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Mashin Abzar Sulfur Dioxide (SO₂) Level

Mashhad, Khorasan E Razavi, Iran

Sulfur Dioxide (SO₂)

89ppb

Poor

Last Updated: 2026-07-31 18:21 (Local Time)

Map

Mashin Abzar

Good

040

Moderate

Poor

380

Unhealthy

800

Severe

1600

Hazardous

2600+

What is the Current SO₂ Level?
Mashin Abzar

The current SO₂ level at Mashin Abzar is 89 ppb so everyone should stay cautious in the area.

5.8xAbove

The current SO₂ level in Mashin Abzar is 5.8x Above the recommended WHO guideline of 15.27 ppb.

AQI Graph

Historic Air Quality Graph of Sulfur Dioxide (SO₂)
Mashin Abzar

24 Hours

SO₂

Mashin Abzar

SO₂ (ppb)

30-07-2026Time31-07-2026

Time	Mashin Abzar
6:31pm	46
7:01pm	53
7:31pm	64
8:01pm	66
8:31pm	1
9:01pm	1
9:31pm	73
10:01pm	73
10:31pm	69
11:01pm	46
11:31pm	44
12:01am	35
12:31am	34
1:01am	28
1:31am	30
2:01am	26
2:31am	26
3:01am	25
3:31am	11
4:01am	10
4:31am	11
5:01am	7
5:31am	7
6:01am	5
6:31am	5
7:01am	3
7:31am	5
8:01am	4
8:31am	1
9:01am	2
9:31am	1
10:01am	1
10:31am	2
11:01am	4
11:31am	4
12:01pm	12
12:31pm	25
1:01pm	28
1:31pm	39
2:01pm	34
2:31pm	48
3:01pm	46
3:31pm	49
4:01pm	56
4:31pm	50
5:01pm	85
5:31pm	90
6:01pm	82

Min. SO₂8:31pm

Max. SO₂5:31pm

Want air quality data?

Sulfur Dioxide (SO₂): Sulfur dioxide is the major component in acid rain as it easily dissolves in the water and forms sulfuric acid. And SO2 in acid rain can harm forests, crops, and aquatic ecosystems, change soil acidity, and deteriorate building materials and historical monuments.

Uncovering the Sources of Sulfur Dioxide (SO₂): Where Does It Come From?

Chemical manufacturing

The production processes that emit sulfur dioxide.

Industries

Emissions from manufacturing and industrial processes.

Power plants generation

Released during the burning of fossil fuels for electricity.

Petroleum Refineries

Emits from refining crude oil into various products.

Heavy-duty vehicles

Exhaust from trucks and buses using diesel fuel.

Short-Term SO₂ Exposure Impacts

Nose irritation

Discomfort in the nasal passages.

Throat and lung irritation

Inflammation and pain in the throat.

Coughing and phlegmz

Persistent cough and mucus production.

Asthma attacks

Triggering of asthma symptoms or existing asthma.

Wheezing

High-pitched whistling sound when breathing.

Why you should care about Sulfur Dioxide (SO₂)?

Know More About SO₂ Sensor

Air Quality FAQs
at Mashin Abzar

Frequently Asked Questions About Air Quality

1. What is the current SO₂ level in Mashin Abzar?

The current real-time SO₂ level in Mashin Abzar is 89ppb (Poor). This was last updated 2026-07-31 18:21 (Local Time).

2. When was the best SO₂ level in Mashin Abzar in the last 24 hours?

The best SO₂ level was 1 ppb (Good) at 8:31 PM, Jul 30, 2026 (Local Time) during the last 24 hours.

3. When was the worst SO₂ level in Mashin Abzar in the last 24 hours?

The worst SO₂ level was 90 ppb (Poor) at 5:31 PM (Local Time) during the last 24 hours.

4. What is the current trend of SO₂ levels in Mashin Abzar during last 24 hours?

The SO₂ levels in Mashin Abzar have been fluctuating throughout the last 24 hours. The levels have increased by highest 90 ppb at 5:31 PM (Local Time), lowest 1 ppb at 8:31 PM, Jul 30, 2026 (Local Time).

5. What actions are recommended as per the current SO₂ level in Mashin Abzar?

Current SO₂ levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.