0.385 \| good
2026-02-10T15:00:00.000Z	44 \| good	7.622 \| good	34.14 \| good	25.882 \| good	0.454 \| good	19.18 \| good	0.363 \| good
2026-02-10T16:00:00.000Z	49 \| good	8.529 \| good	35.667 \| good	23.087 \| good	0.591 \| good	19.57 \| good	0.431 \| good
2026-02-10T17:00:00.000Z	44 \| good	7.718 \| good	33.534 \| good	28.048 \| good	0.542 \| good	14.796 \| good	0.453 \| good
2026-02-10T18:00:00.000Z	44 \| good	8.198 \| good	40.979 \| good	26.98 \| good	1.117 \| good	20.873 \| good	0.467 \| good
2026-02-10T19:00:00.000Z	44 \| good	7.744 \| good	30.81 \| good	24.482 \| good	1.197 \| good	19.68 \| good	0.41 \| good
2026-02-10T20:00:00.000Z	49 \| good	9.197 \| good	41.584 \| good	26.872 \| good	1.645 \| good	21.21 \| good	0.492 \| good
2026-02-10T21:00:00.000Z	52 \| moderate	10.207 \| good	52.924 \| good	9.59 \| good	1.503 \| good	21.357 \| good	0.505 \| good
2026-02-10T22:00:00.000Z	58 \| moderate	13.056 \| fine	67.779 \| fine	13.638 \| good	1.175 \| good	23.849 \| good	0.523 \| good
2026-02-10T23:00:00.000Z	56 \| moderate	12.15 \| fine	58.341 \| fine	23.762 \| good	0.606 \| good	27.974 \| good	0.398 \| good
2026-02-11T00:00:00.000Z	49 \| good	9.119 \| good	51.107 \| good	24.032 \| good	0.714 \| good	24.515 \| good	0.352 \| good
2026-02-11T01:00:00.000Z	52 \| moderate	10.485 \| good	38.887 \| good	23.793 \| good	0.942 \| good	23.275 \| good	0.314 \| good
2026-02-11T02:00:00.000Z	52 \| moderate	9.889 \| good	38.193 \| good	23.266 \| good	0.646 \| good	30.997 \| good	0.263 \| good
2026-02-11T03:00:00.000Z	54 \| moderate	11.006 \| good	37.424 \| good	26.457 \| good	0.618 \| good	21.094 \| good	0.28 \| good
2026-02-11T04:00:00.000Z	56 \| moderate	12.089 \| good	50.132 \| good	19.412 \| good	0.596 \| good	26.079 \| good	0.314 \| good
2026-02-11T05:00:00.000Z	54 \| moderate	11.032 \| good	50.721 \| good	13.184 \| good	0.518 \| good	30.053 \| good	0.297 \| good
2026-02-11T06:00:00.000Z	58 \| moderate	13.309 \| fine	43.315 \| good	13.612 \| good	0.472 \| good	25.456 \| good	0.315 \| good
2026-02-11T07:00:00.000Z	60 \| moderate	14.183 \| fine	43.693 \| good	5.231 \| good	0.555 \| good	26.057 \| good	0.404 \| good
2026-02-11T08:00:00.000Z	66 \| moderate	17.391 \| fine	37.641 \| good	9.918 \| good	0.355 \| good	24.083 \| good	0.353 \| good
2026-02-11T09:00:00.000Z	69 \| moderate	18.822 \| fine	55.685 \| fine	9.587 \| good	0.273 \| good	27.859 \| good	0.37 \| good
2026-02-11T10:00:00.000Z	75 \| moderate	22.483 \| fine	44.277 \| good	13.336 \| good	0.403 \| good	35.425 \| good	0.382 \| good
2026-02-11T11:00:00.000Z	75 \| moderate	21.99 \| fine	83.63 \| fine	21.515 \| good	0.474 \| good	34.837 \| good	0.383 \| good
2026-02-11T12:00:00.000Z	77 \| moderate	23.171 \| fine	97.223 \| fine	16.397 \| good	0.576 \| good	27.881 \| good	0.493 \| good
2026-02-11T13:00:00.000Z	69 \| moderate	19.466 \| fine	61.043 \| fine	17.857 \| good	0.674 \| good	32.936 \| good	0.529 \| good
2026-02-11T14:00:00.000Z	79 \| moderate	23.746 \| fine	53.807 \| good	20.126 \| good	0.627 \| good	28.838 \| good	0.545 \| good
2026-02-11T15:00:00.000Z	84 \| moderate	27.457 \| fine	46.151 \| good	21.481 \| good	0.497 \| good	23.474 \| good	0.446 \| good
2026-02-11T16:00:00.000Z	81 \| moderate	24.936 \| fine	37.623 \| good	23.714 \| good	0.62 \| good	14.249 \| good	1.467 \| good
2026-02-11T17:00:00.000Z	81 \| moderate	24.912 \| fine	38.434 \| good	22.411 \| good	0.451 \| good	8.841 \| good	0.301 \| good
2026-02-11T18:00:00.000Z	71 \| moderate	19.917 \| fine	26.695 \| good	20.843 \| good	0.29 \| good	8.614 \| good	0.242 \| good
2026-02-11T19:00:00.000Z	64 \| moderate	16.39 \| fine	23.293 \| good	23.304 \| good	0.204 \| good	8.815 \| good	0.242 \| good
