What is the current concentration of PM10 in Casa Grande, Arizona?

The current PM10 concentration at Casa Grande, Arizona is 28.612 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Casa Grande, Arizona?

The current sulfur dioxide (SO2) concentration at Casa Grande, Arizona is 0.509 ppb.

What is the current concentration of ozone (O3) in Casa Grande, Arizona?

The current ozone (O3) concentration at Casa Grande, Arizona is 24.57 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Casa Grande, Arizona?

The current nitrogen dioxide (NO2) concentration at Casa Grande, Arizona is 8.564 ppb.

Casa Grande, Arizona live air quality index now

Q: What is the current concentration of PM2.5 in Casa Grande, Arizona?

The current PM2.5 concentration at Casa Grande, Arizona is 6.093 μg/m3.

Stay updated with real-time air quality in Casa Grande, Arizona 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

Casa Grande, Arizona

Last updated: ... (Local time)

Major air pollutants in Casa Grande, Arizona

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.09 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.61 μg/m³

155

255

425

605+

Ozone (O₃)

24.57 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Casa Grande, Arizona

Get Live Pollen Counts

Casa Grande, Arizona

Scroll To Air Quality Map

Track live Casa Grande, Arizona air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	31 \| good	3.575 \| good	15.635 \| good	32.817 \| good	0.583 \| good	6.277 \| good	0.258 \| good
2026-10-20T22:00:00.000Z	33 \| good	4.031 \| good	18.081 \| good	35.811 \| good	0.641 \| good	4.099 \| good	0.258 \| good
2026-10-20T23:00:00.000Z	36 \| good	4.171 \| good	18.335 \| good	38.672 \| good	0.632 \| good	3.692 \| good	0.258 \| good
2026-10-21T00:00:00.000Z	33 \| good	4.202 \| good	9.811 \| good	35.529 \| good	0.47 \| good	5.601 \| good	0.258 \| good
2026-10-21T01:00:00.000Z	31 \| good	3.483 \| good	9.04 \| good	33.43 \| good	0.507 \| good	4.648 \| good	0.3 \| good
2026-10-21T02:00:00.000Z	28 \| good	4.01 \| good	21.245 \| good	30.082 \| good	0.496 \| good	9.989 \| good	0.378 \| good
2026-10-21T03:00:00.000Z	32 \| good	2.82 \| good	11.843 \| good	34.628 \| good	0.124 \| good	5.213 \| good	0.136 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	9.801 \| good	33.749 \| good	21.849 \| good	0.535 \| good	14.339 \| good	0.481 \| good
2026-10-21T05:00:00.000Z	52 \| moderate	10.122 \| good	29.269 \| good	21.969 \| good	0.54 \| good	13.159 \| good	0.467 \| good
2026-10-21T06:00:00.000Z	49 \| good	9.433 \| good	31.023 \| good	21.133 \| good	0.553 \| good	11.955 \| good	0.299 \| good
2026-10-21T07:00:00.000Z	52 \| moderate	10.381 \| good	28.551 \| good	16.596 \| good	0.501 \| good	10.869 \| good	0.299 \| good
2026-10-21T08:00:00.000Z	44 \| good	8.208 \| good	34.23 \| good	20.032 \| good	0.512 \| good	9.504 \| good	0.292 \| good
2026-10-21T09:00:00.000Z	44 \| good	7.9 \| good	35.959 \| good	24.037 \| good	0.484 \| good	11.318 \| good	0.283 \| good
2026-10-21T10:00:00.000Z	33 \| good	6.321 \| good	27.754 \| good	19.013 \| good	0.576 \| good	12.747 \| good	0.35 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.567 \| good	19.212 \| good	13.908 \| good	0.501 \| good	12.323 \| good	0.35 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.56 \| good	16.33 \| good	8.651 \| good	0.575 \| good	12.064 \| good	0.376 \| good
2026-10-21T13:00:00.000Z	22 \| good	3.549 \| good	17.122 \| good	12.074 \| good	0.61 \| good	12.021 \| good	0.376 \| good
2026-10-21T14:00:00.000Z	27 \| good	4.526 \| good	21.297 \| good	10.803 \| good	0.559 \| good	17.624 \| good	0.525 \| good
2026-10-21T15:00:00.000Z	22 \| good	4.456 \| good	21.111 \| good	7.119 \| good	0.585 \| good	20.512 \| good	0.525 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.559 \| good	31.541 \| good	10.317 \| good	0.576 \| good	16.684 \| good	0.526 \| good
2026-10-21T17:00:00.000Z	44 \| good	7.964 \| good	36.692 \| good	13.237 \| good	0.672 \| good	15.309 \| good	0.458 \| good
2026-10-21T18:00:00.000Z	38 \| good	7.034 \| good	34.978 \| good	16.398 \| good	0.583 \| good	15.307 \| good	0.414 \| good
2026-10-21T19:00:00.000Z	38 \| good	6.516 \| good	29.129 \| good	16.193 \| good	0.607 \| good	14.033 \| good	0.337 \| good
2026-10-21T20:00:00.000Z	33 \| good	5.881 \| good	26.212 \| good	19.921 \| good	0.616 \| good	12.512 \| good	0.358 \| good
2026-10-21T21:00:00.000Z	27 \| good	4.706 \| good	19.509 \| good	25.624 \| good	0.688 \| good	10.482 \| good	0.3 \| good
