What is the current concentration of PM10 in Caldwell, Idaho?

The current PM10 concentration at Caldwell, Idaho is 11.941 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Caldwell, Idaho?

The current sulfur dioxide (SO2) concentration at Caldwell, Idaho is 2.57 ppb.

What is the current concentration of ozone (O3) in Caldwell, Idaho?

The current ozone (O3) concentration at Caldwell, Idaho is 41.073 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Caldwell, Idaho?

The current nitrogen dioxide (NO2) concentration at Caldwell, Idaho is 2.313 ppb.

Caldwell, Idaho live air quality index now

Q: What is the current concentration of PM2.5 in Caldwell, Idaho?

The current PM2.5 concentration at Caldwell, Idaho is 2.923 μg/m3.

Stay updated with real-time air quality in Caldwell, Idaho 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

Caldwell, Idaho

Last updated: ... (Local time)

Major air pollutants in Caldwell, Idaho

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.94 μg/m³

155

255

425

605+

Ozone (O₃)

41.07 ppb

201

201+

Sulfur Dioxide (SO₂)

2.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Caldwell, Idaho

Scroll To Air Quality Map

Track live Caldwell, Idaho air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-09T02:00:00.000Z	52 \| moderate	10.182 \| good	35.963 \| good	34.954 \| good	0.529 \| good	4.176 \| good	0.159 \| good
2026-02-09T03:00:00.000Z	54 \| moderate	10.703 \| good	25.717 \| good	36.284 \| good	0.599 \| good	6.395 \| good	0.14 \| good
2026-02-09T04:00:00.000Z	49 \| good	8.87 \| good	10.327 \| good	36.731 \| good	1.547 \| good	6.968 \| good	0.179 \| good
2026-02-09T05:00:00.000Z	38 \| good	6.805 \| good	16.832 \| good	40.085 \| good	0.655 \| good	8.316 \| good	0.219 \| good
2026-02-09T06:00:00.000Z	38 \| good	6.72 \| good	11.127 \| good	40.492 \| good	1.629 \| good	9.749 \| good	0.219 \| good
2026-02-09T07:00:00.000Z	38 \| good	6.975 \| good	13.121 \| good	38.632 \| good	3.776 \| good	7.103 \| good	0.199 \| good
2026-02-09T08:00:00.000Z	35 \| good	5.768 \| good	19.073 \| good	38.237 \| good	1.924 \| good	5.457 \| good	0.199 \| good
2026-02-09T09:00:00.000Z	33 \| good	5.917 \| good	16.925 \| good	36.297 \| good	2.865 \| good	4.415 \| good	0.198 \| good
2026-02-09T10:00:00.000Z	44 \| good	8.378 \| good	19.975 \| good	26.087 \| good	5.382 \| good	4.709 \| good	0.14 \| good
2026-02-09T11:00:00.000Z	25 \| good	3.177 \| good	16.389 \| good	26.81 \| good	1.121 \| good	3.039 \| good	0.14 \| good
2026-02-09T12:00:00.000Z	26 \| good	1.886 \| good	5.397 \| good	28.021 \| good	0.751 \| good	3.164 \| good	0.14 \| good
2026-02-09T13:00:00.000Z	34 \| good	1.777 \| good	7.227 \| good	36.809 \| good	1.34 \| good	3.204 \| good	0.159 \| good
2026-02-09T14:00:00.000Z	29 \| good	1.949 \| good	30.547 \| good	22.213 \| good	3.909 \| good	5.142 \| good	0.159 \| good
2026-02-09T15:00:00.000Z	29 \| good	1.602 \| good	11.947 \| good	30.81 \| good	4.415 \| good	5.914 \| good	0.159 \| good
2026-02-09T16:00:00.000Z	36 \| good	1.276 \| good	7.622 \| good	38.59 \| good	3.42 \| good	5.261 \| good	0.159 \| good
2026-02-09T17:00:00.000Z	31 \| good	2.966 \| good	14.845 \| good	34.364 \| good	4.033 \| good	5.039 \| good	0.159 \| good
