What is the current level of PM10 in Janesville, Wisconsin?

Janesville, Wisconsin currently has a PM10 concentration of 42.344 μg/m3.

What is the current level of sulfur dioxide (SO2) in Janesville, Wisconsin?

The current sulfur dioxide (SO2) concentration in Janesville, Wisconsin is 0.899 ppb.

What is the current level of ozone (O3) in Janesville, Wisconsin?

Janesville, Wisconsin currently has an ozone (O3) concentration of 47.249 ppm.

What is the current level of nitrogen dioxide (NO2) in Janesville, Wisconsin?

The current level of nitrogen dioxide (NO2) in Janesville, Wisconsin is 6.785 ppb.

Current air quality index in Janesville, Wisconsin today

Q: What is the PM2.5 concentration in Janesville, Wisconsin right now?

Janesville, Wisconsin currently has a PM2.5 concentration of 10.059 μg/m3.

Stay updated with real-time air quality in Janesville, Wisconsin 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

Janesville, Wisconsin

Last updated: ... (Local time)

Common air pollutants in Janesville, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.04 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.91 μg/m³

155

255

425

605+

Ozone (O₃)

43.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.83 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Janesville, Wisconsin

Get Live Pollen Counts

Janesville, Wisconsin

Scroll To Air Quality Map

Track live Janesville, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T05:00:00.000Z	52 \| moderate	9.77 \| good	38.306 \| good	36.996 \| good	0.524 \| good	16.672 \| good	0.273 \| good
2026-04-22T06:00:00.000Z	60 \| moderate	13.526 \| fine	37.093 \| good	34.287 \| good	0.584 \| good	15.13 \| good	0.273 \| good
2026-04-22T07:00:00.000Z	58 \| moderate	13.141 \| fine	47.233 \| good	26.047 \| good	0.652 \| good	14.653 \| good	0.245 \| good
2026-04-22T08:00:00.000Z	56 \| moderate	12.432 \| fine	50.891 \| good	28.515 \| good	0.522 \| good	10.112 \| good	0.216 \| good
2026-04-22T09:00:00.000Z	49 \| good	8.964 \| good	34.139 \| good	36.969 \| good	0.435 \| good	12.992 \| good	0.236 \| good
2026-04-22T10:00:00.000Z	44 \| good	7.609 \| good	29.825 \| good	30.72 \| good	0.432 \| good	12.79 \| good	0.245 \| good
2026-04-22T11:00:00.000Z	38 \| good	6.998 \| good	31.667 \| good	31.678 \| good	0.39 \| good	14.537 \| good	0.238 \| good
2026-04-22T12:00:00.000Z	36 \| good	6.367 \| good	39.215 \| good	26.015 \| good	0.313 \| good	13.666 \| good	0.247 \| good
2026-04-22T13:00:00.000Z	38 \| good	6.786 \| good	25.847 \| good	31.101 \| good	0.301 \| good	14.063 \| good	0.238 \| good
2026-04-22T14:00:00.000Z	49 \| good	9.481 \| good	27.716 \| good	34.077 \| good	0.235 \| good	9.516 \| good	0.232 \| good
2026-04-22T15:00:00.000Z	44 \| good	8.304 \| good	32.693 \| good	34.853 \| good	0.235 \| good	5.937 \| good	0.182 \| good
2026-04-22T16:00:00.000Z	49 \| good	8.629 \| good	27.474 \| good	40.287 \| good	0.314 \| good	5.303 \| good	0.153 \| good
2026-04-22T17:00:00.000Z	46 \| good	8.466 \| good	24.078 \| good	49.723 \| good	0.325 \| good	5.262 \| good	0.177 \| good
2026-04-22T18:00:00.000Z	49 \| good	8.504 \| good	28.45 \| good	46.78 \| good	0.326 \| good	5.748 \| good	0.192 \| good
2026-04-22T19:00:00.000Z	44 \| good	8.011 \| good	34.186 \| good	45.715 \| good	0.339 \| good	5.783 \| good	0.192 \| good
