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

The current PM10 concentration at Granby, Connecticut is 28.225 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Granby, Connecticut is 0.31 ppb.

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

The current ozone (O3) concentration at Granby, Connecticut is 26.329 ppm.

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

The current nitrogen dioxide (NO2) concentration at Granby, Connecticut is 23.264 ppb.

Granby, Connecticut live air quality index now

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

The current PM2.5 concentration at Granby, Connecticut is 7.412 μg/m3.

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)

7.41 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.23 μg/m³

155

255

425

605+

Ozone (O₃)

26.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 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
2025-12-27T02:00:00.000Z	28 \| good	3.853 \| good	10.542 \| good	30.255 \| good	0.216 \| good	10.748 \| good	0.2 \| good
2025-12-27T03:00:00.000Z	25 \| good	3.272 \| good	24.321 \| good	27.015 \| good	0.205 \| good	10.196 \| good	0.155 \| good
2025-12-27T04:00:00.000Z	26 \| good	3.52 \| good	11.225 \| good	28.294 \| good	0.206 \| good	11.069 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	28 \| good	4.395 \| good	30.056 \| good	27.301 \| good	0.196 \| good	9.56 \| good	0.216 \| good
2025-12-27T06:00:00.000Z	27 \| good	5.031 \| good	19.934 \| good	25.288 \| good	0.196 \| good	8.234 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	22 \| good	3.826 \| good	16.402 \| good	22.998 \| good	0.196 \| good	7.432 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	27 \| good	4.646 \| good	13.212 \| good	27.386 \| good	0.15 \| good	6.949 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	27 \| good	3.634 \| good	12.245 \| good	28.87 \| good	0.224 \| good	7.908 \| good	0.155 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.786 \| good	14.193 \| good	23.059 \| good	0.182 \| good	9.225 \| good	0.144 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.673 \| good	22.159 \| good	23.519 \| good	0.187 \| good	7.814 \| good	0.134 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.673 \| good	21.547 \| good	27.252 \| good	0.138 \| good	8.461 \| good	0.134 \| good
2025-12-27T13:00:00.000Z	29 \| good	3.856 \| good	14.293 \| good	31.279 \| good	0.167 \| good	7.375 \| good	0.134 \| good
2025-12-27T14:00:00.000Z	26 \| good	3.864 \| good	16.136 \| good	28.471 \| good	0.232 \| good	6.897 \| good	0.178 \| good
2025-12-27T15:00:00.000Z	27 \| good	4.006 \| good	17.202 \| good	29.338 \| good	0.21 \| good	6.25 \| good	0.178 \| good
2025-12-27T16:00:00.000Z	28 \| good	3.761 \| good	18.826 \| good	29.878 \| good	0.2 \| good	5.474 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.673 \| good	19.051 \| good	29.538 \| good	0.2 \| good	6.011 \| good	0.221 \| good
2025-12-27T18:00:00.000Z	29 \| good	4.265 \| good	17.05 \| good	31.144 \| good	0.21 \| good	5.775 \| good	0.165 \| good