2026-02-09T18:00:00.000Z	32 \| good	3.057 \| good	7.966 \| good	35.268 \| good	4.617 \| good	3.289 \| good	0.179 \| good
2026-02-09T19:00:00.000Z	38 \| good	3.283 \| good	5.555 \| good	40.836 \| good	4.693 \| good	3.303 \| good	0.18 \| good
2026-02-09T20:00:00.000Z	33 \| good	2.822 \| good	8.15 \| good	36.24 \| good	1.824 \| good	3.372 \| good	0.179 \| good
2026-02-09T21:00:00.000Z	38 \| good	1.973 \| good	4.696 \| good	40.997 \| good	0.868 \| good	2.967 \| good	0.159 \| good
2026-02-09T22:00:00.000Z	35 \| good	2.936 \| good	6.344 \| good	38.115 \| good	0.507 \| good	2.43 \| good	0.179 \| good
2026-02-09T23:00:00.000Z	36 \| good	2.236 \| good	5.771 \| good	38.746 \| good	0.647 \| good	2.109 \| good	0.18 \| good
2026-02-10T00:00:00.000Z	35 \| good	3.035 \| good	12.113 \| good	38.114 \| good	0.659 \| good	1.673 \| good	0.22 \| good
2026-02-10T01:00:00.000Z	38 \| good	1.848 \| good	6.329 \| good	40.748 \| good	0.541 \| good	2.18 \| good	0.2 \| good
2026-02-10T02:00:00.000Z	35 \| good	2.662 \| good	11.646 \| good	38.009 \| good	0.487 \| good	5.64 \| good	0.159 \| good
2026-02-10T03:00:00.000Z	31 \| good	5.301 \| good	28.592 \| good	33.228 \| good	2.25 \| good	7.456 \| good	0.238 \| good
2026-02-10T04:00:00.000Z	44 \| good	7.645 \| good	37.417 \| good	25.378 \| good	3.207 \| good	6.631 \| good	0.277 \| good
2026-02-10T05:00:00.000Z	34 \| good	6.352 \| good	37.458 \| good	21.596 \| good	2.229 \| good	7.062 \| good	0.277 \| good
2026-02-10T06:00:00.000Z	49 \| good	9.381 \| good	36.787 \| good	28.192 \| good	5.202 \| good	7.723 \| good	0.237 \| good
2026-02-10T07:00:00.000Z	54 \| moderate	10.793 \| good	58.282 \| fine	34.307 \| good	4.617 \| good	5.38 \| good	0.256 \| good
2026-02-10T08:00:00.000Z	49 \| good	9.322 \| good	41.441 \| good	25.863 \| good	5.09 \| good	6.397 \| good	0.217 \| good
2026-02-10T09:00:00.000Z	58 \| moderate	12.664 \| fine	41.359 \| good	24.119 \| good	4.991 \| good	6.213 \| good	0.278 \| good
2026-02-10T10:00:00.000Z	38 \| good	6.872 \| good	40.961 \| good	25.306 \| good	5.474 \| good	5.804 \| good	0.298 \| good
2026-02-10T11:00:00.000Z	51 \| moderate	9.175 \| good	56.027 \| fine	24.676 \| good	2.355 \| good	5.161 \| good	0.236 \| good
2026-02-10T12:00:00.000Z	38 \| good	5.759 \| good	41.403 \| good	18.59 \| good	0.84 \| good	4.137 \| good	0.199 \| good
2026-02-10T13:00:00.000Z	30 \| good	5.294 \| good	31.789 \| good	19.44 \| good	0.656 \| good	6.277 \| good	0.178 \| good
2026-02-10T14:00:00.000Z	22 \| good	4.282 \| good	17.1 \| good	14.842 \| good	0.743 \| good	8.169 \| good	0.219 \| good
2026-02-10T15:00:00.000Z	44 \| good	7.598 \| good	41.323 \| good	23.203 \| good	0.78 \| good	8.837 \| good	0.276 \| good
2026-02-10T16:00:00.000Z	33 \| good	5.608 \| good	28.329 \| good	28.938 \| good	0.743 \| good	14.179 \| good	0.335 \| good
2026-02-10T17:00:00.000Z	27 \| good	5.44 \| good	20.457 \| good	27.925 \| good	1.071 \| good	16.856 \| good	0.337 \| good
2026-02-10T18:00:00.000Z	38 \| good	7.133 \| good	38.278 \| good	25.572 \| good	1.329 \| good	11.162 \| good	0.279 \| good
2026-02-10T19:00:00.000Z	30 \| good	5.063 \| good	22.716 \| good	31.667 \| good	1.893 \| good	4.913 \| good	0.258 \| good
2026-02-10T20:00:00.000Z	31 \| good	3.586 \| good	21.566 \| good	34.284 \| good	1.75 \| good	3.616 \| good	0.239 \| good