2026-04-22T20:00:00.000Z	52 \| moderate	9.502 \| good	39.301 \| good	52.56 \| good	0.887 \| good	4.039 \| good	0.182 \| good
2026-04-22T21:00:00.000Z	67 \| moderate	12.349 \| fine	34.959 \| good	60.123 \| fine	0.726 \| good	3.592 \| good	0.191 \| good
2026-04-22T22:00:00.000Z	71 \| moderate	9.284 \| good	31.331 \| good	60.761 \| fine	0.341 \| good	3.584 \| good	0.191 \| good
2026-04-22T23:00:00.000Z	64 \| moderate	9.095 \| good	32.676 \| good	58.594 \| fine	0.509 \| good	4.57 \| good	0.191 \| good
2026-04-23T00:00:00.000Z	54 \| moderate	9.829 \| good	44.141 \| good	55.731 \| fine	0.371 \| good	5.035 \| good	0.162 \| good
2026-04-23T01:00:00.000Z	50 \| good	5.397 \| good	18.676 \| good	54.49 \| good	0.647 \| good	2.328 \| good	0.227 \| good
2026-04-23T02:00:00.000Z	46 \| good	6.914 \| good	25.893 \| good	50.103 \| good	0.667 \| good	7.147 \| good	0.211 \| good
2026-04-23T03:00:00.000Z	43 \| good	6.62 \| good	35.518 \| good	45.982 \| good	0.478 \| good	8.721 \| good	0.185 \| good
2026-04-23T04:00:00.000Z	44 \| good	6.577 \| good	42.914 \| good	46.688 \| good	0.44 \| good	10.518 \| good	0.209 \| good
2026-04-23T05:00:00.000Z	44 \| good	8.023 \| good	43.979 \| good	44.128 \| good	0.325 \| good	7.548 \| good	0.165 \| good
2026-04-23T06:00:00.000Z	52 \| moderate	10.419 \| good	47.391 \| good	40.101 \| good	0.286 \| good	12.923 \| good	0.194 \| good
2026-04-23T07:00:00.000Z	67 \| moderate	18.151 \| fine	69.509 \| fine	37.816 \| good	0.486 \| good	16.204 \| good	0.156 \| good
2026-04-23T08:00:00.000Z	69 \| moderate	19.138 \| fine	89.286 \| fine	38.635 \| good	0.627 \| good	19.401 \| good	0.156 \| good
2026-04-23T09:00:00.000Z	62 \| moderate	12.382 \| fine	78.297 \| fine	37.988 \| good	0.799 \| good	19.676 \| good	0.156 \| good
2026-04-23T10:00:00.000Z	52 \| moderate	10.349 \| good	38.372 \| good	33.544 \| good	0.825 \| good	15.494 \| good	0.175 \| good
2026-04-23T11:00:00.000Z	71 \| moderate	19.77 \| fine	92.491 \| fine	27.91 \| good	0.699 \| good	14.175 \| good	0.24 \| good
2026-04-23T12:00:00.000Z	62 \| moderate	14.784 \| fine	46.016 \| good	26.93 \| good	0.389 \| good	11.564 \| good	0.277 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	13.676 \| fine	77.98 \| fine	30.897 \| good	0.376 \| good	7.099 \| good	0.268 \| good
2026-04-23T14:00:00.000Z	63 \| moderate	14.269 \| fine	78.843 \| fine	27.171 \| good	0.463 \| good	7.676 \| good	0.255 \| good
2026-04-23T15:00:00.000Z	49 \| good	9.492 \| good	51.257 \| good	31.983 \| good	0.522 \| good	6.12 \| good	0.227 \| good
2026-04-23T16:00:00.000Z	33 \| good	6.476 \| good	21.982 \| good	32.867 \| good	0.49 \| good	5.311 \| good	0.198 \| good
2026-04-23T17:00:00.000Z	37 \| good	6.019 \| good	23.917 \| good	40.123 \| good	0.603 \| good	2.35 \| good	0.227 \| good
2026-04-23T18:00:00.000Z	39 \| good	4.818 \| good	16.847 \| good	42.164 \| good	1.342 \| good	1.242 \| good	0.147 \| good
2026-04-23T19:00:00.000Z	38 \| good	4.82 \| good	17.105 \| good	41.195 \| good	1.448 \| good	1.061 \| good	0.174 \| good
2026-04-23T20:00:00.000Z	42 \| good	4.952 \| good	27.298 \| good	45.246 \| good	1.757 \| good	3.889 \| good	0.153 \| good
2026-04-23T21:00:00.000Z	42 \| good	5.255 \| good	19.441 \| good	44.916 \| good	2.379 \| good	3.601 \| good	0.153 \| good
2026-04-23T22:00:00.000Z	46 \| good	5.58 \| good	25.105 \| good	49.876 \| good	1.339 \| good	1.252 \| good	0.153 \| good
