What is the current level of PM10 in Portland, Oregon?

Portland, Oregon currently has a PM10 concentration of 32.516 μg/m3.

What is the current level of sulfur dioxide (SO2) in Portland, Oregon?

The current sulfur dioxide (SO2) concentration in Portland, Oregon is 0.805 ppb.

What is the current level of ozone (O3) in Portland, Oregon?

Portland, Oregon currently has an ozone (O3) concentration of 25.649 ppm.

What is the current level of nitrogen dioxide (NO2) in Portland, Oregon?

The current level of nitrogen dioxide (NO2) in Portland, Oregon is 6.843 ppb.

Current air quality index in Portland, Oregon today

Name: Live air pollution levels in Portland, Oregon today
Creator: Ambee

Stay updated with real-time air quality in Portland, Oregon 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

Portland, Oregon

Last updated: ... (Local time)

Common air pollutants in Portland, Oregon

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.39 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.52 μg/m³

155

255

425

605+

Ozone (O₃)

25.65 ppb

201

201+

Sulfur Dioxide (SO₂)

0.81 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Portland, Oregon

Scroll To Air Quality Map

Track live Portland, Oregon air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T01:00:00.000Z	38 \| good	6.917 \| good	30.232 \| good	39.726 \| good	0.496 \| good	11.103 \| good	0.233 \| good
2025-09-04T02:00:00.000Z	41 \| good	7.158 \| good	31.888 \| good	43.637 \| good	0.475 \| good	14.956 \| good	0.267 \| good
2025-09-04T03:00:00.000Z	44 \| good	7.873 \| good	34.811 \| good	30.792 \| good	0.471 \| good	10.791 \| good	0.266 \| good
2025-09-04T04:00:00.000Z	49 \| good	8.531 \| good	37.829 \| good	28.847 \| good	0.57 \| good	9.913 \| good	0.263 \| good
2025-09-04T05:00:00.000Z	44 \| good	8.485 \| good	37.416 \| good	28.024 \| good	0.474 \| good	13.004 \| good	0.205 \| good
2025-09-04T06:00:00.000Z	44 \| good	8.485 \| good	37.416 \| good	25.455 \| good	0.451 \| good	16.452 \| good	0.209 \| good
2025-09-04T07:00:00.000Z	38 \| good	7.478 \| good	33.656 \| good	22.943 \| good	0.417 \| good	13.156 \| good	0.174 \| good
2025-09-04T08:00:00.000Z	33 \| good	6.269 \| good	28.006 \| good	19.376 \| good	0.367 \| good	13.793 \| good	0.172 \| good
2025-09-04T09:00:00.000Z	33 \| good	6.076 \| good	27.227 \| good	16.393 \| good	0.305 \| good	11.511 \| good	0.102 \| good
2025-09-04T10:00:00.000Z	33 \| good	6.069 \| good	27.169 \| good	13.536 \| good	0.361 \| good	13.015 \| good	0.102 \| good
2025-09-04T11:00:00.000Z	33 \| good	6.205 \| good	27.826 \| good	11.486 \| good	0.304 \| good	10.636 \| good	0.134 \| good
2025-09-04T12:00:00.000Z	33 \| good	6.205 \| good	27.826 \| good	8.563 \| good	0.258 \| good	10.659 \| good	0.134 \| good
2025-09-04T13:00:00.000Z	52 \| moderate	9.63 \| good	42.088 \| good	9.451 \| good	0.498 \| good	6.276 \| good	0.214 \| good
2025-09-04T14:00:00.000Z	38 \| good	6.599 \| good	29.581 \| good	8.952 \| good	0.275 \| good	9.954 \| good	0.138 \| good
2025-09-04T15:00:00.000Z	33 \| good	6.359 \| good	28.023 \| good	8.697 \| good	0.25 \| good	10.389 \| good	0.104 \| good
2025-09-04T16:00:00.000Z	33 \| good	6.293 \| good	28.023 \| good	8.622 \| good	0.354 \| good	12.292 \| good	0.207 \| good