2026-02-11T20:00:00.000Z	54 \| moderate	10.676 \| good	18.041 \| good	28.792 \| good	0.217 \| good	5.388 \| good	0.196 \| good
2026-02-11T21:00:00.000Z	33 \| good	6.39 \| good	19.427 \| good	28.983 \| good	0.157 \| good	5.152 \| good	0.173 \| good
2026-02-11T22:00:00.000Z	27 \| good	4.7 \| good	17.137 \| good	27.317 \| good	0.192 \| good	4.96 \| good	0.138 \| good
2026-02-11T23:00:00.000Z	27 \| good	3.534 \| good	17 \| good	28.503 \| good	0.152 \| good	5.512 \| good	0.173 \| good
2026-02-12T00:00:00.000Z	24 \| good	2.812 \| good	8.027 \| good	25.903 \| good	0.195 \| good	6.529 \| good	0.138 \| good
2026-02-12T01:00:00.000Z	26 \| good	2.802 \| good	9.052 \| good	27.652 \| good	0.181 \| good	6.369 \| good	0.138 \| good
2026-02-12T02:00:00.000Z	25 \| good	2.55 \| good	5.376 \| good	27.312 \| good	0.192 \| good	5.327 \| good	0.138 \| good
2026-02-12T03:00:00.000Z	24 \| good	2.487 \| good	7.124 \| good	26.045 \| good	0.144 \| good	5.625 \| good	0.127 \| good
2026-02-12T04:00:00.000Z	23 \| good	2.756 \| good	15.194 \| good	25.135 \| good	0.211 \| good	5.554 \| good	0.151 \| good
2026-02-12T05:00:00.000Z	25 \| good	2.729 \| good	10.766 \| good	26.89 \| good	0.158 \| good	3.821 \| good	0.127 \| good
2026-02-12T05:00:00.000Z	28 \| good	2.725 \| good	10.206 \| good	30.296 \| good	0.141 \| good	4.093 \| good	0.118 \| good
2026-02-12T05:00:00.000Z	54 \| moderate	11.376 \| good	50.275 \| good	26.269 \| good	0.51 \| good	2.801 \| good	0.172 \| good
2026-02-12T06:00:00.000Z	58 \| moderate	12.687 \| fine	56.812 \| fine	30.616 \| good	0.517 \| good	2.017 \| good	0.172 \| good
2026-02-12T07:00:00.000Z	56 \| moderate	11.528 \| good	51.011 \| good	28.189 \| good	0.468 \| good	1.806 \| good	0.167 \| good
2026-02-12T08:00:00.000Z	54 \| moderate	10.856 \| good	47.714 \| good	28.241 \| good	0.418 \| good	1.595 \| good	0.163 \| good
2026-02-12T09:00:00.000Z	52 \| moderate	9.853 \| good	43.925 \| good	27.323 \| good	0.369 \| good	1.384 \| good	0.158 \| good
2026-02-12T10:00:00.000Z	54 \| moderate	11.264 \| good	49.885 \| good	21.35 \| good	0.363 \| good	1.724 \| good	0.157 \| good
2026-02-12T11:00:00.000Z	38 \| good	7.386 \| good	32.809 \| good	20.644 \| good	0.356 \| good	2.063 \| good	0.157 \| good
2026-02-12T12:00:00.000Z	23 \| good	4.195 \| good	18.386 \| good	25.387 \| good	0.35 \| good	2.402 \| good	0.156 \| good
2026-02-12T13:00:00.000Z	31 \| good	2.178 \| good	9.05 \| good	33.783 \| good	0.355 \| good	2.129 \| good	0.154 \| good
2026-02-12T14:00:00.000Z	35 \| good	1.74 \| good	6.972 \| good	37.502 \| good	0.36 \| good	1.855 \| good	0.151 \| good
2026-02-12T15:00:00.000Z	33 \| good	1.892 \| good	7.869 \| good	35.629 \| good	0.365 \| good	1.582 \| good	0.149 \| good
2026-02-12T16:00:00.000Z	34 \| good	1.89 \| good	7.814 \| good	37.039 \| good	0.359 \| good	1.429 \| good	0.147 \| good
2026-02-12T17:00:00.000Z	35 \| good	0.723 \| good	2.581 \| good	38.247 \| good	0.352 \| good	1.276 \| good	0.145 \| good
2026-02-12T18:00:00.000Z	38 \| good	4.714 \| good	20.527 \| good	40.761 \| good	0.345 \| good	1.124 \| good	0.142 \| good
2026-02-12T19:00:00.000Z	38 \| good	4.09 \| good	17.681 \| good	41.143 \| good	0.347 \| good	1.379 \| good	0.143 \| good
2026-02-12T20:00:00.000Z	37 \| good	2.891 \| good	11.872 \| good	40.251 \| good	0.35 \| good	1.634 \| good	0.144 \| good
2026-02-12T21:00:00.000Z	37 \| good	0.479 \| good	1.913 \| good	40.455 \| good	0.352 \| good	1.89 \| good	0.145 \| good
2026-02-12T22:00:00.000Z	35 \| good	2.676 \| good	11.123 \| good	37.96 \| good	0.358 \| good	2.726 \| good	0.152 \| good
