What is the PM10 level in Tucson, Arizona at the moment?

The PM10 concentration in Tucson, Arizona is 23.81 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Tucson, Arizona at the moment?

Currently, Tucson, Arizona has a sulfur dioxide (SO2) concentration of 0.553 ppb.

What is the ozone (O3) level in Tucson, Arizona at the moment?

The current ozone (O3) level in Tucson, Arizona at the moment is 28.935 ppm.

What is the nitrogen dioxide (NO2) level in Tucson, Arizona at the moment?

Nitrogen dioxide (NO2) level in Tucson, Arizona at the moment is 2.288 ppb.

Live air quality index in Tucson, Arizona today

Q: What is the PM2.5 level in Tucson, Arizona at the moment?

PM2.5 levels in Tucson, Arizona are currently 5.125 μg/m3.

Stay updated with real-time air quality in Tucson, 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

Tucson, Arizona

Last updated: ... (Local time)

Major air pollutants in Tucson, Arizona

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

23.80 μg/m³

155

255

425

605+

Ozone (O₃)

28.31 ppb

201

201+

Sulfur Dioxide (SO₂)

0.57 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.55 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Tucson, Arizona

Get Live Pollen Counts

Tucson, Arizona

Scroll To Air Quality Map

Track live Tucson, Arizona air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	31 \| good	4.5 \| good	13 \| good	34.368 \| good	0.767 \| good	1.672 \| good	0.107 \| good
2026-10-20T23:00:00.000Z	38 \| good	6.8 \| good	14 \| good	33.395 \| good	0.636 \| good	1.46 \| good	0.107 \| good
2026-10-21T00:00:00.000Z	38 \| good	6.8 \| good	14 \| good	30.964 \| good	0.502 \| good	1.697 \| good	0.107 \| good
2026-10-21T01:00:00.000Z	33 \| good	6.2 \| good	19 \| good	33.204 \| good	0.511 \| good	4.98 \| good	0.204 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.1 \| good	18 \| good	30.189 \| good	0.5 \| good	11.936 \| good	0.304 \| good
2026-10-21T03:00:00.000Z	31 \| good	2.654 \| good	11.069 \| good	34.339 \| good	0.124 \| good	3.952 \| good	0.126 \| good
2026-10-21T04:00:00.000Z	44 \| good	7.7 \| good	16 \| good	22.331 \| good	0.551 \| good	12.208 \| good	0.251 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.8 \| good	16 \| good	22.428 \| good	0.557 \| good	14.338 \| good	0.253 \| good
2026-10-21T06:00:00.000Z	38 \| good	6.8 \| good	16 \| good	18.27 \| good	0.554 \| good	13.05 \| good	0.298 \| good
2026-10-21T07:00:00.000Z	22 \| good	4.4 \| good	15 \| good	17.222 \| good	0.505 \| good	12.863 \| good	0.298 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.6 \| good	20 \| good	16.023 \| good	0.528 \| good	9.929 \| good	0.263 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.6 \| good	20 \| good	10.773 \| good	0.488 \| good	10.707 \| good	0.261 \| good
2026-10-21T10:00:00.000Z	33 \| good	5.9 \| good	10 \| good	11.506 \| good	0.671 \| good	9.942 \| good	0.171 \| good
2026-10-21T11:00:00.000Z	33 \| good	5.9 \| good	10 \| good	12.763 \| good	0.516 \| good	9.842 \| good	0.171 \| good
2026-10-21T12:00:00.000Z	22 \| good	4.2 \| good	9 \| good	11.128 \| good	0.664 \| good	8.825 \| good	0.172 \| good
2026-10-21T13:00:00.000Z	22 \| good	4.2 \| good	9 \| good	12.967 \| good	0.685 \| good	8.811 \| good	0.172 \| good