2025-09-04T17:00:00.000Z	33 \| good	6.239 \| good	28.111 \| good	13.064 \| good	0.433 \| good	9.408 \| good	0.141 \| good
2025-09-04T18:00:00.000Z	33 \| good	6.239 \| good	28.111 \| good	12.207 \| good	0.412 \| good	6.588 \| good	0.139 \| good
2025-09-04T19:00:00.000Z	33 \| good	6.203 \| good	27.57 \| good	15.391 \| good	0.406 \| good	7.584 \| good	0.173 \| good
2025-09-04T20:00:00.000Z	33 \| good	6.275 \| good	28.133 \| good	15.786 \| good	0.429 \| good	8.311 \| good	0.231 \| good
2025-09-04T21:00:00.000Z	33 \| good	6.192 \| good	26.825 \| good	23.925 \| good	0.62 \| good	7.752 \| good	0.235 \| good
2025-09-04T22:00:00.000Z	38 \| good	6.558 \| good	29.005 \| good	29.754 \| good	0.746 \| good	7.052 \| good	0.239 \| good
2025-09-04T23:00:00.000Z	38 \| good	7.039 \| good	31.831 \| good	34.545 \| good	0.589 \| good	7.454 \| good	0.271 \| good
2025-09-05T00:00:00.000Z	41 \| good	7.188 \| good	32.186 \| good	43.83 \| good	0.561 \| good	6.269 \| good	0.204 \| good
2025-09-05T01:00:00.000Z	40 \| good	6.887 \| good	29.989 \| good	43.183 \| good	0.561 \| good	4.928 \| good	0.204 \| good
2025-09-05T02:00:00.000Z	39 \| good	6.63 \| good	28.85 \| good	42.135 \| good	0.858 \| good	5.806 \| good	0.207 \| good
2025-09-05T03:00:00.000Z	38 \| good	6.55 \| good	28.855 \| good	34.366 \| good	0.78 \| good	8.601 \| good	0.172 \| good
2025-09-05T04:00:00.000Z	38 \| good	6.588 \| good	28.924 \| good	30.309 \| good	0.623 \| good	12.624 \| good	0.237 \| good
2025-09-05T05:00:00.000Z	38 \| good	6.711 \| good	29.244 \| good	34.525 \| good	0.461 \| good	13.159 \| good	0.24 \| good
2025-09-05T06:00:00.000Z	44 \| good	7.618 \| good	33.742 \| good	27.972 \| good	0.974 \| good	12.623 \| good	0.182 \| good
2025-09-05T07:00:00.000Z	44 \| good	7.557 \| good	33.538 \| good	24.702 \| good	0.385 \| good	11.422 \| good	0.142 \| good
2025-09-05T08:00:00.000Z	44 \| good	7.75 \| good	34.563 \| good	22.399 \| good	0.36 \| good	11.25 \| good	0.138 \| good
2025-09-05T09:00:00.000Z	38 \| good	7.498 \| good	33.384 \| good	18.909 \| good	0.369 \| good	9.485 \| good	0.102 \| good
2025-09-05T10:00:00.000Z	44 \| good	7.506 \| good	33.263 \| good	14.746 \| good	0.369 \| good	9.548 \| good	0.102 \| good
2025-09-05T11:00:00.000Z	38 \| good	7.436 \| good	32.75 \| good	15.249 \| good	0.379 \| good	8.531 \| good	0.102 \| good
2025-09-05T12:00:00.000Z	38 \| good	7.259 \| good	31.96 \| good	14.442 \| good	0.382 \| good	9.791 \| good	0.105 \| good
2025-09-05T13:00:00.000Z	38 \| good	7.259 \| good	31.96 \| good	11.059 \| good	0.308 \| good	9.89 \| good	0.105 \| good
2025-09-05T14:00:00.000Z	38 \| good	7.357 \| good	32.464 \| good	9.582 \| good	0.46 \| good	11.939 \| good	0.144 \| good
2025-09-05T15:00:00.000Z	44 \| good	7.529 \| good	32.836 \| good	9.728 \| good	0.469 \| good	10.259 \| good	0.205 \| good
2025-09-05T16:00:00.000Z	38 \| good	7.478 \| good	32.917 \| good	10.35 \| good	0.522 \| good	9.859 \| good	0.202 \| good
2025-09-05T17:00:00.000Z	38 \| good	7.475 \| good	32.964 \| good	10.071 \| good	0.616 \| good	10.105 \| good	0.143 \| good
2025-09-05T18:00:00.000Z	38 \| good	7.444 \| good	32.883 \| good	11.972 \| good	0.699 \| good	7.363 \| good	0.144 \| good
2025-09-05T19:00:00.000Z	38 \| good	7.434 \| good	32.883 \| good	12.248 \| good	0.893 \| good	8.555 \| good	0.205 \| good