2026-02-12T23:00:00.000Z	30 \| good	2.182 \| good	8.973 \| good	32.464 \| good	0.363 \| good	3.562 \| good	0.158 \| good
2026-02-13T00:00:00.000Z	28 \| good	2.095 \| good	8.92 \| good	30.356 \| good	0.369 \| good	4.399 \| good	0.164 \| good
2026-02-13T01:00:00.000Z	28 \| good	1.711 \| good	7.103 \| good	29.606 \| good	0.369 \| good	4.19 \| good	0.164 \| good
2026-02-13T02:00:00.000Z	31 \| good	3.832 \| good	16.531 \| good	32.516 \| good	0.368 \| good	3.982 \| good	0.164 \| good
2026-02-13T03:00:00.000Z	30 \| good	4.107 \| good	18.191 \| good	32.158 \| good	0.368 \| good	3.774 \| good	0.164 \| good
2026-02-13T04:00:00.000Z	31 \| good	5.008 \| good	21.402 \| good	32.858 \| good	0.346 \| good	3.307 \| good	0.161 \| good
2026-02-13T05:00:00.000Z	33 \| good	6.215 \| good	27.815 \| good	32.639 \| good	0.324 \| good	2.839 \| good	0.158 \| good
2026-02-13T06:00:00.000Z	40 \| good	3.962 \| good	4.264 \| good	43.137 \| good	0.299 \| good	2.336 \| good	0.155 \| good
2026-02-13T07:00:00.000Z	28 \| good	1.921 \| good	8.068 \| good	30.46 \| good	0.293 \| good	2.212 \| good	0.153 \| good
2026-02-13T08:00:00.000Z	26 \| good	1.843 \| good	7.868 \| good	27.752 \| good	0.284 \| good	2.053 \| good	0.152 \| good
2026-02-13T09:00:00.000Z	22 \| good	2.231 \| good	9.116 \| good	23.598 \| good	0.274 \| good	1.894 \| good	0.15 \| good
2026-02-13T10:00:00.000Z	27 \| good	5.057 \| good	21.982 \| good	19.571 \| good	0.299 \| good	2.622 \| good	0.155 \| good
2026-02-13T11:00:00.000Z	33 \| good	5.555 \| good	23.94 \| good	17.692 \| good	0.323 \| good	3.349 \| good	0.161 \| good
2026-02-13T12:00:00.000Z	37 \| good	4.254 \| good	4.445 \| good	39.67 \| good	0.342 \| good	3.998 \| good	0.166 \| good
2026-02-13T13:00:00.000Z	37 \| good	5.178 \| good	5.448 \| good	39.933 \| good	0.388 \| good	3.779 \| good	0.171 \| good
2026-02-13T14:00:00.000Z	37 \| good	5.572 \| good	5.904 \| good	40.195 \| good	0.434 \| good	3.561 \| good	0.175 \| good
2026-02-13T15:00:00.000Z	37 \| good	4.76 \| good	5.049 \| good	40.458 \| good	0.479 \| good	3.342 \| good	0.179 \| good
2026-02-13T16:00:00.000Z	37 \| good	0.686 \| good	2.208 \| good	39.856 \| good	0.494 \| good	3.151 \| good	0.177 \| good
2026-02-13T17:00:00.000Z	37 \| good	0.721 \| good	3 \| good	40.44 \| good	0.501 \| good	2.897 \| good	0.174 \| good
2026-02-13T18:00:00.000Z	39 \| good	4.56 \| good	4.78 \| good	42.221 \| good	0.497 \| good	2.585 \| good	0.171 \| good
2026-02-13T19:00:00.000Z	39 \| good	4.801 \| good	5 \| good	41.821 \| good	0.544 \| good	3.363 \| good	0.175 \| good
2026-02-13T20:00:00.000Z	38 \| good	5.23 \| good	5.399 \| good	41.422 \| good	0.592 \| good	4.14 \| good	0.179 \| good
2026-02-13T21:00:00.000Z	38 \| good	6.141 \| good	6.284 \| good	41.022 \| good	0.639 \| good	4.917 \| good	0.182 \| good
2026-02-13T22:00:00.000Z	49 \| good	9.46 \| good	9.657 \| good	33.121 \| good	0.862 \| good	12.213 \| good	0.229 \| good
2026-02-13T23:00:00.000Z	60 \| moderate	14.209 \| fine	14.571 \| good	25.22 \| good	1.084 \| good	19.508 \| good	0.276 \| good
2026-02-14T00:00:00.000Z	67 \| moderate	17.773 \| fine	18.237 \| good	17.318 \| good	1.307 \| good	26.803 \| good	0.323 \| good
2026-02-14T01:00:00.000Z	33 \| good	5.985 \| good	26.623 \| good	19.951 \| good	1.321 \| good	26.577 \| good	0.325 \| good
2026-02-14T02:00:00.000Z	73 \| moderate	20.709 \| fine	21.228 \| good	16.713 \| good	1.31 \| good	26.02 \| good	0.325 \| good
2026-02-14T03:00:00.000Z	71 \| moderate	20.024 \| fine	20.541 \| good	16.41 \| good	1.311 \| good	25.629 \| good	0.326 \| good
2026-02-14T04:00:00.000Z	69 \| moderate	19.173 \| fine	19.689 \| good	18.942 \| good	1.117 \| good	23.093 \| good	0.312 \| good