2026-10-21T14:00:00.000Z	33 \| good	5.5 \| good	15 \| good	12.423 \| good	0.546 \| good	12.189 \| good	0.288 \| good
2026-10-21T15:00:00.000Z	33 \| good	5.5 \| good	15 \| good	9.865 \| good	0.532 \| good	10.353 \| good	0.288 \| good
2026-10-21T16:00:00.000Z	44 \| good	8.3 \| good	29 \| good	14.451 \| good	0.563 \| good	9.392 \| good	0.346 \| good
2026-10-21T17:00:00.000Z	44 \| good	8.1 \| good	31 \| good	15.346 \| good	0.598 \| good	6.452 \| good	0.249 \| good
2026-10-21T18:00:00.000Z	38 \| good	6.5 \| good	25 \| good	20.355 \| good	0.559 \| good	4.261 \| good	0.252 \| good
2026-10-21T19:00:00.000Z	44 \| good	8.2 \| good	25 \| good	21.806 \| good	0.573 \| good	3.462 \| good	0.206 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	11.1 \| good	25 \| good	20.197 \| good	0.586 \| good	5.488 \| good	0.244 \| good
2026-10-21T21:00:00.000Z	49 \| good	9 \| good	25 \| good	26.086 \| good	0.6 \| good	2.775 \| good	0.204 \| good
2026-10-21T22:00:00.000Z	33 \| good	6 \| good	27 \| good	30.788 \| good	0.592 \| good	1.788 \| good	0.146 \| good
2026-10-21T23:00:00.000Z	33 \| good	6 \| good	27 \| good	33.613 \| good	0.662 \| good	1.843 \| good	0.149 \| good
2026-10-22T00:00:00.000Z	38 \| good	6.5 \| good	29 \| good	31.461 \| good	0.901 \| good	3.064 \| good	0.155 \| good
2026-10-22T01:00:00.000Z	38 \| good	6.7 \| good	30 \| good	28.69 \| good	0.663 \| good	5.13 \| good	0.251 \| good
2026-10-22T02:00:00.000Z	44 \| good	8.3 \| good	37 \| good	28.775 \| good	0.624 \| good	5.51 \| good	0.211 \| good
2026-10-22T03:00:00.000Z	27 \| good	4.928 \| good	21.627 \| good	26.209 \| good	0.262 \| good	2.845 \| good	0.12 \| good
2026-10-22T04:00:00.000Z	44 \| good	8.1 \| good	36 \| good	25.015 \| good	0.702 \| good	6.964 \| good	0.244 \| good
2026-10-22T05:00:00.000Z	49 \| good	9.2 \| good	41 \| good	23.744 \| good	0.574 \| good	11.609 \| good	0.335 \| good
2026-10-22T06:00:00.000Z	54 \| moderate	10.6 \| good	47 \| good	24.583 \| good	0.536 \| good	7.593 \| good	0.24 \| good
2026-10-22T07:00:00.000Z	54 \| moderate	10.6 \| good	47 \| good	19.358 \| good	0.633 \| good	7.985 \| good	0.24 \| good
2026-10-22T08:00:00.000Z	49 \| good	9.4 \| good	42 \| good	16.483 \| good	0.515 \| good	11.515 \| good	0.242 \| good
2026-10-22T09:00:00.000Z	44 \| good	7.7 \| good	34 \| good	13.307 \| good	0.604 \| good	8.264 \| good	0.239 \| good
2026-10-22T10:00:00.000Z	44 \| good	8.3 \| good	37 \| good	14.039 \| good	0.515 \| good	8.235 \| good	0.206 \| good
2026-10-22T11:00:00.000Z	49 \| good	9.1 \| good	41 \| good	10.802 \| good	0.537 \| good	10.045 \| good	0.207 \| good
2026-10-22T12:00:00.000Z	49 \| good	9 \| good	41 \| good	13.628 \| good	0.552 \| good	10.489 \| good	0.205 \| good
2026-10-22T13:00:00.000Z	49 \| good	9 \| good	41 \| good	11.287 \| good	0.507 \| good	10.563 \| good	0.205 \| good
2026-10-22T14:00:00.000Z	49 \| good	8.5 \| good	37 \| good	9.348 \| good	0.518 \| good	7.346 \| good	0.258 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.7 \| good	34 \| good	18.343 \| good	0.567 \| good	11.938 \| good	0.388 \| good
2026-10-22T16:00:00.000Z	44 \| good	7.8 \| good	34 \| good	19.179 \| good	0.523 \| good	16.282 \| good	0.501 \| good
2026-10-22T17:00:00.000Z	44 \| good	7.8 \| good	34 \| good	17.003 \| good	0.548 \| good	12.998 \| good	0.309 \| good