2025-09-05T20:00:00.000Z	38 \| good	7.478 \| good	32.97 \| good	14.185 \| good	0.794 \| good	10.094 \| good	0.234 \| good
2025-09-05T21:00:00.000Z	38 \| good	7.481 \| good	32.709 \| good	16.315 \| good	0.693 \| good	9.512 \| good	0.234 \| good
2025-09-05T22:00:00.000Z	38 \| good	7.109 \| good	31.122 \| good	22.246 \| good	0.82 \| good	8.215 \| good	0.265 \| good
2025-09-05T23:00:00.000Z	38 \| good	7.388 \| good	32.516 \| good	25.649 \| good	0.805 \| good	6.843 \| good	0.267 \| good
2025-09-06T00:00:00.000Z	38 \| good	7.388 \| good	32.516 \| good	25.649 \| good	0.805 \| good	6.843 \| good	0.267 \| good
2025-09-05T00:00:00.000Z	49 \| good	9.077 \| good	39.473 \| good	49.66 \| good	0.697 \| good	1.748 \| good	0.191 \| good
2025-09-05T01:00:00.000Z	49 \| good	8.599 \| good	37.558 \| good	48.353 \| good	0.674 \| good	4.803 \| good	0.216 \| good
2025-09-05T02:00:00.000Z	38 \| good	7.136 \| good	32.228 \| good	39.674 \| good	0.651 \| good	7.859 \| good	0.241 \| good
2025-09-05T03:00:00.000Z	38 \| good	7.363 \| good	32.6 \| good	26.9 \| good	0.628 \| good	10.915 \| good	0.266 \| good
2025-09-05T04:00:00.000Z	38 \| good	7.325 \| good	32.477 \| good	19.405 \| good	0.62 \| good	11.14 \| good	0.269 \| good
2025-09-05T05:00:00.000Z	33 \| good	6.388 \| good	27.734 \| good	20.528 \| good	0.613 \| good	11.365 \| good	0.271 \| good
2025-09-05T06:00:00.000Z	38 \| good	6.814 \| good	29.699 \| good	20.232 \| good	0.605 \| good	11.59 \| good	0.274 \| good
2025-09-05T07:00:00.000Z	44 \| good	7.565 \| good	33.808 \| good	18.18 \| good	0.568 \| good	10.974 \| good	0.271 \| good
2025-09-05T08:00:00.000Z	44 \| good	7.956 \| good	35.319 \| good	16.964 \| good	0.531 \| good	10.357 \| good	0.268 \| good
2025-09-05T09:00:00.000Z	44 \| good	8.212 \| good	36.19 \| good	14.488 \| good	0.493 \| good	9.741 \| good	0.266 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.641 \| good	37.932 \| good	13.234 \| good	0.475 \| good	8.836 \| good	0.259 \| good
2025-09-05T11:00:00.000Z	49 \| good	9.121 \| good	39.948 \| good	11.573 \| good	0.457 \| good	7.932 \| good	0.252 \| good
2025-09-05T12:00:00.000Z	54 \| moderate	10.893 \| good	48.025 \| good	12.18 \| good	0.439 \| good	7.028 \| good	0.245 \| good
2025-09-05T13:00:00.000Z	60 \| moderate	13.767 \| fine	62.248 \| fine	7.997 \| good	0.444 \| good	6.574 \| good	0.242 \| good
2025-09-05T14:00:00.000Z	62 \| moderate	15.336 \| fine	68.808 \| fine	13.177 \| good	0.449 \| good	6.121 \| good	0.239 \| good
2025-09-05T15:00:00.000Z	58 \| moderate	13.14 \| fine	58.544 \| fine	16.016 \| good	0.454 \| good	5.667 \| good	0.236 \| good
2025-09-05T16:00:00.000Z	58 \| moderate	13.316 \| fine	60.05 \| fine	14.644 \| good	0.483 \| good	4.943 \| good	0.23 \| good
2025-09-05T17:00:00.000Z	60 \| moderate	14.156 \| fine	63.92 \| fine	14.824 \| good	0.512 \| good	4.218 \| good	0.225 \| good
2025-09-05T18:00:00.000Z	62 \| moderate	14.775 \| fine	65.795 \| fine	18.77 \| good	0.541 \| good	3.493 \| good	0.219 \| good
2025-09-05T19:00:00.000Z	60 \| moderate	14.139 \| fine	63.848 \| fine	23.407 \| good	0.562 \| good	2.897 \| good	0.214 \| good
2025-09-05T20:00:00.000Z	60 \| moderate	14.22 \| fine	63.855 \| fine	28.422 \| good	0.582 \| good	2.301 \| good	0.21 \| good
2025-09-05T21:00:00.000Z	62 \| moderate	15.008 \| fine	66.341 \| fine	35.192 \| good	0.603 \| good	1.705 \| good	0.205 \| good
