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

The current PM10 concentration at Granby, Connecticut is 38.344 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Granby, Connecticut is 0.156 ppb.

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

The current ozone (O3) concentration at Granby, Connecticut is 14.611 ppm.

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

The current nitrogen dioxide (NO2) concentration at Granby, Connecticut is 10.013 ppb.

Granby, Connecticut live air quality index now

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)

Moderate

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)

11.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.22 μg/m³

155

255

425

605+

Ozone (O₃)

17.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.82 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2025-07-28T11:00:00.000Z	77 \| moderate	22.942 \| fine	57.855 \| fine	20.835 \| good	0.154 \| good	7.633 \| good	0.288 \| good
2025-07-28T12:00:00.000Z	60 \| moderate	14.139 \| fine	54.973 \| good	18.502 \| good	0.17 \| good	7.956 \| good	0.263 \| good
2025-07-28T13:00:00.000Z	71 \| moderate	19.735 \| fine	32.447 \| good	15.678 \| good	0.166 \| good	6.311 \| good	0.247 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.44 \| good	27.43 \| good	16.937 \| good	0.36 \| good	3.983 \| good	0.238 \| good
2025-07-28T15:00:00.000Z	58 \| moderate	12.651 \| fine	54.652 \| good	22.685 \| good	0.198 \| good	2.982 \| good	0.247 \| good
2025-07-28T16:00:00.000Z	58 \| moderate	12.81 \| fine	62.97 \| fine	25.706 \| good	0.189 \| good	2.157 \| good	0.194 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	11.139 \| good	49.975 \| good	32.874 \| good	0.209 \| good	2.03 \| good	0.194 \| good
2025-07-28T18:00:00.000Z	58 \| moderate	13.057 \| fine	53.312 \| good	33.678 \| good	0.338 \| good	2.053 \| good	0.21 \| good
2025-07-28T19:00:00.000Z	56 \| moderate	11.696 \| good	47.393 \| good	39.625 \| good	0.166 \| good	2.417 \| good	0.194 \| good
2025-07-28T20:00:00.000Z	52 \| moderate	10.353 \| good	34.984 \| good	37.201 \| good	0.218 \| good	2.043 \| good	0.2 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.449 \| good	37.984 \| good	34.97 \| good	0.175 \| good	1.899 \| good	0.236 \| good
2025-07-28T22:00:00.000Z	52 \| moderate	9.776 \| good	30.083 \| good	34.144 \| good	0.168 \| good	1.817 \| good	0.228 \| good
2025-07-28T23:00:00.000Z	62 \| moderate	15.379 \| fine	50.606 \| good	38.245 \| good	0.181 \| good	4.08 \| good	0.22 \| good
2025-07-29T00:00:00.000Z	60 \| moderate	13.558 \| fine	43.662 \| good	35.111 \| good	0.21 \| good	3.684 \| good	0.226 \| good
2025-07-29T01:00:00.000Z	58 \| moderate	13.479 \| fine	31.019 \| good	31.379 \| good	0.174 \| good	2.83 \| good	0.238 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	14.789 \| fine	24.488 \| good	28.903 \| good	0.181 \| good	8.124 \| good	0.255 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	14.249 \| fine	34.215 \| good	29.663 \| good	0.18 \| good	7.292 \| good	0.345 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	14.222 \| fine	43.775 \| good	27.2 \| good	0.17 \| good	7.249 \| good	0.362 \| good
