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

The current PM10 concentration at Granby, Connecticut is 3.317 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Granby, Connecticut is 0.68 ppb.

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

The current ozone (O3) concentration at Granby, Connecticut is 20.564 ppm.

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

The current nitrogen dioxide (NO2) concentration at Granby, Connecticut is 2.96 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 0.859 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)

0.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

3.32 μg/m³

155

255

425

605+

Ozone (O₃)

20.56 ppb

201

201+

Sulfur Dioxide (SO₂)

0.68 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.96 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2026-09-27T00:00:00.000Z	29 \| good	3.827 \| good	13.88 \| good	30.834 \| good	0.21 \| good	1.865 \| good	0.235 \| good
2026-09-27T01:00:00.000Z	29 \| good	3.872 \| good	14.677 \| good	30.746 \| good	0.245 \| good	1.962 \| good	0.235 \| good
2026-09-27T02:00:00.000Z	29 \| good	3.782 \| good	9.073 \| good	30.789 \| good	0.221 \| good	1.85 \| good	0.235 \| good
2026-09-27T03:00:00.000Z	26 \| good	1.051 \| good	4 \| good	28.225 \| good	0.118 \| good	0.875 \| good	0.131 \| good
2026-09-27T04:00:00.000Z	28 \| good	3.739 \| good	9.975 \| good	30.285 \| good	0.436 \| good	1.38 \| good	0.235 \| good
2026-09-27T05:00:00.000Z	28 \| good	3.489 \| good	9.431 \| good	29.685 \| good	0.602 \| good	1.321 \| good	0.235 \| good
2026-09-27T06:00:00.000Z	29 \| good	3.007 \| good	5.542 \| good	30.534 \| good	0.436 \| good	1.264 \| good	0.235 \| good
2026-09-27T07:00:00.000Z	27 \| good	2.964 \| good	11.701 \| good	29.231 \| good	0.436 \| good	1.099 \| good	0.23 \| good
2026-09-27T08:00:00.000Z	28 \| good	1.642 \| good	4.235 \| good	29.651 \| good	0.436 \| good	1.339 \| good	0.235 \| good
2026-09-27T09:00:00.000Z	29 \| good	1.526 \| good	5.211 \| good	30.619 \| good	0.422 \| good	1.236 \| good	0.214 \| good
2026-09-27T10:00:00.000Z	28 \| good	0.983 \| good	3.405 \| good	29.859 \| good	0.422 \| good	1.335 \| good	0.214 \| good
2026-09-27T11:00:00.000Z	29 \| good	0.918 \| good	3.609 \| good	30.801 \| good	0.436 \| good	1.396 \| good	0.214 \| good
2026-09-27T12:00:00.000Z	28 \| good	0.795 \| good	3.146 \| good	29.754 \| good	0.436 \| good	1.419 \| good	0.214 \| good
2026-09-27T13:00:00.000Z	27 \| good	0.517 \| good	2.394 \| good	29.198 \| good	0.436 \| good	1.419 \| good	0.214 \| good
2026-09-27T14:00:00.000Z	27 \| good	0.373 \| good	2.309 \| good	28.622 \| good	0.422 \| good	1.463 \| good	0.214 \| good
2026-09-27T15:00:00.000Z	29 \| good	0.398 \| good	2.398 \| good	30.801 \| good	0.278 \| good	1.597 \| good	0.224 \| good
2026-09-27T16:00:00.000Z	28 \| good	0.467 \| good	1.641 \| good	29.614 \| good	0.437 \| good	1.978 \| good	0.224 \| good
2026-09-27T17:00:00.000Z	27 \| good	0.589 \| good	1.673 \| good	29.422 \| good	0.422 \| good	2.101 \| good	0.224 \| good
2026-09-27T18:00:00.000Z	27 \| good	0.786 \| good	5.666 \| good	28.864 \| good	0.681 \| good	2.416 \| good	0.24 \| good
