Technology Hotbed · Climate & Environment
Air Quality Monitoring
Data as of 12 Oct 2026Methodology
Momentum: ▲ Rising
Across fully-published filing years - the current year is still publishing and is left out of the signal.
210
Patents
6
Startups matched
37
Foreign filers
Startup counts are name-matched candidates, not ownership records - see methodology. Methodology
Startups working on air quality monitoring
Deep-tech startups with a patent tagged this technology
Atrivatech Private Limited
Chennai · Semiconductors
CLAYWORKS SPACES TECHNOLOGIES PRIVATE LIMITED
Bengaluru Urban · Fintech & Consumer
DATAIR TECHNOLOGY PRIVATE LIMITED
Bengaluru Urban · Climate & Environment
DMIX REALTY PRIVATE LIMITED
Gorakhpur · Climate & Environment
MAHALAKSHMI
Chennai · Climate & Environment
Shivangi Private Limited
Kanpur · Defence & Security
A sample of matched deep-tech startups - Startup counts are name-matched candidates, not ownership records - see methodology. Methodology
Deep-tech basis: site-backed (own website fetched and read), IP-backed (patent or design filed in its own name), web-backed (described elsewhere on the open web), registry only (registry description alone). How this is decided
Where it clusters
Matched startups by state
| State | Startups mapped |
|---|---|
| Haryana | 5 |
| Tamil Nadu | 4 |
| Uttar Pradesh | 4 |
| Bihar | 3 |
| Delhi | 3 |
| Karnataka | 2 |
| Punjab | 2 |
| Rajasthan | 1 |
| Gujarat | 1 |
| Chandigarh | 1 |
See air quality monitoring on the India map → Where its patents are filed, state by state and city by city, with companies, institutes and individual inventors apart.
Filing momentum
Filings by year - recent years still publishing
| Year | Filings | Foreign |
|---|---|---|
| 2022 | 13 | 0 |
| 2023 | 32 | 0 |
| 2024 | 24 | 1 |
| 2025 | 53 | 7 |
| 2026partial | 22 | 0 |
Patents publish ~18 months after they're filed, so the current year is always incomplete. The Rising / Steady / Cooling signal ignores it and compares only fully-published years - read a dip in the latest year as data still coming in, not a decline.
Who's filing
Indian companies lead - institutes & foreign kept separate
- DR SAURABH SANJAY JOSHIIN · 3
- ASHWINI SIN · 2
- DR BANSILAL BAIRWAIN · 2
- DR BHARGAVI K MIN · 2
- DR KUSUMA SUNDARA KUMARIN · 2
- DR MANASI VYANKATESH GHAMANDEIN · 2
Educational institutes (6) - ranked by grant rate (share of filings granted, sample-adjusted), not filing volume
Top inventors in this technology
The most prolific inventors filing in this technology, each linking to their full patent history.