2025-07-29T05:00:00.000Z	60 \| moderate	13.898 \| fine	28.953 \| good	30.345 \| good	0.774 \| good	13.23 \| good	0.318 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	14.129 \| fine	58.725 \| fine	28.411 \| good	0.761 \| good	10.443 \| good	0.308 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.207 \| fine	62.636 \| fine	17.918 \| good	0.215 \| good	7.16 \| good	0.318 \| good
2025-07-29T08:00:00.000Z	58 \| moderate	13.021 \| fine	51.368 \| good	24.93 \| good	0.192 \| good	7.05 \| good	0.318 \| good
2025-07-29T09:00:00.000Z	64 \| moderate	15.521 \| fine	59.097 \| fine	18.886 \| good	0.183 \| good	9.938 \| good	0.299 \| good
2025-07-29T10:00:00.000Z	62 \| moderate	14.682 \| fine	27.365 \| good	18.543 \| good	0.18 \| good	6.104 \| good	0.342 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	15.167 \| fine	53.79 \| good	11.901 \| good	0.202 \| good	11.142 \| good	0.392 \| good
2025-07-29T12:00:00.000Z	64 \| moderate	15.77 \| fine	38.344 \| good	14.611 \| good	0.156 \| good	10.013 \| good	0.438 \| good
2025-07-29T13:00:00.000Z	62 \| moderate	15.078 \| fine	32.255 \| good	9.132 \| good	0.228 \| good	9.113 \| good	0.501 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.878 \| fine	35.754 \| good	16.956 \| good	0.293 \| good	8.014 \| good	0.381 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	13.773 \| fine	35.798 \| good	30.218 \| good	0.447 \| good	7.057 \| good	0.377 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.745 \| fine	33.053 \| good	35.89 \| good	0.409 \| good	4.541 \| good	0.332 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	13.345 \| fine	26.184 \| good	38.958 \| good	0.356 \| good	3.012 \| good	0.332 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	13.268 \| fine	43.45 \| good	44.43 \| good	0.308 \| good	2.071 \| good	0.561 \| good
2025-07-29T19:00:00.000Z	58 \| moderate	12.717 \| fine	28.262 \| good	44.997 \| good	0.293 \| good	3.415 \| good	0.325 \| good
2025-07-29T20:00:00.000Z	57 \| moderate	12.335 \| fine	67.421 \| fine	44.876 \| good	0.338 \| good	3 \| good	0.276 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	12.799 \| fine	42.906 \| good	52.28 \| good	0.356 \| good	2.214 \| good	0.236 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.376 \| good	47.303 \| good	44.195 \| good	0.261 \| good	2.22 \| good	0.236 \| good
2025-07-29T23:00:00.000Z	44 \| good	8.384 \| good	31.84 \| good	44.997 \| good	0.317 \| good	2.14 \| good	0.236 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.322 \| good	29.842 \| good	43.25 \| good	0.304 \| good	2.889 \| good	0.242 \| good
2025-07-30T01:00:00.000Z	49 \| good	9.124 \| good	31.253 \| good	41.122 \| good	0.29 \| good	3.11 \| good	0.216 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.702 \| good	28.645 \| good	36.076 \| good	0.286 \| good	5.828 \| good	0.273 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	17.9 \| fine	79 \| fine	27.875 \| good	0.552 \| good	6.459 \| good	0.224 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	10.336 \| good	26.974 \| good	43.056 \| good	0.279 \| good	8.745 \| good	0.314 \| good
2025-07-30T05:00:00.000Z	56 \| moderate	12.15 \| fine	25.978 \| good	44.167 \| good	0.444 \| good	13.878 \| good	0.298 \| good
2025-07-30T06:00:00.000Z	56 \| moderate	11.849 \| good	39.21 \| good	42.342 \| good	0.373 \| good	21.833 \| good	0.261 \| good