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Derby, Connecticut air quality map: Stay updated on AQI near you

0.12ppm

How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, 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 Derby, Connecticut?

The air quality information for Derby, Connecticut is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Derby, Connecticut at its worst?

In the past 24 hours, the air quality in Derby, Connecticut was at its worst at 03:00:00 on 2026-02-11.

When did Derby, Connecticut experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Derby, Connecticut was observed at 03:00:00 on 2026-02-12.

What is the AQI in Derby, Connecticut right now?

As of now, the AQI in Derby, Connecticut is 23, indicating Good conditions.

What is the most common type of pollution in Derby, Connecticut?

Derby, Connecticut air has the highest levels of O3.

What should I do in case of poor air quality in Derby, Connecticut?

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

What is the PM_2.5 level in Derby, Connecticut at the moment?

PM_2.5 levels in Derby, Connecticut are currently 2.504 μg/m³.

What is the PM₁₀ level in Derby, Connecticut at the moment?

The PM₁₀ concentration in Derby, Connecticut is 12.782 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Derby, Connecticut at the moment?

The current carbon monoxide (CO) concentration in Derby, Connecticut is 0.133 ppm.

What is the sulfur dioxide (SO₂) level in Derby, Connecticut at the moment?

Currently, Derby, Connecticut has a sulfur dioxide (SO₂) concentration of 0.209 ppb.

What is the ozone (O₃) level in Derby, Connecticut at the moment?

The current ozone (O₃) level in Derby, Connecticut at the moment is 25.439 ppm.

What is the nitrogen dioxide (NO₂) level in Derby, Connecticut at the moment?

Nitrogen dioxide (NO₂) level in Derby, Connecticut at the moment is 6.1 ppb.

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