2026-09-27T19:00:00.000Z	26 \| good	1.026 \| good	6.084 \| good	28.285 \| good	0.278 \| good	2.372 \| good	0.24 \| good
2026-09-27T20:00:00.000Z	27 \| good	0.677 \| good	5.527 \| good	28.788 \| good	0.449 \| good	2.438 \| good	0.24 \| good
2026-09-27T21:00:00.000Z	26 \| good	0.941 \| good	4.323 \| good	27.712 \| good	0.409 \| good	2.45 \| good	0.24 \| good
2026-09-27T22:00:00.000Z	25 \| good	1.121 \| good	2 \| good	27.253 \| good	0.436 \| good	2.939 \| good	0.24 \| good
2026-09-27T23:00:00.000Z	25 \| good	0.878 \| good	2 \| good	27.244 \| good	0.422 \| good	3.041 \| good	0.24 \| good
2026-09-28T00:00:00.000Z	25 \| good	0.717 \| good	3.893 \| good	27.436 \| good	0.396 \| good	3.015 \| good	0.224 \| good
2026-09-28T01:00:00.000Z	28 \| good	0.706 \| good	2.251 \| good	29.64 \| good	0.423 \| good	2.471 \| good	0.214 \| good
2026-09-28T02:00:00.000Z	25 \| good	0.86 \| good	2.087 \| good	27.499 \| good	0.422 \| good	1.94 \| good	0.214 \| good
2026-09-28T03:00:00.000Z	31 \| good	3.911 \| good	17.046 \| good	32.848 \| good	0.144 \| good	1.519 \| good	0.134 \| good
2026-09-28T04:00:00.000Z	25 \| good	0.806 \| good	2.106 \| good	26.781 \| good	0.423 \| good	1.738 \| good	0.214 \| good
2026-09-28T05:00:00.000Z	26 \| good	0.856 \| good	4.451 \| good	27.767 \| good	0.679 \| good	1.787 \| good	0.214 \| good
2026-09-28T06:00:00.000Z	25 \| good	0.98 \| good	3.234 \| good	27.153 \| good	0.436 \| good	2.383 \| good	0.169 \| good
2026-09-28T07:00:00.000Z	26 \| good	0.826 \| good	2.574 \| good	27.953 \| good	0.436 \| good	2.094 \| good	0.158 \| good
2026-09-28T08:00:00.000Z	25 \| good	0.681 \| good	2.944 \| good	26.727 \| good	0.681 \| good	1.631 \| good	0.169 \| good
2026-09-28T09:00:00.000Z	26 \| good	1.074 \| good	2.726 \| good	28.179 \| good	0.66 \| good	1.957 \| good	0.169 \| good
2026-09-28T10:00:00.000Z	26 \| good	1.079 \| good	2.42 \| good	27.74 \| good	0.265 \| good	2.459 \| good	0.169 \| good
2026-09-28T11:00:00.000Z	26 \| good	1.037 \| good	2.794 \| good	27.811 \| good	0.436 \| good	3 \| good	0.179 \| good
2026-09-28T12:00:00.000Z	26 \| good	0.978 \| good	2.282 \| good	27.982 \| good	0.622 \| good	3.89 \| good	0.224 \| good
2026-09-28T13:00:00.000Z	25 \| good	1.354 \| good	3.498 \| good	27.068 \| good	0.622 \| good	3.507 \| good	0.243 \| good
2026-09-28T14:00:00.000Z	24 \| good	1.043 \| good	3.247 \| good	26.313 \| good	0.534 \| good	3.574 \| good	0.234 \| good
2026-09-28T15:00:00.000Z	23 \| good	1.041 \| good	3.818 \| good	25.255 \| good	0.516 \| good	2.973 \| good	0.224 \| good
2026-09-28T16:00:00.000Z	23 \| good	0.941 \| good	3.478 \| good	24.783 \| good	0.534 \| good	3.31 \| good	0.224 \| good
2026-09-28T17:00:00.000Z	21 \| good	0.845 \| good	3.428 \| good	23.457 \| good	0.701 \| good	3.146 \| good	0.224 \| good
2026-09-28T18:00:00.000Z	20 \| good	0.828 \| good	3.964 \| good	22.28 \| good	0.681 \| good	3.29 \| good	0.24 \| good
2026-09-28T19:00:00.000Z	19 \| good	1.409 \| good	2.213 \| good	20.16 \| good	0.534 \| good	2.993 \| good	0.24 \| good
2026-09-28T20:00:00.000Z	19 \| good	0.799 \| good	2.795 \| good	21.027 \| good	0.7 \| good	3.128 \| good	0.24 \| good