2025-07-30T07:00:00.000Z	56 \| moderate	12.341 \| fine	44.661 \| good	31.285 \| good	0.182 \| good	10.5 \| good	0.245 \| good
2025-07-30T08:00:00.000Z	58 \| moderate	12.805 \| fine	30.768 \| good	24.466 \| good	0.159 \| good	9.461 \| good	0.254 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	11.209 \| good	33.218 \| good	17.842 \| good	0.181 \| good	8.821 \| good	0.2 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.209 \| good	33.218 \| good	17.842 \| good	0.181 \| good	8.821 \| good	0.2 \| good
2025-07-29T13:00:00.000Z	75 \| moderate	21.81 \| fine	95.086 \| fine	38.627 \| good	0.499 \| good	2.412 \| good	0.267 \| good
2025-07-29T14:00:00.000Z	81 \| moderate	24.876 \| fine	108.875 \| fine	43.971 \| good	0.524 \| good	1.726 \| good	0.237 \| good
2025-07-29T15:00:00.000Z	82 \| moderate	25.76 \| fine	112.913 \| fine	51.12 \| good	0.549 \| good	1.041 \| good	0.206 \| good
2025-07-29T16:00:00.000Z	81 \| moderate	25.387 \| fine	110.994 \| fine	52.434 \| good	0.544 \| good	0.93 \| good	0.194 \| good
2025-07-29T17:00:00.000Z	79 \| moderate	24.34 \| fine	106.916 \| fine	51.159 \| good	0.539 \| good	0.819 \| good	0.182 \| good
2025-07-29T18:00:00.000Z	75 \| moderate	21.912 \| fine	95.258 \| fine	49.386 \| good	0.534 \| good	0.707 \| good	0.17 \| good
2025-07-29T19:00:00.000Z	69 \| moderate	19.229 \| fine	84.99 \| fine	47.014 \| good	0.482 \| good	0.855 \| good	0.167 \| good
2025-07-29T20:00:00.000Z	66 \| moderate	17.291 \| fine	76.916 \| fine	43.411 \| good	0.43 \| good	1.002 \| good	0.163 \| good
2025-07-29T21:00:00.000Z	64 \| moderate	15.893 \| fine	71.052 \| fine	44.253 \| good	0.377 \| good	1.149 \| good	0.16 \| good
2025-07-29T22:00:00.000Z	62 \| moderate	15.384 \| fine	69.002 \| fine	41.575 \| good	0.383 \| good	2.628 \| good	0.174 \| good
2025-07-29T23:00:00.000Z	62 \| moderate	15.075 \| fine	67.186 \| fine	37.051 \| good	0.388 \| good	4.107 \| good	0.189 \| good
2025-07-30T00:00:00.000Z	58 \| moderate	13.417 \| fine	60.967 \| fine	37.371 \| good	0.393 \| good	5.586 \| good	0.204 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	13.257 \| fine	59.113 \| fine	33.204 \| good	0.425 \| good	7.111 \| good	0.223 \| good
2025-07-30T02:00:00.000Z	60 \| moderate	14.14 \| fine	63.085 \| fine	29.416 \| good	0.457 \| good	8.636 \| good	0.242 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	17.661 \| fine	78.703 \| fine	27.97 \| good	0.489 \| good	10.16 \| good	0.261 \| good
2025-07-30T04:00:00.000Z	73 \| moderate	21.041 \| fine	92.762 \| fine	26.9 \| good	0.466 \| good	10.316 \| good	0.267 \| good
2025-07-30T05:00:00.000Z	79 \| moderate	23.62 \| fine	103.01 \| fine	26.006 \| good	0.442 \| good	10.471 \| good	0.273 \| good
2025-07-30T06:00:00.000Z	81 \| moderate	25.361 \| fine	110.965 \| fine	24.641 \| good	0.419 \| good	10.627 \| good	0.279 \| good
2025-07-30T07:00:00.000Z	82 \| moderate	25.523 \| fine	111.036 \| fine	20.338 \| good	0.414 \| good	9.71 \| good	0.269 \| good
2025-07-30T08:00:00.000Z	81 \| moderate	25.055 \| fine	109.143 \| fine	18.981 \| good	0.409 \| good	8.793 \| good	0.26 \| good
2025-07-30T09:00:00.000Z	81 \| moderate	24.975 \| fine	109.081 \| fine	18.457 \| good	0.403 \| good	7.876 \| good	0.251 \| good
2025-07-30T10:00:00.000Z	81 \| moderate	24.893 \| fine	108.967 \| fine	15.675 \| good	0.411 \| good	6.429 \| good	0.25 \| good