2026-10-21T22:00:00.000Z	27 \| good	4.945 \| good	16.325 \| good	28.753 \| good	0.605 \| good	9.131 \| good	0.316 \| good
2026-10-21T23:00:00.000Z	33 \| good	5.58 \| good	18.724 \| good	31.327 \| good	0.658 \| good	11.603 \| good	0.374 \| good
2026-10-22T00:00:00.000Z	33 \| good	5.877 \| good	23.944 \| good	32.46 \| good	0.751 \| good	8.158 \| good	0.434 \| good
2026-10-22T01:00:00.000Z	33 \| good	5.974 \| good	27.152 \| good	27.329 \| good	0.633 \| good	8.395 \| good	0.477 \| good
2026-10-22T02:00:00.000Z	33 \| good	5.744 \| good	24.647 \| good	26.048 \| good	0.593 \| good	7.902 \| good	0.485 \| good
2026-10-22T03:00:00.000Z	29 \| good	2.781 \| good	11.228 \| good	30.824 \| good	0.195 \| good	2.252 \| good	0.113 \| good
2026-10-22T04:00:00.000Z	25 \| good	3.411 \| good	22.764 \| good	26.845 \| good	0.674 \| good	15.802 \| good	0.437 \| good
2026-10-22T05:00:00.000Z	25 \| good	3.889 \| good	21.1 \| good	26.96 \| good	0.555 \| good	15.983 \| good	0.395 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.259 \| good	24.152 \| good	25.586 \| good	0.558 \| good	13.322 \| good	0.443 \| good
2026-10-22T07:00:00.000Z	27 \| good	5.185 \| good	24.687 \| good	23.712 \| good	0.66 \| good	13.966 \| good	0.443 \| good
2026-10-22T08:00:00.000Z	38 \| good	7.319 \| good	24.227 \| good	17.213 \| good	0.568 \| good	12.4 \| good	0.339 \| good
2026-10-22T09:00:00.000Z	38 \| good	6.538 \| good	19.182 \| good	16.692 \| good	0.633 \| good	12.855 \| good	0.309 \| good
2026-10-22T10:00:00.000Z	27 \| good	4.576 \| good	14.638 \| good	14.6 \| good	0.568 \| good	13.716 \| good	0.356 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.634 \| good	13.262 \| good	13.06 \| good	0.589 \| good	15.982 \| good	0.41 \| good
2026-10-22T12:00:00.000Z	16 \| good	3.338 \| good	12.324 \| good	10.475 \| good	0.553 \| good	16.332 \| good	0.401 \| good
2026-10-22T13:00:00.000Z	16 \| good	3.402 \| good	12.272 \| good	16.948 \| good	0.53 \| good	14.77 \| good	0.401 \| good
2026-10-22T14:00:00.000Z	27 \| good	4.895 \| good	21.788 \| good	11.301 \| good	0.531 \| good	16.599 \| good	0.643 \| good
2026-10-22T15:00:00.000Z	27 \| good	5.446 \| good	22.064 \| good	14.207 \| good	0.593 \| good	13.127 \| good	0.637 \| good
2026-10-22T16:00:00.000Z	33 \| good	5.766 \| good	22.236 \| good	18.304 \| good	0.56 \| good	14.413 \| good	0.561 \| good
2026-10-22T17:00:00.000Z	33 \| good	6.045 \| good	19.026 \| good	17.97 \| good	0.545 \| good	12.695 \| good	0.408 \| good
2026-10-22T18:00:00.000Z	33 \| good	5.749 \| good	19.465 \| good	20.432 \| good	0.494 \| good	10.608 \| good	0.329 \| good
2026-10-22T19:00:00.000Z	33 \| good	5.699 \| good	20.864 \| good	24.034 \| good	0.509 \| good	10.617 \| good	0.329 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.093 \| good	28.612 \| good	24.57 \| good	0.509 \| good	8.564 \| good	0.308 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.093 \| good	28.612 \| good	24.57 \| good	0.509 \| good	8.564 \| good	0.308 \| good
2026-10-22T21:00:00.000Z	44 \| good	7.665 \| good	33.802 \| good	34.269 \| good	0.135 \| good	0.376 \| good	0.096 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.008 \| good	35.254 \| good	34.971 \| good	0.113 \| good	0.367 \| good	0.093 \| good
2026-10-22T23:00:00.000Z	52 \| moderate	10.185 \| good	45.378 \| good	33.343 \| good	0.092 \| good	0.366 \| good	0.09 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	10.157 \| good	45.252 \| good	34.536 \| good	0.079 \| good	0.672 \| good	0.091 \| good
2026-10-23T01:00:00.000Z	32 \| good	3.224 \| good	13.754 \| good	35.436 \| good	0.076 \| good	2.037 \| good	0.103 \| good
2026-10-23T02:00:00.000Z	33 \| good	5.467 \| good	23.772 \| good	36.389 \| good	0.075 \| good	2.726 \| good	0.108 \| good
2026-10-23T03:00:00.000Z	38 \| good	7.494 \| good	32.904 \| good	36.584 \| good	0.075 \| good	3.015 \| good	0.111 \| good
2026-10-23T04:00:00.000Z	27 \| good	5.418 \| good	22.967 \| good	27.896 \| good	0.077 \| good	3.319 \| good	0.114 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.276 \| good	18.544 \| good	22.165 \| good	0.078 \| good	3.64 \| good	0.117 \| good
2026-10-23T06:00:00.000Z	27 \| good	5.315 \| good	22.766 \| good	19.152 \| good	0.078 \| good	3.884 \| good	0.12 \| good
2026-10-23T07:00:00.000Z	33 \| good	5.738 \| good	24.914 \| good	20.153 \| good	0.073 \| good	3.851 \| good	0.122 \| good
