What is the current concentration of PM10 in Granby, Connecticut?

The current PM10 concentration at Granby, Connecticut is 11.737 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Granby, Connecticut?

The current sulfur dioxide (SO2) concentration at Granby, Connecticut is 0.155 ppb.

What is the current concentration of ozone (O3) in Granby, Connecticut?

The current ozone (O3) concentration at Granby, Connecticut is 24.545 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Granby, Connecticut?

The current nitrogen dioxide (NO2) concentration at Granby, Connecticut is 6.727 ppb.

Live air quality index in Granby, Connecticut today

Name: Live air pollution levels in Granby, Connecticut today
Creator: Ambee

Stay updated with real-time air quality in Granby, 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

Granby, Connecticut

Last updated: ... (Local time)

Major air pollutants in Granby, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.49 μg/m³

155

255

425

605+

Ozone (O₃)

32.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.15 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Granby, Connecticut

Get Live Pollen Counts

Granby, Connecticut

Scroll To Air Quality Map

Track live Granby, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T19:00:00.000Z	44 \| good	6.985 \| good	19.727 \| good	47.787 \| good	0.389 \| good	3.801 \| good	0.29 \| good
2025-07-12T20:00:00.000Z	44 \| good	5.887 \| good	14.172 \| good	47.918 \| good	0.148 \| good	4.172 \| good	0.29 \| good
2025-07-12T21:00:00.000Z	42 \| good	5.767 \| good	22.529 \| good	45.387 \| good	0.138 \| good	4.231 \| good	0.345 \| good
2025-07-12T22:00:00.000Z	40 \| good	4.635 \| good	9.527 \| good	43.33 \| good	0.17 \| good	3.448 \| good	0.335 \| good
2025-07-12T23:00:00.000Z	40 \| good	4.596 \| good	13.479 \| good	43.252 \| good	0.13 \| good	3.886 \| good	0.324 \| good
2025-07-13T00:00:00.000Z	34 \| good	4.572 \| good	14.192 \| good	37.092 \| good	0.162 \| good	4.464 \| good	0.345 \| good
2025-07-13T01:00:00.000Z	37 \| good	4.34 \| good	12.153 \| good	40.021 \| good	0.178 \| good	5.747 \| good	0.335 \| good
2025-07-13T02:00:00.000Z	30 \| good	4.886 \| good	13.426 \| good	31.795 \| good	0.152 \| good	6.811 \| good	0.309 \| good
2025-07-13T03:00:00.000Z	24 \| good	4.027 \| good	9.657 \| good	26.469 \| good	0.168 \| good	6.077 \| good	0.3 \| good
2025-07-13T04:00:00.000Z	28 \| good	4.055 \| good	7.356 \| good	30.219 \| good	0.29 \| good	4.902 \| good	0.302 \| good
2025-07-13T05:00:00.000Z	23 \| good	4.257 \| good	13.687 \| good	24.814 \| good	0.985 \| good	4.866 \| good	0.311 \| good
2025-07-13T06:00:00.000Z	24 \| good	4.286 \| good	13.478 \| good	26.081 \| good	1.002 \| good	2.909 \| good	0.251 \| good
2025-07-13T07:00:00.000Z	26 \| good	4.483 \| good	21.947 \| good	27.571 \| good	0.961 \| good	3.319 \| good	0.251 \| good
2025-07-13T08:00:00.000Z	20 \| good	3.371 \| good	13.498 \| good	21.561 \| good	0.992 \| good	3.195 \| good	0.251 \| good
2025-07-13T09:00:00.000Z	24 \| good	2.842 \| good	9.547 \| good	26.331 \| good	0.542 \| good	3.332 \| good	0.169 \| good
2025-07-13T10:00:00.000Z	28 \| good	2.199 \| good	3.905 \| good	29.562 \| good	0.505 \| good	2.025 \| good	0.169 \| good
2025-07-13T11:00:00.000Z	26 \| good	1.789 \| good	3.63 \| good	28.477 \| good	0.461 \| good	2.355 \| good	0.227 \| good
2025-07-13T12:00:00.000Z	26 \| good	2.304 \| good	10.296 \| good	28.243 \| good	0.541 \| good	2.566 \| good	0.218 \| good
2025-07-13T13:00:00.000Z	23 \| good	2.533 \| good	8.821 \| good	24.908 \| good	0.522 \| good	3.056 \| good	0.226 \| good
2025-07-13T14:00:00.000Z	27 \| good	1.966 \| good	11.698 \| good	28.945 \| good	0.54 \| good	2.812 \| good	0.226 \| good
2025-07-13T15:00:00.000Z	25 \| good	1.872 \| good	5.531 \| good	27.214 \| good	0.445 \| good	2.51 \| good	0.218 \| good
2025-07-13T16:00:00.000Z	30 \| good	2.357 \| good	12.701 \| good	32.207 \| good	0.14 \| good	2.766 \| good	0.267 \| good
2025-07-13T17:00:00.000Z	31 \| good	1.897 \| good	6.626 \| good	32.72 \| good	0.128 \| good	3.134 \| good	0.276 \| good
2025-07-13T18:00:00.000Z	30 \| good	2.425 \| good	12.84 \| good	31.732 \| good	0.148 \| good	2.944 \| good	0.267 \| good
2025-07-13T19:00:00.000Z	28 \| good	2.522 \| good	7.045 \| good	30.01 \| good	0.137 \| good	2.956 \| good	0.275 \| good