2025-07-30T11:00:00.000Z	84 \| moderate	27.125 \| fine	118.908 \| fine	18.789 \| good	0.418 \| good	4.983 \| good	0.249 \| good
2025-07-30T12:00:00.000Z	92 \| moderate	30.972 \| fine	134.851 \| fine	26.571 \| good	0.425 \| good	3.537 \| good	0.247 \| good
2025-07-30T13:00:00.000Z	92 \| moderate	31.138 \| fine	135.001 \| fine	36.128 \| good	0.463 \| good	2.73 \| good	0.219 \| good
2025-07-30T14:00:00.000Z	92 \| moderate	31.011 \| fine	135.023 \| fine	45.586 \| good	0.501 \| good	1.923 \| good	0.19 \| good
2025-07-30T15:00:00.000Z	84 \| moderate	26.72 \| fine	116.932 \| fine	52.845 \| good	0.539 \| good	1.116 \| good	0.161 \| good
2025-07-30T16:00:00.000Z	77 \| moderate	22.663 \| fine	99.081 \| fine	54.172 \| good	0.679 \| good	0.981 \| good	0.164 \| good
2025-07-30T17:00:00.000Z	75 \| moderate	21.914 \| fine	95.265 \| fine	52.089 \| good	0.819 \| good	0.847 \| good	0.167 \| good
2025-07-30T18:00:00.000Z	73 \| moderate	21.293 \| fine	93.081 \| fine	52.517 \| good	0.959 \| good	0.712 \| good	0.171 \| good
2025-07-30T19:00:00.000Z	71 \| moderate	20.297 \| fine	89.103 \| fine	53.681 \| good	0.87 \| good	0.834 \| good	0.167 \| good
2025-07-30T20:00:00.000Z	71 \| moderate	20.369 \| fine	89.195 \| fine	58.664 \| fine	0.781 \| good	0.956 \| good	0.164 \| good
2025-07-30T21:00:00.000Z	69 \| moderate	18.508 \| fine	81.231 \| fine	54.829 \| good	0.691 \| good	1.077 \| good	0.16 \| good
2025-07-30T22:00:00.000Z	71 \| moderate	19.677 \| fine	87.054 \| fine	50.901 \| good	0.678 \| good	3.016 \| good	0.181 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	19.888 \| fine	87.235 \| fine	49.383 \| good	0.665 \| good	4.954 \| good	0.201 \| good
2025-07-31T00:00:00.000Z	62 \| moderate	14.537 \| fine	65.081 \| fine	47.355 \| good	0.652 \| good	6.892 \| good	0.222 \| good
2025-07-31T01:00:00.000Z	60 \| moderate	14.318 \| fine	63.229 \| fine	46.164 \| good	0.696 \| good	9.034 \| good	0.253 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	12.825 \| fine	57.23 \| fine	41.484 \| good	0.739 \| good	11.175 \| good	0.283 \| good
2025-07-31T03:00:00.000Z	54 \| moderate	11.467 \| good	51.101 \| good	39.507 \| good	0.783 \| good	13.316 \| good	0.314 \| good
2025-07-31T04:00:00.000Z	58 \| moderate	12.905 \| fine	57.267 \| fine	37.607 \| good	0.672 \| good	11.394 \| good	0.292 \| good
2025-07-31T05:00:00.000Z	58 \| moderate	13.293 \| fine	59.14 \| fine	34.49 \| good	0.562 \| good	9.472 \| good	0.269 \| good
2025-07-31T06:00:00.000Z	44 \| good	7.988 \| good	8.214 \| good	26.078 \| good	0.441 \| good	7.572 \| good	0.246 \| good
2025-07-31T07:00:00.000Z	58 \| moderate	13.365 \| fine	60.904 \| fine	26.051 \| good	0.431 \| good	5.814 \| good	0.219 \| good
2025-07-31T08:00:00.000Z	62 \| moderate	15.092 \| fine	67.164 \| fine	24.061 \| good	0.412 \| good	4.077 \| good	0.192 \| good
2025-07-31T09:00:00.000Z	64 \| moderate	15.68 \| fine	69.166 \| fine	25.386 \| good	0.392 \| good	2.341 \| good	0.165 \| good
2025-07-31T10:00:00.000Z	66 \| moderate	16.716 \| fine	74.838 \| fine	21.884 \| good	0.398 \| good	2.107 \| good	0.163 \| good
2025-07-31T11:00:00.000Z	66 \| moderate	16.735 \| fine	74.875 \| fine	23.204 \| good	0.405 \| good	1.874 \| good	0.161 \| good
2025-07-31T12:00:00.000Z	37 \| good	5.685 \| good	6.298 \| good	39.782 \| good	0.411 \| good	1.638 \| good	0.159 \| good