2025-12-27T19:00:00.000Z	31 \| good	4.203 \| good	18.717 \| good	33.737 \| good	0.21 \| good	5.905 \| good	0.165 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.816 \| good	5.713 \| good	33.07 \| good	0.21 \| good	6.007 \| good	0.157 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.915 \| good	4.541 \| good	33.617 \| good	0.21 \| good	3.839 \| good	0.175 \| good
2025-12-27T22:00:00.000Z	26 \| good	4.373 \| good	16.93 \| good	28.086 \| good	0.209 \| good	7.929 \| good	0.246 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.695 \| good	19.861 \| good	29.235 \| good	0.288 \| good	6.383 \| good	0.326 \| good
2025-12-28T00:00:00.000Z	28 \| good	4.837 \| good	10.037 \| good	29.707 \| good	0.337 \| good	14.417 \| good	0.442 \| good
2025-12-28T01:00:00.000Z	27 \| good	5.261 \| good	18.268 \| good	22.625 \| good	0.531 \| good	10.564 \| good	0.59 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.423 \| good	17.546 \| good	23.379 \| good	0.55 \| good	19.55 \| good	0.656 \| good
2025-12-28T03:00:00.000Z	38 \| good	7.26 \| good	32.201 \| good	17.71 \| good	1.307 \| good	11.876 \| good	0.239 \| good
2025-12-28T04:00:00.000Z	33 \| good	6.103 \| good	25.3 \| good	18.414 \| good	0.578 \| good	17.257 \| good	0.602 \| good
2025-12-28T05:00:00.000Z	44 \| good	7.944 \| good	26.167 \| good	13.485 \| good	0.283 \| good	24.45 \| good	0.607 \| good
2025-12-28T06:00:00.000Z	38 \| good	6.776 \| good	22.145 \| good	20.199 \| good	0.655 \| good	21.312 \| good	0.437 \| good
2025-12-28T07:00:00.000Z	27 \| good	5.223 \| good	22.564 \| good	13.304 \| good	0.646 \| good	22.542 \| good	0.466 \| good
2025-12-28T08:00:00.000Z	38 \| good	7.016 \| good	20.288 \| good	14.251 \| good	0.45 \| good	26.955 \| good	0.411 \| good
2025-12-28T09:00:00.000Z	49 \| good	9.337 \| good	41.837 \| good	9.534 \| good	0.588 \| good	14.675 \| good	0.514 \| good
2025-12-28T10:00:00.000Z	38 \| good	7.435 \| good	19.274 \| good	11.041 \| good	0.554 \| good	20.78 \| good	0.549 \| good
2025-12-28T11:00:00.000Z	60 \| moderate	13.572 \| fine	24.112 \| good	12.147 \| good	0.398 \| good	22.754 \| good	0.441 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	9.533 \| good	37.525 \| good	4.82 \| good	0.37 \| good	31.457 \| good	0.476 \| good
2025-12-28T13:00:00.000Z	49 \| good	9.335 \| good	36.975 \| good	9.232 \| good	0.37 \| good	25.635 \| good	0.46 \| good
2025-12-28T14:00:00.000Z	27 \| good	4.896 \| good	18.52 \| good	16.012 \| good	0.388 \| good	25.974 \| good	0.629 \| good
2025-12-28T15:00:00.000Z	33 \| good	5.956 \| good	14.057 \| good	11.198 \| good	0.251 \| good	11.525 \| good	0.371 \| good
2025-12-28T16:00:00.000Z	33 \| good	6.387 \| good	22.803 \| good	16.867 \| good	0.24 \| good	11.271 \| good	0.3 \| good
2025-12-28T17:00:00.000Z	54 \| moderate	10.606 \| good	26.458 \| good	20.996 \| good	0.228 \| good	7.92 \| good	0.239 \| good
2025-12-28T18:00:00.000Z	34 \| good	6.431 \| good	36.892 \| good	23.711 \| good	0.266 \| good	8.088 \| good	0.232 \| good
2025-12-28T19:00:00.000Z	49 \| good	8.731 \| good	39.686 \| good	28.242 \| good	0.284 \| good	8.269 \| good	0.322 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.808 \| good	34.883 \| good	30.339 \| good	0.284 \| good	13.027 \| good	0.368 \| good
2025-12-28T21:00:00.000Z	33 \| good	6.226 \| good	19.865 \| good	29.617 \| good	0.277 \| good	17.011 \| good	0.359 \| good
