SmogRank / Episodes / India
Maharashtra and Karnataka, India, July 2025
For 3 days, from 17 to 19 July 2025, 12 cities in India had PM2.5 at least twice their usual for the time of year. The worst reading was Surat, Gujarat, India: 95.5 µg/m³ on 18 July, about 6.2× its usual 15.5.
No cause named We have no fire or smoke records for these days, so we only say what the measurements show.
Cities reached 12 in 1 country
Days 3 17 to 19 July 2025
Worst day 18 July 8 cities counted
Furthest above usual 6.2× Surat
Day by day
Play 18 July 8 cities at twice their usual or more
Aurangabad Wadgaon Kolhati Jalgaon Latur Malegaon Akola Sholapur Nashik Pimpri-Chinchwad Pune Bidar Badlapur Kalyān Bhiwandi Kharghar Vijayapura Mahād Thāne Bhayandar Mumbai Vapi Pithampur Boisar Sangāreddi Indore Yadgir Patancheru Amīnpur Serilingampalle Dewas Quthbullapur Ankleshwar Bagalkot Hyderabad Chānda Nagpur Ratlām Undera Mandideep Bhopal Bānswāra Hubballi Pratāpgarh Ahmedabad Dūngarpur Gandhinagar Rajākheri Jabalpur Damoh Dhule Ahilyanagar Kolhāpur Kalaburagi Panvel Sāngli Amravati Nanded Gadag-Betageri Virār Saugor Surat 14 Jul 15 16 17 18 19 20 21 22 Every measured city in the area, coloured by its PM2.5 that day; a dark ring marks a city at twice its usual or more. Bars: cities counted each day, coloured by their median level. Choose a day or press play; without JavaScript, the days link to that day's world ranking.
How it spread
Surat Surat, 14 July: 274.0 µg/m³, 18× usual Surat, 15 July: 272.0 µg/m³, 18× usual Surat, 16 July: 235.0 µg/m³, 15× usual Surat, 17 July: 75.5 µg/m³, 4.9× usual Surat, 18 July: 95.5 µg/m³, 6.2× usual Surat, 19 July: 44.9 µg/m³, 2.9× usual Surat, 20 July: 10.4 µg/m³, 0.7× usual Surat, 21 July: 64.4 µg/m³, 4.2× usual Surat, 22 July: 24.1 µg/m³, 1.6× usual Virār Virār, 14 July: 10.3 µg/m³, 0.6× usual Virār, 15 July: 14.5 µg/m³, 0.9× usual Virār, 16 July: 52.7 µg/m³, 3.1× usual Virār, 17 July: 18.7 µg/m³, 1.1× usual Virār, 18 July: 17.7 µg/m³, 1.1× usual Virār, 19 July: 59.5 µg/m³, 3.5× usual Virār, 20 July: 13.3 µg/m³, 0.8× usual Virār, 21 July: 14.2 µg/m³, 0.8× usual Virār, 22 July: 20.6 µg/m³, 1.2× usual Sāngli Sāngli, 14 July: 21.0 µg/m³, 1.5× usual Sāngli, 15 July: 17.0 µg/m³, 1.2× usual Sāngli, 16 July: 33.5 µg/m³, 2.4× usual Sāngli, 17 July: 34.3 µg/m³, 2.5× usual Sāngli, 18 July: 34.9 µg/m³, 2.5× usual Sāngli, 19 July: 28.5 µg/m³, 2.1× usual Sāngli, 20 July: 22.8 µg/m³, 1.6× usual Sāngli, 21 July: no reading Sāngli, 22 July: no reading Saugor Saugor, 14 July: 13.8 µg/m³, 0.8× usual Saugor, 15 July: 23.2 µg/m³, 1.3× usual Saugor, 16 July: 33.3 µg/m³, 1.8× usual Saugor, 17 July: 48.3 µg/m³, 2.7× usual Saugor, 18 July: 65.9 µg/m³, 3.7× usual Saugor, 19 July: 53.4 µg/m³, 3.0× usual Saugor, 20 July: 209.0 µg/m³, 12× usual Saugor, 21 July: no reading Saugor, 22 July: no reading Amravati Amravati, 14 July: 15.0 µg/m³, 1.0× usual Amravati, 15 July: 16.2 µg/m³, 1.1× usual Amravati, 16 July: 23.9 µg/m³, 1.6× usual Amravati, 17 July: 33.6 µg/m³, 2.3× usual Amravati, 18 July: 38.1 µg/m³, 2.6× usual Amravati, 19 July: 30.0 µg/m³, 2.0× usual Amravati, 20 July: 23.6 µg/m³, 1.6× usual Amravati, 21 July: 26.1 µg/m³, 1.8× usual Amravati, 22 July: 21.7 µg/m³, 1.5× usual Kalaburagi Kalaburagi, 14 July: 23.2 µg/m³, 1.8× usual Kalaburagi, 15 July: 22.7 µg/m³, 1.7× usual Kalaburagi, 16 July: 21.1 µg/m³, 1.6× usual Kalaburagi, 17 July: 31.1 µg/m³, 2.4× usual Kalaburagi, 18 July: 22.7 µg/m³, 1.7× usual Kalaburagi, 19 July: 9.5 µg/m³, 0.7× usual Kalaburagi, 20 July: 11.5 µg/m³, 0.9× usual Kalaburagi, 21 July: 20.3 µg/m³, 1.5× usual Kalaburagi, 22 July: 16.3 µg/m³, 1.2× usual Panvel Panvel, 14 July: 14.0 µg/m³, 1.0× usual Panvel, 15 July: 23.4 µg/m³, 1.6× usual Panvel, 16 July: 22.2 µg/m³, 1.6× usual Panvel, 17 July: 30.8 µg/m³, 2.2× usual Panvel, 18 July: 34.0 µg/m³, 2.4× usual Panvel, 19 July: 33.4 µg/m³, 2.4× usual Panvel, 20 July: 22.5 µg/m³, 1.6× usual Panvel, 21 July: 14.2 µg/m³, 1.0× usual Panvel, 22 July: 16.7 µg/m³, 1.2× usual Kolhāpur Kolhāpur, 14 July: 9.7 µg/m³, 0.8× usual Kolhāpur, 15 July: 13.2 µg/m³, 1.0× usual Kolhāpur, 16 July: 16.1 µg/m³, 1.2× usual Kolhāpur, 17 July: 30.3 µg/m³, 2.3× usual Kolhāpur, 18 July: 6.3 µg/m³, 0.5× usual Kolhāpur, 19 July: 6.7 µg/m³, 0.5× usual Kolhāpur, 20 July: 15.4 µg/m³, 1.2× usual Kolhāpur, 21 July: 7.8 µg/m³, 0.6× usual Kolhāpur, 22 July: 4.2 µg/m³, 0.3× usual Ahilyanagar Ahilyanagar, 14 July: 15.8 µg/m³, 1.2× usual Ahilyanagar, 15 July: no reading Ahilyanagar, 16 July: no reading Ahilyanagar, 17 July: 26.3 µg/m³, 2.0× usual Ahilyanagar, 18 July: no reading Ahilyanagar, 19 July: no reading Ahilyanagar, 20 July: no reading Ahilyanagar, 21 July: no reading Ahilyanagar, 22 July: no reading Nanded Nanded, 14 July: 19.1 µg/m³, 1.2× usual Nanded, 15 July: 13.6 µg/m³, 0.9× usual Nanded, 16 July: 19.7 µg/m³, 1.2× usual Nanded, 17 July: 24.5 µg/m³, 1.6× usual Nanded, 18 July: 44.5 µg/m³, 2.8× usual Nanded, 19 July: 30.2 µg/m³, 1.9× usual Nanded, 20 July: 27.2 µg/m³, 1.7× usual Nanded, 21 July: 27.9 µg/m³, 1.8× usual Nanded, 22 July: 16.7 µg/m³, 1.1× usual Gadag-Betageri Gadag-Betageri, 14 July: 10.6 µg/m³, 0.8× usual Gadag-Betageri, 15 July: 6.5 µg/m³, 0.5× usual Gadag-Betageri, 16 July: 14.5 µg/m³, 1.1× usual Gadag-Betageri, 17 July: 6.3 µg/m³, 0.5× usual Gadag-Betageri, 18 July: 39.9 µg/m³, 2.9× usual Gadag-Betageri, 19 July: 42.1 µg/m³, 3.1× usual Gadag-Betageri, 20 July: 42.6 µg/m³, 3.1× usual Gadag-Betageri, 21 July: 42.2 µg/m³, 3.1× usual Gadag-Betageri, 22 July: 45.1 µg/m³, 3.3× usual Dhule Dhule, 14 July: 12.7 µg/m³, 0.7× usual Dhule, 15 July: 17.7 µg/m³, 0.9× usual Dhule, 16 July: 29.9 µg/m³, 1.5× usual