2026-04-23T23:00:00.000Z	46 \| good	7.168 \| good	30.301 \| good	50.48 \| good	0.892 \| good	1.563 \| good	0.138 \| good
2026-04-24T00:00:00.000Z	44 \| good	8.133 \| good	40.204 \| good	48.178 \| good	0.913 \| good	1.241 \| good	0.153 \| good
2026-04-24T01:00:00.000Z	48 \| good	7.489 \| good	24.757 \| good	51.782 \| good	0.919 \| good	2.628 \| good	0.162 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	10.059 \| good	42.344 \| good	47.249 \| good	0.899 \| good	6.785 \| good	0.209 \| good
2026-04-24T03:00:00.000Z	43 \| good	3.678 \| good	16.414 \| good	46.351 \| good	0.427 \| good	2.766 \| good	0.16 \| good
2026-04-24T04:00:00.000Z	54 \| moderate	11.038 \| good	47.91 \| good	43.86 \| good	0.828 \| good	4.024 \| good	0.147 \| good
2026-04-24T04:00:00.000Z	54 \| moderate	11.038 \| good	47.91 \| good	43.86 \| good	0.828 \| good	4.024 \| good	0.147 \| good
2026-04-24T03:00:00.000Z	39 \| good	4.522 \| good	19.824 \| good	41.503 \| good	0.452 \| good	2.981 \| good	0.165 \| good
2026-04-24T04:00:00.000Z	40 \| good	4.822 \| good	20.732 \| good	42.715 \| good	0.431 \| good	2.723 \| good	0.163 \| good
2026-04-24T05:00:00.000Z	42 \| good	3.428 \| good	15.124 \| good	44.57 \| good	0.41 \| good	2.465 \| good	0.16 \| good
2026-04-24T06:00:00.000Z	41 \| good	2.394 \| good	9.53 \| good	43.856 \| good	0.389 \| good	2.207 \| good	0.158 \| good
2026-04-24T07:00:00.000Z	37 \| good	2.662 \| good	10.853 \| good	40.498 \| good	0.39 \| good	2.072 \| good	0.154 \| good
2026-04-24T08:00:00.000Z	42 \| good	2.034 \| good	8.299 \| good	44.769 \| good	0.391 \| good	1.937 \| good	0.15 \| good
2026-04-24T09:00:00.000Z	36 \| good	1.955 \| good	7.956 \| good	39.115 \| good	0.392 \| good	1.802 \| good	0.145 \| good
2026-04-24T10:00:00.000Z	31 \| good	1.958 \| good	8 \| good	34.297 \| good	0.389 \| good	1.926 \| good	0.144 \| good
2026-04-24T11:00:00.000Z	31 \| good	3.007 \| good	12.194 \| good	33.731 \| good	0.386 \| good	2.05 \| good	0.143 \| good
2026-04-24T12:00:00.000Z	31 \| good	3.784 \| good	16.429 \| good	33.527 \| good	0.384 \| good	2.174 \| good	0.142 \| good
2026-04-24T13:00:00.000Z	32 \| good	5.31 \| good	22.667 \| good	35.281 \| good	0.337 \| good	2.187 \| good	0.144 \| good
2026-04-24T14:00:00.000Z	33 \| good	3.564 \| good	15.521 \| good	36.053 \| good	0.291 \| good	2.2 \| good	0.146 \| good
2026-04-24T15:00:00.000Z	33 \| good	1.308 \| good	5.137 \| good	36.182 \| good	0.244 \| good	2.213 \| good	0.148 \| good
2026-04-24T16:00:00.000Z	34 \| good	1.623 \| good	6.678 \| good	37.166 \| good	0.197 \| good	1.7 \| good	0.147 \| good
2026-04-24T17:00:00.000Z	36 \| good	2.193 \| good	8.939 \| good	39.255 \| good	0.151 \| good	1.187 \| good	0.147 \| good
2026-04-24T18:00:00.000Z	38 \| good	2.292 \| good	9.347 \| good	40.695 \| good	0.104 \| good	0.675 \| good	0.146 \| good
2026-04-24T19:00:00.000Z	40 \| good	3.087 \| good	13.019 \| good	43.268 \| good	0.106 \| good	0.658 \| good	0.148 \| good
2026-04-24T20:00:00.000Z	45 \| good	3.76 \| good	16.379 \| good	48.809 \| good	0.108 \| good	0.641 \| good	0.149 \| good
2026-04-24T21:00:00.000Z	49 \| good	3.898 \| good	16.963 \| good	53.023 \| good	0.11 \| good	0.624 \| good	0.151 \| good
2026-04-24T22:00:00.000Z	48 \| good	4.542 \| good	19.655 \| good	52.329 \| good	0.126 \| good	1.087 \| good	0.153 \| good
2026-04-24T23:00:00.000Z	46 \| good	5.423 \| good	23.592 \| good	49.989 \| good	0.142 \| good	1.55 \| good	0.155 \| good