2026-09-28T21:00:00.000Z	19 \| good	0.796 \| good	3.69 \| good	21.135 \| good	0.516 \| good	2.664 \| good	0.24 \| good
2026-09-28T22:00:00.000Z	19 \| good	0.859 \| good	3.317 \| good	20.564 \| good	0.68 \| good	2.96 \| good	0.24 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.859 \| good	3.317 \| good	20.564 \| good	0.68 \| good	2.96 \| good	0.24 \| good
2026-09-29T00:00:00.000Z	22 \| good	2.768 \| good	11.03 \| good	24.448 \| good	0.129 \| good	2.661 \| good	0.153 \| good
2026-09-29T01:00:00.000Z	23 \| good	2.667 \| good	10.99 \| good	25.413 \| good	0.13 \| good	2.691 \| good	0.152 \| good
2026-09-29T02:00:00.000Z	25 \| good	2.637 \| good	10.99 \| good	26.945 \| good	0.128 \| good	2.703 \| good	0.152 \| good
2026-09-29T03:00:00.000Z	26 \| good	2.884 \| good	12.003 \| good	27.913 \| good	0.125 \| good	2.752 \| good	0.152 \| good
2026-09-29T04:00:00.000Z	25 \| good	3.034 \| good	12.08 \| good	27.352 \| good	0.118 \| good	2.64 \| good	0.151 \| good
2026-09-29T05:00:00.000Z	24 \| good	3.094 \| good	12.177 \| good	26.329 \| good	0.111 \| good	2.45 \| good	0.149 \| good
2026-09-29T06:00:00.000Z	22 \| good	3.331 \| good	14.949 \| good	23.698 \| good	0.108 \| good	2.399 \| good	0.148 \| good
2026-09-29T07:00:00.000Z	22 \| good	3.515 \| good	15.936 \| good	20.882 \| good	0.108 \| good	2.44 \| good	0.147 \| good
2026-09-29T08:00:00.000Z	22 \| good	3.945 \| good	17.056 \| good	18.147 \| good	0.11 \| good	2.499 \| good	0.147 \| good
2026-09-29T09:00:00.000Z	16 \| good	3.098 \| good	12.211 \| good	11.934 \| good	0.112 \| good	2.602 \| good	0.148 \| good
2026-09-29T10:00:00.000Z	16 \| good	2.968 \| good	12.092 \| good	11.619 \| good	0.116 \| good	2.804 \| good	0.149 \| good
2026-09-29T11:00:00.000Z	16 \| good	2.551 \| good	10.138 \| good	11.642 \| good	0.127 \| good	3.497 \| good	0.156 \| good
2026-09-29T12:00:00.000Z	16 \| good	2.661 \| good	10.998 \| good	12.002 \| good	0.131 \| good	3.806 \| good	0.169 \| good
2026-09-29T13:00:00.000Z	16 \| good	2.71 \| good	11.022 \| good	15.728 \| good	0.122 \| good	2.251 \| good	0.156 \| good
2026-09-29T14:00:00.000Z	19 \| good	2.457 \| good	10.022 \| good	21.006 \| good	0.114 \| good	1.37 \| good	0.148 \| good
2026-09-29T15:00:00.000Z	23 \| good	2.286 \| good	9.031 \| good	25.476 \| good	0.108 \| good	0.977 \| good	0.142 \| good
2026-09-29T16:00:00.000Z	26 \| good	2.248 \| good	9.046 \| good	27.89 \| good	0.111 \| good	0.869 \| good	0.139 \| good
2026-09-29T17:00:00.000Z	27 \| good	1.639 \| good	6.975 \| good	28.784 \| good	0.123 \| good	0.847 \| good	0.139 \| good
2026-09-29T18:00:00.000Z	27 \| good	1.492 \| good	5.988 \| good	28.915 \| good	0.144 \| good	0.867 \| good	0.141 \| good
2026-09-29T19:00:00.000Z	27 \| good	1.599 \| good	6.938 \| good	28.841 \| good	0.169 \| good	0.922 \| good	0.143 \| good
2026-09-29T20:00:00.000Z	26 \| good	2.576 \| good	10.072 \| good	28.235 \| good	0.199 \| good	0.969 \| good	0.144 \| good
2026-09-29T21:00:00.000Z	25 \| good	2.564 \| good	10.093 \| good	26.824 \| good	0.227 \| good	1.295 \| good	0.149 \| good
