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Siwan Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Siwan

Last Updated: 2026-07-20 10:01 (Local Time)

Live AQI

67AQI (US)

Air Quality is

Moderate

PM2.5 : 20 µg/m³

pm10 : 25 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

31 °C

Last Updated: 2026-07-20 10:01 (Local Time)

Map

Siwan

Major Air Pollutants
Siwan

Particulate Matter(PM₂.₅)

20µg/m³

Particulate Matter(PM₁₀)

25µg/m³

Carbon Monoxide(CO)

286ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

5ppb

Ozone(O₃)

28ppb

AQI Graph

Historical Air Quality Data
Siwan

24 Hours

AQI (US)

Siwan

AQI (US)

19-07-2026Time20-07-2026

Time	Siwan
10:01am	106
10:31am	153
11:01am	124
11:31am	116
12:01pm	109
12:31pm	104
1:01pm	109
1:31pm	101
2:01pm	88
2:31pm	95
3:01pm	119
3:31pm	141
4:01pm	124
4:31pm	134
5:01pm	141
5:31pm	146
6:01pm	139
6:31pm	149
7:01pm	151
7:31pm	153
8:01pm	153
8:31pm	126
9:01pm	151
9:31pm	119
10:01pm	129
10:31pm	119
11:01pm	141
11:31pm	149
12:01am	152
12:31am	144
1:01am	153
1:31am	152
2:01am	150
2:31am	146
3:01am	146
3:31am	146
4:01am	126
4:31am	134
5:01am	119
5:31am	134
6:01am	126
6:31am	139
7:01am	144
7:31am	136
8:01am	134
8:31am	119
9:01am	124
9:31am	71
10:01am	67

Min. AQI (US)10:01am

153

Max. AQI (US)10:31am

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes
Siwan, Bihar, India

AQI (US)

Siwan's Locations
Real-time Air Pollution Level

locations

Status

AQI (US)

PM₂.₅(µg/m³)

PM₁₀(µg/m³)

Temp.(°C)

Humi.(%)

Shanti Nagar

Moderate

India's Metro Cities
Air Quality Index

Ahmedabad

Bangalore

Chennai

110

Hyderabad

Kolkata

104

Mumbai

New Delhi

138

Pune

Air Quality Calendar 2026
Siwan

2026

AQI (US)

Health Advice For People Living In
Siwan

2.2Cigarettes per day

Weekly 15.4 Cigarettes

Monthly 66 Cigarettes

Breathing the air in this location is as harmful as smoking 2.2 cigarettes a day.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

Air PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Siwan

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (COPD)

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026
India

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2026

World's Most PollutedCity Rankings (2025)

World's Most PollutedCountry Rankings(2025)

RankCityAQI Status

Standard Value

Amritsar, Punjab

Unhealthy

7xabove Standard

Ludhiana, Punjab

Unhealthy

6xabove Standard

Jalandhar, Punjab

Unhealthy

5xabove Standard

Bathinda, Punjab

Unhealthy

5xabove Standard

Ghaziabad, Uttar Pradesh

Unhealthy

5xabove Standard

Hoshiarpur, Punjab

Unhealthy

5xabove Standard

Ranchi, Jharkhand

Unhealthy

5xabove Standard

Faridabad, Haryana

Unhealthy

5xabove Standard

Hapur, Uttar Pradesh

Unhealthy

4xabove Standard

10.

Karnal, Haryana

Unhealthy

4xabove Standard

Last Updated: 20 Jul 2026, 04:42 AM

AQI City Rankings

Air Quality Solutions For Siwan
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

Prana Air offers the solutions of air quality monitoring and clean air machine for Siwan

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Siwan's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Air Quality FAQs
at Siwan

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Siwan?

The current real-time AQI (US) level in Siwan is 67 (Moderate). This was last updated 2026-07-20 10:01 (Local Time).

2. When was the best AQI (US) level in Siwan in the last 24 hours?

The best AQI (US) level was 67 (Moderate) at 10:01 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Siwan in the last 24 hours?

The worst AQI (US) level was 153 (Unhealthy) at 10:31 AM, Jul 19, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Siwan during last 24 hours?

The AQI (US) levels in Siwan have been fluctuating throughout the last 24 hours. The levels have increased by highest 153 at 10:31 AM, Jul 19, 2026 (Local Time), lowest 67 at 10:01 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Siwan?

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