sensors
VAAYU Lite — Atmospheric Observatory NCR
MONITORING SENSOR NETWORK & HISTORICAL AUDIT REGULATORY TIER 1

Station Explorer

Continuous Ambient Air Quality Monitoring Station (CAAQMS) observational records, 24-hour 4 PM–4 PM IST daily AQI series, and sensor completeness audits.

INGESTION ENGINE: OPENAQ v3
AUDIT REGIME: CPCB-2014
VALIDATION WINDOW: {{min_valid_hours}}h / 24h
Select Verified Station {{station_count}} Calibrated Nodes
Active Telemetry

Anand Vihar, New Delhi - DPCC

CAAQMS Station ID: {{anand_vihar_id}}
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Audit Completeness: {{valid_percentage}}%
Operational Node

Indirapuram, Ghaziabad - UPPCB

CAAQMS Station ID: {{indirapuram_id}}
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Audit Completeness: {{valid_percentage}}%
Operational Node

Sector 11, Faridabad - HSPCB

CAAQMS Station ID: {{sector_11_id}}
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Audit Completeness: {{valid_percentage}}%
Sensor Node Diagnostic Dossier

Station Anand Vihar, New Delhi (DPCC Node)

STATUS: [{{station_status}}]
Geodetic Coordinates
{{lat}}° N, {{lon}}° E
WGS84 Reference Datum
Ground Elevation
{{elevation}} m MSL
Inlet Height: {{inlet_height}}m Above Grnd
Ingestion Health
{{station_packet_health}}% continuous
Zero Packet Loss Observed
Analyzer Array
BAM-1020 Beta Attenuation (PM2.5 / PM10)
Dual Isokinetic Separation
Last Verified Ingest
{{last_ingest_time}} IST
Latency: < {{latency_seconds}}s nominal
Calibration Cycle
BAM Span Zero Cal: PASS
Drift: ±{{cal_drift_pct}}% / week
CPCB Diurnal AQI Categorical Distribution (Valid Days)
Total Valid Days: {{valid_days_count}} / {{total_possible_days}} days ({{valid_percentage}}%)
Good ({{good_min}}–{{good_max}})
{{count_good}} days
Satisfactory ({{sat_min}}–{{sat_max}})
{{count_satisfactory}} days
Moderate ({{mod_min}}–{{mod_max}})
{{count_moderate}} days
Poor ({{poor_min}}–{{poor_max}})
{{count_poor}} days
Very Poor ({{very_poor_min}}–{{very_poor_max}})
{{count_very_poor}} days
warning Severe ({{severe_min}}–{{severe_max}})
{{count_severe}} days

Daily AQI Timeline (Winter Season Oct–Feb)

24-hour diurnal cycle (16:00 to 16:00 IST) • Completeness guard requirement: ≥{{min_valid_hours}} valid hours

Daily Calculated AQI ({{daily_aqi}})
Missing / Censored Days (<{{min_valid_hours}}h)
Severe Excursion Threshold ({{severe_threshold}})
Date: {{sample_date}} AQI: {{sample_aqi}} ({{sample_category}})
Valid Hours: {{sample_valid_hours}}/24h
Primary Sub-index: PM2.5 ({{sample_sub_index}})
{{severe_max}} ({{severe_band}}) {{severe_threshold}} ({{severe_band}}) {{poor_max}} ({{poor_band}}) {{mod_max}} ({{moderate_band}}) {{sat_max}} ({{satisfactory_band}}) {{min_aqi_scale}} Oct ({{start_date}}) Nov Dec Jan Feb ({{end_date}})
info Data Gap Flag
{{missing_days_count}} days missing, not filled/interpolated per CPCB regulatory integrity rule.

Monthly Sensor QA/QC Completeness Audit

STRICT PROTOCOL ENFORCEMENT

Tabulation of valid hourly observation vectors and diurnal completeness criteria across the winter season.

Target Sensor Availability: ≥{{min_valid_hours}}h / Day
Month Hours Possible Valid PM2.5 Hours Valid PM10 Hours PM2.5 Coverage % PM10 Coverage % Days Passing Completeness Rule (≥{{min_valid_hours}}h) Audit Status
October {{oct_hours_possible}} {{oct_pm25_hours}} {{oct_pm10_hours}} {{oct_pm25_pct}}% {{oct_pm10_pct}}% {{oct_passing_days}} days [{{oct_audit_status}}]
November {{nov_hours_possible}} {{nov_pm25_hours}} {{nov_pm10_hours}} {{nov_pm25_pct}}% {{nov_pm10_pct}}% {{nov_passing_days}} days [{{nov_audit_status}}]
December {{dec_hours_possible}} {{dec_pm25_hours}} {{dec_pm10_hours}} {{dec_pm25_pct}}% {{dec_pm10_pct}}% {{dec_passing_days}} days [{{dec_audit_status}}]
January {{jan_hours_possible}} {{jan_pm25_hours}} {{jan_pm10_hours}} {{jan_pm25_pct}}% {{jan_pm10_pct}}% {{jan_passing_days}} days [{{jan_audit_status}}]
February {{feb_hours_possible}} {{feb_pm25_hours}} {{feb_pm10_hours}} {{feb_pm25_pct}}% {{feb_pm10_pct}}% {{feb_passing_days}} days [{{feb_audit_status}}]
verified Season Total {{total_hours_possible}} {{total_pm25_hours}} {{total_pm10_hours}} {{total_pm25_pct}}% {{total_pm10_pct}}% {{total_passing_days}} days [{{season_audit_status}}]
* CPCB-2014 Validation rule requires a minimum of {{min_valid_hours}} validated hourly records per 24h window (16:00 to 16:00 IST) for legitimate daily AQI derivation.
policy
Data Provenance: Source: OpenAQ API v3 / CPCB telemetry | Completeness threshold: {{min_valid_hours}} of 24 hours | Protocol: CPCB 2014 AQI Technical Document
STATION CERT: ISO-{{iso_code}} • QC VER: {{cal_ver}}