2026-09-29T22:00:00.000Z	23 \| good	1.845 \| good	7.957 \| good	25.198 \| good	0.248 \| good	2.19 \| good	0.161 \| good
2026-09-29T23:00:00.000Z	21 \| good	2.58 \| good	10.111 \| good	23.206 \| good	0.277 \| good	4.043 \| good	0.179 \| good
2026-09-30T00:00:00.000Z	24 \| good	3.749 \| good	16.111 \| good	26.039 \| good	0.313 \| good	5.127 \| good	0.189 \| good
2026-09-30T01:00:00.000Z	23 \| good	4.073 \| good	18.039 \| good	25.117 \| good	0.346 \| good	5.052 \| good	0.187 \| good
2026-09-30T02:00:00.000Z	22 \| good	4.102 \| good	17.996 \| good	24.313 \| good	0.387 \| good	4.772 \| good	0.183 \| good
2026-09-30T03:00:00.000Z	22 \| good	4.092 \| good	17.973 \| good	23.425 \| good	0.434 \| good	4.42 \| good	0.18 \| good
2026-09-30T04:00:00.000Z	22 \| good	4.07 \| good	17.973 \| good	24.228 \| good	0.477 \| good	3.995 \| good	0.177 \| good
2026-09-30T05:00:00.000Z	22 \| good	4.02 \| good	17.973 \| good	23.327 \| good	0.512 \| good	3.697 \| good	0.174 \| good
2026-09-30T06:00:00.000Z	22 \| good	4.058 \| good	17.996 \| good	22.077 \| good	0.541 \| good	3.61 \| good	0.172 \| good
2026-09-30T07:00:00.000Z	22 \| good	4.171 \| good	18.061 \| good	20.225 \| good	0.564 \| good	3.712 \| good	0.172 \| good
2026-09-30T08:00:00.000Z	22 \| good	4.112 \| good	18.016 \| good	19.8 \| good	0.581 \| good	3.886 \| good	0.173 \| good
2026-09-30T09:00:00.000Z	16 \| good	3.024 \| good	12.113 \| good	14.214 \| good	0.597 \| good	4.022 \| good	0.174 \| good
2026-09-30T10:00:00.000Z	22 \| good	3.778 \| good	16.138 \| good	13.363 \| good	0.613 \| good	4.338 \| good	0.177 \| good
2026-09-30T11:00:00.000Z	22 \| good	3.981 \| good	17.123 \| good	13.476 \| good	0.643 \| good	5.154 \| good	0.186 \| good
2026-09-30T12:00:00.000Z	27 \| good	4.59 \| good	19.994 \| good	16.913 \| good	0.611 \| good	4.822 \| good	0.203 \| good
2026-09-30T13:00:00.000Z	22 \| good	4.409 \| good	19.051 \| good	22.979 \| good	0.673 \| good	2.386 \| good	0.184 \| good
2026-09-30T14:00:00.000Z	26 \| good	4.079 \| good	17.987 \| good	28.103 \| good	0.574 \| good	1.461 \| good	0.174 \| good
2026-09-30T15:00:00.000Z	30 \| good	3.549 \| good	15.964 \| good	31.58 \| good	0.422 \| good	0.891 \| good	0.161 \| good
2026-09-30T16:00:00.000Z	31 \| good	3.49 \| good	15.048 \| good	34.382 \| good	0.354 \| good	0.724 \| good	0.154 \| good
2026-09-30T17:00:00.000Z	32 \| good	3.418 \| good	14.997 \| good	35.036 \| good	0.331 \| good	0.754 \| good	0.152 \| good
2026-09-30T18:00:00.000Z	31 \| good	2.856 \| good	11.966 \| good	34.055 \| good	0.314 \| good	0.806 \| good	0.151 \| good
2026-09-30T19:00:00.000Z	32 \| good	2.468 \| good	10.004 \| good	34.653 \| good	0.304 \| good	0.917 \| good	0.151 \| good
2026-09-30T20:00:00.000Z	30 \| good	2.023 \| good	8.053 \| good	32.164 \| good	0.295 \| good	1.025 \| good	0.151 \| good
2026-09-30T21:00:00.000Z	29 \| good	2.219 \| good	9.018 \| good	30.564 \| good	0.284 \| good	1.838 \| good	0.16 \| good
2026-09-30T22:00:00.000Z	27 \| good	2.202 \| good	9.07 \| good	28.575 \| good	0.307 \| good	5.81 \| good	0.211 \| good
2026-09-30T23:00:00.000Z	22 \| good	2.568 \| good	10.135 \| good	23.974 \| good	0.366 \| good	11.677 \| good	0.281 \| good