2026-10-22T18:00:00.000Z	38 \| good	6.9 \| good	31 \| good	18.749 \| good	0.5 \| good	6.152 \| good	0.246 \| good
2026-10-22T19:00:00.000Z	33 \| good	6.4 \| good	25 \| good	22.812 \| good	0.552 \| good	3.833 \| good	0.209 \| good
2026-10-22T20:00:00.000Z	33 \| good	5.5 \| good	27 \| good	29.126 \| good	0.552 \| good	2.88 \| good	0.244 \| good
2026-10-22T21:00:00.000Z	27 \| good	5.2 \| good	27 \| good	28.337 \| good	0.567 \| good	3.468 \| good	0.146 \| good
2026-10-22T21:00:00.000Z	27 \| good	4.918 \| good	23.802 \| good	28.31 \| good	0.568 \| good	3.548 \| good	0.128 \| good
2026-10-22T22:00:00.000Z	27 \| good	3.724 \| good	16.212 \| good	28.533 \| good	0.172 \| good	0.328 \| good	0.095 \| good
2026-10-22T23:00:00.000Z	24 \| good	3.789 \| good	16.34 \| good	25.611 \| good	0.144 \| good	0.373 \| good	0.094 \| good
2026-10-23T00:00:00.000Z	22 \| good	4.023 \| good	17.582 \| good	23.712 \| good	0.132 \| good	0.517 \| good	0.094 \| good
2026-10-23T01:00:00.000Z	22 \| good	4.171 \| good	17.987 \| good	23.319 \| good	0.119 \| good	1.239 \| good	0.101 \| good
2026-10-23T02:00:00.000Z	28 \| good	3.803 \| good	16.608 \| good	29.868 \| good	0.11 \| good	2.078 \| good	0.108 \| good
2026-10-23T03:00:00.000Z	29 \| good	2.819 \| good	11.866 \| good	30.809 \| good	0.107 \| good	2.575 \| good	0.111 \| good
2026-10-23T04:00:00.000Z	28 \| good	2.564 \| good	10.573 \| good	30.268 \| good	0.107 \| good	3.087 \| good	0.115 \| good
2026-10-23T05:00:00.000Z	24 \| good	3.027 \| good	12.707 \| good	26.167 \| good	0.108 \| good	3.536 \| good	0.118 \| good
2026-10-23T06:00:00.000Z	27 \| good	4.869 \| good	21.12 \| good	24.549 \| good	0.107 \| good	3.94 \| good	0.122 \| good
2026-10-23T07:00:00.000Z	27 \| good	4.738 \| good	20.718 \| good	23.404 \| good	0.102 \| good	4.311 \| good	0.126 \| good
2026-10-23T08:00:00.000Z	20 \| good	3.12 \| good	12.84 \| good	21.716 \| good	0.097 \| good	4.601 \| good	0.128 \| good
2026-10-23T09:00:00.000Z	19 \| good	2.742 \| good	11.621 \| good	20.595 \| good	0.095 \| good	4.448 \| good	0.126 \| good
2026-10-23T10:00:00.000Z	20 \| good	2.363 \| good	9.636 \| good	22.38 \| good	0.095 \| good	4.466 \| good	0.125 \| good
2026-10-23T11:00:00.000Z	19 \| good	3.252 \| good	14.17 \| good	20.57 \| good	0.092 \| good	5.017 \| good	0.128 \| good
2026-10-23T12:00:00.000Z	27 \| good	5.198 \| good	22.411 \| good	13.23 \| good	0.096 \| good	5.044 \| good	0.128 \| good
2026-10-23T13:00:00.000Z	27 \| good	4.924 \| good	21.31 \| good	10.582 \| good	0.083 \| good	5.634 \| good	0.133 \| good
2026-10-23T14:00:00.000Z	22 \| good	4.44 \| good	19.191 \| good	14.642 \| good	0.076 \| good	5.584 \| good	0.145 \| good
2026-10-23T15:00:00.000Z	27 \| good	5.349 \| good	23.128 \| good	19.864 \| good	0.074 \| good	4.254 \| good	0.167 \| good
2026-10-23T16:00:00.000Z	33 \| good	5.773 \| good	25.617 \| good	24.833 \| good	0.095 \| good	2.627 \| good	0.142 \| good
2026-10-23T17:00:00.000Z	29 \| good	4.876 \| good	20.896 \| good	30.843 \| good	0.126 \| good	1.127 \| good	0.11 \| good
2026-10-23T18:00:00.000Z	33 \| good	4.787 \| good	21.093 \| good	35.52 \| good	0.127 \| good	0.615 \| good	0.101 \| good