Granby

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Granby, Connecticut air quality map: Track AQI near you

0.47ppm

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 01:00:00 on 2025-07-28.

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 09:00:00 on 2025-07-28.

What is the current air quality in Granby, Connecticut?

The current air quality in Granby, Connecticut is 64, categorized as Moderate 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 15.77 μg/m³.

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

The current PM₁₀ concentration at Granby, Connecticut is 38.344 μg/m³.

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

The current carbon monoxide (CO) concentration at Granby, Connecticut is 0.438 ppm.

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

The current sulfur dioxide (SO₂) concentration at Granby, Connecticut is 0.156 ppb.

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

The current ozone (O₃) concentration at Granby, Connecticut is 14.611 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Granby, Connecticut is 10.013 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T11:00:00.000Z	77 \| moderate	22.942 \| fine	57.855 \| fine	20.835 \| good	0.154 \| good	7.633 \| good	0.288 \| good
2025-07-28T12:00:00.000Z	60 \| moderate	14.139 \| fine	54.973 \| good	18.502 \| good	0.17 \| good	7.956 \| good	0.263 \| good
2025-07-28T13:00:00.000Z	71 \| moderate	19.735 \| fine	32.447 \| good	15.678 \| good	0.166 \| good	6.311 \| good	0.247 \| good
2025-07-28T14:00:00.000Z	54 \| moderate	11.44 \| good	27.43 \| good	16.937 \| good	0.36 \| good	3.983 \| good	0.238 \| good
2025-07-28T15:00:00.000Z	58 \| moderate	12.651 \| fine	54.652 \| good	22.685 \| good	0.198 \| good	2.982 \| good	0.247 \| good
2025-07-28T16:00:00.000Z	58 \| moderate	12.81 \| fine	62.97 \| fine	25.706 \| good	0.189 \| good	2.157 \| good	0.194 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	11.139 \| good	49.975 \| good	32.874 \| good	0.209 \| good	2.03 \| good	0.194 \| good
2025-07-28T18:00:00.000Z	58 \| moderate	13.057 \| fine	53.312 \| good	33.678 \| good	0.338 \| good	2.053 \| good	0.21 \| good
2025-07-28T19:00:00.000Z	56 \| moderate	11.696 \| good	47.393 \| good	39.625 \| good	0.166 \| good	2.417 \| good	0.194 \| good
2025-07-28T20:00:00.000Z	52 \| moderate	10.353 \| good	34.984 \| good	37.201 \| good	0.218 \| good	2.043 \| good	0.2 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.449 \| good	37.984 \| good	34.97 \| good	0.175 \| good	1.899 \| good	0.236 \| good
2025-07-28T22:00:00.000Z	52 \| moderate	9.776 \| good	30.083 \| good	34.144 \| good	0.168 \| good	1.817 \| good	0.228 \| good
2025-07-28T23:00:00.000Z	62 \| moderate	15.379 \| fine	50.606 \| good	38.245 \| good	0.181 \| good	4.08 \| good	0.22 \| good
2025-07-29T00:00:00.000Z	60 \| moderate	13.558 \| fine	43.662 \| good	35.111 \| good	0.21 \| good	3.684 \| good	0.226 \| good
2025-07-29T01:00:00.000Z	58 \| moderate	13.479 \| fine	31.019 \| good	31.379 \| good	0.174 \| good	2.83 \| good	0.238 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	14.789 \| fine	24.488 \| good	28.903 \| good	0.181 \| good	8.124 \| good	0.255 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	14.249 \| fine	34.215 \| good	29.663 \| good	0.18 \| good	7.292 \| good	0.345 \| good
2025-07-29T04:00:00.000Z	60 \| moderate	14.222 \| fine	43.775 \| good	27.2 \| good	0.17 \| good	7.249 \| good	0.362 \| good