2026-10-23T08:00:00.000Z	16 \| good	3.143 \| good	13.668 \| good	16.924 \| good	0.068 \| good	3.732 \| good	0.122 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.949 \| good	17.633 \| good	14.58 \| good	0.064 \| good	3.696 \| good	0.121 \| good
2026-10-23T10:00:00.000Z	16 \| good	3.078 \| good	13.519 \| good	15.466 \| good	0.061 \| good	3.809 \| good	0.121 \| good
2026-10-23T11:00:00.000Z	11 \| good	2.269 \| good	9.538 \| good	11.038 \| good	0.059 \| good	4.071 \| good	0.123 \| good
2026-10-23T12:00:00.000Z	22 \| good	4.188 \| good	18.691 \| good	7.069 \| good	0.059 \| good	4.522 \| good	0.125 \| good
2026-10-23T13:00:00.000Z	33 \| good	5.578 \| good	24.111 \| good	5.682 \| good	0.06 \| good	5.137 \| good	0.129 \| good
2026-10-23T14:00:00.000Z	38 \| good	7.447 \| good	32.984 \| good	9.299 \| good	0.064 \| good	5.405 \| good	0.143 \| good
2026-10-23T15:00:00.000Z	27 \| good	5.401 \| good	22.971 \| good	11.778 \| good	0.067 \| good	4.098 \| good	0.156 \| good
2026-10-23T16:00:00.000Z	49 \| good	8.596 \| good	37.433 \| good	19.673 \| good	0.08 \| good	2.805 \| good	0.145 \| good
2026-10-23T17:00:00.000Z	38 \| good	6.904 \| good	30.404 \| good	25.723 \| good	0.11 \| good	1.591 \| good	0.128 \| good
2026-10-23T18:00:00.000Z	33 \| good	5.526 \| good	23.703 \| good	33.094 \| good	0.13 \| good	1.105 \| good	0.123 \| good
2026-10-23T19:00:00.000Z	36 \| good	4.145 \| good	18.128 \| good	39.053 \| good	0.123 \| good	0.715 \| good	0.116 \| good
2026-10-23T20:00:00.000Z	37 \| good	6.251 \| good	28.033 \| good	40.448 \| good	0.112 \| good	0.486 \| good	0.112 \| good
2026-10-23T21:00:00.000Z	39 \| good	5.056 \| good	22.008 \| good	41.787 \| good	0.109 \| good	0.406 \| good	0.111 \| good
2026-10-23T22:00:00.000Z	37 \| good	4.147 \| good	18.017 \| good	39.79 \| good	0.112 \| good	0.408 \| good	0.112 \| good
2026-10-23T23:00:00.000Z	37 \| good	6.246 \| good	27.975 \| good	40.243 \| good	0.12 \| good	0.502 \| good	0.113 \| good
2026-10-24T00:00:00.000Z	41 \| good	6.191 \| good	27.076 \| good	43.76 \| good	0.13 \| good	1.001 \| good	0.118 \| good
2026-10-24T01:00:00.000Z	35 \| good	4.23 \| good	18.427 \| good	38.338 \| good	0.142 \| good	3.11 \| good	0.136 \| good
2026-10-24T02:00:00.000Z	32 \| good	3.967 \| good	17.289 \| good	35.472 \| good	0.166 \| good	4.719 \| good	0.149 \| good
2026-10-24T03:00:00.000Z	44 \| good	7.839 \| good	34.356 \| good	30.287 \| good	0.196 \| good	5.948 \| good	0.157 \| good
2026-10-24T04:00:00.000Z	38 \| good	6.796 \| good	30.239 \| good	22.607 \| good	0.219 \| good	7.155 \| good	0.165 \| good
2026-10-24T05:00:00.000Z	33 \| good	5.593 \| good	24.176 \| good	16.905 \| good	0.231 \| good	8.474 \| good	0.173 \| good
2026-10-24T06:00:00.000Z	44 \| good	7.697 \| good	33.879 \| good	10.836 \| good	0.234 \| good	9.562 \| good	0.18 \| good
2026-10-24T07:00:00.000Z	33 \| good	5.929 \| good	26.572 \| good	7.135 \| good	0.227 \| good	10.009 \| good	0.183 \| good
2026-10-24T08:00:00.000Z	27 \| good	4.598 \| good	20.309 \| good	11.693 \| good	0.213 \| good	9.79 \| good	0.181 \| good
2026-10-24T09:00:00.000Z	27 \| good	5.043 \| good	21.838 \| good	13.281 \| good	0.195 \| good	9.272 \| good	0.177 \| good
2026-10-24T10:00:00.000Z	22 \| good	4.226 \| good	18.695 \| good	10.806 \| good	0.174 \| good	8.503 \| good	0.171 \| good
2026-10-24T11:00:00.000Z	16 \| good	3.218 \| good	13.877 \| good	10.438 \| good	0.154 \| good	7.401 \| good	0.162 \| good
2026-10-24T12:00:00.000Z	22 \| good	3.829 \| good	16.92 \| good	10.136 \| good	0.15 \| good	6.332 \| good	0.155 \| good
2026-10-24T13:00:00.000Z	22 \| good	4.112 \| good	17.92 \| good	9.138 \| good	0.152 \| good	5.854 \| good	0.152 \| good
2026-10-24T14:00:00.000Z	27 \| good	5.4 \| good	23.122 \| good	7.818 \| good	0.143 \| good	5.652 \| good	0.154 \| good
2026-10-24T15:00:00.000Z	33 \| good	5.86 \| good	26.153 \| good	18.113 \| good	0.139 \| good	4.301 \| good	0.154 \| good
2026-10-24T16:00:00.000Z	38 \| good	7.115 \| good	31.7 \| good	22.893 \| good	0.191 \| good	2.042 \| good	0.136 \| good
2026-10-24T17:00:00.000Z	33 \| good	5.587 \| good	23.973 \| good	29.95 \| good	0.208 \| good	1.073 \| good	0.125 \| good
2026-10-24T18:00:00.000Z	32 \| good	4.458 \| good	19.097 \| good	34.672 \| good	0.178 \| good	0.576 \| good	0.12 \| good
2026-10-24T19:00:00.000Z	35 \| good	4.316 \| good	18.885 \| good	38.221 \| good	0.154 \| good	0.34 \| good	0.118 \| good
2026-10-24T20:00:00.000Z	37 \| good	5.139 \| good	22.179 \| good	40.195 \| good	0.139 \| good	0.25 \| good	0.118 \| good