2025-07-13T20:00:00.000Z	31 \| good	2.943 \| good	8.183 \| good	32.668 \| good	0.137 \| good	2.702 \| good	0.267 \| good
2025-07-13T21:00:00.000Z	31 \| good	3.402 \| good	10.464 \| good	33.241 \| good	0.158 \| good	2.939 \| good	0.267 \| good
2025-07-13T22:00:00.000Z	34 \| good	2.965 \| good	8.877 \| good	36.561 \| good	0.128 \| good	3.107 \| good	0.267 \| good
2025-07-13T23:00:00.000Z	33 \| good	3.377 \| good	9.439 \| good	35.732 \| good	0.128 \| good	3.135 \| good	0.267 \| good
2025-07-14T00:00:00.000Z	32 \| good	3.437 \| good	10.031 \| good	34.567 \| good	0.144 \| good	3.732 \| good	0.267 \| good
2025-07-14T01:00:00.000Z	30 \| good	3.488 \| good	8.84 \| good	32.49 \| good	0.132 \| good	4.324 \| good	0.289 \| good
2025-07-14T02:00:00.000Z	31 \| good	3.385 \| good	12.304 \| good	34.333 \| good	0.165 \| good	4.869 \| good	0.289 \| good
2025-07-14T03:00:00.000Z	30 \| good	3.66 \| good	10.203 \| good	32.08 \| good	0.301 \| good	4.884 \| good	0.267 \| good
2025-07-14T04:00:00.000Z	29 \| good	3.594 \| good	10.462 \| good	30.912 \| good	0.318 \| good	4.248 \| good	0.218 \| good
2025-07-14T05:00:00.000Z	28 \| good	3.783 \| good	10.695 \| good	30.126 \| good	1.02 \| good	5.232 \| good	0.227 \| good
2025-07-14T06:00:00.000Z	25 \| good	3.944 \| good	9.099 \| good	27.349 \| good	1.005 \| good	4.835 \| good	0.176 \| good
2025-07-14T07:00:00.000Z	26 \| good	4.047 \| good	8.156 \| good	28.26 \| good	0.578 \| good	3.61 \| good	0.168 \| good
2025-07-14T08:00:00.000Z	27 \| good	3.985 \| good	13.027 \| good	28.845 \| good	0.616 \| good	4.081 \| good	0.16 \| good
2025-07-14T09:00:00.000Z	24 \| good	4.23 \| good	10.478 \| good	25.79 \| good	0.251 \| good	4.694 \| good	0.215 \| good
2025-07-14T10:00:00.000Z	26 \| good	3.75 \| good	10.542 \| good	27.561 \| good	0.579 \| good	5.539 \| good	0.281 \| good
2025-07-14T11:00:00.000Z	22 \| good	3.886 \| good	12.009 \| good	24.315 \| good	0.232 \| good	6.343 \| good	0.341 \| good
2025-07-14T12:00:00.000Z	27 \| good	4.718 \| good	8.165 \| good	24.205 \| good	0.161 \| good	7.338 \| good	0.267 \| good
2025-07-14T13:00:00.000Z	27 \| good	4.961 \| good	11.737 \| good	24.545 \| good	0.155 \| good	6.727 \| good	0.324 \| good
2025-07-14T14:00:00.000Z	27 \| good	4.781 \| good	11.637 \| good	26.57 \| good	0.19 \| good	6.274 \| good	0.261 \| good
2025-07-14T15:00:00.000Z	27 \| good	4.82 \| good	12.507 \| good	23.981 \| good	0.174 \| good	5.546 \| good	0.267 \| good
2025-07-14T16:00:00.000Z	27 \| good	5.266 \| good	17.279 \| good	24.733 \| good	0.188 \| good	5.771 \| good	0.306 \| good
2025-07-14T17:00:00.000Z	27 \| good	5.158 \| good	15.399 \| good	27.736 \| good	0.141 \| good	6.156 \| good	0.306 \| good
2025-07-14T18:00:00.000Z	31 \| good	5.492 \| good	17.493 \| good	32.85 \| good	0.148 \| good	6.235 \| good	0.261 \| good
2025-07-14T18:00:00.000Z	31 \| good	5.492 \| good	17.493 \| good	32.85 \| good	0.148 \| good	6.235 \| good	0.261 \| good
2025-07-14T15:00:00.000Z	31 \| good	2.943 \| good	12.116 \| good	34.052 \| good	0.276 \| good	2.291 \| good	0.131 \| good
2025-07-14T16:00:00.000Z	33 \| good	3.323 \| good	14.968 \| good	36.037 \| good	0.295 \| good	1.853 \| good	0.136 \| good
2025-07-14T17:00:00.000Z	36 \| good	3.987 \| good	17.03 \| good	38.534 \| good	0.315 \| good	1.415 \| good	0.14 \| good
2025-07-14T18:00:00.000Z	39 \| good	4.684 \| good	20.068 \| good	42.413 \| good	0.335 \| good	0.977 \| good	0.144 \| good
2025-07-14T19:00:00.000Z	43 \| good	4.871 \| good	21.019 \| good	46.209 \| good	0.333 \| good	1.396 \| good	0.147 \| good
2025-07-14T20:00:00.000Z	44 \| good	5.565 \| good	24.067 \| good	47.573 \| good	0.331 \| good	1.815 \| good	0.151 \| good
2025-07-14T21:00:00.000Z	48 \| good	6.315 \| good	28.026 \| good	51.871 \| good	0.33 \| good	2.234 \| good	0.155 \| good
2025-07-14T22:00:00.000Z	45 \| good	5.504 \| good	23.925 \| good	48.836 \| good	0.359 \| good	3.196 \| good	0.169 \| good
2025-07-14T23:00:00.000Z	41 \| good	3.17 \| good	13.956 \| good	44.428 \| good	0.389 \| good	4.158 \| good	0.184 \| good
2025-07-15T00:00:00.000Z	43 \| good	3.613 \| good	15.986 \| good	45.836 \| good	0.418 \| good	5.12 \| good	0.198 \| good
2025-07-15T01:00:00.000Z	42 \| good	2.928 \| good	12.066 \| good	44.683 \| good	0.527 \| good	5.44 \| good	0.203 \| good
2025-07-15T02:00:00.000Z	39 \| good	3.605 \| good	15.988 \| good	41.991 \| good	0.637 \| good	5.76 \| good	0.208 \| good