Granby

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Granby, Connecticut air quality map: Track AQI near you

0.29ppm

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 03:00:00 on 2026-09-28.

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 10:00:00 on 2026-09-28.

What is the current air quality in Granby, Connecticut?

The current air quality in Granby, Connecticut is 19, 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 O3.

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 0.859 μg/m³.

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

The current PM₁₀ concentration at Granby, Connecticut is 3.317 μg/m³.

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

The current carbon monoxide (CO) concentration at Granby, Connecticut is 0.24 ppm.

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

The current sulfur dioxide (SO₂) concentration at Granby, Connecticut is 0.68 ppb.

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

The current ozone (O₃) concentration at Granby, Connecticut is 20.564 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Granby, Connecticut is 2.96 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-27T00:00:00.000Z	29 \| good	3.827 \| good	13.88 \| good	30.834 \| good	0.21 \| good	1.865 \| good	0.235 \| good
2026-09-27T01:00:00.000Z	29 \| good	3.872 \| good	14.677 \| good	30.746 \| good	0.245 \| good	1.962 \| good	0.235 \| good
2026-09-27T02:00:00.000Z	29 \| good	3.782 \| good	9.073 \| good	30.789 \| good	0.221 \| good	1.85 \| good	0.235 \| good
2026-09-27T03:00:00.000Z	26 \| good	1.051 \| good	4 \| good	28.225 \| good	0.118 \| good	0.875 \| good	0.131 \| good
2026-09-27T04:00:00.000Z	28 \| good	3.739 \| good	9.975 \| good	30.285 \| good	0.436 \| good	1.38 \| good	0.235 \| good
2026-09-27T05:00:00.000Z	28 \| good	3.489 \| good	9.431 \| good	29.685 \| good	0.602 \| good	1.321 \| good	0.235 \| good
2026-09-27T06:00:00.000Z	29 \| good	3.007 \| good	5.542 \| good	30.534 \| good	0.436 \| good	1.264 \| good	0.235 \| good
2026-09-27T07:00:00.000Z	27 \| good	2.964 \| good	11.701 \| good	29.231 \| good	0.436 \| good	1.099 \| good	0.23 \| good
2026-09-27T08:00:00.000Z	28 \| good	1.642 \| good	4.235 \| good	29.651 \| good	0.436 \| good	1.339 \| good	0.235 \| good
2026-09-27T09:00:00.000Z	29 \| good	1.526 \| good	5.211 \| good	30.619 \| good	0.422 \| good	1.236 \| good	0.214 \| good
2026-09-27T10:00:00.000Z	28 \| good	0.983 \| good	3.405 \| good	29.859 \| good	0.422 \| good	1.335 \| good	0.214 \| good
2026-09-27T11:00:00.000Z	29 \| good	0.918 \| good	3.609 \| good	30.801 \| good	0.436 \| good	1.396 \| good	0.214 \| good
2026-09-27T12:00:00.000Z	28 \| good	0.795 \| good	3.146 \| good	29.754 \| good	0.436 \| good	1.419 \| good	0.214 \| good
2026-09-27T13:00:00.000Z	27 \| good	0.517 \| good	2.394 \| good	29.198 \| good	0.436 \| good	1.419 \| good	0.214 \| good
2026-09-27T14:00:00.000Z	27 \| good	0.373 \| good	2.309 \| good	28.622 \| good	0.422 \| good	1.463 \| good	0.214 \| good
2026-09-27T15:00:00.000Z	29 \| good	0.398 \| good	2.398 \| good	30.801 \| good	0.278 \| good	1.597 \| good	0.224 \| good
2026-09-27T16:00:00.000Z	28 \| good	0.467 \| good	1.641 \| good	29.614 \| good	0.437 \| good	1.978 \| good	0.224 \| good
