Air Pollution in Huasco Bajo: Real-time Air Quality Index and smog alert.

Current data from stations: SM2 SM3 SM4

Locations: « Huasco Huasco Bajo

Pollution and air quality forecast for Huasco Bajo. Today is Sunday, May 18, 2025. The following air pollution values have been recorded for Huasco Bajo:

sulfur dioxide (SO2) - 9 (Good)
nitrogen dioxide (NO2) - 48 (Moderate)
ozone (O3) - 115 (Moderate)
particulate matter (PM10) suspended dust - 22 (Moderate)
particulate matter (PM2.5) dust - 3 (Good)
carbon monoxide (CO) - 360 (Good)

Real-time Air Quality Index (AQI) for Huasco Bajo, Friday, May 27, 2022: 2.

AQI 2 Moderate

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

Today (Friday, May 27, 2022) air quality is moderate in Huasco Bajo. Some pollutants in Huasco Bajo may slightly affect very few hypersensitive individuals. Air pollutants in Huasco Bajo may cause minor breathing discomfort to sensitive people.

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

How high is the level of NO2? (nitrogen dioxide (NO2))
48 (Moderate)

How is the O3 level today in Huasco Bajo? (ozone (O3))
115 (Moderate)

What is the level of PM10 today in Huasco Bajo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Huasco Bajo is: 22 (Moderate)

What is the current level of PM2.5 in Huasco Bajo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 3 (Good) For comparison, the highest level of PM2.5 in Huasco Bajo in the last 7 days was: 4 (Friday, May 27, 2022) and the lowest: 4 (Friday, May 27, 2022).

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

Current data Friday, May 27, 2022, 3:00 PM

SO2 9 (Good)

NO2 48 (Moderate)

O3 115 (Moderate)

PM10 22 (Moderate)

PM2,5 3 (Good)

CO 360 (Good)

Data on air pollution from recent days in Huasco Bajo

index	2024-04-09	2024-04-10	2024-04-11	2024-04-12	2024-04-13	2024-04-14	2024-04-15	2024-04-16	2022-05-27
so2	17 Good	17 Good	17 Good	18 Good	18 Good	18 Good	18 Good	18 Good	2 Good
no2	- Good	- Good	- Good	- Good	- Good	- Good	- Good	- Good	10 Good
o3	- Good	- Good	- Good	- Good	- Good	- Good	- Good	- Good	98 Moderate
pm10	- Good	- Good	- Good	- Good	- Good	- Good	- Good	- Good	14 Good
pm25	- Good	- Good	- Good	- Good	- Good	- Good	- Good	- Good	4 Good
co	- Good	- Good	- Good	- Good	- Good	- Good	- Good	- Good	249 Good

data source »

Air pollution in Huasco Bajo from September 2018 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-11	2018-10	2018-09
so2	8.2 (Good)	7 (Good)	7.6 (Good)	7 (Good)	6.6 (Good)	7.8 (Good)	10 (Good)	10 (Good)	13 (Good)	12 (Good)	8 (Good)	7.3 (Good)	8.3 (Good)	4.9 (Good)	5.1 (Good)	7.5 (Good)	7.8 (Good)	9.4 (Good)	8.3 (Good)	9.5 (Good)

data source »

SM2

Tuesday, April 16, 2024, 9:00 AM

SO2 18 (Good)

sulfur dioxide (SO2)

SM3

Friday, May 27, 2022, 3:00 PM

NO2 48 (Moderate)

nitrogen dioxide (NO2)

O3 115 (Moderate)

ozone (O3)

PM10 22 (Moderate)

particulate matter (PM10) suspended dust

PM2,5 2.5 (Good)

particulate matter (PM2.5) dust

CO 360 (Good)

carbon monoxide (CO)

SO2 5 (Good)

sulfur dioxide (SO2)

SM4

Friday, May 27, 2022, 3:00 PM

NO2 48 (Moderate)

nitrogen dioxide (NO2)

O3 115 (Moderate)

ozone (O3)

PM10 22 (Moderate)

particulate matter (PM10) suspended dust

PM2,5 2.5 (Good)

particulate matter (PM2.5) dust

CO 360 (Good)

carbon monoxide (CO)

SO2 5 (Good)

sulfur dioxide (SO2)

SM2

index	2024-04-16	2024-04-15	2024-04-14	2024-04-13	2024-04-12	2024-04-11	2024-04-10	2024-04-09
so2	18	18	18	18	18	17	17	17

SM3

index	2022-05-27
no2	10
o3	98
pm10	14
pm25	4.1
co	249
so2	2.1

SM4

index	2022-05-27
no2	10
o3	98
pm10	14
pm25	4.1
co	249
so2	2.1

SM2

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-11	2018-10	2018-09
so2	10	7.4	7.3	7.7	7.8	9.4	9.6	9.1	21	5.4	6.1	5	5.9	2.8	4.7	5.6	11	6.8	8.3	11

SM3

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-11	2018-10	2018-09
so2	7.7	7.1	11	8.6	7.5	8.2	12	8.3	8.7	19	7.6	8.6	6.7	5.3	5	8.5	4.8	7.7	8.8	9.5

SM4

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-11	2018-10	2018-09
so2	6.6	6.7	4.5	4.5	4.4	5.7	10	13	7.9	11	10	8.3	13	6.5	5.6	8.3	7.9	14	7.7	8.2

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