2025-07-15T03:00:00.000Z	38 \| good	3.644 \| good	16.032 \| good	40.596 \| good	0.746 \| good	6.08 \| good	0.214 \| good
2025-07-15T04:00:00.000Z	34 \| good	3.524 \| good	15.907 \| good	37.147 \| good	0.811 \| good	6.036 \| good	0.207 \| good
2025-07-15T05:00:00.000Z	33 \| good	3.289 \| good	14.096 \| good	36.252 \| good	0.877 \| good	5.992 \| good	0.2 \| good
2025-07-15T06:00:00.000Z	31 \| good	3.281 \| good	14.032 \| good	33.708 \| good	0.942 \| good	5.949 \| good	0.193 \| good
2025-07-15T07:00:00.000Z	27 \| good	3.404 \| good	15.026 \| good	29.155 \| good	0.818 \| good	5.468 \| good	0.194 \| good
2025-07-15T08:00:00.000Z	24 \| good	3.44 \| good	14.994 \| good	25.994 \| good	0.693 \| good	4.988 \| good	0.195 \| good
2025-07-15T09:00:00.000Z	24 \| good	2.32 \| good	9.925 \| good	25.873 \| good	0.569 \| good	4.508 \| good	0.195 \| good
2025-07-15T10:00:00.000Z	20 \| good	2.971 \| good	12.119 \| good	21.643 \| good	0.426 \| good	3.767 \| good	0.196 \| good
2025-07-15T11:00:00.000Z	23 \| good	3.165 \| good	13.918 \| good	24.649 \| good	0.283 \| good	3.027 \| good	0.196 \| good
2025-07-15T12:00:00.000Z	27 \| good	2.971 \| good	12.124 \| good	29.274 \| good	0.139 \| good	2.286 \| good	0.197 \| good
2025-07-15T13:00:00.000Z	29 \| good	4.377 \| good	19.01 \| good	31.367 \| good	0.158 \| good	1.935 \| good	0.199 \| good
2025-07-15T14:00:00.000Z	49 \| good	8.721 \| good	38.046 \| good	31.512 \| good	0.176 \| good	1.583 \| good	0.201 \| good
2025-07-15T15:00:00.000Z	56 \| moderate	12.418 \| fine	56.781 \| fine	35.996 \| good	0.195 \| good	1.232 \| good	0.203 \| good
2025-07-15T16:00:00.000Z	58 \| moderate	13.046 \| fine	59 \| fine	39.417 \| good	0.197 \| good	1.082 \| good	0.2 \| good
2025-07-15T17:00:00.000Z	58 \| moderate	12.71 \| fine	57.065 \| fine	41.591 \| good	0.2 \| good	0.933 \| good	0.198 \| good
2025-07-15T18:00:00.000Z	56 \| moderate	11.629 \| good	51.135 \| good	41.578 \| good	0.202 \| good	0.784 \| good	0.196 \| good
2025-07-15T19:00:00.000Z	52 \| moderate	10.375 \| good	45.992 \| good	42.454 \| good	0.215 \| good	0.897 \| good	0.196 \| good
2025-07-15T20:00:00.000Z	52 \| moderate	9.923 \| good	44.013 \| good	45.114 \| good	0.228 \| good	1.01 \| good	0.196 \| good
2025-07-15T21:00:00.000Z	52 \| moderate	9.763 \| good	43.063 \| good	46.048 \| good	0.241 \| good	1.124 \| good	0.196 \| good
2025-07-15T22:00:00.000Z	44 \| good	6.515 \| good	28.82 \| good	47.581 \| good	0.283 \| good	2.368 \| good	0.21 \| good
2025-07-15T23:00:00.000Z	46 \| good	3.471 \| good	14.936 \| good	50.417 \| good	0.324 \| good	3.612 \| good	0.225 \| good
2025-07-16T00:00:00.000Z	41 \| good	3.618 \| good	16.011 \| good	44.477 \| good	0.365 \| good	4.855 \| good	0.239 \| good
2025-07-16T01:00:00.000Z	36 \| good	4.014 \| good	17.964 \| good	39.424 \| good	0.458 \| good	5.121 \| good	0.242 \| good
2025-07-16T02:00:00.000Z	34 \| good	5.037 \| good	21.946 \| good	36.581 \| good	0.55 \| good	5.386 \| good	0.245 \| good
2025-07-16T03:00:00.000Z	33 \| good	5.523 \| good	23.929 \| good	36.064 \| good	0.643 \| good	5.651 \| good	0.248 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.414 \| good	28.944 \| good	35.57 \| good	0.796 \| good	5.656 \| good	0.253 \| good
2025-07-16T05:00:00.000Z	44 \| good	7.693 \| good	33.989 \| good	37.881 \| good	0.95 \| good	5.661 \| good	0.257 \| good
2025-07-16T06:00:00.000Z	44 \| good	8.483 \| good	37.106 \| good	42.288 \| good	1.103 \| good	5.667 \| good	0.262 \| good
2025-07-16T07:00:00.000Z	49 \| good	8.824 \| good	39.078 \| good	41.601 \| good	0.932 \| good	5.434 \| good	0.264 \| good
2025-07-16T08:00:00.000Z	52 \| moderate	9.62 \| good	43.007 \| good	40.232 \| good	0.76 \| good	5.201 \| good	0.266 \| good
2025-07-16T09:00:00.000Z	49 \| good	9.374 \| good	42.03 \| good	41.041 \| good	0.589 \| good	4.968 \| good	0.269 \| good
2025-07-16T10:00:00.000Z	49 \| good	8.89 \| good	39.087 \| good	34.667 \| good	0.501 \| good	4.386 \| good	0.266 \| good
2025-07-16T11:00:00.000Z	49 \| good	9.052 \| good	40.904 \| good	35.869 \| good	0.413 \| good	3.805 \| good	0.263 \| good
2025-07-16T12:00:00.000Z	49 \| good	8.657 \| good	38.111 \| good	42.701 \| good	0.325 \| good	3.223 \| good	0.26 \| good
2025-07-16T13:00:00.000Z	45 \| good	8.077 \| good	35.139 \| good	48.664 \| good	0.401 \| good	2.677 \| good	0.255 \| good
2025-07-16T14:00:00.000Z	51 \| moderate	8.06 \| good	35.16 \| good	54.865 \| good	0.478 \| good	2.13 \| good	0.25 \| good