2026-04-25T00:00:00.000Z	43 \| good	5.174 \| good	22.303 \| good	46.386 \| good	0.158 \| good	2.013 \| good	0.157 \| good
2026-04-25T01:00:00.000Z	30 \| good	5.088 \| good	22.006 \| good	31.717 \| good	0.19 \| good	2.483 \| good	0.158 \| good
2026-04-25T02:00:00.000Z	27 \| good	5.022 \| good	21.8 \| good	28.057 \| good	0.223 \| good	2.954 \| good	0.16 \| good
2026-04-25T03:00:00.000Z	28 \| good	4.485 \| good	19.428 \| good	29.538 \| good	0.255 \| good	3.424 \| good	0.162 \| good
2026-04-25T04:00:00.000Z	27 \| good	3.986 \| good	17.289 \| good	28.97 \| good	0.326 \| good	3.527 \| good	0.162 \| good
2026-04-25T05:00:00.000Z	24 \| good	3.374 \| good	14.771 \| good	26.493 \| good	0.397 \| good	3.63 \| good	0.163 \| good
2026-04-25T06:00:00.000Z	21 \| good	2.654 \| good	10.95 \| good	22.913 \| good	0.467 \| good	3.733 \| good	0.163 \| good
2026-04-25T07:00:00.000Z	21 \| good	2.652 \| good	10.781 \| good	22.646 \| good	0.47 \| good	3.662 \| good	0.165 \| good
2026-04-25T08:00:00.000Z	22 \| good	2.282 \| good	9.376 \| good	23.708 \| good	0.472 \| good	3.591 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	19 \| good	2.645 \| good	10.789 \| good	20.872 \| good	0.474 \| good	3.52 \| good	0.167 \| good
2026-04-25T10:00:00.000Z	16 \| good	3.475 \| good	15.345 \| good	15.545 \| good	0.371 \| good	3.096 \| good	0.169 \| good
2026-04-25T11:00:00.000Z	38 \| good	6.697 \| good	30 \| good	22.081 \| good	0.268 \| good	2.673 \| good	0.171 \| good
2026-04-25T12:00:00.000Z	29 \| good	5.494 \| good	23.507 \| good	30.91 \| good	0.165 \| good	2.25 \| good	0.173 \| good
2026-04-25T13:00:00.000Z	37 \| good	3.78 \| good	16.227 \| good	39.589 \| good	0.174 \| good	1.999 \| good	0.172 \| good
2026-04-25T14:00:00.000Z	39 \| good	3.073 \| good	13.019 \| good	42.388 \| good	0.182 \| good	1.747 \| good	0.172 \| good
2026-04-25T15:00:00.000Z	42 \| good	2.527 \| good	10.426 \| good	44.788 \| good	0.191 \| good	1.495 \| good	0.171 \| good
2026-04-25T16:00:00.000Z	44 \| good	2.46 \| good	10.215 \| good	46.708 \| good	0.213 \| good	1.285 \| good	0.166 \| good
2026-04-25T17:00:00.000Z	46 \| good	2.768 \| good	11.392 \| good	50.475 \| good	0.234 \| good	1.074 \| good	0.161 \| good
2026-04-25T18:00:00.000Z	49 \| good	2.8 \| good	11.426 \| good	53.494 \| good	0.255 \| good	0.863 \| good	0.156 \| good
2026-04-25T19:00:00.000Z	51 \| moderate	3.287 \| good	14.461 \| good	54.944 \| good	0.262 \| good	0.84 \| good	0.154 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	3.883 \| good	16.997 \| good	58.096 \| fine	0.268 \| good	0.816 \| good	0.152 \| good
2026-04-25T21:00:00.000Z	64 \| moderate	4.595 \| good	20.116 \| good	58.621 \| fine	0.274 \| good	0.793 \| good	0.15 \| good
2026-04-25T22:00:00.000Z	61 \| moderate	5.034 \| good	21.745 \| good	57.804 \| fine	0.28 \| good	1.456 \| good	0.154 \| good
2026-04-25T23:00:00.000Z	51 \| moderate	3.882 \| good	16.983 \| good	55.472 \| fine	0.285 \| good	2.12 \| good	0.158 \| good
2026-04-26T00:00:00.000Z	42 \| good	2.779 \| good	3.278 \| good	44.73 \| good	0.29 \| good	2.784 \| good	0.162 \| good
2026-04-26T01:00:00.000Z	38 \| good	3.727 \| good	16.197 \| good	40.73 \| good	0.323 \| good	3.582 \| good	0.168 \| good
2026-04-26T02:00:00.000Z	31 \| good	4.367 \| good	19.1 \| good	33.967 \| good	0.355 \| good	4.379 \| good	0.174 \| good