2025-09-05T22:00:00.000Z	62 \| moderate	15.443 \| fine	68.122 \| fine	37.887 \| good	0.575 \| good	1.786 \| good	0.2 \| good
2025-09-05T23:00:00.000Z	64 \| moderate	15.548 \| fine	69.72 \| fine	41.217 \| good	0.547 \| good	1.867 \| good	0.195 \| good
2025-09-06T00:00:00.000Z	60 \| moderate	14.394 \| fine	64.271 \| fine	45.083 \| good	0.519 \| good	1.948 \| good	0.19 \| good
2025-09-06T01:00:00.000Z	64 \| moderate	15.994 \| fine	71.606 \| fine	38.875 \| good	0.515 \| good	4.368 \| good	0.209 \| good
2025-09-06T02:00:00.000Z	77 \| moderate	23.035 \| fine	101.2 \| fine	29.335 \| good	0.511 \| good	6.789 \| good	0.228 \| good
2025-09-06T03:00:00.000Z	92 \| moderate	31.394 \| fine	136.251 \| fine	21.34 \| good	0.507 \| good	9.21 \| good	0.246 \| good
2025-09-06T04:00:00.000Z	96 \| moderate	32.737 \| fine	141.74 \| fine	19.477 \| good	0.504 \| good	9.891 \| good	0.252 \| good
2025-09-06T05:00:00.000Z	88 \| moderate	29.378 \| fine	128.193 \| fine	20.653 \| good	0.501 \| good	10.571 \| good	0.258 \| good
2025-09-06T06:00:00.000Z	82 \| moderate	26.129 \| fine	113.809 \| fine	18.34 \| good	0.498 \| good	11.252 \| good	0.265 \| good
2025-09-06T07:00:00.000Z	81 \| moderate	24.539 \| fine	107.536 \| fine	16.77 \| good	0.483 \| good	10.129 \| good	0.255 \| good
2025-09-06T08:00:00.000Z	75 \| moderate	21.689 \| fine	94.276 \| fine	16.44 \| good	0.467 \| good	9.006 \| good	0.246 \| good
2025-09-06T09:00:00.000Z	66 \| moderate	17.353 \| fine	77.293 \| fine	14.141 \| good	0.452 \| good	7.883 \| good	0.236 \| good
2025-09-06T10:00:00.000Z	58 \| moderate	13.062 \| fine	58.81 \| fine	14.577 \| good	0.424 \| good	6.95 \| good	0.226 \| good
2025-09-06T11:00:00.000Z	58 \| moderate	13.145 \| fine	59.611 \| fine	12.461 \| good	0.397 \| good	6.017 \| good	0.216 \| good
2025-09-06T12:00:00.000Z	56 \| moderate	11.591 \| good	51.431 \| good	9.866 \| good	0.37 \| good	5.085 \| good	0.205 \| good
2025-09-06T13:00:00.000Z	52 \| moderate	10.013 \| good	44.661 \| good	12.645 \| good	0.396 \| good	4.977 \| good	0.205 \| good
2025-09-06T14:00:00.000Z	44 \| good	8.052 \| good	35.202 \| good	14.855 \| good	0.422 \| good	4.869 \| good	0.204 \| good
2025-09-06T15:00:00.000Z	38 \| good	7.292 \| good	32.602 \| good	19.16 \| good	0.448 \| good	4.761 \| good	0.203 \| good
2025-09-06T16:00:00.000Z	38 \| good	7.303 \| good	32.717 \| good	21.132 \| good	0.506 \| good	4.5 \| good	0.2 \| good
2025-09-06T17:00:00.000Z	49 \| good	8.587 \| good	37.634 \| good	21.824 \| good	0.564 \| good	4.239 \| good	0.197 \| good
2025-09-06T18:00:00.000Z	52 \| moderate	10.072 \| good	44.703 \| good	23.917 \| good	0.622 \| good	3.978 \| good	0.194 \| good
2025-09-06T19:00:00.000Z	54 \| moderate	11.256 \| good	49.896 \| good	27.866 \| good	0.611 \| good	3.741 \| good	0.191 \| good
2025-09-06T20:00:00.000Z	58 \| moderate	13.124 \| fine	59.827 \| fine	33.171 \| good	0.6 \| good	3.504 \| good	0.188 \| good
2025-09-06T21:00:00.000Z	60 \| moderate	13.572 \| fine	60.627 \| fine	34.079 \| good	0.588 \| good	3.267 \| good	0.184 \| good
2025-09-06T22:00:00.000Z	62 \| moderate	15.14 \| fine	66.747 \| fine	35.484 \| good	0.606 \| good	3.466 \| good	0.185 \| good
2025-09-06T23:00:00.000Z	66 \| moderate	16.774 \| fine	74.541 \| fine	40.912 \| good	0.624 \| good	3.664 \| good	0.186 \| good