Granby

Get reliable air quality data to drive your business

Granby, Connecticut air quality map: Track AQI near you

0.45ppm

How accurate is Connecticut, USA air quality data?

Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

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 often is the air quality data for Granby, Connecticut updated?

The air quality for Granby, Connecticut is updated every hour.

When was the worst air quality at Granby, Connecticut in the last 24 hrs?

The worst air quality in Granby, Connecticut in the last 24 hours was observed at 10:00:00 on 2025-07-13.

When was the best air quality at Granby, Connecticut in the last 24 hrs?

In the last 24 hrs, the best air quality in Granby, Connecticut was observed at 11:00:00 on 2025-07-14.

What is the current air quality in Granby, Connecticut?

The current air quality in Granby, Connecticut is 27, categorized as Good based on real-time data.

What pollutant is the most common in Granby, Connecticut?

The most common pollutant in Granby, Connecticut is PM2.5.

What should I do if the air quality in Granby, Connecticut is poor?

If the air quality in Granby, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Granby, Connecticut?

The current PM_2.5 concentration at Granby, Connecticut is 4.961 μg/m³.

What is the current concentration of PM₁₀ in Granby, Connecticut?

The current PM₁₀ concentration at Granby, Connecticut is 11.737 μg/m³.

What is the current concentration of carbon monoxide (CO) in Granby, Connecticut?

The current carbon monoxide (CO) concentration at Granby, Connecticut is 0.324 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Granby, Connecticut?

The current sulfur dioxide (SO₂) concentration at Granby, Connecticut is 0.155 ppb.

What is the current concentration of ozone (O₃) in Granby, Connecticut?

The current ozone (O₃) concentration at Granby, Connecticut is 24.545 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Granby, Connecticut?