Janesville

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Janesville, Wisconsin

0.21ppm

How accurate is Wisconsin, USA air quality data?

The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Janesville, Wisconsin get updated?

Air quality updates for Janesville, Wisconsin are available every hour.

What time in the past 24 hours saw the poorest air quality in Janesville, Wisconsin?

Janesville, Wisconsin experienced its worst air quality at 11:00:00, 2026-04-23.

When was air quality in Janesville, Wisconsin the best over the past 24 hours?

The best air quality in Janesville, Wisconsin was observed at 04:00:00 on 2026-04-23.

What is the air quality in Janesville, Wisconsin right now?

The air quality in Janesville, Wisconsin right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Janesville, Wisconsin?

In Janesville, Wisconsin, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Janesville, Wisconsin is poor?

When air quality in Janesville, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Janesville, Wisconsin right now?

Janesville, Wisconsin currently has a PM_2.5 concentration of 10.059 μg/m³.

What is the current level of PM₁₀ in Janesville, Wisconsin?

Janesville, Wisconsin currently has a PM₁₀ concentration of 42.344 μg/m³.

What is the current level of carbon monoxide (CO) in Janesville, Wisconsin?

The current carbon monoxide (CO) level in Janesville, Wisconsin is 0.209 ppm.

What is the current level of sulfur dioxide (SO₂) in Janesville, Wisconsin?

The current sulfur dioxide (SO₂) concentration in Janesville, Wisconsin is 0.899 ppb.

What is the current level of ozone (O₃) in Janesville, Wisconsin?

Janesville, Wisconsin currently has an ozone (O₃) concentration of 47.249 ppm.

What is the current level of nitrogen dioxide (NO₂) in Janesville, Wisconsin?