2025-07-29T05:00:00.000Z	60 \| moderate	13.898 \| fine	28.953 \| good	30.345 \| good	0.774 \| good	13.23 \| good	0.318 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	14.129 \| fine	58.725 \| fine	28.411 \| good	0.761 \| good	10.443 \| good	0.308 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.207 \| fine	62.636 \| fine	17.918 \| good	0.215 \| good	7.16 \| good	0.318 \| good
2025-07-29T08:00:00.000Z	58 \| moderate	13.021 \| fine	51.368 \| good	24.93 \| good	0.192 \| good	7.05 \| good	0.318 \| good
2025-07-29T09:00:00.000Z	64 \| moderate	15.521 \| fine	59.097 \| fine	18.886 \| good	0.183 \| good	9.938 \| good	0.299 \| good
2025-07-29T10:00:00.000Z	62 \| moderate	14.682 \| fine	27.365 \| good	18.543 \| good	0.18 \| good	6.104 \| good	0.342 \| good
2025-07-29T11:00:00.000Z	62 \| moderate	15.167 \| fine	53.79 \| good	11.901 \| good	0.202 \| good	11.142 \| good	0.392 \| good
2025-07-29T12:00:00.000Z	64 \| moderate	15.77 \| fine	38.344 \| good	14.611 \| good	0.156 \| good	10.013 \| good	0.438 \| good
2025-07-29T13:00:00.000Z	62 \| moderate	15.078 \| fine	32.255 \| good	9.132 \| good	0.228 \| good	9.113 \| good	0.501 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.878 \| fine	35.754 \| good	16.956 \| good	0.293 \| good	8.014 \| good	0.381 \| good
2025-07-29T15:00:00.000Z	60 \| moderate	13.773 \| fine	35.798 \| good	30.218 \| good	0.447 \| good	7.057 \| good	0.377 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.745 \| fine	33.053 \| good	35.89 \| good	0.409 \| good	4.541 \| good	0.332 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	13.345 \| fine	26.184 \| good	38.958 \| good	0.356 \| good	3.012 \| good	0.332 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	13.268 \| fine	43.45 \| good	44.43 \| good	0.308 \| good	2.071 \| good	0.561 \| good
2025-07-29T19:00:00.000Z	58 \| moderate	12.717 \| fine	28.262 \| good	44.997 \| good	0.293 \| good	3.415 \| good	0.325 \| good
2025-07-29T20:00:00.000Z	57 \| moderate	12.335 \| fine	67.421 \| fine	44.876 \| good	0.338 \| good	3 \| good	0.276 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	12.799 \| fine	42.906 \| good	52.28 \| good	0.356 \| good	2.214 \| good	0.236 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.376 \| good	47.303 \| good	44.195 \| good	0.261 \| good	2.22 \| good	0.236 \| good
2025-07-29T23:00:00.000Z	44 \| good	8.384 \| good	31.84 \| good	44.997 \| good	0.317 \| good	2.14 \| good	0.236 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.322 \| good	29.842 \| good	43.25 \| good	0.304 \| good	2.889 \| good	0.242 \| good
2025-07-30T01:00:00.000Z	49 \| good	9.124 \| good	31.253 \| good	41.122 \| good	0.29 \| good	3.11 \| good	0.216 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.702 \| good	28.645 \| good	36.076 \| good	0.286 \| good	5.828 \| good	0.273 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	17.9 \| fine	79 \| fine	27.875 \| good	0.552 \| good	6.459 \| good	0.224 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	10.336 \| good	26.974 \| good	43.056 \| good	0.279 \| good	8.745 \| good	0.314 \| good
2025-07-30T05:00:00.000Z	56 \| moderate	12.15 \| fine	25.978 \| good	44.167 \| good	0.444 \| good	13.878 \| good	0.298 \| good
2025-07-30T06:00:00.000Z	56 \| moderate	11.849 \| good	39.21 \| good	42.342 \| good	0.373 \| good	21.833 \| good	0.261 \| good