The current nitrogen dioxide (NO₂) concentration at Granby, Connecticut is 6.727 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T19:00:00.000Z	44 \| good	6.985 \| good	19.727 \| good	47.787 \| good	0.389 \| good	3.801 \| good	0.29 \| good
2025-07-12T20:00:00.000Z	44 \| good	5.887 \| good	14.172 \| good	47.918 \| good	0.148 \| good	4.172 \| good	0.29 \| good
2025-07-12T21:00:00.000Z	42 \| good	5.767 \| good	22.529 \| good	45.387 \| good	0.138 \| good	4.231 \| good	0.345 \| good
2025-07-12T22:00:00.000Z	40 \| good	4.635 \| good	9.527 \| good	43.33 \| good	0.17 \| good	3.448 \| good	0.335 \| good
2025-07-12T23:00:00.000Z	40 \| good	4.596 \| good	13.479 \| good	43.252 \| good	0.13 \| good	3.886 \| good	0.324 \| good
2025-07-13T00:00:00.000Z	34 \| good	4.572 \| good	14.192 \| good	37.092 \| good	0.162 \| good	4.464 \| good	0.345 \| good
2025-07-13T01:00:00.000Z	37 \| good	4.34 \| good	12.153 \| good	40.021 \| good	0.178 \| good	5.747 \| good	0.335 \| good
2025-07-13T02:00:00.000Z	30 \| good	4.886 \| good	13.426 \| good	31.795 \| good	0.152 \| good	6.811 \| good	0.309 \| good
2025-07-13T03:00:00.000Z	24 \| good	4.027 \| good	9.657 \| good	26.469 \| good	0.168 \| good	6.077 \| good	0.3 \| good
2025-07-13T04:00:00.000Z	28 \| good	4.055 \| good	7.356 \| good	30.219 \| good	0.29 \| good	4.902 \| good	0.302 \| good
2025-07-13T05:00:00.000Z	23 \| good	4.257 \| good	13.687 \| good	24.814 \| good	0.985 \| good	4.866 \| good	0.311 \| good
2025-07-13T06:00:00.000Z	24 \| good	4.286 \| good	13.478 \| good	26.081 \| good	1.002 \| good	2.909 \| good	0.251 \| good
2025-07-13T07:00:00.000Z	26 \| good	4.483 \| good	21.947 \| good	27.571 \| good	0.961 \| good	3.319 \| good	0.251 \| good
2025-07-13T08:00:00.000Z	20 \| good	3.371 \| good	13.498 \| good	21.561 \| good	0.992 \| good	3.195 \| good	0.251 \| good
2025-07-13T09:00:00.000Z	24 \| good	2.842 \| good	9.547 \| good	26.331 \| good	0.542 \| good	3.332 \| good	0.169 \| good
2025-07-13T10:00:00.000Z	28 \| good	2.199 \| good	3.905 \| good	29.562 \| good	0.505 \| good	2.025 \| good	0.169 \| good
2025-07-13T11:00:00.000Z	26 \| good	1.789 \| good	3.63 \| good	28.477 \| good	0.461 \| good	2.355 \| good	0.227 \| good
2025-07-13T12:00:00.000Z	26 \| good	2.304 \| good	10.296 \| good	28.243 \| good	0.541 \| good	2.566 \| good	0.218 \| good
2025-07-13T13:00:00.000Z	23 \| good	2.533 \| good	8.821 \| good	24.908 \| good	0.522 \| good	3.056 \| good	0.226 \| good
2025-07-13T14:00:00.000Z	27 \| good	1.966 \| good	11.698 \| good	28.945 \| good	0.54 \| good	2.812 \| good	0.226 \| good
2025-07-13T15:00:00.000Z	25 \| good	1.872 \| good	5.531 \| good	27.214 \| good	0.445 \| good	2.51 \| good	0.218 \| good
2025-07-13T16:00:00.000Z	30 \| good	2.357 \| good	12.701 \| good	32.207 \| good	0.14 \| good	2.766 \| good	0.267 \| good
2025-07-13T17:00:00.000Z	31 \| good	1.897 \| good	6.626 \| good	32.72 \| good	0.128 \| good	3.134 \| good	0.276 \| good
2025-07-13T18:00:00.000Z	30 \| good	2.425 \| good	12.84 \| good	31.732 \| good	0.148 \| good	2.944 \| good	0.267 \| good
2025-07-13T19:00:00.000Z	28 \| good	2.522 \| good	7.045 \| good	30.01 \| good	0.137 \| good	2.956 \| good	0.275 \| good
2025-07-13T20:00:00.000Z	31 \| good	2.943 \| good	8.183 \| good	32.668 \| good	0.137 \| good	2.702 \| good	0.267 \| good
2025-07-13T21:00:00.000Z	31 \| good	3.402 \| good	10.464 \| good	33.241 \| good	0.158 \| good	2.939 \| good	0.267 \| good
2025-07-13T22:00:00.000Z	34 \| good	2.965 \| good	8.877 \| good	36.561 \| good	0.128 \| good	3.107 \| good	0.267 \| good
2025-07-13T23:00:00.000Z	33 \| good	3.377 \| good	9.439 \| good	35.732 \| good	0.128 \| good	3.135 \| good	0.267 \| good
2025-07-14T00:00:00.000Z	32 \| good	3.437 \| good	10.031 \| good	34.567 \| good	0.144 \| good	3.732 \| good	0.267 \| good
2025-07-14T01:00:00.000Z	30 \| good	3.488 \| good	8.84 \| good	32.49 \| good	0.132 \| good	4.324 \| good	0.289 \| good
2025-07-14T02:00:00.000Z	31 \| good	3.385 \| good	12.304 \| good	34.333 \| good	0.165 \| good	4.869 \| good	0.289 \| good