2025-12-28T22:00:00.000Z	31 \| good	5.256 \| good	29.175 \| good	33.349 \| good	0.263 \| good	24.342 \| good	0.483 \| good
2025-12-28T23:00:00.000Z	33 \| good	6.077 \| good	19.673 \| good	28.056 \| good	0.252 \| good	25.786 \| good	0.463 \| good
2025-12-29T00:00:00.000Z	38 \| good	7.412 \| good	28.225 \| good	26.329 \| good	0.31 \| good	23.264 \| good	0.364 \| good
2025-12-29T01:00:00.000Z	38 \| good	7.412 \| good	28.225 \| good	26.329 \| good	0.31 \| good	23.264 \| good	0.364 \| good
2025-12-29T02:00:00.000Z	67 \| moderate	18.133 \| fine	79.378 \| fine	6.021 \| good	2.653 \| good	24.898 \| good	0.272 \| good
2025-12-29T03:00:00.000Z	73 \| moderate	20.525 \| fine	90.957 \| fine	6.047 \| good	2.918 \| good	27.926 \| good	0.273 \| good
2025-12-29T04:00:00.000Z	64 \| moderate	16.281 \| fine	72.916 \| fine	12.915 \| good	2.279 \| good	24.022 \| good	0.251 \| good
2025-12-29T05:00:00.000Z	54 \| moderate	11.124 \| good	49.077 \| good	19.902 \| good	1.641 \| good	20.119 \| good	0.229 \| good
2025-12-29T06:00:00.000Z	38 \| good	7.021 \| good	31.003 \| good	26.131 \| good	1.002 \| good	16.215 \| good	0.207 \| good
2025-12-29T07:00:00.000Z	26 \| good	4.255 \| good	18.914 \| good	27.854 \| good	0.89 \| good	12.457 \| good	0.188 \| good
2025-12-29T08:00:00.000Z	27 \| good	3.13 \| good	13.865 \| good	29.227 \| good	0.778 \| good	8.7 \| good	0.168 \| good
2025-12-29T09:00:00.000Z	27 \| good	2.43 \| good	10.004 \| good	29.206 \| good	0.666 \| good	4.942 \| good	0.149 \| good
2025-12-29T10:00:00.000Z	25 \| good	2.2 \| good	9.037 \| good	27.474 \| good	0.804 \| good	5.213 \| good	0.155 \| good
2025-12-29T11:00:00.000Z	24 \| good	2.844 \| good	11.908 \| good	25.756 \| good	0.942 \| good	5.484 \| good	0.16 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.017 \| good	17.922 \| good	23.005 \| good	1.08 \| good	5.754 \| good	0.166 \| good
2025-12-29T13:00:00.000Z	27 \| good	5.404 \| good	23.062 \| good	21.47 \| good	1.227 \| good	6.982 \| good	0.178 \| good
2025-12-29T14:00:00.000Z	38 \| good	6.611 \| good	29.949 \| good	17.352 \| good	1.374 \| good	8.21 \| good	0.191 \| good
2025-12-29T15:00:00.000Z	44 \| good	7.676 \| good	34.033 \| good	14.625 \| good	1.521 \| good	9.438 \| good	0.203 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.127 \| good	36.019 \| good	14.168 \| good	1.484 \| good	10.533 \| good	0.207 \| good
2025-12-29T17:00:00.000Z	49 \| good	9.046 \| good	40.909 \| good	14.623 \| good	1.448 \| good	11.628 \| good	0.21 \| good
2025-12-29T18:00:00.000Z	33 \| good	6.063 \| good	27.017 \| good	26.968 \| good	1.412 \| good	12.723 \| good	0.214 \| good
2025-12-29T19:00:00.000Z	34 \| good	3.115 \| good	13.866 \| good	36.597 \| good	1.405 \| good	10.45 \| good	0.203 \| good
2025-12-29T20:00:00.000Z	36 \| good	1.352 \| good	5.083 \| good	39.442 \| good	1.399 \| good	8.177 \| good	0.192 \| good
2025-12-29T21:00:00.000Z	35 \| good	1.969 \| good	8.024 \| good	37.697 \| good	1.392 \| good	5.905 \| good	0.18 \| good
2025-12-29T22:00:00.000Z	30 \| good	4.297 \| good	18.968 \| good	31.84 \| good	1.232 \| good	4.655 \| good	0.178 \| good