2026-10-23T19:00:00.000Z	34 \| good	4.717 \| good	20.586 \| good	37.04 \| good	0.117 \| good	0.401 \| good	0.098 \| good
2026-10-23T20:00:00.000Z	37 \| good	4.08 \| good	17.922 \| good	40.126 \| good	0.11 \| good	0.313 \| good	0.098 \| good
2026-10-23T21:00:00.000Z	38 \| good	3.787 \| good	16.522 \| good	40.841 \| good	0.106 \| good	0.274 \| good	0.099 \| good
2026-10-23T22:00:00.000Z	37 \| good	3.864 \| good	16.94 \| good	40.104 \| good	0.103 \| good	0.267 \| good	0.101 \| good
2026-10-23T23:00:00.000Z	34 \| good	3.997 \| good	17.297 \| good	36.993 \| good	0.101 \| good	0.3 \| good	0.103 \| good
2026-10-24T00:00:00.000Z	30 \| good	5.318 \| good	23.057 \| good	32.45 \| good	0.1 \| good	0.444 \| good	0.106 \| good
2026-10-24T01:00:00.000Z	27 \| good	4.586 \| good	20.286 \| good	27.593 \| good	0.097 \| good	1.324 \| good	0.115 \| good
2026-10-24T02:00:00.000Z	28 \| good	4.842 \| good	20.939 \| good	29.944 \| good	0.096 \| good	2.324 \| good	0.124 \| good
2026-10-24T03:00:00.000Z	27 \| good	5.169 \| good	22.827 \| good	26.904 \| good	0.1 \| good	3.344 \| good	0.132 \| good
2026-10-24T04:00:00.000Z	23 \| good	4.408 \| good	19.387 \| good	24.774 \| good	0.108 \| good	4.469 \| good	0.14 \| good
2026-10-24T05:00:00.000Z	27 \| good	4.576 \| good	19.837 \| good	21.684 \| good	0.114 \| good	5.57 \| good	0.147 \| good
2026-10-24T06:00:00.000Z	33 \| good	6.188 \| good	27.18 \| good	19.632 \| good	0.11 \| good	6.003 \| good	0.151 \| good
2026-10-24T07:00:00.000Z	33 \| good	6.28 \| good	27.288 \| good	17.306 \| good	0.103 \| good	5.693 \| good	0.151 \| good
2026-10-24T08:00:00.000Z	27 \| good	5.2 \| good	22.35 \| good	14.741 \| good	0.097 \| good	5.273 \| good	0.147 \| good
2026-10-24T09:00:00.000Z	27 \| good	4.945 \| good	21.538 \| good	12.356 \| good	0.095 \| good	4.925 \| good	0.144 \| good
2026-10-24T10:00:00.000Z	22 \| good	3.883 \| good	16.946 \| good	13.271 \| good	0.095 \| good	4.698 \| good	0.142 \| good
2026-10-24T11:00:00.000Z	22 \| good	3.757 \| good	16.219 \| good	12.091 \| good	0.097 \| good	4.614 \| good	0.141 \| good
2026-10-24T12:00:00.000Z	22 \| good	4.491 \| good	19.536 \| good	8.372 \| good	0.101 \| good	4.608 \| good	0.141 \| good
2026-10-24T13:00:00.000Z	16 \| good	2.826 \| good	11.99 \| good	6.966 \| good	0.107 \| good	4.765 \| good	0.143 \| good
2026-10-24T14:00:00.000Z	16 \| good	3.074 \| good	13.095 \| good	10.523 \| good	0.118 \| good	4.977 \| good	0.149 \| good
2026-10-24T15:00:00.000Z	27 \| good	4.727 \| good	20.519 \| good	17.73 \| good	0.131 \| good	3.746 \| good	0.153 \| good
2026-10-24T16:00:00.000Z	27 \| good	4.674 \| good	20.378 \| good	28.322 \| good	0.176 \| good	1.606 \| good	0.132 \| good
2026-10-24T17:00:00.000Z	32 \| good	3.609 \| good	15.574 \| good	35.013 \| good	0.175 \| good	0.696 \| good	0.124 \| good
2026-10-24T18:00:00.000Z	37 \| good	3.317 \| good	14.378 \| good	39.662 \| good	0.158 \| good	0.394 \| good	0.121 \| good
2026-10-24T19:00:00.000Z	38 \| good	4.035 \| good	17.817 \| good	40.945 \| good	0.141 \| good	0.263 \| good	0.118 \| good
2026-10-24T20:00:00.000Z	38 \| good	3.376 \| good	14.863 \| good	41.021 \| good	0.129 \| good	0.213 \| good	0.115 \| good
2026-10-24T21:00:00.000Z	37 \| good	3.898 \| good	16.851 \| good	39.642 \| good	0.122 \| good	0.202 \| good	0.113 \| good