2025-07-30T07:00:00.000Z	56 \| moderate	12.341 \| fine	44.661 \| good	31.285 \| good	0.182 \| good	10.5 \| good	0.245 \| good
2025-07-30T08:00:00.000Z	58 \| moderate	12.805 \| fine	30.768 \| good	24.466 \| good	0.159 \| good	9.461 \| good	0.254 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	11.209 \| good	33.218 \| good	17.842 \| good	0.181 \| good	8.821 \| good	0.2 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	11.209 \| good	33.218 \| good	17.842 \| good	0.181 \| good	8.821 \| good	0.2 \| good
2025-07-29T13:00:00.000Z	75 \| moderate	21.81 \| fine	95.086 \| fine	38.627 \| good	0.499 \| good	2.412 \| good	0.267 \| good
2025-07-29T14:00:00.000Z	81 \| moderate	24.876 \| fine	108.875 \| fine	43.971 \| good	0.524 \| good	1.726 \| good	0.237 \| good
2025-07-29T15:00:00.000Z	82 \| moderate	25.76 \| fine	112.913 \| fine	51.12 \| good	0.549 \| good	1.041 \| good	0.206 \| good
2025-07-29T16:00:00.000Z	81 \| moderate	25.387 \| fine	110.994 \| fine	52.434 \| good	0.544 \| good	0.93 \| good	0.194 \| good
2025-07-29T17:00:00.000Z	79 \| moderate	24.34 \| fine	106.916 \| fine	51.159 \| good	0.539 \| good	0.819 \| good	0.182 \| good
2025-07-29T18:00:00.000Z	75 \| moderate	21.912 \| fine	95.258 \| fine	49.386 \| good	0.534 \| good	0.707 \| good	0.17 \| good
2025-07-29T19:00:00.000Z	69 \| moderate	19.229 \| fine	84.99 \| fine	47.014 \| good	0.482 \| good	0.855 \| good	0.167 \| good
2025-07-29T20:00:00.000Z	66 \| moderate	17.291 \| fine	76.916 \| fine	43.411 \| good	0.43 \| good	1.002 \| good	0.163 \| good
2025-07-29T21:00:00.000Z	64 \| moderate	15.893 \| fine	71.052 \| fine	44.253 \| good	0.377 \| good	1.149 \| good	0.16 \| good
2025-07-29T22:00:00.000Z	62 \| moderate	15.384 \| fine	69.002 \| fine	41.575 \| good	0.383 \| good	2.628 \| good	0.174 \| good
2025-07-29T23:00:00.000Z	62 \| moderate	15.075 \| fine	67.186 \| fine	37.051 \| good	0.388 \| good	4.107 \| good	0.189 \| good
2025-07-30T00:00:00.000Z	58 \| moderate	13.417 \| fine	60.967 \| fine	37.371 \| good	0.393 \| good	5.586 \| good	0.204 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	13.257 \| fine	59.113 \| fine	33.204 \| good	0.425 \| good	7.111 \| good	0.223 \| good
2025-07-30T02:00:00.000Z	60 \| moderate	14.14 \| fine	63.085 \| fine	29.416 \| good	0.457 \| good	8.636 \| good	0.242 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	17.661 \| fine	78.703 \| fine	27.97 \| good	0.489 \| good	10.16 \| good	0.261 \| good
2025-07-30T04:00:00.000Z	73 \| moderate	21.041 \| fine	92.762 \| fine	26.9 \| good	0.466 \| good	10.316 \| good	0.267 \| good
2025-07-30T05:00:00.000Z	79 \| moderate	23.62 \| fine	103.01 \| fine	26.006 \| good	0.442 \| good	10.471 \| good	0.273 \| good
2025-07-30T06:00:00.000Z	81 \| moderate	25.361 \| fine	110.965 \| fine	24.641 \| good	0.419 \| good	10.627 \| good	0.279 \| good
2025-07-30T07:00:00.000Z	82 \| moderate	25.523 \| fine	111.036 \| fine	20.338 \| good	0.414 \| good	9.71 \| good	0.269 \| good
2025-07-30T08:00:00.000Z	81 \| moderate	25.055 \| fine	109.143 \| fine	18.981 \| good	0.409 \| good	8.793 \| good	0.26 \| good
2025-07-30T09:00:00.000Z	81 \| moderate	24.975 \| fine	109.081 \| fine	18.457 \| good	0.403 \| good	7.876 \| good	0.251 \| good
2025-07-30T10:00:00.000Z	81 \| moderate	24.893 \| fine	108.967 \| fine	15.675 \| good	0.411 \| good	6.429 \| good	0.25 \| good
2025-07-30T11:00:00.000Z	84 \| moderate	27.125 \| fine	118.908 \| fine	18.789 \| good	0.418 \| good	4.983 \| good	0.249 \| good