2025-12-29T23:00:00.000Z	26 \| good	4.28 \| good	18.991 \| good	27.764 \| good	1.072 \| good	3.406 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	23 \| good	2.926 \| good	11.991 \| good	25.498 \| good	0.912 \| good	2.156 \| good	0.174 \| good
2025-12-30T01:00:00.000Z	21 \| good	2.748 \| good	11.072 \| good	22.539 \| good	0.747 \| good	2.077 \| good	0.17 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.255 \| good	9.086 \| good	20.795 \| good	0.582 \| good	1.997 \| good	0.166 \| good
2025-12-30T03:00:00.000Z	23 \| good	2.359 \| good	9.957 \| good	24.967 \| good	0.416 \| good	1.918 \| good	0.163 \| good
2025-12-30T04:00:00.000Z	28 \| good	1.651 \| good	6.989 \| good	29.719 \| good	0.359 \| good	1.591 \| good	0.156 \| good
2025-12-30T05:00:00.000Z	30 \| good	1.163 \| good	5 \| good	31.789 \| good	0.302 \| good	1.265 \| good	0.149 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.834 \| good	3.056 \| good	32.228 \| good	0.244 \| good	0.938 \| good	0.141 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.621 \| good	2.067 \| good	31.776 \| good	0.241 \| good	0.88 \| good	0.14 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.39 \| good	1.081 \| good	32.602 \| good	0.238 \| good	0.822 \| good	0.139 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.131 \| good	0.009 \| good	33.797 \| good	0.235 \| good	0.765 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.101 \| good	0 \| good	34.153 \| good	0.257 \| good	0.926 \| good	0.139 \| good
2025-12-30T11:00:00.000Z	32 \| good	0.4 \| good	1.928 \| good	35.069 \| good	0.278 \| good	1.088 \| good	0.141 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.469 \| good	2 \| good	34.457 \| good	0.299 \| good	1.25 \| good	0.143 \| good
2025-12-30T13:00:00.000Z	33 \| good	0.45 \| good	2 \| good	35.828 \| good	0.29 \| good	1.178 \| good	0.141 \| good
2025-12-30T14:00:00.000Z	32 \| good	0.44 \| good	2 \| good	35.256 \| good	0.281 \| good	1.106 \| good	0.14 \| good
2025-12-30T15:00:00.000Z	32 \| good	0.36 \| good	1.075 \| good	35.487 \| good	0.272 \| good	1.035 \| good	0.139 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.177 \| good	0.035 \| good	36.146 \| good	0.264 \| good	1.009 \| good	0.138 \| good
2025-12-30T17:00:00.000Z	35 \| good	0.111 \| good	0.013 \| good	37.556 \| good	0.256 \| good	0.984 \| good	0.137 \| good
2025-12-30T18:00:00.000Z	35 \| good	0.111 \| good	0 \| good	38.006 \| good	0.249 \| good	0.958 \| good	0.137 \| good
2025-12-30T19:00:00.000Z	36 \| good	0.099 \| good	0 \| good	39.054 \| good	0.279 \| good	1.189 \| good	0.136 \| good
2025-12-30T20:00:00.000Z	37 \| good	0.419 \| good	1.928 \| good	39.758 \| good	0.31 \| good	1.42 \| good	0.135 \| good
2025-12-30T21:00:00.000Z	36 \| good	0.14 \| good	0.056 \| good	38.662 \| good	0.341 \| good	1.651 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	35 \| good	0.313 \| good	1 \| good	38.127 \| good	0.416 \| good	1.895 \| good	0.135 \| good
2025-12-30T23:00:00.000Z	35 \| good	0.253 \| good	0.976 \| good	37.892 \| good	0.491 \| good	2.138 \| good	0.136 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.759 \| good	1.818 \| good	39.542 \| good	0.566 \| good	2.379 \| good	0.137 \| good
2025-12-31T01:00:00.000Z	32 \| good	0.546 \| good	2.014 \| good	34.727 \| good	0.559 \| good	2.279 \| good	0.136 \| good