Tucson

Get reliable air quality data to drive your business

Tucson, Arizona air quality map: Stay updated on AQI near you

0.27ppm

How accurate is Arizona, USA air quality data?

Air quality and pollutant data for Arizona, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How often is air quality information updated for Tucson, Arizona?

The air quality information for Tucson, Arizona is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Tucson, Arizona at its worst?

In the past 24 hours, the air quality in Tucson, Arizona was at its worst at 07:00:00 on 2026-10-22.

When did Tucson, Arizona experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Tucson, Arizona was observed at 03:00:00 on 2026-10-22.

What is the AQI in Tucson, Arizona right now?

As of now, the AQI in Tucson, Arizona is 27, indicating Good conditions.

What is the most common type of pollution in Tucson, Arizona?

Tucson, Arizona air has the highest levels of O3.

What should I do in case of poor air quality in Tucson, Arizona?

Poor air quality in Tucson, Arizona means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Tucson, Arizona at the moment?

PM_2.5 levels in Tucson, Arizona are currently 5.125 μg/m³.

What is the PM₁₀ level in Tucson, Arizona at the moment?

The PM₁₀ concentration in Tucson, Arizona is 23.81 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Tucson, Arizona at the moment?

The current carbon monoxide (CO) concentration in Tucson, Arizona is 0.227 ppm.

What is the sulfur dioxide (SO₂) level in Tucson, Arizona at the moment?

Currently, Tucson, Arizona has a sulfur dioxide (SO₂) concentration of 0.553 ppb.

What is the ozone (O₃) level in Tucson, Arizona at the moment?

The current ozone (O₃) level in Tucson, Arizona at the moment is 28.935 ppm.

What is the nitrogen dioxide (NO₂) level in Tucson, Arizona at the moment?

