diff --git a/backend/tests/services/test_weather_cache.py b/backend/tests/services/test_weather_cache.py
index 6bb6e0bc..241e7719 100644
--- a/backend/tests/services/test_weather_cache.py
+++ b/backend/tests/services/test_weather_cache.py
@@ -99,13 +99,13 @@ def _make_httpx_response(payload: dict[str, Any]) -> MagicMock:
 
 
 def _make_air_response() -> dict[str, Any]:
-    """Минимальный валидный JSON от Open-Meteo Air Quality API (24 часа forecast)."""
+    """Минимальный валидный JSON от Open-Meteo Air Quality API (current bucket, #1377)."""
     return {
-        "hourly": {
-            "time": ["2026-06-12T00:00", "2026-06-12T01:00"],
-            "pm2_5": [12.5, 13.0],
-            "pm10": [25.0, 26.0],
-            "nitrogen_dioxide": [15.0, 16.0],
+        "current": {
+            "time": "2026-06-12T14:00",
+            "pm2_5": 12.5,
+            "pm10": 25.0,
+            "nitrogen_dioxide": 15.0,
         }
     }
 
diff --git a/backend/tests/workers/test_nspd_geo.py b/backend/tests/workers/test_nspd_geo.py
index 2cbf6802..8ee58bfb 100644
--- a/backend/tests/workers/test_nspd_geo.py
+++ b/backend/tests/workers/test_nspd_geo.py
@@ -187,13 +187,17 @@ def test_save_quarter_sql_wraps_geom_in_st_multi() -> None:
     assert "ST_Multi(" in sql, "SQL _save_quarter должен содержать ST_Multi для MultiPolygon schema"
 
 
-def test_save_quarter_sql_keeps_3857_to_4326_transform() -> None:
-    """quarter GeoJSON в Mercator (3857) → ST_Transform к 4326 сохраняется (mirror bulk path)."""
+def test_save_quarter_sql_no_transform_wgs84() -> None:
+    """quarter GeoJSON уже в WGS84 (rosreestr2coord) → ST_SetSRID(...,4326) БЕЗ ST_Transform
+    (#1336: ST_Transform из 3857 трактовал градусы как метры → коллапс к Null Island).
+    ST_Multi сохраняется — колонка cad_quarters_geom.geom = MultiPolygon."""
     db, captured = _capturing_db()
     _save_quarter(db, _quarter_payload(), "66:41:0610029")
 
     sql, _params = captured[0]
-    assert "ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON(:g), 3857), 4326)" in sql
+    executable = _strip_sql_comments(sql)
+    assert "ST_Multi(ST_SetSRID(ST_GeomFromGeoJSON(:g), 4326))" in executable
+    assert "ST_Transform" not in executable
 
 
 def test_save_parcel_empty_features_returns_zero() -> None:
@@ -261,15 +265,18 @@ def test_save_building_derives_quarter_when_missing() -> None:
     assert params["qcad"] == "66:41:0610029"
 
 
-def test_save_building_geom_transform_no_st_multi() -> None:
-    """cad_buildings.geom = GEOMETRY(Geometry, 4326) полиморфный → ST_Multi НЕ нужен,
-    transform 3857→4326 сохраняется (mirror upsert_building)."""
+def test_save_building_geom_no_transform_no_st_multi() -> None:
+    """cad_buildings.geom = GEOMETRY(Geometry, 4326) полиморфный → ST_Multi НЕ нужен;
+    геометрия уже WGS84 (rosreestr2coord) → ST_SetSRID(...,4326) БЕЗ ST_Transform
+    (#1336: ST_Transform из 3857 → Null Island)."""
     db, captured = _capturing_db()
     _save_building(db, _building_payload(), "66:41:0610029:83")
 
     sql, _params = captured[0]
-    assert "ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON(:g), 3857), 4326)" in sql
-    assert "ST_Multi(" not in sql  # полиморфная колонка — coerce не нужен
+    executable = _strip_sql_comments(sql)
+    assert "ST_SetSRID(ST_GeomFromGeoJSON(:g), 4326)" in executable
+    assert "ST_Transform" not in executable
+    assert "ST_Multi(" not in executable  # полиморфная колонка — coerce не нужен
 
 
 def test_save_building_skips_feature_with_other_cad_num() -> None:
@@ -562,9 +569,9 @@ def test_soft_time_limit_exceeded_flushes_heartbeat(monkeypatch: Any) -> None:
         for sql, params in captured
         if "heartbeat_at = NOW()" in sql and "targets_done" in sql
     ]
-    assert heartbeat_updates, (
-        "SoftTimeLimitExceeded handler должен flush'нуть heartbeat с counters перед raise"
-    )
+    assert (
+        heartbeat_updates
+    ), "SoftTimeLimitExceeded handler должен flush'нуть heartbeat с counters перед raise"
 
 
 def test_soft_time_limit_exceeded_does_not_overwrite_paused_with_failed(