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Granby, Connecticut air quality map: Track AQI near you

0.39ppm

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

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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 11:00:00 on 2025-12-28.

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 02:00:00 on 2025-12-28.

What is the current air quality in Granby, Connecticut?

The current air quality in Granby, Connecticut is 38, 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 7.412 μg/m³.

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

The current PM₁₀ concentration at Granby, Connecticut is 28.225 μg/m³.

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

The current carbon monoxide (CO) concentration at Granby, Connecticut is 0.364 ppm.

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

The current sulfur dioxide (SO₂) concentration at Granby, Connecticut is 0.31 ppb.

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

The current ozone (O₃) concentration at Granby, Connecticut is 26.329 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Granby, Connecticut is 23.264 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T02:00:00.000Z	28 \| good	3.853 \| good	10.542 \| good	30.255 \| good	0.216 \| good	10.748 \| good	0.2 \| good
2025-12-27T03:00:00.000Z	25 \| good	3.272 \| good	24.321 \| good	27.015 \| good	0.205 \| good	10.196 \| good	0.155 \| good
2025-12-27T04:00:00.000Z	26 \| good	3.52 \| good	11.225 \| good	28.294 \| good	0.206 \| good	11.069 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	28 \| good	4.395 \| good	30.056 \| good	27.301 \| good	0.196 \| good	9.56 \| good	0.216 \| good
2025-12-27T06:00:00.000Z	27 \| good	5.031 \| good	19.934 \| good	25.288 \| good	0.196 \| good	8.234 \| good	0.216 \| good
2025-12-27T07:00:00.000Z	22 \| good	3.826 \| good	16.402 \| good	22.998 \| good	0.196 \| good	7.432 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	27 \| good	4.646 \| good	13.212 \| good	27.386 \| good	0.15 \| good	6.949 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	27 \| good	3.634 \| good	12.245 \| good	28.87 \| good	0.224 \| good	7.908 \| good	0.155 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.786 \| good	14.193 \| good	23.059 \| good	0.182 \| good	9.225 \| good	0.144 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.673 \| good	22.159 \| good	23.519 \| good	0.187 \| good	7.814 \| good	0.134 \| good
2025-12-27T12:00:00.000Z	25 \| good	3.673 \| good	21.547 \| good	27.252 \| good	0.138 \| good	8.461 \| good	0.134 \| good
2025-12-27T13:00:00.000Z	29 \| good	3.856 \| good	14.293 \| good	31.279 \| good	0.167 \| good	7.375 \| good	0.134 \| good
2025-12-27T14:00:00.000Z	26 \| good	3.864 \| good	16.136 \| good	28.471 \| good	0.232 \| good	6.897 \| good	0.178 \| good
2025-12-27T15:00:00.000Z	27 \| good	4.006 \| good	17.202 \| good	29.338 \| good	0.21 \| good	6.25 \| good	0.178 \| good
2025-12-27T16:00:00.000Z	28 \| good	3.761 \| good	18.826 \| good	29.878 \| good	0.2 \| good	5.474 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	28 \| good	3.673 \| good	19.051 \| good	29.538 \| good	0.2 \| good	6.011 \| good	0.221 \| good
2025-12-27T18:00:00.000Z	29 \| good	4.265 \| good	17.05 \| good	31.144 \| good	0.21 \| good	5.775 \| good	0.165 \| good