2026-09-27T17:00:00.000Z	27 \| good	0.589 \| good	1.673 \| good	29.422 \| good	0.422 \| good	2.101 \| good	0.224 \| good
2026-09-27T18:00:00.000Z	27 \| good	0.786 \| good	5.666 \| good	28.864 \| good	0.681 \| good	2.416 \| good	0.24 \| good
2026-09-27T19:00:00.000Z	26 \| good	1.026 \| good	6.084 \| good	28.285 \| good	0.278 \| good	2.372 \| good	0.24 \| good
2026-09-27T20:00:00.000Z	27 \| good	0.677 \| good	5.527 \| good	28.788 \| good	0.449 \| good	2.438 \| good	0.24 \| good
2026-09-27T21:00:00.000Z	26 \| good	0.941 \| good	4.323 \| good	27.712 \| good	0.409 \| good	2.45 \| good	0.24 \| good
2026-09-27T22:00:00.000Z	25 \| good	1.121 \| good	2 \| good	27.253 \| good	0.436 \| good	2.939 \| good	0.24 \| good
2026-09-27T23:00:00.000Z	25 \| good	0.878 \| good	2 \| good	27.244 \| good	0.422 \| good	3.041 \| good	0.24 \| good
2026-09-28T00:00:00.000Z	25 \| good	0.717 \| good	3.893 \| good	27.436 \| good	0.396 \| good	3.015 \| good	0.224 \| good
2026-09-28T01:00:00.000Z	28 \| good	0.706 \| good	2.251 \| good	29.64 \| good	0.423 \| good	2.471 \| good	0.214 \| good
2026-09-28T02:00:00.000Z	25 \| good	0.86 \| good	2.087 \| good	27.499 \| good	0.422 \| good	1.94 \| good	0.214 \| good
2026-09-28T03:00:00.000Z	31 \| good	3.911 \| good	17.046 \| good	32.848 \| good	0.144 \| good	1.519 \| good	0.134 \| good
2026-09-28T04:00:00.000Z	25 \| good	0.806 \| good	2.106 \| good	26.781 \| good	0.423 \| good	1.738 \| good	0.214 \| good
2026-09-28T05:00:00.000Z	26 \| good	0.856 \| good	4.451 \| good	27.767 \| good	0.679 \| good	1.787 \| good	0.214 \| good
2026-09-28T06:00:00.000Z	25 \| good	0.98 \| good	3.234 \| good	27.153 \| good	0.436 \| good	2.383 \| good	0.169 \| good
2026-09-28T07:00:00.000Z	26 \| good	0.826 \| good	2.574 \| good	27.953 \| good	0.436 \| good	2.094 \| good	0.158 \| good
2026-09-28T08:00:00.000Z	25 \| good	0.681 \| good	2.944 \| good	26.727 \| good	0.681 \| good	1.631 \| good	0.169 \| good
2026-09-28T09:00:00.000Z	26 \| good	1.074 \| good	2.726 \| good	28.179 \| good	0.66 \| good	1.957 \| good	0.169 \| good
2026-09-28T10:00:00.000Z	26 \| good	1.079 \| good	2.42 \| good	27.74 \| good	0.265 \| good	2.459 \| good	0.169 \| good
2026-09-28T11:00:00.000Z	26 \| good	1.037 \| good	2.794 \| good	27.811 \| good	0.436 \| good	3 \| good	0.179 \| good
2026-09-28T12:00:00.000Z	26 \| good	0.978 \| good	2.282 \| good	27.982 \| good	0.622 \| good	3.89 \| good	0.224 \| good
2026-09-28T13:00:00.000Z	25 \| good	1.354 \| good	3.498 \| good	27.068 \| good	0.622 \| good	3.507 \| good	0.243 \| good
2026-09-28T14:00:00.000Z	24 \| good	1.043 \| good	3.247 \| good	26.313 \| good	0.534 \| good	3.574 \| good	0.234 \| good
2026-09-28T15:00:00.000Z	23 \| good	1.041 \| good	3.818 \| good	25.255 \| good	0.516 \| good	2.973 \| good	0.224 \| good
2026-09-28T16:00:00.000Z	23 \| good	0.941 \| good	3.478 \| good	24.783 \| good	0.534 \| good	3.31 \| good	0.224 \| good
2026-09-28T17:00:00.000Z	21 \| good	0.845 \| good	3.428 \| good	23.457 \| good	0.701 \| good	3.146 \| good	0.224 \| good
2026-09-28T18:00:00.000Z	20 \| good	0.828 \| good	3.964 \| good	22.28 \| good	0.681 \| good	3.29 \| good	0.24 \| good
2026-09-28T19:00:00.000Z	19 \| good	1.409 \| good	2.213 \| good	20.16 \| good	0.534 \| good	2.993 \| good	0.24 \| good