2026-02-10T21:00:00.000Z	34 \| good	3.267 \| good	15.337 \| good	37.355 \| good	1.686 \| good	1.903 \| good	0.219 \| good
2026-02-10T22:00:00.000Z	35 \| good	3.262 \| good	14.675 \| good	37.904 \| good	3.986 \| good	1.474 \| good	0.218 \| good
2026-02-10T23:00:00.000Z	37 \| good	5.033 \| good	20.611 \| good	40.195 \| good	3.359 \| good	1.615 \| good	0.218 \| good
2026-02-11T00:00:00.000Z	37 \| good	2.671 \| good	9.82 \| good	40.315 \| good	2.592 \| good	2.313 \| good	0.219 \| good
2026-02-11T01:00:00.000Z	38 \| good	2.923 \| good	11.941 \| good	41.073 \| good	2.57 \| good	2.313 \| good	0.219 \| good
2026-02-11T02:00:00.000Z	52 \| moderate	9.981 \| good	44.506 \| good	36.572 \| good	0.411 \| good	5.777 \| good	0.194 \| good
2026-02-11T03:00:00.000Z	54 \| moderate	11.126 \| good	49.609 \| good	29.688 \| good	0.463 \| good	8.084 \| good	0.22 \| good
2026-02-11T04:00:00.000Z	62 \| moderate	14.786 \| fine	66.462 \| fine	22.525 \| good	0.456 \| good	8.645 \| good	0.226 \| good
2026-02-11T05:00:00.000Z	62 \| moderate	15.095 \| fine	68.262 \| fine	22.046 \| good	0.449 \| good	9.205 \| good	0.232 \| good
2026-02-11T06:00:00.000Z	64 \| moderate	16.309 \| fine	72.579 \| fine	16.451 \| good	0.442 \| good	9.766 \| good	0.238 \| good
2026-02-11T07:00:00.000Z	64 \| moderate	15.884 \| fine	70.53 \| fine	25.419 \| good	0.384 \| good	8.377 \| good	0.225 \| good
2026-02-11T08:00:00.000Z	60 \| moderate	14.181 \| fine	62.787 \| fine	19.23 \| good	0.326 \| good	6.988 \| good	0.212 \| good
2026-02-11T09:00:00.000Z	56 \| moderate	12.32 \| fine	56.335 \| fine	14.124 \| good	0.267 \| good	5.6 \| good	0.2 \| good
2026-02-11T10:00:00.000Z	56 \| moderate	12.151 \| fine	54.408 \| good	21.726 \| good	0.256 \| good	4.808 \| good	0.19 \| good
2026-02-11T11:00:00.000Z	44 \| good	7.958 \| good	34.879 \| good	13.79 \| good	0.245 \| good	4.016 \| good	0.18 \| good
2026-02-11T12:00:00.000Z	27 \| good	5.216 \| good	22.899 \| good	19.349 \| good	0.234 \| good	3.224 \| good	0.17 \| good
2026-02-11T13:00:00.000Z	38 \| good	6.521 \| good	28.74 \| good	22.127 \| good	0.247 \| good	3.624 \| good	0.174 \| good
2026-02-11T14:00:00.000Z	49 \| good	8.944 \| good	40.372 \| good	19.744 \| good	0.261 \| good	4.023 \| good	0.177 \| good
2026-02-11T15:00:00.000Z	60 \| moderate	13.637 \| fine	61.092 \| fine	25.782 \| good	0.274 \| good	4.422 \| good	0.181 \| good
2026-02-11T16:00:00.000Z	44 \| good	7.545 \| good	33.16 \| good	30.415 \| good	0.311 \| good	4.263 \| good	0.184 \| good
2026-02-11T17:00:00.000Z	44 \| good	8.254 \| good	36.116 \| good	34.162 \| good	0.347 \| good	4.104 \| good	0.187 \| good
2026-02-11T18:00:00.000Z	44 \| good	7.591 \| good	33.714 \| good	35.535 \| good	0.384 \| good	3.944 \| good	0.19 \| good
2026-02-11T19:00:00.000Z	38 \| good	7.397 \| good	32.781 \| good	36.71 \| good	0.409 \| good	3.523 \| good	0.182 \| good
2026-02-11T20:00:00.000Z	36 \| good	5.013 \| good	21.877 \| good	39.425 \| good	0.434 \| good	3.102 \| good	0.173 \| good
2026-02-11T21:00:00.000Z	37 \| good	5.604 \| good	24.085 \| good	39.609 \| good	0.46 \| good	2.681 \| good	0.165 \| good
2026-02-11T22:00:00.000Z	40 \| good	4.925 \| good	21.173 \| good	43.005 \| good	0.465 \| good	2.665 \| good	0.163 \| good
2026-02-11T23:00:00.000Z	49 \| good	9.363 \| good	41.968 \| good	48.917 \| good	0.47 \| good	2.65 \| good	0.162 \| good