2025-12-27T19:00:00.000Z	31 \| good	4.203 \| good	18.717 \| good	33.737 \| good	0.21 \| good	5.905 \| good	0.165 \| good
2025-12-27T20:00:00.000Z	31 \| good	3.816 \| good	5.713 \| good	33.07 \| good	0.21 \| good	6.007 \| good	0.157 \| good
2025-12-27T21:00:00.000Z	31 \| good	3.915 \| good	4.541 \| good	33.617 \| good	0.21 \| good	3.839 \| good	0.175 \| good
2025-12-27T22:00:00.000Z	26 \| good	4.373 \| good	16.93 \| good	28.086 \| good	0.209 \| good	7.929 \| good	0.246 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.695 \| good	19.861 \| good	29.235 \| good	0.288 \| good	6.383 \| good	0.326 \| good
2025-12-28T00:00:00.000Z	28 \| good	4.837 \| good	10.037 \| good	29.707 \| good	0.337 \| good	14.417 \| good	0.442 \| good
2025-12-28T01:00:00.000Z	27 \| good	5.261 \| good	18.268 \| good	22.625 \| good	0.531 \| good	10.564 \| good	0.59 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.423 \| good	17.546 \| good	23.379 \| good	0.55 \| good	19.55 \| good	0.656 \| good
2025-12-28T03:00:00.000Z	38 \| good	7.26 \| good	32.201 \| good	17.71 \| good	1.307 \| good	11.876 \| good	0.239 \| good
2025-12-28T04:00:00.000Z	33 \| good	6.103 \| good	25.3 \| good	18.414 \| good	0.578 \| good	17.257 \| good	0.602 \| good
2025-12-28T05:00:00.000Z	44 \| good	7.944 \| good	26.167 \| good	13.485 \| good	0.283 \| good	24.45 \| good	0.607 \| good
2025-12-28T06:00:00.000Z	38 \| good	6.776 \| good	22.145 \| good	20.199 \| good	0.655 \| good	21.312 \| good	0.437 \| good
2025-12-28T07:00:00.000Z	27 \| good	5.223 \| good	22.564 \| good	13.304 \| good	0.646 \| good	22.542 \| good	0.466 \| good
2025-12-28T08:00:00.000Z	38 \| good	7.016 \| good	20.288 \| good	14.251 \| good	0.45 \| good	26.955 \| good	0.411 \| good
2025-12-28T09:00:00.000Z	49 \| good	9.337 \| good	41.837 \| good	9.534 \| good	0.588 \| good	14.675 \| good	0.514 \| good
2025-12-28T10:00:00.000Z	38 \| good	7.435 \| good	19.274 \| good	11.041 \| good	0.554 \| good	20.78 \| good	0.549 \| good
2025-12-28T11:00:00.000Z	60 \| moderate	13.572 \| fine	24.112 \| good	12.147 \| good	0.398 \| good	22.754 \| good	0.441 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	9.533 \| good	37.525 \| good	4.82 \| good	0.37 \| good	31.457 \| good	0.476 \| good
2025-12-28T13:00:00.000Z	49 \| good	9.335 \| good	36.975 \| good	9.232 \| good	0.37 \| good	25.635 \| good	0.46 \| good
2025-12-28T14:00:00.000Z	27 \| good	4.896 \| good	18.52 \| good	16.012 \| good	0.388 \| good	25.974 \| good	0.629 \| good
2025-12-28T15:00:00.000Z	33 \| good	5.956 \| good	14.057 \| good	11.198 \| good	0.251 \| good	11.525 \| good	0.371 \| good
2025-12-28T16:00:00.000Z	33 \| good	6.387 \| good	22.803 \| good	16.867 \| good	0.24 \| good	11.271 \| good	0.3 \| good
2025-12-28T17:00:00.000Z	54 \| moderate	10.606 \| good	26.458 \| good	20.996 \| good	0.228 \| good	7.92 \| good	0.239 \| good
2025-12-28T18:00:00.000Z	34 \| good	6.431 \| good	36.892 \| good	23.711 \| good	0.266 \| good	8.088 \| good	0.232 \| good
2025-12-28T19:00:00.000Z	49 \| good	8.731 \| good	39.686 \| good	28.242 \| good	0.284 \| good	8.269 \| good	0.322 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.808 \| good	34.883 \| good	30.339 \| good	0.284 \| good	13.027 \| good	0.368 \| good
2025-12-28T21:00:00.000Z	33 \| good	6.226 \| good	19.865 \| good	29.617 \| good	0.277 \| good	17.011 \| good	0.359 \| good