The current level of nitrogen dioxide (NO₂) in Janesville, Wisconsin is 6.785 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T05:00:00.000Z	52 \| moderate	9.77 \| good	38.306 \| good	36.996 \| good	0.524 \| good	16.672 \| good	0.273 \| good
2026-04-22T06:00:00.000Z	60 \| moderate	13.526 \| fine	37.093 \| good	34.287 \| good	0.584 \| good	15.13 \| good	0.273 \| good
2026-04-22T07:00:00.000Z	58 \| moderate	13.141 \| fine	47.233 \| good	26.047 \| good	0.652 \| good	14.653 \| good	0.245 \| good
2026-04-22T08:00:00.000Z	56 \| moderate	12.432 \| fine	50.891 \| good	28.515 \| good	0.522 \| good	10.112 \| good	0.216 \| good
2026-04-22T09:00:00.000Z	49 \| good	8.964 \| good	34.139 \| good	36.969 \| good	0.435 \| good	12.992 \| good	0.236 \| good
2026-04-22T10:00:00.000Z	44 \| good	7.609 \| good	29.825 \| good	30.72 \| good	0.432 \| good	12.79 \| good	0.245 \| good
2026-04-22T11:00:00.000Z	38 \| good	6.998 \| good	31.667 \| good	31.678 \| good	0.39 \| good	14.537 \| good	0.238 \| good
2026-04-22T12:00:00.000Z	36 \| good	6.367 \| good	39.215 \| good	26.015 \| good	0.313 \| good	13.666 \| good	0.247 \| good
2026-04-22T13:00:00.000Z	38 \| good	6.786 \| good	25.847 \| good	31.101 \| good	0.301 \| good	14.063 \| good	0.238 \| good
2026-04-22T14:00:00.000Z	49 \| good	9.481 \| good	27.716 \| good	34.077 \| good	0.235 \| good	9.516 \| good	0.232 \| good
2026-04-22T15:00:00.000Z	44 \| good	8.304 \| good	32.693 \| good	34.853 \| good	0.235 \| good	5.937 \| good	0.182 \| good
2026-04-22T16:00:00.000Z	49 \| good	8.629 \| good	27.474 \| good	40.287 \| good	0.314 \| good	5.303 \| good	0.153 \| good
2026-04-22T17:00:00.000Z	46 \| good	8.466 \| good	24.078 \| good	49.723 \| good	0.325 \| good	5.262 \| good	0.177 \| good
2026-04-22T18:00:00.000Z	49 \| good	8.504 \| good	28.45 \| good	46.78 \| good	0.326 \| good	5.748 \| good	0.192 \| good
2026-04-22T19:00:00.000Z	44 \| good	8.011 \| good	34.186 \| good	45.715 \| good	0.339 \| good	5.783 \| good	0.192 \| good
2026-04-22T20:00:00.000Z	52 \| moderate	9.502 \| good	39.301 \| good	52.56 \| good	0.887 \| good	4.039 \| good	0.182 \| good
2026-04-22T21:00:00.000Z	67 \| moderate	12.349 \| fine	34.959 \| good	60.123 \| fine	0.726 \| good	3.592 \| good	0.191 \| good
2026-04-22T22:00:00.000Z	71 \| moderate	9.284 \| good	31.331 \| good	60.761 \| fine	0.341 \| good	3.584 \| good	0.191 \| good
2026-04-22T23:00:00.000Z	64 \| moderate	9.095 \| good	32.676 \| good	58.594 \| fine	0.509 \| good	4.57 \| good	0.191 \| good
2026-04-23T00:00:00.000Z	54 \| moderate	9.829 \| good	44.141 \| good	55.731 \| fine	0.371 \| good	5.035 \| good	0.162 \| good
2026-04-23T01:00:00.000Z	50 \| good	5.397 \| good	18.676 \| good	54.49 \| good	0.647 \| good	2.328 \| good	0.227 \| good
2026-04-23T02:00:00.000Z	46 \| good	6.914 \| good	25.893 \| good	50.103 \| good	0.667 \| good	7.147 \| good	0.211 \| good
2026-04-23T03:00:00.000Z	43 \| good	6.62 \| good	35.518 \| good	45.982 \| good	0.478 \| good	8.721 \| good	0.185 \| good
2026-04-23T04:00:00.000Z	44 \| good	6.577 \| good	42.914 \| good	46.688 \| good	0.44 \| good	10.518 \| good	0.209 \| good
2026-04-23T05:00:00.000Z	44 \| good	8.023 \| good	43.979 \| good	44.128 \| good	0.325 \| good	7.548 \| good	0.165 \| good
2026-04-23T06:00:00.000Z	52 \| moderate	10.419 \| good	47.391 \| good	40.101 \| good	0.286 \| good	12.923 \| good	0.194 \| good
2026-04-23T07:00:00.000Z	67 \| moderate	18.151 \| fine	69.509 \| fine	37.816 \| good	0.486 \| good	16.204 \| good	0.156 \| good
2026-04-23T08:00:00.000Z	69 \| moderate	19.138 \| fine	89.286 \| fine	38.635 \| good	0.627 \| good	19.401 \| good	0.156 \| good
2026-04-23T09:00:00.000Z	62 \| moderate	12.382 \| fine	78.297 \| fine	37.988 \| good	0.799 \| good	19.676 \| good	0.156 \| good
2026-04-23T10:00:00.000Z	52 \| moderate	10.349 \| good	38.372 \| good	33.544 \| good	0.825 \| good	15.494 \| good	0.175 \| good
2026-04-23T11:00:00.000Z	71 \| moderate	19.77 \| fine	92.491 \| fine	27.91 \| good	0.699 \| good	14.175 \| good	0.24 \| good
2026-04-23T12:00:00.000Z	62 \| moderate	14.784 \| fine	46.016 \| good	26.93 \| good	0.389 \| good	11.564 \| good	0.277 \| good
2026-04-23T13:00:00.000Z	62 \| moderate	13.676 \| fine	77.98 \| fine	30.897 \| good	0.376 \| good	7.099 \| good	0.268 \| good
2026-04-23T14:00:00.000Z	63 \| moderate	14.269 \| fine	78.843 \| fine	27.171 \| good	0.463 \| good	7.676 \| good	0.255 \| good
2026-04-23T15:00:00.000Z	49 \| good	9.492 \| good	51.257 \| good	31.983 \| good	0.522 \| good	6.12 \| good	0.227 \| good