Casa Grande

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Casa Grande, Arizona air quality map: Track AQI near you

0.31ppm

How accurate is Arizona, USA air quality data?

Air quality data and pollutant measurements for Arizona, 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 Casa Grande, Arizona updated?

The air quality for Casa Grande, Arizona is updated every hour.

When was the worst air quality at Casa Grande, Arizona in the last 24 hrs?

The worst air quality in Casa Grande, Arizona in the last 24 hours was observed at 09:00:00 on 2026-10-22.

When was the best air quality at Casa Grande, Arizona in the last 24 hrs?

In the last 24 hrs, the best air quality in Casa Grande, Arizona was observed at 01:00:00 on 2026-10-22.

What is the current air quality in Casa Grande, Arizona?

The current air quality in Casa Grande, Arizona is 33, categorized as Good based on real-time data.

What pollutant is the most common in Casa Grande, Arizona?

The most common pollutant in Casa Grande, Arizona is PM2.5.

What should I do if the air quality in Casa Grande, Arizona is poor?

If the air quality in Casa Grande, Arizona is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Casa Grande, Arizona?

The current PM_2.5 concentration at Casa Grande, Arizona is 6.093 μg/m³.

What is the current concentration of PM₁₀ in Casa Grande, Arizona?

The current PM₁₀ concentration at Casa Grande, Arizona is 28.612 μg/m³.

What is the current concentration of carbon monoxide (CO) in Casa Grande, Arizona?

The current carbon monoxide (CO) concentration at Casa Grande, Arizona is 0.308 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Casa Grande, Arizona?

The current sulfur dioxide (SO₂) concentration at Casa Grande, Arizona is 0.509 ppb.

What is the current concentration of ozone (O₃) in Casa Grande, Arizona?

The current ozone (O₃) concentration at Casa Grande, Arizona is 24.57 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Casa Grande, Arizona?

