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

Latest air quality data: Cajamarca

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

particulate matter (PM2.5) dust - 4 (Good)
particulate matter (PM10) suspended dust - 5 (Good)
ozone (O3) - 64 (Good)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 1 (Good)
carbon monoxide (CO) - 330 (Good)

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

AQI 1 Good

What is the air quality in Cajamarca today? Is the air polluted in Cajamarca?. 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 Cajamarca.

What is the current level of PM2.5 in Cajamarca? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 4 (Good) For comparison, the highest level of PM2.5 in Cajamarca in the last 7 days was: 7 (Monday, August 24, 2026) and the lowest: 3 (Thursday, August 20, 2026).

What is the level of PM10 today in Cajamarca? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Cajamarca is: 5 (Good)

How is the O3 level today in Cajamarca? (ozone (O3))
64 (Good)

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

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

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

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

PM2,5 4 (Good)

PM10 5 (Good)

O3 64 (Good)

NO2 4 (Good)

SO2 1 (Good)

CO 330 (Good)

Data on air pollution from recent days in Cajamarca

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	4 Good	6 Good	7 Good	6 Good	5 Good	5 Good	3 Good	5 Good
pm10	5 Good	6 Good	7 Good	6 Good	5 Good	5 Good	3 Good	5 Good
o3	50 Good	37 Good	50 Good	47 Good	48 Good	49 Good	45 Good	37 Good
no2	4 Good	5 Good	3 Good	1 Good	3 Good	4 Good	2 Good	4 Good
so2	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	0 Good	1 Good
co	232 Good	250 Good	248 Good	186 Good	168 Good	198 Good	175 Good	178 Good

data source »

Cajamarca

Wednesday, August 26, 2026 at 8:00 PM

PM2,5 4.2 (Good)

particulate matter (PM2.5) dust

PM10 5.1 (Good)

particulate matter (PM10) suspended dust

O3 64 (Good)

ozone (O3)

NO2 4 (Good)

nitrogen dioxide (NO2)

SO2 1.1 (Good)

sulfur dioxide (SO2)

CO 330 (Good)

carbon monoxide (CO)

Cajamarca

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	5.3	2.7	4.7	4.6	5.8	6.8	6.2	4.3
pm10	5.5	2.9	5.2	4.8	6.1	7.1	6.3	4.7
o3	37	45	49	48	47	50	37	50
no2	4.2	1.9	3.9	3.1	1.5	2.8	5.1	4.1
so2	0.72	0.45	0.65	0.65	0.51	0.59	0.68	0.78
co	178	175	198	168	186	248	250	232

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

🌦️ Weather · 16-day Forecast — Cajamarca

16-day weather forecast for Cajamarca: today around 21°C (rain), lows near 11°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 — Cajamarca

The UV index in Cajamarca today is 9.7 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Cajamarca — compare nearby locations.

Trujillo Province 13 µg/m³
Chiclayo 14 µg/m³
Chimbote 13 µg/m³
Piura 13 µg/m³
Sullana 13 µg/m³
LojaEcuador 4 µg/m³
Huánuco 2 µg/m³
Pucallpa 14 µg/m³

Frequently asked questions

Is the air safe to breathe in Cajamarca today?

The current average PM2.5 across Cajamarca is about 4 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Cajamarca?

Right now PM2.5 in Cajamarca averages about 4 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 Cajamarca?

Over the past week, the highest daily PM2.5 in Cajamarca was recorded on Monday, August 24 (about 7 µg/m³).

What is the UV index in Cajamarca today?

The UV index in Cajamarca today is 9.7 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Cajamarca?

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.