2025-12-28T22:00:00.000Z	31 \| good	5.256 \| good	29.175 \| good	33.349 \| good	0.263 \| good	24.342 \| good	0.483 \| good
2025-12-28T23:00:00.000Z	33 \| good	6.077 \| good	19.673 \| good	28.056 \| good	0.252 \| good	25.786 \| good	0.463 \| good
2025-12-29T00:00:00.000Z	38 \| good	7.412 \| good	28.225 \| good	26.329 \| good	0.31 \| good	23.264 \| good	0.364 \| good
2025-12-29T01:00:00.000Z	38 \| good	7.412 \| good	28.225 \| good	26.329 \| good	0.31 \| good	23.264 \| good	0.364 \| good
2025-12-29T02:00:00.000Z	67 \| moderate	18.133 \| fine	79.378 \| fine	6.021 \| good	2.653 \| good	24.898 \| good	0.272 \| good
2025-12-29T03:00:00.000Z	73 \| moderate	20.525 \| fine	90.957 \| fine	6.047 \| good	2.918 \| good	27.926 \| good	0.273 \| good
2025-12-29T04:00:00.000Z	64 \| moderate	16.281 \| fine	72.916 \| fine	12.915 \| good	2.279 \| good	24.022 \| good	0.251 \| good
2025-12-29T05:00:00.000Z	54 \| moderate	11.124 \| good	49.077 \| good	19.902 \| good	1.641 \| good	20.119 \| good	0.229 \| good
2025-12-29T06:00:00.000Z	38 \| good	7.021 \| good	31.003 \| good	26.131 \| good	1.002 \| good	16.215 \| good	0.207 \| good
2025-12-29T07:00:00.000Z	26 \| good	4.255 \| good	18.914 \| good	27.854 \| good	0.89 \| good	12.457 \| good	0.188 \| good
2025-12-29T08:00:00.000Z	27 \| good	3.13 \| good	13.865 \| good	29.227 \| good	0.778 \| good	8.7 \| good	0.168 \| good
2025-12-29T09:00:00.000Z	27 \| good	2.43 \| good	10.004 \| good	29.206 \| good	0.666 \| good	4.942 \| good	0.149 \| good
2025-12-29T10:00:00.000Z	25 \| good	2.2 \| good	9.037 \| good	27.474 \| good	0.804 \| good	5.213 \| good	0.155 \| good
2025-12-29T11:00:00.000Z	24 \| good	2.844 \| good	11.908 \| good	25.756 \| good	0.942 \| good	5.484 \| good	0.16 \| good
2025-12-29T12:00:00.000Z	22 \| good	4.017 \| good	17.922 \| good	23.005 \| good	1.08 \| good	5.754 \| good	0.166 \| good
2025-12-29T13:00:00.000Z	27 \| good	5.404 \| good	23.062 \| good	21.47 \| good	1.227 \| good	6.982 \| good	0.178 \| good
2025-12-29T14:00:00.000Z	38 \| good	6.611 \| good	29.949 \| good	17.352 \| good	1.374 \| good	8.21 \| good	0.191 \| good
2025-12-29T15:00:00.000Z	44 \| good	7.676 \| good	34.033 \| good	14.625 \| good	1.521 \| good	9.438 \| good	0.203 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.127 \| good	36.019 \| good	14.168 \| good	1.484 \| good	10.533 \| good	0.207 \| good
2025-12-29T17:00:00.000Z	49 \| good	9.046 \| good	40.909 \| good	14.623 \| good	1.448 \| good	11.628 \| good	0.21 \| good
2025-12-29T18:00:00.000Z	33 \| good	6.063 \| good	27.017 \| good	26.968 \| good	1.412 \| good	12.723 \| good	0.214 \| good
2025-12-29T19:00:00.000Z	34 \| good	3.115 \| good	13.866 \| good	36.597 \| good	1.405 \| good	10.45 \| good	0.203 \| good
2025-12-29T20:00:00.000Z	36 \| good	1.352 \| good	5.083 \| good	39.442 \| good	1.399 \| good	8.177 \| good	0.192 \| good
2025-12-29T21:00:00.000Z	35 \| good	1.969 \| good	8.024 \| good	37.697 \| good	1.392 \| good	5.905 \| good	0.18 \| good
2025-12-29T22:00:00.000Z	30 \| good	4.297 \| good	18.968 \| good	31.84 \| good	1.232 \| good	4.655 \| good	0.178 \| good
2025-12-29T23:00:00.000Z	26 \| good	4.28 \| good	18.991 \| good	27.764 \| good	1.072 \| good	3.406 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	23 \| good	2.926 \| good	11.991 \| good	25.498 \| good	0.912 \| good	2.156 \| good	0.174 \| good