2025-07-14T03:00:00.000Z	30 \| good	3.66 \| good	10.203 \| good	32.08 \| good	0.301 \| good	4.884 \| good	0.267 \| good
2025-07-14T04:00:00.000Z	29 \| good	3.594 \| good	10.462 \| good	30.912 \| good	0.318 \| good	4.248 \| good	0.218 \| good
2025-07-14T05:00:00.000Z	28 \| good	3.783 \| good	10.695 \| good	30.126 \| good	1.02 \| good	5.232 \| good	0.227 \| good
2025-07-14T06:00:00.000Z	25 \| good	3.944 \| good	9.099 \| good	27.349 \| good	1.005 \| good	4.835 \| good	0.176 \| good
2025-07-14T07:00:00.000Z	26 \| good	4.047 \| good	8.156 \| good	28.26 \| good	0.578 \| good	3.61 \| good	0.168 \| good
2025-07-14T08:00:00.000Z	27 \| good	3.985 \| good	13.027 \| good	28.845 \| good	0.616 \| good	4.081 \| good	0.16 \| good
2025-07-14T09:00:00.000Z	24 \| good	4.23 \| good	10.478 \| good	25.79 \| good	0.251 \| good	4.694 \| good	0.215 \| good
2025-07-14T10:00:00.000Z	26 \| good	3.75 \| good	10.542 \| good	27.561 \| good	0.579 \| good	5.539 \| good	0.281 \| good
2025-07-14T11:00:00.000Z	22 \| good	3.886 \| good	12.009 \| good	24.315 \| good	0.232 \| good	6.343 \| good	0.341 \| good
2025-07-14T12:00:00.000Z	27 \| good	4.718 \| good	8.165 \| good	24.205 \| good	0.161 \| good	7.338 \| good	0.267 \| good
2025-07-14T13:00:00.000Z	27 \| good	4.961 \| good	11.737 \| good	24.545 \| good	0.155 \| good	6.727 \| good	0.324 \| good
2025-07-14T14:00:00.000Z	27 \| good	4.781 \| good	11.637 \| good	26.57 \| good	0.19 \| good	6.274 \| good	0.261 \| good
2025-07-14T15:00:00.000Z	27 \| good	4.82 \| good	12.507 \| good	23.981 \| good	0.174 \| good	5.546 \| good	0.267 \| good
2025-07-14T16:00:00.000Z	27 \| good	5.266 \| good	17.279 \| good	24.733 \| good	0.188 \| good	5.771 \| good	0.306 \| good
2025-07-14T17:00:00.000Z	27 \| good	5.158 \| good	15.399 \| good	27.736 \| good	0.141 \| good	6.156 \| good	0.306 \| good
2025-07-14T18:00:00.000Z	31 \| good	5.492 \| good	17.493 \| good	32.85 \| good	0.148 \| good	6.235 \| good	0.261 \| good
2025-07-14T18:00:00.000Z	31 \| good	5.492 \| good	17.493 \| good	32.85 \| good	0.148 \| good	6.235 \| good	0.261 \| good
2025-07-14T15:00:00.000Z	31 \| good	2.943 \| good	12.116 \| good	34.052 \| good	0.276 \| good	2.291 \| good	0.131 \| good
2025-07-14T16:00:00.000Z	33 \| good	3.323 \| good	14.968 \| good	36.037 \| good	0.295 \| good	1.853 \| good	0.136 \| good
2025-07-14T17:00:00.000Z	36 \| good	3.987 \| good	17.03 \| good	38.534 \| good	0.315 \| good	1.415 \| good	0.14 \| good
2025-07-14T18:00:00.000Z	39 \| good	4.684 \| good	20.068 \| good	42.413 \| good	0.335 \| good	0.977 \| good	0.144 \| good
2025-07-14T19:00:00.000Z	43 \| good	4.871 \| good	21.019 \| good	46.209 \| good	0.333 \| good	1.396 \| good	0.147 \| good
2025-07-14T20:00:00.000Z	44 \| good	5.565 \| good	24.067 \| good	47.573 \| good	0.331 \| good	1.815 \| good	0.151 \| good
2025-07-14T21:00:00.000Z	48 \| good	6.315 \| good	28.026 \| good	51.871 \| good	0.33 \| good	2.234 \| good	0.155 \| good
2025-07-14T22:00:00.000Z	45 \| good	5.504 \| good	23.925 \| good	48.836 \| good	0.359 \| good	3.196 \| good	0.169 \| good
2025-07-14T23:00:00.000Z	41 \| good	3.17 \| good	13.956 \| good	44.428 \| good	0.389 \| good	4.158 \| good	0.184 \| good
2025-07-15T00:00:00.000Z	43 \| good	3.613 \| good	15.986 \| good	45.836 \| good	0.418 \| good	5.12 \| good	0.198 \| good
2025-07-15T01:00:00.000Z	42 \| good	2.928 \| good	12.066 \| good	44.683 \| good	0.527 \| good	5.44 \| good	0.203 \| good
2025-07-15T02:00:00.000Z	39 \| good	3.605 \| good	15.988 \| good	41.991 \| good	0.637 \| good	5.76 \| good	0.208 \| good
2025-07-15T03:00:00.000Z	38 \| good	3.644 \| good	16.032 \| good	40.596 \| good	0.746 \| good	6.08 \| good	0.214 \| good
2025-07-15T04:00:00.000Z	34 \| good	3.524 \| good	15.907 \| good	37.147 \| good	0.811 \| good	6.036 \| good	0.207 \| good
2025-07-15T05:00:00.000Z	33 \| good	3.289 \| good	14.096 \| good	36.252 \| good	0.877 \| good	5.992 \| good	0.2 \| good
2025-07-15T06:00:00.000Z	31 \| good	3.281 \| good	14.032 \| good	33.708 \| good	0.942 \| good	5.949 \| good	0.193 \| good