2026-09-28T20:00:00.000Z	19 \| good	0.799 \| good	2.795 \| good	21.027 \| good	0.7 \| good	3.128 \| good	0.24 \| good
2026-09-28T21:00:00.000Z	19 \| good	0.796 \| good	3.69 \| good	21.135 \| good	0.516 \| good	2.664 \| good	0.24 \| good
2026-09-28T22:00:00.000Z	19 \| good	0.859 \| good	3.317 \| good	20.564 \| good	0.68 \| good	2.96 \| good	0.24 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.859 \| good	3.317 \| good	20.564 \| good	0.68 \| good	2.96 \| good	0.24 \| good
2026-09-29T00:00:00.000Z	22 \| good	2.768 \| good	11.03 \| good	24.448 \| good	0.129 \| good	2.661 \| good	0.153 \| good
2026-09-29T01:00:00.000Z	23 \| good	2.667 \| good	10.99 \| good	25.413 \| good	0.13 \| good	2.691 \| good	0.152 \| good
2026-09-29T02:00:00.000Z	25 \| good	2.637 \| good	10.99 \| good	26.945 \| good	0.128 \| good	2.703 \| good	0.152 \| good
2026-09-29T03:00:00.000Z	26 \| good	2.884 \| good	12.003 \| good	27.913 \| good	0.125 \| good	2.752 \| good	0.152 \| good
2026-09-29T04:00:00.000Z	25 \| good	3.034 \| good	12.08 \| good	27.352 \| good	0.118 \| good	2.64 \| good	0.151 \| good
2026-09-29T05:00:00.000Z	24 \| good	3.094 \| good	12.177 \| good	26.329 \| good	0.111 \| good	2.45 \| good	0.149 \| good
2026-09-29T06:00:00.000Z	22 \| good	3.331 \| good	14.949 \| good	23.698 \| good	0.108 \| good	2.399 \| good	0.148 \| good
2026-09-29T07:00:00.000Z	22 \| good	3.515 \| good	15.936 \| good	20.882 \| good	0.108 \| good	2.44 \| good	0.147 \| good
2026-09-29T08:00:00.000Z	22 \| good	3.945 \| good	17.056 \| good	18.147 \| good	0.11 \| good	2.499 \| good	0.147 \| good
2026-09-29T09:00:00.000Z	16 \| good	3.098 \| good	12.211 \| good	11.934 \| good	0.112 \| good	2.602 \| good	0.148 \| good
2026-09-29T10:00:00.000Z	16 \| good	2.968 \| good	12.092 \| good	11.619 \| good	0.116 \| good	2.804 \| good	0.149 \| good
2026-09-29T11:00:00.000Z	16 \| good	2.551 \| good	10.138 \| good	11.642 \| good	0.127 \| good	3.497 \| good	0.156 \| good
2026-09-29T12:00:00.000Z	16 \| good	2.661 \| good	10.998 \| good	12.002 \| good	0.131 \| good	3.806 \| good	0.169 \| good
2026-09-29T13:00:00.000Z	16 \| good	2.71 \| good	11.022 \| good	15.728 \| good	0.122 \| good	2.251 \| good	0.156 \| good
2026-09-29T14:00:00.000Z	19 \| good	2.457 \| good	10.022 \| good	21.006 \| good	0.114 \| good	1.37 \| good	0.148 \| good
2026-09-29T15:00:00.000Z	23 \| good	2.286 \| good	9.031 \| good	25.476 \| good	0.108 \| good	0.977 \| good	0.142 \| good
2026-09-29T16:00:00.000Z	26 \| good	2.248 \| good	9.046 \| good	27.89 \| good	0.111 \| good	0.869 \| good	0.139 \| good
2026-09-29T17:00:00.000Z	27 \| good	1.639 \| good	6.975 \| good	28.784 \| good	0.123 \| good	0.847 \| good	0.139 \| good
2026-09-29T18:00:00.000Z	27 \| good	1.492 \| good	5.988 \| good	28.915 \| good	0.144 \| good	0.867 \| good	0.141 \| good
2026-09-29T19:00:00.000Z	27 \| good	1.599 \| good	6.938 \| good	28.841 \| good	0.169 \| good	0.922 \| good	0.143 \| good
2026-09-29T20:00:00.000Z	26 \| good	2.576 \| good	10.072 \| good	28.235 \| good	0.199 \| good	0.969 \| good	0.144 \| good
2026-09-29T21:00:00.000Z	25 \| good	2.564 \| good	10.093 \| good	26.824 \| good	0.227 \| good	1.295 \| good	0.149 \| good
2026-09-29T22:00:00.000Z	23 \| good	1.845 \| good	7.957 \| good	25.198 \| good	0.248 \| good	2.19 \| good	0.161 \| good