Nitrogen dioxide (NO₂) level in Tucson, Arizona at the moment is 2.288 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	31 \| good	4.5 \| good	13 \| good	34.368 \| good	0.767 \| good	1.672 \| good	0.107 \| good
2026-10-20T23:00:00.000Z	38 \| good	6.8 \| good	14 \| good	33.395 \| good	0.636 \| good	1.46 \| good	0.107 \| good
2026-10-21T00:00:00.000Z	38 \| good	6.8 \| good	14 \| good	30.964 \| good	0.502 \| good	1.697 \| good	0.107 \| good
2026-10-21T01:00:00.000Z	33 \| good	6.2 \| good	19 \| good	33.204 \| good	0.511 \| good	4.98 \| good	0.204 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.1 \| good	18 \| good	30.189 \| good	0.5 \| good	11.936 \| good	0.304 \| good
2026-10-21T03:00:00.000Z	31 \| good	2.654 \| good	11.069 \| good	34.339 \| good	0.124 \| good	3.952 \| good	0.126 \| good
2026-10-21T04:00:00.000Z	44 \| good	7.7 \| good	16 \| good	22.331 \| good	0.551 \| good	12.208 \| good	0.251 \| good
2026-10-21T05:00:00.000Z	38 \| good	6.8 \| good	16 \| good	22.428 \| good	0.557 \| good	14.338 \| good	0.253 \| good
2026-10-21T06:00:00.000Z	38 \| good	6.8 \| good	16 \| good	18.27 \| good	0.554 \| good	13.05 \| good	0.298 \| good
2026-10-21T07:00:00.000Z	22 \| good	4.4 \| good	15 \| good	17.222 \| good	0.505 \| good	12.863 \| good	0.298 \| good
2026-10-21T08:00:00.000Z	38 \| good	6.6 \| good	20 \| good	16.023 \| good	0.528 \| good	9.929 \| good	0.263 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.6 \| good	20 \| good	10.773 \| good	0.488 \| good	10.707 \| good	0.261 \| good
2026-10-21T10:00:00.000Z	33 \| good	5.9 \| good	10 \| good	11.506 \| good	0.671 \| good	9.942 \| good	0.171 \| good
2026-10-21T11:00:00.000Z	33 \| good	5.9 \| good	10 \| good	12.763 \| good	0.516 \| good	9.842 \| good	0.171 \| good
2026-10-21T12:00:00.000Z	22 \| good	4.2 \| good	9 \| good	11.128 \| good	0.664 \| good	8.825 \| good	0.172 \| good
2026-10-21T13:00:00.000Z	22 \| good	4.2 \| good	9 \| good	12.967 \| good	0.685 \| good	8.811 \| good	0.172 \| good
2026-10-21T14:00:00.000Z	33 \| good	5.5 \| good	15 \| good	12.423 \| good	0.546 \| good	12.189 \| good	0.288 \| good
2026-10-21T15:00:00.000Z	33 \| good	5.5 \| good	15 \| good	9.865 \| good	0.532 \| good	10.353 \| good	0.288 \| good
2026-10-21T16:00:00.000Z	44 \| good	8.3 \| good	29 \| good	14.451 \| good	0.563 \| good	9.392 \| good	0.346 \| good
2026-10-21T17:00:00.000Z	44 \| good	8.1 \| good	31 \| good	15.346 \| good	0.598 \| good	6.452 \| good	0.249 \| good
2026-10-21T18:00:00.000Z	38 \| good	6.5 \| good	25 \| good	20.355 \| good	0.559 \| good	4.261 \| good	0.252 \| good
2026-10-21T19:00:00.000Z	44 \| good	8.2 \| good	25 \| good	21.806 \| good	0.573 \| good	3.462 \| good	0.206 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	11.1 \| good	25 \| good	20.197 \| good	0.586 \| good	5.488 \| good	0.244 \| good
2026-10-21T21:00:00.000Z	49 \| good	9 \| good	25 \| good	26.086 \| good	0.6 \| good	2.775 \| good	0.204 \| good
2026-10-21T22:00:00.000Z	33 \| good	6 \| good	27 \| good	30.788 \| good	0.592 \| good	1.788 \| good	0.146 \| good
2026-10-21T23:00:00.000Z	33 \| good	6 \| good	27 \| good	33.613 \| good	0.662 \| good	1.843 \| good	0.149 \| good
2026-10-22T00:00:00.000Z	38 \| good	6.5 \| good	29 \| good	31.461 \| good	0.901 \| good	3.064 \| good	0.155 \| good
2026-10-22T01:00:00.000Z	38 \| good	6.7 \| good	30 \| good	28.69 \| good	0.663 \| good	5.13 \| good	0.251 \| good
2026-10-22T02:00:00.000Z	44 \| good	8.3 \| good	37 \| good	28.775 \| good	0.624 \| good	5.51 \| good	0.211 \| good
2026-10-22T03:00:00.000Z	27 \| good	4.928 \| good	21.627 \| good	26.209 \| good	0.262 \| good	2.845 \| good	0.12 \| good
2026-10-22T04:00:00.000Z	44 \| good	8.1 \| good	36 \| good	25.015 \| good	0.702 \| good	6.964 \| good	0.244 \| good
2026-10-22T05:00:00.000Z	49 \| good	9.2 \| good	41 \| good	23.744 \| good	0.574 \| good	11.609 \| good	0.335 \| good
2026-10-22T06:00:00.000Z	54 \| moderate	10.6 \| good	47 \| good	24.583 \| good	0.536 \| good	7.593 \| good	0.24 \| good
2026-10-22T07:00:00.000Z	54 \| moderate	10.6 \| good	47 \| good	19.358 \| good	0.633 \| good	7.985 \| good	0.24 \| good
2026-10-22T08:00:00.000Z	49 \| good	9.4 \| good	42 \| good	16.483 \| good	0.515 \| good	11.515 \| good	0.242 \| good
2026-10-22T09:00:00.000Z	44 \| good	7.7 \| good	34 \| good	13.307 \| good	0.604 \| good	8.264 \| good	0.239 \| good