The current nitrogen dioxide (NO₂) concentration at Casa Grande, Arizona is 8.564 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	31 \| good	3.575 \| good	15.635 \| good	32.817 \| good	0.583 \| good	6.277 \| good	0.258 \| good
2026-10-20T22:00:00.000Z	33 \| good	4.031 \| good	18.081 \| good	35.811 \| good	0.641 \| good	4.099 \| good	0.258 \| good
2026-10-20T23:00:00.000Z	36 \| good	4.171 \| good	18.335 \| good	38.672 \| good	0.632 \| good	3.692 \| good	0.258 \| good
2026-10-21T00:00:00.000Z	33 \| good	4.202 \| good	9.811 \| good	35.529 \| good	0.47 \| good	5.601 \| good	0.258 \| good
2026-10-21T01:00:00.000Z	31 \| good	3.483 \| good	9.04 \| good	33.43 \| good	0.507 \| good	4.648 \| good	0.3 \| good
2026-10-21T02:00:00.000Z	28 \| good	4.01 \| good	21.245 \| good	30.082 \| good	0.496 \| good	9.989 \| good	0.378 \| good
2026-10-21T03:00:00.000Z	32 \| good	2.82 \| good	11.843 \| good	34.628 \| good	0.124 \| good	5.213 \| good	0.136 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	9.801 \| good	33.749 \| good	21.849 \| good	0.535 \| good	14.339 \| good	0.481 \| good
2026-10-21T05:00:00.000Z	52 \| moderate	10.122 \| good	29.269 \| good	21.969 \| good	0.54 \| good	13.159 \| good	0.467 \| good
2026-10-21T06:00:00.000Z	49 \| good	9.433 \| good	31.023 \| good	21.133 \| good	0.553 \| good	11.955 \| good	0.299 \| good
2026-10-21T07:00:00.000Z	52 \| moderate	10.381 \| good	28.551 \| good	16.596 \| good	0.501 \| good	10.869 \| good	0.299 \| good
2026-10-21T08:00:00.000Z	44 \| good	8.208 \| good	34.23 \| good	20.032 \| good	0.512 \| good	9.504 \| good	0.292 \| good
2026-10-21T09:00:00.000Z	44 \| good	7.9 \| good	35.959 \| good	24.037 \| good	0.484 \| good	11.318 \| good	0.283 \| good
2026-10-21T10:00:00.000Z	33 \| good	6.321 \| good	27.754 \| good	19.013 \| good	0.576 \| good	12.747 \| good	0.35 \| good
2026-10-21T11:00:00.000Z	27 \| good	4.567 \| good	19.212 \| good	13.908 \| good	0.501 \| good	12.323 \| good	0.35 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.56 \| good	16.33 \| good	8.651 \| good	0.575 \| good	12.064 \| good	0.376 \| good
2026-10-21T13:00:00.000Z	22 \| good	3.549 \| good	17.122 \| good	12.074 \| good	0.61 \| good	12.021 \| good	0.376 \| good
2026-10-21T14:00:00.000Z	27 \| good	4.526 \| good	21.297 \| good	10.803 \| good	0.559 \| good	17.624 \| good	0.525 \| good
2026-10-21T15:00:00.000Z	22 \| good	4.456 \| good	21.111 \| good	7.119 \| good	0.585 \| good	20.512 \| good	0.525 \| good
2026-10-21T16:00:00.000Z	44 \| good	7.559 \| good	31.541 \| good	10.317 \| good	0.576 \| good	16.684 \| good	0.526 \| good
2026-10-21T17:00:00.000Z	44 \| good	7.964 \| good	36.692 \| good	13.237 \| good	0.672 \| good	15.309 \| good	0.458 \| good
2026-10-21T18:00:00.000Z	38 \| good	7.034 \| good	34.978 \| good	16.398 \| good	0.583 \| good	15.307 \| good	0.414 \| good
2026-10-21T19:00:00.000Z	38 \| good	6.516 \| good	29.129 \| good	16.193 \| good	0.607 \| good	14.033 \| good	0.337 \| good
2026-10-21T20:00:00.000Z	33 \| good	5.881 \| good	26.212 \| good	19.921 \| good	0.616 \| good	12.512 \| good	0.358 \| good
2026-10-21T21:00:00.000Z	27 \| good	4.706 \| good	19.509 \| good	25.624 \| good	0.688 \| good	10.482 \| good	0.3 \| good
2026-10-21T22:00:00.000Z	27 \| good	4.945 \| good	16.325 \| good	28.753 \| good	0.605 \| good	9.131 \| good	0.316 \| good