2025-07-15T07:00:00.000Z	27 \| good	3.404 \| good	15.026 \| good	29.155 \| good	0.818 \| good	5.468 \| good	0.194 \| good
2025-07-15T08:00:00.000Z	24 \| good	3.44 \| good	14.994 \| good	25.994 \| good	0.693 \| good	4.988 \| good	0.195 \| good
2025-07-15T09:00:00.000Z	24 \| good	2.32 \| good	9.925 \| good	25.873 \| good	0.569 \| good	4.508 \| good	0.195 \| good
2025-07-15T10:00:00.000Z	20 \| good	2.971 \| good	12.119 \| good	21.643 \| good	0.426 \| good	3.767 \| good	0.196 \| good
2025-07-15T11:00:00.000Z	23 \| good	3.165 \| good	13.918 \| good	24.649 \| good	0.283 \| good	3.027 \| good	0.196 \| good
2025-07-15T12:00:00.000Z	27 \| good	2.971 \| good	12.124 \| good	29.274 \| good	0.139 \| good	2.286 \| good	0.197 \| good
2025-07-15T13:00:00.000Z	29 \| good	4.377 \| good	19.01 \| good	31.367 \| good	0.158 \| good	1.935 \| good	0.199 \| good
2025-07-15T14:00:00.000Z	49 \| good	8.721 \| good	38.046 \| good	31.512 \| good	0.176 \| good	1.583 \| good	0.201 \| good
2025-07-15T15:00:00.000Z	56 \| moderate	12.418 \| fine	56.781 \| fine	35.996 \| good	0.195 \| good	1.232 \| good	0.203 \| good
2025-07-15T16:00:00.000Z	58 \| moderate	13.046 \| fine	59 \| fine	39.417 \| good	0.197 \| good	1.082 \| good	0.2 \| good
2025-07-15T17:00:00.000Z	58 \| moderate	12.71 \| fine	57.065 \| fine	41.591 \| good	0.2 \| good	0.933 \| good	0.198 \| good
2025-07-15T18:00:00.000Z	56 \| moderate	11.629 \| good	51.135 \| good	41.578 \| good	0.202 \| good	0.784 \| good	0.196 \| good
2025-07-15T19:00:00.000Z	52 \| moderate	10.375 \| good	45.992 \| good	42.454 \| good	0.215 \| good	0.897 \| good	0.196 \| good
2025-07-15T20:00:00.000Z	52 \| moderate	9.923 \| good	44.013 \| good	45.114 \| good	0.228 \| good	1.01 \| good	0.196 \| good
2025-07-15T21:00:00.000Z	52 \| moderate	9.763 \| good	43.063 \| good	46.048 \| good	0.241 \| good	1.124 \| good	0.196 \| good
2025-07-15T22:00:00.000Z	44 \| good	6.515 \| good	28.82 \| good	47.581 \| good	0.283 \| good	2.368 \| good	0.21 \| good
2025-07-15T23:00:00.000Z	46 \| good	3.471 \| good	14.936 \| good	50.417 \| good	0.324 \| good	3.612 \| good	0.225 \| good
2025-07-16T00:00:00.000Z	41 \| good	3.618 \| good	16.011 \| good	44.477 \| good	0.365 \| good	4.855 \| good	0.239 \| good
2025-07-16T01:00:00.000Z	36 \| good	4.014 \| good	17.964 \| good	39.424 \| good	0.458 \| good	5.121 \| good	0.242 \| good
2025-07-16T02:00:00.000Z	34 \| good	5.037 \| good	21.946 \| good	36.581 \| good	0.55 \| good	5.386 \| good	0.245 \| good
2025-07-16T03:00:00.000Z	33 \| good	5.523 \| good	23.929 \| good	36.064 \| good	0.643 \| good	5.651 \| good	0.248 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.414 \| good	28.944 \| good	35.57 \| good	0.796 \| good	5.656 \| good	0.253 \| good
2025-07-16T05:00:00.000Z	44 \| good	7.693 \| good	33.989 \| good	37.881 \| good	0.95 \| good	5.661 \| good	0.257 \| good
2025-07-16T06:00:00.000Z	44 \| good	8.483 \| good	37.106 \| good	42.288 \| good	1.103 \| good	5.667 \| good	0.262 \| good
2025-07-16T07:00:00.000Z	49 \| good	8.824 \| good	39.078 \| good	41.601 \| good	0.932 \| good	5.434 \| good	0.264 \| good
2025-07-16T08:00:00.000Z	52 \| moderate	9.62 \| good	43.007 \| good	40.232 \| good	0.76 \| good	5.201 \| good	0.266 \| good
2025-07-16T09:00:00.000Z	49 \| good	9.374 \| good	42.03 \| good	41.041 \| good	0.589 \| good	4.968 \| good	0.269 \| good
2025-07-16T10:00:00.000Z	49 \| good	8.89 \| good	39.087 \| good	34.667 \| good	0.501 \| good	4.386 \| good	0.266 \| good
2025-07-16T11:00:00.000Z	49 \| good	9.052 \| good	40.904 \| good	35.869 \| good	0.413 \| good	3.805 \| good	0.263 \| good
2025-07-16T12:00:00.000Z	49 \| good	8.657 \| good	38.111 \| good	42.701 \| good	0.325 \| good	3.223 \| good	0.26 \| good
2025-07-16T13:00:00.000Z	45 \| good	8.077 \| good	35.139 \| good	48.664 \| good	0.401 \| good	2.677 \| good	0.255 \| good
2025-07-16T14:00:00.000Z	51 \| moderate	8.06 \| good	35.16 \| good	54.865 \| good	0.478 \| good	2.13 \| good	0.25 \| good

