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Bettiah Sulfur Dioxide (SO₂) Level

Bihar, India

Sulfur Dioxide (SO₂)

43ppb

Moderate

Last Updated: 2026-07-19 19:51:01 (Local Time)

Map

Bettiah

Good

040

Moderate

Poor

380

Unhealthy

800

Severe

1600

Hazardous

2600+

What is the Current SO₂ Level?
Bettiah

The current SO₂ level in Bettiah based on the average air quality level across the city is 43 ppb making it acceptable, but sensitive individuals should be cautious.

2.8xAbove

The current SO₂ level in Bettiah is 2.8x Above the recommended WHO guideline of 15.27 ppb.

AQI Graph

Historic Air Quality Graph of Sulfur Dioxide (SO₂)
Bettiah

24 Hours

SO₂

Bettiah

SO₂ (ppb)

18-07-2026Time19-07-2026

Time	Bettiah
8:01pm	39
8:31pm	44
9:01pm	47
9:31pm	41
10:01pm	44
10:31pm	40
11:01pm	44
11:31pm	44
12:01am	43
12:31am	46
1:01am	47
1:31am	47
2:01am	42
2:31am	42
3:01am	43
3:31am	39
4:01am	45
4:31am	41
5:01am	42
5:31am	40
6:01am	43
6:31am	43
7:01am	42
7:31am	42
8:01am	41
8:31am	47
9:01am	41
9:31am	2
10:01am	2
10:31am	2
11:01am	2
11:31am	2
12:01pm	2
12:31pm	2
1:01pm	2
1:31pm	2
2:01pm	2
2:31pm	2
3:01pm	45
3:31pm	41
4:01pm	43
4:31pm	40
5:01pm	43
5:31pm	43
6:01pm	43
6:31pm	44
7:01pm	40
7:31pm	42

Min. SO₂9:31am

Max. SO₂9:01pm

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 Bettiah

Frequently Asked Questions About Air Quality

1. What is the current SO₂ level in Bettiah?

The current real-time SO₂ level in Bettiah is 43ppb (Moderate). This was last updated 2026-07-19 19:51:01 (Local Time).

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

The best SO₂ level was 2 ppb (Good) at 9:31 AM (Local Time) during the last 24 hours.

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

The worst SO₂ level was 47 ppb (Moderate) at 9:01 PM, Jul 18, 2026 (Local Time) during the last 24 hours.

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

The SO₂ levels in Bettiah have been fluctuating throughout the last 24 hours. The levels have increased by highest 47 ppb at 9:01 PM, Jul 18, 2026 (Local Time), lowest 2 ppb at 9:31 AM (Local Time).

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

Current SO₂ levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.