2026-10-21T23:00:00.000Z	33 \| good	5.58 \| good	18.724 \| good	31.327 \| good	0.658 \| good	11.603 \| good	0.374 \| good
2026-10-22T00:00:00.000Z	33 \| good	5.877 \| good	23.944 \| good	32.46 \| good	0.751 \| good	8.158 \| good	0.434 \| good
2026-10-22T01:00:00.000Z	33 \| good	5.974 \| good	27.152 \| good	27.329 \| good	0.633 \| good	8.395 \| good	0.477 \| good
2026-10-22T02:00:00.000Z	33 \| good	5.744 \| good	24.647 \| good	26.048 \| good	0.593 \| good	7.902 \| good	0.485 \| good
2026-10-22T03:00:00.000Z	29 \| good	2.781 \| good	11.228 \| good	30.824 \| good	0.195 \| good	2.252 \| good	0.113 \| good
2026-10-22T04:00:00.000Z	25 \| good	3.411 \| good	22.764 \| good	26.845 \| good	0.674 \| good	15.802 \| good	0.437 \| good
2026-10-22T05:00:00.000Z	25 \| good	3.889 \| good	21.1 \| good	26.96 \| good	0.555 \| good	15.983 \| good	0.395 \| good
2026-10-22T06:00:00.000Z	27 \| good	5.259 \| good	24.152 \| good	25.586 \| good	0.558 \| good	13.322 \| good	0.443 \| good
2026-10-22T07:00:00.000Z	27 \| good	5.185 \| good	24.687 \| good	23.712 \| good	0.66 \| good	13.966 \| good	0.443 \| good
2026-10-22T08:00:00.000Z	38 \| good	7.319 \| good	24.227 \| good	17.213 \| good	0.568 \| good	12.4 \| good	0.339 \| good
2026-10-22T09:00:00.000Z	38 \| good	6.538 \| good	19.182 \| good	16.692 \| good	0.633 \| good	12.855 \| good	0.309 \| good
2026-10-22T10:00:00.000Z	27 \| good	4.576 \| good	14.638 \| good	14.6 \| good	0.568 \| good	13.716 \| good	0.356 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.634 \| good	13.262 \| good	13.06 \| good	0.589 \| good	15.982 \| good	0.41 \| good
2026-10-22T12:00:00.000Z	16 \| good	3.338 \| good	12.324 \| good	10.475 \| good	0.553 \| good	16.332 \| good	0.401 \| good
2026-10-22T13:00:00.000Z	16 \| good	3.402 \| good	12.272 \| good	16.948 \| good	0.53 \| good	14.77 \| good	0.401 \| good
2026-10-22T14:00:00.000Z	27 \| good	4.895 \| good	21.788 \| good	11.301 \| good	0.531 \| good	16.599 \| good	0.643 \| good
2026-10-22T15:00:00.000Z	27 \| good	5.446 \| good	22.064 \| good	14.207 \| good	0.593 \| good	13.127 \| good	0.637 \| good
2026-10-22T16:00:00.000Z	33 \| good	5.766 \| good	22.236 \| good	18.304 \| good	0.56 \| good	14.413 \| good	0.561 \| good
2026-10-22T17:00:00.000Z	33 \| good	6.045 \| good	19.026 \| good	17.97 \| good	0.545 \| good	12.695 \| good	0.408 \| good
2026-10-22T18:00:00.000Z	33 \| good	5.749 \| good	19.465 \| good	20.432 \| good	0.494 \| good	10.608 \| good	0.329 \| good
2026-10-22T19:00:00.000Z	33 \| good	5.699 \| good	20.864 \| good	24.034 \| good	0.509 \| good	10.617 \| good	0.329 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.093 \| good	28.612 \| good	24.57 \| good	0.509 \| good	8.564 \| good	0.308 \| good
2026-10-22T20:00:00.000Z	33 \| good	6.093 \| good	28.612 \| good	24.57 \| good	0.509 \| good	8.564 \| good	0.308 \| good
2026-10-22T21:00:00.000Z	44 \| good	7.665 \| good	33.802 \| good	34.269 \| good	0.135 \| good	0.376 \| good	0.096 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.008 \| good	35.254 \| good	34.971 \| good	0.113 \| good	0.367 \| good	0.093 \| good
2026-10-22T23:00:00.000Z	52 \| moderate	10.185 \| good	45.378 \| good	33.343 \| good	0.092 \| good	0.366 \| good	0.09 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	10.157 \| good	45.252 \| good	34.536 \| good	0.079 \| good	0.672 \| good	0.091 \| good