2026-02-12T00:00:00.000Z	49 \| good	9.103 \| good	40.692 \| good	49.227 \| good	0.476 \| good	2.634 \| good	0.161 \| good
2026-02-12T01:00:00.000Z	60 \| moderate	13.527 \| fine	60.801 \| fine	47.251 \| good	0.532 \| good	5.227 \| good	0.191 \| good
2026-02-12T02:00:00.000Z	44 \| good	7.571 \| good	33.091 \| good	43.862 \| good	0.588 \| good	7.82 \| good	0.221 \| good
2026-02-12T03:00:00.000Z	49 \| good	8.903 \| good	38.987 \| good	34.431 \| good	0.644 \| good	10.413 \| good	0.25 \| good
2026-02-12T04:00:00.000Z	49 \| good	9.182 \| good	41.071 \| good	34.547 \| good	0.668 \| good	10.602 \| good	0.251 \| good
2026-02-12T05:00:00.000Z	54 \| moderate	11.092 \| good	48.971 \| good	39.735 \| good	0.692 \| good	10.792 \| good	0.252 \| good
2026-02-12T06:00:00.000Z	64 \| moderate	15.961 \| fine	17.808 \| good	20.454 \| good	0.717 \| good	11.08 \| good	0.254 \| good
2026-02-12T07:00:00.000Z	69 \| moderate	19.205 \| fine	85.063 \| fine	23.054 \| good	0.643 \| good	10.453 \| good	0.249 \| good
2026-02-12T08:00:00.000Z	69 \| moderate	18.767 \| fine	83.174 \| fine	19.25 \| good	0.571 \| good	9.925 \| good	0.245 \| good
2026-02-12T09:00:00.000Z	69 \| moderate	19.081 \| fine	83.573 \| fine	20.309 \| good	0.498 \| good	9.397 \| good	0.24 \| good
2026-02-12T10:00:00.000Z	49 \| good	9.271 \| good	41.111 \| good	26.156 \| good	0.448 \| good	8.263 \| good	0.228 \| good
2026-02-12T11:00:00.000Z	49 \| good	9.057 \| good	40.663 \| good	24.922 \| good	0.398 \| good	7.129 \| good	0.216 \| good
2026-02-12T12:00:00.000Z	54 \| moderate	11.245 \| good	12.63 \| good	19.026 \| good	0.353 \| good	5.964 \| good	0.203 \| good
2026-02-12T13:00:00.000Z	54 \| moderate	10.68 \| good	12.053 \| good	19.935 \| good	0.357 \| good	5.785 \| good	0.2 \| good
2026-02-12T14:00:00.000Z	52 \| moderate	10.077 \| good	11.403 \| good	20.844 \| good	0.361 \| good	5.606 \| good	0.197 \| good
2026-02-12T15:00:00.000Z	52 \| moderate	9.858 \| good	11.13 \| good	21.752 \| good	0.365 \| good	5.426 \| good	0.194 \| good
2026-02-12T16:00:00.000Z	66 \| moderate	17.145 \| fine	75.685 \| fine	24.11 \| good	0.351 \| good	4.635 \| good	0.189 \| good
2026-02-12T17:00:00.000Z	64 \| moderate	15.668 \| fine	69.537 \| fine	25.978 \| good	0.343 \| good	3.855 \| good	0.184 \| good
2026-02-12T18:00:00.000Z	38 \| good	7.39 \| good	8.438 \| good	28.845 \| good	0.342 \| good	3.064 \| good	0.179 \| good
2026-02-12T19:00:00.000Z	44 \| good	7.746 \| good	8.825 \| good	31.482 \| good	0.334 \| good	2.561 \| good	0.169 \| good
2026-02-12T20:00:00.000Z	44 \| good	7.612 \| good	8.749 \| good	34.12 \| good	0.326 \| good	2.057 \| good	0.159 \| good
2026-02-12T21:00:00.000Z	38 \| good	7.378 \| good	8.591 \| good	36.758 \| good	0.318 \| good	1.553 \| good	0.149 \| good
2026-02-12T22:00:00.000Z	38 \| good	7.17 \| good	8.448 \| good	37.197 \| good	0.308 \| good	1.574 \| good	0.147 \| good
2026-02-12T23:00:00.000Z	38 \| good	7.012 \| good	8.275 \| good	37.636 \| good	0.298 \| good	1.596 \| good	0.145 \| good
2026-02-13T00:00:00.000Z	38 \| good	7.143 \| good	8.395 \| good	38.075 \| good	0.288 \| good	1.617 \| good	0.143 \| good
2026-02-13T01:00:00.000Z	49 \| good	9.196 \| good	10.451 \| good	32.76 \| good	0.401 \| good	5.179 \| good	0.184 \| good