2026-04-23T16:00:00.000Z	33 \| good	6.476 \| good	21.982 \| good	32.867 \| good	0.49 \| good	5.311 \| good	0.198 \| good
2026-04-23T17:00:00.000Z	37 \| good	6.019 \| good	23.917 \| good	40.123 \| good	0.603 \| good	2.35 \| good	0.227 \| good
2026-04-23T18:00:00.000Z	39 \| good	4.818 \| good	16.847 \| good	42.164 \| good	1.342 \| good	1.242 \| good	0.147 \| good
2026-04-23T19:00:00.000Z	38 \| good	4.82 \| good	17.105 \| good	41.195 \| good	1.448 \| good	1.061 \| good	0.174 \| good
2026-04-23T20:00:00.000Z	42 \| good	4.952 \| good	27.298 \| good	45.246 \| good	1.757 \| good	3.889 \| good	0.153 \| good
2026-04-23T21:00:00.000Z	42 \| good	5.255 \| good	19.441 \| good	44.916 \| good	2.379 \| good	3.601 \| good	0.153 \| good
2026-04-23T22:00:00.000Z	46 \| good	5.58 \| good	25.105 \| good	49.876 \| good	1.339 \| good	1.252 \| good	0.153 \| good
2026-04-23T23:00:00.000Z	46 \| good	7.168 \| good	30.301 \| good	50.48 \| good	0.892 \| good	1.563 \| good	0.138 \| good
2026-04-24T00:00:00.000Z	44 \| good	8.133 \| good	40.204 \| good	48.178 \| good	0.913 \| good	1.241 \| good	0.153 \| good
2026-04-24T01:00:00.000Z	48 \| good	7.489 \| good	24.757 \| good	51.782 \| good	0.919 \| good	2.628 \| good	0.162 \| good
2026-04-24T02:00:00.000Z	52 \| moderate	10.059 \| good	42.344 \| good	47.249 \| good	0.899 \| good	6.785 \| good	0.209 \| good
2026-04-24T03:00:00.000Z	43 \| good	3.678 \| good	16.414 \| good	46.351 \| good	0.427 \| good	2.766 \| good	0.16 \| good
2026-04-24T04:00:00.000Z	54 \| moderate	11.038 \| good	47.91 \| good	43.86 \| good	0.828 \| good	4.024 \| good	0.147 \| good
2026-04-24T04:00:00.000Z	54 \| moderate	11.038 \| good	47.91 \| good	43.86 \| good	0.828 \| good	4.024 \| good	0.147 \| good
2026-04-24T03:00:00.000Z	39 \| good	4.522 \| good	19.824 \| good	41.503 \| good	0.452 \| good	2.981 \| good	0.165 \| good
2026-04-24T04:00:00.000Z	40 \| good	4.822 \| good	20.732 \| good	42.715 \| good	0.431 \| good	2.723 \| good	0.163 \| good
2026-04-24T05:00:00.000Z	42 \| good	3.428 \| good	15.124 \| good	44.57 \| good	0.41 \| good	2.465 \| good	0.16 \| good
2026-04-24T06:00:00.000Z	41 \| good	2.394 \| good	9.53 \| good	43.856 \| good	0.389 \| good	2.207 \| good	0.158 \| good
2026-04-24T07:00:00.000Z	37 \| good	2.662 \| good	10.853 \| good	40.498 \| good	0.39 \| good	2.072 \| good	0.154 \| good
2026-04-24T08:00:00.000Z	42 \| good	2.034 \| good	8.299 \| good	44.769 \| good	0.391 \| good	1.937 \| good	0.15 \| good
2026-04-24T09:00:00.000Z	36 \| good	1.955 \| good	7.956 \| good	39.115 \| good	0.392 \| good	1.802 \| good	0.145 \| good
2026-04-24T10:00:00.000Z	31 \| good	1.958 \| good	8 \| good	34.297 \| good	0.389 \| good	1.926 \| good	0.144 \| good
2026-04-24T11:00:00.000Z	31 \| good	3.007 \| good	12.194 \| good	33.731 \| good	0.386 \| good	2.05 \| good	0.143 \| good
2026-04-24T12:00:00.000Z	31 \| good	3.784 \| good	16.429 \| good	33.527 \| good	0.384 \| good	2.174 \| good	0.142 \| good
2026-04-24T13:00:00.000Z	32 \| good	5.31 \| good	22.667 \| good	35.281 \| good	0.337 \| good	2.187 \| good	0.144 \| good
2026-04-24T14:00:00.000Z	33 \| good	3.564 \| good	15.521 \| good	36.053 \| good	0.291 \| good	2.2 \| good	0.146 \| good
2026-04-24T15:00:00.000Z	33 \| good	1.308 \| good	5.137 \| good	36.182 \| good	0.244 \| good	2.213 \| good	0.148 \| good
2026-04-24T16:00:00.000Z	34 \| good	1.623 \| good	6.678 \| good	37.166 \| good	0.197 \| good	1.7 \| good	0.147 \| good
2026-04-24T17:00:00.000Z	36 \| good	2.193 \| good	8.939 \| good	39.255 \| good	0.151 \| good	1.187 \| good	0.147 \| good
2026-04-24T18:00:00.000Z	38 \| good	2.292 \| good	9.347 \| good	40.695 \| good	0.104 \| good	0.675 \| good	0.146 \| good
2026-04-24T19:00:00.000Z	40 \| good	3.087 \| good	13.019 \| good	43.268 \| good	0.106 \| good	0.658 \| good	0.148 \| good
2026-04-24T20:00:00.000Z	45 \| good	3.76 \| good	16.379 \| good	48.809 \| good	0.108 \| good	0.641 \| good	0.149 \| good
2026-04-24T21:00:00.000Z	49 \| good	3.898 \| good	16.963 \| good	53.023 \| good	0.11 \| good	0.624 \| good	0.151 \| good
2026-04-24T22:00:00.000Z	48 \| good	4.542 \| good	19.655 \| good	52.329 \| good	0.126 \| good	1.087 \| good	0.153 \| good
2026-04-24T23:00:00.000Z	46 \| good	5.423 \| good	23.592 \| good	49.989 \| good	0.142 \| good	1.55 \| good	0.155 \| good
2026-04-25T00:00:00.000Z	43 \| good	5.174 \| good	22.303 \| good	46.386 \| good	0.158 \| good	2.013 \| good	0.157 \| good