2026-10-22T10:00:00.000Z	44 \| good	8.3 \| good	37 \| good	14.039 \| good	0.515 \| good	8.235 \| good	0.206 \| good
2026-10-22T11:00:00.000Z	49 \| good	9.1 \| good	41 \| good	10.802 \| good	0.537 \| good	10.045 \| good	0.207 \| good
2026-10-22T12:00:00.000Z	49 \| good	9 \| good	41 \| good	13.628 \| good	0.552 \| good	10.489 \| good	0.205 \| good
2026-10-22T13:00:00.000Z	49 \| good	9 \| good	41 \| good	11.287 \| good	0.507 \| good	10.563 \| good	0.205 \| good
2026-10-22T14:00:00.000Z	49 \| good	8.5 \| good	37 \| good	9.348 \| good	0.518 \| good	7.346 \| good	0.258 \| good
2026-10-22T15:00:00.000Z	44 \| good	7.7 \| good	34 \| good	18.343 \| good	0.567 \| good	11.938 \| good	0.388 \| good
2026-10-22T16:00:00.000Z	44 \| good	7.8 \| good	34 \| good	19.179 \| good	0.523 \| good	16.282 \| good	0.501 \| good
2026-10-22T17:00:00.000Z	44 \| good	7.8 \| good	34 \| good	17.003 \| good	0.548 \| good	12.998 \| good	0.309 \| good
2026-10-22T18:00:00.000Z	38 \| good	6.9 \| good	31 \| good	18.749 \| good	0.5 \| good	6.152 \| good	0.246 \| good
2026-10-22T19:00:00.000Z	33 \| good	6.4 \| good	25 \| good	22.812 \| good	0.552 \| good	3.833 \| good	0.209 \| good
2026-10-22T20:00:00.000Z	33 \| good	5.5 \| good	27 \| good	29.126 \| good	0.552 \| good	2.88 \| good	0.244 \| good
2026-10-22T21:00:00.000Z	27 \| good	5.2 \| good	27 \| good	28.337 \| good	0.567 \| good	3.468 \| good	0.146 \| good
2026-10-22T21:00:00.000Z	27 \| good	4.918 \| good	23.802 \| good	28.31 \| good	0.568 \| good	3.548 \| good	0.128 \| good
2026-10-22T22:00:00.000Z	27 \| good	3.724 \| good	16.212 \| good	28.533 \| good	0.172 \| good	0.328 \| good	0.095 \| good
2026-10-22T23:00:00.000Z	24 \| good	3.789 \| good	16.34 \| good	25.611 \| good	0.144 \| good	0.373 \| good	0.094 \| good
2026-10-23T00:00:00.000Z	22 \| good	4.023 \| good	17.582 \| good	23.712 \| good	0.132 \| good	0.517 \| good	0.094 \| good
2026-10-23T01:00:00.000Z	22 \| good	4.171 \| good	17.987 \| good	23.319 \| good	0.119 \| good	1.239 \| good	0.101 \| good
2026-10-23T02:00:00.000Z	28 \| good	3.803 \| good	16.608 \| good	29.868 \| good	0.11 \| good	2.078 \| good	0.108 \| good
2026-10-23T03:00:00.000Z	29 \| good	2.819 \| good	11.866 \| good	30.809 \| good	0.107 \| good	2.575 \| good	0.111 \| good
2026-10-23T04:00:00.000Z	28 \| good	2.564 \| good	10.573 \| good	30.268 \| good	0.107 \| good	3.087 \| good	0.115 \| good
2026-10-23T05:00:00.000Z	24 \| good	3.027 \| good	12.707 \| good	26.167 \| good	0.108 \| good	3.536 \| good	0.118 \| good
2026-10-23T06:00:00.000Z	27 \| good	4.869 \| good	21.12 \| good	24.549 \| good	0.107 \| good	3.94 \| good	0.122 \| good
2026-10-23T07:00:00.000Z	27 \| good	4.738 \| good	20.718 \| good	23.404 \| good	0.102 \| good	4.311 \| good	0.126 \| good
2026-10-23T08:00:00.000Z	20 \| good	3.12 \| good	12.84 \| good	21.716 \| good	0.097 \| good	4.601 \| good	0.128 \| good
2026-10-23T09:00:00.000Z	19 \| good	2.742 \| good	11.621 \| good	20.595 \| good	0.095 \| good	4.448 \| good	0.126 \| good
2026-10-23T10:00:00.000Z	20 \| good	2.363 \| good	9.636 \| good	22.38 \| good	0.095 \| good	4.466 \| good	0.125 \| good
2026-10-23T11:00:00.000Z	19 \| good	3.252 \| good	14.17 \| good	20.57 \| good	0.092 \| good	5.017 \| good	0.128 \| good
2026-10-23T12:00:00.000Z	27 \| good	5.198 \| good	22.411 \| good	13.23 \| good	0.096 \| good	5.044 \| good	0.128 \| good
2026-10-23T13:00:00.000Z	27 \| good	4.924 \| good	21.31 \| good	10.582 \| good	0.083 \| good	5.634 \| good	0.133 \| good
2026-10-23T14:00:00.000Z	22 \| good	4.44 \| good	19.191 \| good	14.642 \| good	0.076 \| good	5.584 \| good	0.145 \| good
2026-10-23T15:00:00.000Z	27 \| good	5.349 \| good	23.128 \| good	19.864 \| good	0.074 \| good	4.254 \| good	0.167 \| good
2026-10-23T16:00:00.000Z	33 \| good	5.773 \| good	25.617 \| good	24.833 \| good	0.095 \| good	2.627 \| good	0.142 \| good
2026-10-23T17:00:00.000Z	29 \| good	4.876 \| good	20.896 \| good	30.843 \| good	0.126 \| good	1.127 \| good	0.11 \| good
2026-10-23T18:00:00.000Z	33 \| good	4.787 \| good	21.093 \| good	35.52 \| good	0.127 \| good	0.615 \| good	0.101 \| good
2026-10-23T19:00:00.000Z	34 \| good	4.717 \| good	20.586 \| good	37.04 \| good	0.117 \| good	0.401 \| good	0.098 \| good
2026-10-23T20:00:00.000Z	37 \| good	4.08 \| good	17.922 \| good	40.126 \| good	0.11 \| good	0.313 \| good	0.098 \| good