Caldwell

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Caldwell, Idaho air quality map: Track AQI near you

0.22ppm

How accurate is Idaho, USA air quality data?

Air quality data and pollutant measurements for Idaho, 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 Caldwell, Idaho updated?

The air quality for Caldwell, Idaho is updated every hour.

When was the worst air quality at Caldwell, Idaho in the last 24 hrs?

The worst air quality in Caldwell, Idaho in the last 24 hours was observed at 09:00:00 on 2026-02-10.

When was the best air quality at Caldwell, Idaho in the last 24 hrs?

In the last 24 hrs, the best air quality in Caldwell, Idaho was observed at 02:00:00 on 2026-02-10.

What is the current air quality in Caldwell, Idaho?

The current air quality in Caldwell, Idaho is 38, categorized as Good based on real-time data.

What pollutant is the most common in Caldwell, Idaho?

The most common pollutant in Caldwell, Idaho is O3.

What should I do if the air quality in Caldwell, Idaho is poor?

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

What is the current concentration of PM_2.5 in Caldwell, Idaho?

The current PM_2.5 concentration at Caldwell, Idaho is 2.923 μg/m³.

What is the current concentration of PM₁₀ in Caldwell, Idaho?

The current PM₁₀ concentration at Caldwell, Idaho is 11.941 μg/m³.

What is the current concentration of carbon monoxide (CO) in Caldwell, Idaho?

The current carbon monoxide (CO) concentration at Caldwell, Idaho is 0.219 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Caldwell, Idaho?

The current sulfur dioxide (SO₂) concentration at Caldwell, Idaho is 2.57 ppb.

What is the current concentration of ozone (O₃) in Caldwell, Idaho?

The current ozone (O₃) concentration at Caldwell, Idaho is 41.073 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Caldwell, Idaho?

The current nitrogen dioxide (NO₂) concentration at Caldwell, Idaho is 2.313 ppb.

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