Air Quality in Riobamba Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

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Latest air quality data: Riobamba

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Pollution and air quality forecast for Riobamba. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Riobamba:

particulate matter (PM2.5) dust - 6 (Good)
particulate matter (PM10) suspended dust - 7 (Good)
ozone (O3) - 29 (Good)
nitrogen dioxide (NO2) - 22 (Good)
sulfur dioxide (SO2) - 8 (Good)
carbon monoxide (CO) - 429 (Good)

Real-time Air Quality Index (AQI) for Riobamba, Wednesday, August 26, 2026: 1.

AQI 1 Good

What is the air quality in Riobamba today? Is the air polluted in Riobamba?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Riobamba.

What is the current level of PM2.5 in Riobamba? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 6 (Good) For comparison, the highest level of PM2.5 in Riobamba in the last 7 days was: 9 (Sunday, August 23, 2026) and the lowest: 4 (Thursday, August 20, 2026).

What is the level of PM10 today in Riobamba? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Riobamba is: 7 (Good)

How is the O3 level today in Riobamba? (ozone (O3))
29 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
22 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
8 (Good)

How high is the CO level? (carbon monoxide (CO))
429 (Good)

Current data Wednesday, August 26, 2026 at 8:00 PM

PM2,5 6 (Good)

PM10 7 (Good)

O3 29 (Good)

NO2 22 (Good)

SO2 8 (Good)

CO 429 (Good)

Data on air pollution from recent days in Riobamba

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
pm25	6 Good	5 Good	8 Good	9 Good	8 Good	7 Good	4 Good	5 Good
pm10	6 Good	6 Good	8 Good	10 Good	8 Good	7 Good	4 Good	5 Good
o3	40 Good	40 Good	35 Good	39 Good	39 Good	42 Good	36 Good	33 Good
no2	8 Good	7 Good	8 Good	6 Good	6 Good	9 Good	6 Good	6 Good
so2	4 Good	3 Good	3 Good	4 Good	3 Good	3 Good	3 Good	3 Good
co	240 Good	273 Good	251 Good	209 Good	167 Good	214 Good	194 Good	210 Good

data source »

Quality of life in Riobamba

Green and Parks in the City

Riobamba 54%

Colombia: 57% Peru: 45% Panama: 51% Costa Rica: 61% Nicaragua: 43%

particulate matter PM2.5

Riobamba 8.8 (Good)

Pleasure of spending time in the city

Riobamba 65%

Colombia: 47% Peru: 36% Panama: 55% Costa Rica: 62% Nicaragua: 52%

particulate matter PM10

Riobamba 20 (Good)

Air Pollution

Riobamba 23%

Colombia: 63% Peru: 76% Panama: 42% Costa Rica: 36% Nicaragua: 39%

Garbage Disposal

Riobamba 46%

Colombia: 50% Peru: 36% Panama: 33% Costa Rica: 50% Nicaragua: 30%

Availability and quality of drinking water

Riobamba 75%

Colombia: 73% Peru: 38% Panama: 66% Costa Rica: 83% Nicaragua: 49%

Cleanliness and tidiness

Riobamba 54%

Colombia: 45% Peru: 29% Panama: 37% Costa Rica: 46% Nicaragua: 29%

Noise and Light pollution

Riobamba 46%

Colombia: 57% Peru: 68% Panama: 60% Costa Rica: 47% Nicaragua: 63%

Water Pollution

Riobamba 67%

Colombia: 52% Peru: 76% Panama: 57% Costa Rica: 44% Nicaragua: 73%

Source: Numbeo

Riobamba

Wednesday, August 26, 2026 at 8:00 PM

PM2,5 6.4 (Good)

particulate matter (PM2.5) dust

PM10 7 (Good)

particulate matter (PM10) suspended dust

O3 29 (Good)

ozone (O3)

NO2 22 (Good)

nitrogen dioxide (NO2)

SO2 7.5 (Good)

sulfur dioxide (SO2)

CO 429 (Good)

carbon monoxide (CO)

Riobamba

index	2026-08-19	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26
pm25	4.9	4.1	6.5	8.1	9.5	7.7	5.3	5.8
pm10	5.3	4.4	7.1	8.5	9.7	7.8	5.5	6.3
o3	33	36	42	39	39	35	40	40
no2	5.9	5.6	8.7	5.6	6	8.4	6.7	8.4
so2	2.7	2.7	3.3	3.2	4.1	3.3	2.6	4
co	210	194	214	167	209	251	273	240

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Riobamba

16-day weather forecast for Riobamba: today around 15°C (rain), lows near 12°C. Daily temperature and conditions, updated every day. A moderate breeze (about 11 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Riobamba

The UV index in Riobamba today is 9 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Riobamba — compare nearby locations.

Ambato 3 µg/m³
Quevedo 16 µg/m³
Cuenca 9 µg/m³
Guayaquil 12 µg/m³
Quito 3 µg/m³
Santo Domingo de los Colorados 15 µg/m³
Machala 12 µg/m³
Manta 15 µg/m³

Frequently asked questions

Is the air safe to breathe in Riobamba today?

The current average PM2.5 across Riobamba is about 6 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Riobamba?

Right now PM2.5 in Riobamba averages about 6 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Riobamba?

Over the past week, the highest daily PM2.5 in Riobamba was recorded on Sunday, August 23 (about 9 µg/m³).

What is the UV index in Riobamba today?

The UV index in Riobamba today is 9 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Riobamba?

A moderate breeze (about 11 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.