Portland

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Portland, Oregon

0.28ppm

How accurate is Oregon, USA air quality data?

The air quality data for Oregon, 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 Portland, Oregon get updated?

Air quality updates for Portland, Oregon are available every hour.

What time in the past 24 hours saw the poorest air quality in Portland, Oregon?

Portland, Oregon experienced its worst air quality at 03:00:00, 2025-09-05.

When was air quality in Portland, Oregon the best over the past 24 hours?

The best air quality in Portland, Oregon was observed at 11:00:00 on 2025-09-05.

What is the air quality in Portland, Oregon right now?

The air quality in Portland, Oregon right now is Good, with an AQI of 38.

What pollutant is most frequently found in Portland, Oregon?

In Portland, Oregon, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Portland, Oregon is poor?

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

What is the PM_2.5 concentration in Portland, Oregon right now?

Portland, Oregon currently has a PM_2.5 concentration of 7.388 μg/m³.

What is the current level of PM₁₀ in Portland, Oregon?

Portland, Oregon currently has a PM₁₀ concentration of 32.516 μg/m³.

What is the current level of carbon monoxide (CO) in Portland, Oregon?

The current carbon monoxide (CO) level in Portland, Oregon is 0.267 ppm.

What is the current level of sulfur dioxide (SO₂) in Portland, Oregon?

The current sulfur dioxide (SO₂) concentration in Portland, Oregon is 0.805 ppb.

What is the current level of ozone (O₃) in Portland, Oregon?

Portland, Oregon currently has an ozone (O₃) concentration of 25.649 ppm.

What is the current level of nitrogen dioxide (NO₂) in Portland, Oregon?

The current level of nitrogen dioxide (NO₂) in Portland, Oregon is 6.843 ppb.

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