2026-10-23T01:00:00.000Z	32 \| good	3.224 \| good	13.754 \| good	35.436 \| good	0.076 \| good	2.037 \| good	0.103 \| good
2026-10-23T02:00:00.000Z	33 \| good	5.467 \| good	23.772 \| good	36.389 \| good	0.075 \| good	2.726 \| good	0.108 \| good
2026-10-23T03:00:00.000Z	38 \| good	7.494 \| good	32.904 \| good	36.584 \| good	0.075 \| good	3.015 \| good	0.111 \| good
2026-10-23T04:00:00.000Z	27 \| good	5.418 \| good	22.967 \| good	27.896 \| good	0.077 \| good	3.319 \| good	0.114 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.276 \| good	18.544 \| good	22.165 \| good	0.078 \| good	3.64 \| good	0.117 \| good
2026-10-23T06:00:00.000Z	27 \| good	5.315 \| good	22.766 \| good	19.152 \| good	0.078 \| good	3.884 \| good	0.12 \| good
2026-10-23T07:00:00.000Z	33 \| good	5.738 \| good	24.914 \| good	20.153 \| good	0.073 \| good	3.851 \| good	0.122 \| good
2026-10-23T08:00:00.000Z	16 \| good	3.143 \| good	13.668 \| good	16.924 \| good	0.068 \| good	3.732 \| good	0.122 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.949 \| good	17.633 \| good	14.58 \| good	0.064 \| good	3.696 \| good	0.121 \| good
2026-10-23T10:00:00.000Z	16 \| good	3.078 \| good	13.519 \| good	15.466 \| good	0.061 \| good	3.809 \| good	0.121 \| good
2026-10-23T11:00:00.000Z	11 \| good	2.269 \| good	9.538 \| good	11.038 \| good	0.059 \| good	4.071 \| good	0.123 \| good
2026-10-23T12:00:00.000Z	22 \| good	4.188 \| good	18.691 \| good	7.069 \| good	0.059 \| good	4.522 \| good	0.125 \| good
2026-10-23T13:00:00.000Z	33 \| good	5.578 \| good	24.111 \| good	5.682 \| good	0.06 \| good	5.137 \| good	0.129 \| good
2026-10-23T14:00:00.000Z	38 \| good	7.447 \| good	32.984 \| good	9.299 \| good	0.064 \| good	5.405 \| good	0.143 \| good
2026-10-23T15:00:00.000Z	27 \| good	5.401 \| good	22.971 \| good	11.778 \| good	0.067 \| good	4.098 \| good	0.156 \| good
2026-10-23T16:00:00.000Z	49 \| good	8.596 \| good	37.433 \| good	19.673 \| good	0.08 \| good	2.805 \| good	0.145 \| good
2026-10-23T17:00:00.000Z	38 \| good	6.904 \| good	30.404 \| good	25.723 \| good	0.11 \| good	1.591 \| good	0.128 \| good
2026-10-23T18:00:00.000Z	33 \| good	5.526 \| good	23.703 \| good	33.094 \| good	0.13 \| good	1.105 \| good	0.123 \| good
2026-10-23T19:00:00.000Z	36 \| good	4.145 \| good	18.128 \| good	39.053 \| good	0.123 \| good	0.715 \| good	0.116 \| good
2026-10-23T20:00:00.000Z	37 \| good	6.251 \| good	28.033 \| good	40.448 \| good	0.112 \| good	0.486 \| good	0.112 \| good
2026-10-23T21:00:00.000Z	39 \| good	5.056 \| good	22.008 \| good	41.787 \| good	0.109 \| good	0.406 \| good	0.111 \| good
2026-10-23T22:00:00.000Z	37 \| good	4.147 \| good	18.017 \| good	39.79 \| good	0.112 \| good	0.408 \| good	0.112 \| good
2026-10-23T23:00:00.000Z	37 \| good	6.246 \| good	27.975 \| good	40.243 \| good	0.12 \| good	0.502 \| good	0.113 \| good
2026-10-24T00:00:00.000Z	41 \| good	6.191 \| good	27.076 \| good	43.76 \| good	0.13 \| good	1.001 \| good	0.118 \| good
2026-10-24T01:00:00.000Z	35 \| good	4.23 \| good	18.427 \| good	38.338 \| good	0.142 \| good	3.11 \| good	0.136 \| good
2026-10-24T02:00:00.000Z	32 \| good	3.967 \| good	17.289 \| good	35.472 \| good	0.166 \| good	4.719 \| good	0.149 \| good
2026-10-24T03:00:00.000Z	44 \| good	7.839 \| good	34.356 \| good	30.287 \| good	0.196 \| good	5.948 \| good	0.157 \| good