2026-10-23T21:00:00.000Z	38 \| good	3.787 \| good	16.522 \| good	40.841 \| good	0.106 \| good	0.274 \| good	0.099 \| good
2026-10-23T22:00:00.000Z	37 \| good	3.864 \| good	16.94 \| good	40.104 \| good	0.103 \| good	0.267 \| good	0.101 \| good
2026-10-23T23:00:00.000Z	34 \| good	3.997 \| good	17.297 \| good	36.993 \| good	0.101 \| good	0.3 \| good	0.103 \| good
2026-10-24T00:00:00.000Z	30 \| good	5.318 \| good	23.057 \| good	32.45 \| good	0.1 \| good	0.444 \| good	0.106 \| good
2026-10-24T01:00:00.000Z	27 \| good	4.586 \| good	20.286 \| good	27.593 \| good	0.097 \| good	1.324 \| good	0.115 \| good
2026-10-24T02:00:00.000Z	28 \| good	4.842 \| good	20.939 \| good	29.944 \| good	0.096 \| good	2.324 \| good	0.124 \| good
2026-10-24T03:00:00.000Z	27 \| good	5.169 \| good	22.827 \| good	26.904 \| good	0.1 \| good	3.344 \| good	0.132 \| good
2026-10-24T04:00:00.000Z	23 \| good	4.408 \| good	19.387 \| good	24.774 \| good	0.108 \| good	4.469 \| good	0.14 \| good
2026-10-24T05:00:00.000Z	27 \| good	4.576 \| good	19.837 \| good	21.684 \| good	0.114 \| good	5.57 \| good	0.147 \| good
2026-10-24T06:00:00.000Z	33 \| good	6.188 \| good	27.18 \| good	19.632 \| good	0.11 \| good	6.003 \| good	0.151 \| good
2026-10-24T07:00:00.000Z	33 \| good	6.28 \| good	27.288 \| good	17.306 \| good	0.103 \| good	5.693 \| good	0.151 \| good
2026-10-24T08:00:00.000Z	27 \| good	5.2 \| good	22.35 \| good	14.741 \| good	0.097 \| good	5.273 \| good	0.147 \| good
2026-10-24T09:00:00.000Z	27 \| good	4.945 \| good	21.538 \| good	12.356 \| good	0.095 \| good	4.925 \| good	0.144 \| good
2026-10-24T10:00:00.000Z	22 \| good	3.883 \| good	16.946 \| good	13.271 \| good	0.095 \| good	4.698 \| good	0.142 \| good
2026-10-24T11:00:00.000Z	22 \| good	3.757 \| good	16.219 \| good	12.091 \| good	0.097 \| good	4.614 \| good	0.141 \| good
2026-10-24T12:00:00.000Z	22 \| good	4.491 \| good	19.536 \| good	8.372 \| good	0.101 \| good	4.608 \| good	0.141 \| good
2026-10-24T13:00:00.000Z	16 \| good	2.826 \| good	11.99 \| good	6.966 \| good	0.107 \| good	4.765 \| good	0.143 \| good
2026-10-24T14:00:00.000Z	16 \| good	3.074 \| good	13.095 \| good	10.523 \| good	0.118 \| good	4.977 \| good	0.149 \| good
2026-10-24T15:00:00.000Z	27 \| good	4.727 \| good	20.519 \| good	17.73 \| good	0.131 \| good	3.746 \| good	0.153 \| good
2026-10-24T16:00:00.000Z	27 \| good	4.674 \| good	20.378 \| good	28.322 \| good	0.176 \| good	1.606 \| good	0.132 \| good
2026-10-24T17:00:00.000Z	32 \| good	3.609 \| good	15.574 \| good	35.013 \| good	0.175 \| good	0.696 \| good	0.124 \| good
2026-10-24T18:00:00.000Z	37 \| good	3.317 \| good	14.378 \| good	39.662 \| good	0.158 \| good	0.394 \| good	0.121 \| good
2026-10-24T19:00:00.000Z	38 \| good	4.035 \| good	17.817 \| good	40.945 \| good	0.141 \| good	0.263 \| good	0.118 \| good
2026-10-24T20:00:00.000Z	38 \| good	3.376 \| good	14.863 \| good	41.021 \| good	0.129 \| good	0.213 \| good	0.115 \| good
2026-10-24T21:00:00.000Z	37 \| good	3.898 \| good	16.851 \| good	39.642 \| good	0.122 \| good	0.202 \| good	0.113 \| good

Live air quality index in Tucson, Arizona today

Major air pollutants in Tucson, Arizona

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Tucson, Arizona air quality forecast and history

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Tucson, Arizona air quality map: Stay updated on AQI near you

Air quality in nearby cities

Flowing Wells, Arizona

Catalina Foothills, Arizona

Casas Adobes, Arizona

Drexel Heights, Arizona

Oro Valley, Arizona

Valencia West, Arizona

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Air quality levels in US

Frequently asked questions

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What is the sulfur dioxide (SO2) level in Tucson, Arizona at the moment?

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What is the nitrogen dioxide (NO2) level in Tucson, Arizona at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Tucson, Arizona at the moment?

What is the PM₁₀ level in Tucson, Arizona at the moment?

What is the sulfur dioxide (SO₂) level in Tucson, Arizona at the moment?

What is the ozone (O₃) level in Tucson, Arizona at the moment?

What is the nitrogen dioxide (NO₂) level in Tucson, Arizona at the moment?