2025-07-30T12:00:00.000Z	92 \| moderate	30.972 \| fine	134.851 \| fine	26.571 \| good	0.425 \| good	3.537 \| good	0.247 \| good
2025-07-30T13:00:00.000Z	92 \| moderate	31.138 \| fine	135.001 \| fine	36.128 \| good	0.463 \| good	2.73 \| good	0.219 \| good
2025-07-30T14:00:00.000Z	92 \| moderate	31.011 \| fine	135.023 \| fine	45.586 \| good	0.501 \| good	1.923 \| good	0.19 \| good
2025-07-30T15:00:00.000Z	84 \| moderate	26.72 \| fine	116.932 \| fine	52.845 \| good	0.539 \| good	1.116 \| good	0.161 \| good
2025-07-30T16:00:00.000Z	77 \| moderate	22.663 \| fine	99.081 \| fine	54.172 \| good	0.679 \| good	0.981 \| good	0.164 \| good
2025-07-30T17:00:00.000Z	75 \| moderate	21.914 \| fine	95.265 \| fine	52.089 \| good	0.819 \| good	0.847 \| good	0.167 \| good
2025-07-30T18:00:00.000Z	73 \| moderate	21.293 \| fine	93.081 \| fine	52.517 \| good	0.959 \| good	0.712 \| good	0.171 \| good
2025-07-30T19:00:00.000Z	71 \| moderate	20.297 \| fine	89.103 \| fine	53.681 \| good	0.87 \| good	0.834 \| good	0.167 \| good
2025-07-30T20:00:00.000Z	71 \| moderate	20.369 \| fine	89.195 \| fine	58.664 \| fine	0.781 \| good	0.956 \| good	0.164 \| good
2025-07-30T21:00:00.000Z	69 \| moderate	18.508 \| fine	81.231 \| fine	54.829 \| good	0.691 \| good	1.077 \| good	0.16 \| good
2025-07-30T22:00:00.000Z	71 \| moderate	19.677 \| fine	87.054 \| fine	50.901 \| good	0.678 \| good	3.016 \| good	0.181 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	19.888 \| fine	87.235 \| fine	49.383 \| good	0.665 \| good	4.954 \| good	0.201 \| good
2025-07-31T00:00:00.000Z	62 \| moderate	14.537 \| fine	65.081 \| fine	47.355 \| good	0.652 \| good	6.892 \| good	0.222 \| good
2025-07-31T01:00:00.000Z	60 \| moderate	14.318 \| fine	63.229 \| fine	46.164 \| good	0.696 \| good	9.034 \| good	0.253 \| good
2025-07-31T02:00:00.000Z	58 \| moderate	12.825 \| fine	57.23 \| fine	41.484 \| good	0.739 \| good	11.175 \| good	0.283 \| good
2025-07-31T03:00:00.000Z	54 \| moderate	11.467 \| good	51.101 \| good	39.507 \| good	0.783 \| good	13.316 \| good	0.314 \| good
2025-07-31T04:00:00.000Z	58 \| moderate	12.905 \| fine	57.267 \| fine	37.607 \| good	0.672 \| good	11.394 \| good	0.292 \| good
2025-07-31T05:00:00.000Z	58 \| moderate	13.293 \| fine	59.14 \| fine	34.49 \| good	0.562 \| good	9.472 \| good	0.269 \| good
2025-07-31T06:00:00.000Z	44 \| good	7.988 \| good	8.214 \| good	26.078 \| good	0.441 \| good	7.572 \| good	0.246 \| good
2025-07-31T07:00:00.000Z	58 \| moderate	13.365 \| fine	60.904 \| fine	26.051 \| good	0.431 \| good	5.814 \| good	0.219 \| good
2025-07-31T08:00:00.000Z	62 \| moderate	15.092 \| fine	67.164 \| fine	24.061 \| good	0.412 \| good	4.077 \| good	0.192 \| good
2025-07-31T09:00:00.000Z	64 \| moderate	15.68 \| fine	69.166 \| fine	25.386 \| good	0.392 \| good	2.341 \| good	0.165 \| good
2025-07-31T10:00:00.000Z	66 \| moderate	16.716 \| fine	74.838 \| fine	21.884 \| good	0.398 \| good	2.107 \| good	0.163 \| good
2025-07-31T11:00:00.000Z	66 \| moderate	16.735 \| fine	74.875 \| fine	23.204 \| good	0.405 \| good	1.874 \| good	0.161 \| good
2025-07-31T12:00:00.000Z	37 \| good	5.685 \| good	6.298 \| good	39.782 \| good	0.411 \| good	1.638 \| good	0.159 \| 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 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?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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