Dhule, 17 July: 29.5 µg/m³, 1.5× usual Dhule, 18 July: 39.2 µg/m³, 2.0× usual Dhule, 19 July: 26.4 µg/m³, 1.4× usual Dhule, 20 July: 24.4 µg/m³, 1.3× usual Dhule, 21 July: 21.1 µg/m³, 1.1× usual Dhule, 22 July: 25.3 µg/m³, 1.3× usual 14 Jul 15 16 17 18 19 20 21 22 Every counted city, in the order the episode reached them, 3 days before to 3 after. Each square is a day, coloured by that day's PM2.5; outlined: at twice the city's usual or more. Good 0–50
Moderate 51–100
Sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301+
Every city it reached
City Days Highest Usual Above usual
Surat Gujarat, India 3 14 July 15.5 18× Saugor Madhya Pradesh, India 1 20 July 18.0 12× Virār Maharashtra, India 1 19 July 16.8 3.5× Gadag-Betageri Karnataka, India 2 22 July 13.8 3.3× Nanded Maharashtra, India 1 18 July 15.8 2.8× Amravati Maharashtra, India 1 18 July 14.8 2.6× Sāngli Maharashtra, India 3 18 July 13.9 2.5× Panvel Maharashtra, India 3 18 July 14.2 2.4× Kalaburagi Karnataka, India 1 17 July 13.1 2.4× Kolhāpur Maharashtra, India 1 17 July 12.9 2.3× Ahilyanagar Maharashtra, India 1 17 July 13.0 2.0× Dhule Maharashtra, India 1 18 July 19.4 2.0×
Daily means in µg/m³. Usual: the city's median for this time of year (its days within 21 days of the date, every year, leaving out the week around it). Above usual: its highest day against that.
Against other episodes in India
Number 31 of 54 episodes in India since our records began, by cities reached.
North-western India, October 2025 170 North-western India, September 2026 57 North-western India, July 2026 51 North-western India, June 2025 47 North-eastern India, March and April 2025 45 North-western India, November 2025 27 North-western India, April 2026 26 North-western India, April and May 2025 26 North-western India and Pakistan, March 2026 25 North-western India, May 2025 23 North-eastern India, July 2026 22 North-eastern India, April 2025 20 Maharashtra and Karnataka, India, July 2025 12 Bars: cities reached; colour: the level of the episode's highest daily reading. All 54 .
Use this page SmogRank, Maharashtra and Karnataka, India, July 2025: 12 cities with PM2.5 at twice their usual or more, 17 to 19 July 2025, smogrank.com/episodes/2025-07-maharashtra-and-karnataka-india (accessed 2 October 2026).
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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms .
An episode is a run of days when many cities close to each other (four or more within 350 km on a day, 8 or more in all) each had a daily PM2.5 mean of at least 25 µg/m³ and at least 2 times their usual for that time of year. Found in our own measurements, not picked by hand. How we find episodes . Values are each city's daily mean of its own monitors; causes are the usual kinds for a pattern like this, not a confirmed source.