2025-12-30T01:00:00.000Z	21 \| good	2.748 \| good	11.072 \| good	22.539 \| good	0.747 \| good	2.077 \| good	0.17 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.255 \| good	9.086 \| good	20.795 \| good	0.582 \| good	1.997 \| good	0.166 \| good
2025-12-30T03:00:00.000Z	23 \| good	2.359 \| good	9.957 \| good	24.967 \| good	0.416 \| good	1.918 \| good	0.163 \| good
2025-12-30T04:00:00.000Z	28 \| good	1.651 \| good	6.989 \| good	29.719 \| good	0.359 \| good	1.591 \| good	0.156 \| good
2025-12-30T05:00:00.000Z	30 \| good	1.163 \| good	5 \| good	31.789 \| good	0.302 \| good	1.265 \| good	0.149 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.834 \| good	3.056 \| good	32.228 \| good	0.244 \| good	0.938 \| good	0.141 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.621 \| good	2.067 \| good	31.776 \| good	0.241 \| good	0.88 \| good	0.14 \| good
2025-12-30T08:00:00.000Z	31 \| good	0.39 \| good	1.081 \| good	32.602 \| good	0.238 \| good	0.822 \| good	0.139 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.131 \| good	0.009 \| good	33.797 \| good	0.235 \| good	0.765 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.101 \| good	0 \| good	34.153 \| good	0.257 \| good	0.926 \| good	0.139 \| good
2025-12-30T11:00:00.000Z	32 \| good	0.4 \| good	1.928 \| good	35.069 \| good	0.278 \| good	1.088 \| good	0.141 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.469 \| good	2 \| good	34.457 \| good	0.299 \| good	1.25 \| good	0.143 \| good
2025-12-30T13:00:00.000Z	33 \| good	0.45 \| good	2 \| good	35.828 \| good	0.29 \| good	1.178 \| good	0.141 \| good
2025-12-30T14:00:00.000Z	32 \| good	0.44 \| good	2 \| good	35.256 \| good	0.281 \| good	1.106 \| good	0.14 \| good
2025-12-30T15:00:00.000Z	32 \| good	0.36 \| good	1.075 \| good	35.487 \| good	0.272 \| good	1.035 \| good	0.139 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.177 \| good	0.035 \| good	36.146 \| good	0.264 \| good	1.009 \| good	0.138 \| good
2025-12-30T17:00:00.000Z	35 \| good	0.111 \| good	0.013 \| good	37.556 \| good	0.256 \| good	0.984 \| good	0.137 \| good
2025-12-30T18:00:00.000Z	35 \| good	0.111 \| good	0 \| good	38.006 \| good	0.249 \| good	0.958 \| good	0.137 \| good
2025-12-30T19:00:00.000Z	36 \| good	0.099 \| good	0 \| good	39.054 \| good	0.279 \| good	1.189 \| good	0.136 \| good
2025-12-30T20:00:00.000Z	37 \| good	0.419 \| good	1.928 \| good	39.758 \| good	0.31 \| good	1.42 \| good	0.135 \| good
2025-12-30T21:00:00.000Z	36 \| good	0.14 \| good	0.056 \| good	38.662 \| good	0.341 \| good	1.651 \| good	0.135 \| good
2025-12-30T22:00:00.000Z	35 \| good	0.313 \| good	1 \| good	38.127 \| good	0.416 \| good	1.895 \| good	0.135 \| good
2025-12-30T23:00:00.000Z	35 \| good	0.253 \| good	0.976 \| good	37.892 \| good	0.491 \| good	2.138 \| good	0.136 \| good
2025-12-31T00:00:00.000Z	37 \| good	1.759 \| good	1.818 \| good	39.542 \| good	0.566 \| good	2.379 \| good	0.137 \| good
2025-12-31T01:00:00.000Z	32 \| good	0.546 \| good	2.014 \| good	34.727 \| good	0.559 \| good	2.279 \| good	0.136 \| good

Granby, Connecticut live air quality index now

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)

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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

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Frequently asked questions

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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?