Live air quality index in Granby, Connecticut today

Major air pollutants in Granby, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Granby, Connecticut air quality forecast and history

Get reliable air quality data to drive your business

Granby, Connecticut air quality map: Track AQI near you

Air quality in nearby cities

Suffield, Connecticut

Simsbury, Connecticut

Windsor Locks, Connecticut

Bloomfield, Connecticut

Avon, Connecticut

Windsor, Connecticut

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Granby, Connecticut updated?

When was the worst air quality at Granby, Connecticut in the last 24 hrs?

When was the best air quality at Granby, Connecticut in the last 24 hrs?

What is the current air quality in Granby, Connecticut?

What pollutant is the most common in Granby, Connecticut?

What should I do if the air quality in Granby, Connecticut is poor?

What is the current concentration of PM2.5 in Granby, Connecticut?

What is the current concentration of PM10 in Granby, Connecticut?

What is the current concentration of carbon monoxide (CO) in Granby, Connecticut?

What is the current concentration of sulfur dioxide (SO2) in Granby, Connecticut?

What is the current concentration of ozone (O3) in Granby, Connecticut?

What is the current concentration of nitrogen dioxide (NO2) in Granby, Connecticut?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Granby, Connecticut?

What is the current concentration of PM₁₀ in Granby, Connecticut?

What is the current concentration of sulfur dioxide (SO₂) in Granby, Connecticut?

What is the current concentration of ozone (O₃) in Granby, Connecticut?

What is the current concentration of nitrogen dioxide (NO₂) in Granby, Connecticut?