2026-09-29T23:00:00.000Z	21 \| good	2.58 \| good	10.111 \| good	23.206 \| good	0.277 \| good	4.043 \| good	0.179 \| good
2026-09-30T00:00:00.000Z	24 \| good	3.749 \| good	16.111 \| good	26.039 \| good	0.313 \| good	5.127 \| good	0.189 \| good
2026-09-30T01:00:00.000Z	23 \| good	4.073 \| good	18.039 \| good	25.117 \| good	0.346 \| good	5.052 \| good	0.187 \| good
2026-09-30T02:00:00.000Z	22 \| good	4.102 \| good	17.996 \| good	24.313 \| good	0.387 \| good	4.772 \| good	0.183 \| good
2026-09-30T03:00:00.000Z	22 \| good	4.092 \| good	17.973 \| good	23.425 \| good	0.434 \| good	4.42 \| good	0.18 \| good
2026-09-30T04:00:00.000Z	22 \| good	4.07 \| good	17.973 \| good	24.228 \| good	0.477 \| good	3.995 \| good	0.177 \| good
2026-09-30T05:00:00.000Z	22 \| good	4.02 \| good	17.973 \| good	23.327 \| good	0.512 \| good	3.697 \| good	0.174 \| good
2026-09-30T06:00:00.000Z	22 \| good	4.058 \| good	17.996 \| good	22.077 \| good	0.541 \| good	3.61 \| good	0.172 \| good
2026-09-30T07:00:00.000Z	22 \| good	4.171 \| good	18.061 \| good	20.225 \| good	0.564 \| good	3.712 \| good	0.172 \| good
2026-09-30T08:00:00.000Z	22 \| good	4.112 \| good	18.016 \| good	19.8 \| good	0.581 \| good	3.886 \| good	0.173 \| good
2026-09-30T09:00:00.000Z	16 \| good	3.024 \| good	12.113 \| good	14.214 \| good	0.597 \| good	4.022 \| good	0.174 \| good
2026-09-30T10:00:00.000Z	22 \| good	3.778 \| good	16.138 \| good	13.363 \| good	0.613 \| good	4.338 \| good	0.177 \| good
2026-09-30T11:00:00.000Z	22 \| good	3.981 \| good	17.123 \| good	13.476 \| good	0.643 \| good	5.154 \| good	0.186 \| good
2026-09-30T12:00:00.000Z	27 \| good	4.59 \| good	19.994 \| good	16.913 \| good	0.611 \| good	4.822 \| good	0.203 \| good
2026-09-30T13:00:00.000Z	22 \| good	4.409 \| good	19.051 \| good	22.979 \| good	0.673 \| good	2.386 \| good	0.184 \| good
2026-09-30T14:00:00.000Z	26 \| good	4.079 \| good	17.987 \| good	28.103 \| good	0.574 \| good	1.461 \| good	0.174 \| good
2026-09-30T15:00:00.000Z	30 \| good	3.549 \| good	15.964 \| good	31.58 \| good	0.422 \| good	0.891 \| good	0.161 \| good
2026-09-30T16:00:00.000Z	31 \| good	3.49 \| good	15.048 \| good	34.382 \| good	0.354 \| good	0.724 \| good	0.154 \| good
2026-09-30T17:00:00.000Z	32 \| good	3.418 \| good	14.997 \| good	35.036 \| good	0.331 \| good	0.754 \| good	0.152 \| good
2026-09-30T18:00:00.000Z	31 \| good	2.856 \| good	11.966 \| good	34.055 \| good	0.314 \| good	0.806 \| good	0.151 \| good
2026-09-30T19:00:00.000Z	32 \| good	2.468 \| good	10.004 \| good	34.653 \| good	0.304 \| good	0.917 \| good	0.151 \| good
2026-09-30T20:00:00.000Z	30 \| good	2.023 \| good	8.053 \| good	32.164 \| good	0.295 \| good	1.025 \| good	0.151 \| good
2026-09-30T21:00:00.000Z	29 \| good	2.219 \| good	9.018 \| good	30.564 \| good	0.284 \| good	1.838 \| good	0.16 \| good
2026-09-30T22:00:00.000Z	27 \| good	2.202 \| good	9.07 \| good	28.575 \| good	0.307 \| good	5.81 \| good	0.211 \| good
2026-09-30T23:00:00.000Z	22 \| good	2.568 \| good	10.135 \| good	23.974 \| good	0.366 \| good	11.677 \| good	0.281 \| 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

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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?