2026-10-24T04:00:00.000Z	38 \| good	6.796 \| good	30.239 \| good	22.607 \| good	0.219 \| good	7.155 \| good	0.165 \| good
2026-10-24T05:00:00.000Z	33 \| good	5.593 \| good	24.176 \| good	16.905 \| good	0.231 \| good	8.474 \| good	0.173 \| good
2026-10-24T06:00:00.000Z	44 \| good	7.697 \| good	33.879 \| good	10.836 \| good	0.234 \| good	9.562 \| good	0.18 \| good
2026-10-24T07:00:00.000Z	33 \| good	5.929 \| good	26.572 \| good	7.135 \| good	0.227 \| good	10.009 \| good	0.183 \| good
2026-10-24T08:00:00.000Z	27 \| good	4.598 \| good	20.309 \| good	11.693 \| good	0.213 \| good	9.79 \| good	0.181 \| good
2026-10-24T09:00:00.000Z	27 \| good	5.043 \| good	21.838 \| good	13.281 \| good	0.195 \| good	9.272 \| good	0.177 \| good
2026-10-24T10:00:00.000Z	22 \| good	4.226 \| good	18.695 \| good	10.806 \| good	0.174 \| good	8.503 \| good	0.171 \| good
2026-10-24T11:00:00.000Z	16 \| good	3.218 \| good	13.877 \| good	10.438 \| good	0.154 \| good	7.401 \| good	0.162 \| good
2026-10-24T12:00:00.000Z	22 \| good	3.829 \| good	16.92 \| good	10.136 \| good	0.15 \| good	6.332 \| good	0.155 \| good
2026-10-24T13:00:00.000Z	22 \| good	4.112 \| good	17.92 \| good	9.138 \| good	0.152 \| good	5.854 \| good	0.152 \| good
2026-10-24T14:00:00.000Z	27 \| good	5.4 \| good	23.122 \| good	7.818 \| good	0.143 \| good	5.652 \| good	0.154 \| good
2026-10-24T15:00:00.000Z	33 \| good	5.86 \| good	26.153 \| good	18.113 \| good	0.139 \| good	4.301 \| good	0.154 \| good
2026-10-24T16:00:00.000Z	38 \| good	7.115 \| good	31.7 \| good	22.893 \| good	0.191 \| good	2.042 \| good	0.136 \| good
2026-10-24T17:00:00.000Z	33 \| good	5.587 \| good	23.973 \| good	29.95 \| good	0.208 \| good	1.073 \| good	0.125 \| good
2026-10-24T18:00:00.000Z	32 \| good	4.458 \| good	19.097 \| good	34.672 \| good	0.178 \| good	0.576 \| good	0.12 \| good
2026-10-24T19:00:00.000Z	35 \| good	4.316 \| good	18.885 \| good	38.221 \| good	0.154 \| good	0.34 \| good	0.118 \| good
2026-10-24T20:00:00.000Z	37 \| good	5.139 \| good	22.179 \| good	40.195 \| good	0.139 \| good	0.25 \| good	0.118 \| good

Casa Grande, Arizona live air quality index now

Major air pollutants in Casa Grande, Arizona

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Casa Grande, Arizona air quality map: Track AQI near you

Air quality in nearby cities

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San Tan Valley, Arizona

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Frequently asked questions

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What is the current concentration of PM2.5 in Casa Grande, Arizona?

What is the current concentration of PM10 in Casa Grande, Arizona?

What is the current concentration of carbon monoxide (CO) in Casa Grande, Arizona?

What is the current concentration of sulfur dioxide (SO2) in Casa Grande, Arizona?

What is the current concentration of ozone (O3) in Casa Grande, Arizona?

What is the current concentration of nitrogen dioxide (NO2) in Casa Grande, Arizona?

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 Casa Grande, Arizona?

What is the current concentration of PM₁₀ in Casa Grande, Arizona?

What is the current concentration of sulfur dioxide (SO₂) in Casa Grande, Arizona?

What is the current concentration of ozone (O₃) in Casa Grande, Arizona?

What is the current concentration of nitrogen dioxide (NO₂) in Casa Grande, Arizona?