2026-04-25T01:00:00.000Z	30 \| good	5.088 \| good	22.006 \| good	31.717 \| good	0.19 \| good	2.483 \| good	0.158 \| good
2026-04-25T02:00:00.000Z	27 \| good	5.022 \| good	21.8 \| good	28.057 \| good	0.223 \| good	2.954 \| good	0.16 \| good
2026-04-25T03:00:00.000Z	28 \| good	4.485 \| good	19.428 \| good	29.538 \| good	0.255 \| good	3.424 \| good	0.162 \| good
2026-04-25T04:00:00.000Z	27 \| good	3.986 \| good	17.289 \| good	28.97 \| good	0.326 \| good	3.527 \| good	0.162 \| good
2026-04-25T05:00:00.000Z	24 \| good	3.374 \| good	14.771 \| good	26.493 \| good	0.397 \| good	3.63 \| good	0.163 \| good
2026-04-25T06:00:00.000Z	21 \| good	2.654 \| good	10.95 \| good	22.913 \| good	0.467 \| good	3.733 \| good	0.163 \| good
2026-04-25T07:00:00.000Z	21 \| good	2.652 \| good	10.781 \| good	22.646 \| good	0.47 \| good	3.662 \| good	0.165 \| good
2026-04-25T08:00:00.000Z	22 \| good	2.282 \| good	9.376 \| good	23.708 \| good	0.472 \| good	3.591 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	19 \| good	2.645 \| good	10.789 \| good	20.872 \| good	0.474 \| good	3.52 \| good	0.167 \| good
2026-04-25T10:00:00.000Z	16 \| good	3.475 \| good	15.345 \| good	15.545 \| good	0.371 \| good	3.096 \| good	0.169 \| good
2026-04-25T11:00:00.000Z	38 \| good	6.697 \| good	30 \| good	22.081 \| good	0.268 \| good	2.673 \| good	0.171 \| good
2026-04-25T12:00:00.000Z	29 \| good	5.494 \| good	23.507 \| good	30.91 \| good	0.165 \| good	2.25 \| good	0.173 \| good
2026-04-25T13:00:00.000Z	37 \| good	3.78 \| good	16.227 \| good	39.589 \| good	0.174 \| good	1.999 \| good	0.172 \| good
2026-04-25T14:00:00.000Z	39 \| good	3.073 \| good	13.019 \| good	42.388 \| good	0.182 \| good	1.747 \| good	0.172 \| good
2026-04-25T15:00:00.000Z	42 \| good	2.527 \| good	10.426 \| good	44.788 \| good	0.191 \| good	1.495 \| good	0.171 \| good
2026-04-25T16:00:00.000Z	44 \| good	2.46 \| good	10.215 \| good	46.708 \| good	0.213 \| good	1.285 \| good	0.166 \| good
2026-04-25T17:00:00.000Z	46 \| good	2.768 \| good	11.392 \| good	50.475 \| good	0.234 \| good	1.074 \| good	0.161 \| good
2026-04-25T18:00:00.000Z	49 \| good	2.8 \| good	11.426 \| good	53.494 \| good	0.255 \| good	0.863 \| good	0.156 \| good
2026-04-25T19:00:00.000Z	51 \| moderate	3.287 \| good	14.461 \| good	54.944 \| good	0.262 \| good	0.84 \| good	0.154 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	3.883 \| good	16.997 \| good	58.096 \| fine	0.268 \| good	0.816 \| good	0.152 \| good
2026-04-25T21:00:00.000Z	64 \| moderate	4.595 \| good	20.116 \| good	58.621 \| fine	0.274 \| good	0.793 \| good	0.15 \| good
2026-04-25T22:00:00.000Z	61 \| moderate	5.034 \| good	21.745 \| good	57.804 \| fine	0.28 \| good	1.456 \| good	0.154 \| good
2026-04-25T23:00:00.000Z	51 \| moderate	3.882 \| good	16.983 \| good	55.472 \| fine	0.285 \| good	2.12 \| good	0.158 \| good
2026-04-26T00:00:00.000Z	42 \| good	2.779 \| good	3.278 \| good	44.73 \| good	0.29 \| good	2.784 \| good	0.162 \| good
2026-04-26T01:00:00.000Z	38 \| good	3.727 \| good	16.197 \| good	40.73 \| good	0.323 \| good	3.582 \| good	0.168 \| good
2026-04-26T02:00:00.000Z	31 \| good	4.367 \| good	19.1 \| good	33.967 \| good	0.355 \| good	4.379 \| good	0.174 \| good

Current air quality index in Janesville, Wisconsin today

Common air pollutants in Janesville, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Janesville, Wisconsin air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Janesville, Wisconsin

Air quality in nearby cities

Beloit, Wisconsin

Whitewater, Wisconsin

Roscoe, Illinois

Stoughton, Wisconsin

Fort Atkinson, Wisconsin

Machesney Park, Illinois

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Frequently asked questions

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What is the PM2.5 concentration in Janesville, Wisconsin right now?

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What is the current level of carbon monoxide (CO) in Janesville, Wisconsin?

What is the current level of sulfur dioxide (SO2) in Janesville, Wisconsin?

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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 PM_2.5 concentration in Janesville, Wisconsin right now?

What is the current level of PM₁₀ in Janesville, Wisconsin?

What is the current level of sulfur dioxide (SO₂) in Janesville, Wisconsin?

What is the current level of ozone (O₃) in Janesville, Wisconsin?

What is the current level of nitrogen dioxide (NO₂) in Janesville, Wisconsin?