Fire near Mongolie-Intérieure (CN)

40.46°N, 110.81°E · first detected on 30 September at 07:53

What the satellites measured

This fire was tracked from 30 September at 07:53 to 22 October at 09:58, that is 22 days, through 635 satellite detections. The detected extent reaches 13,048 ha.

Detected extent: 13,048 ha
Cumulative power: 6,047 MW
Peak power, one pixel: 281 MW
VIIRS and MODIS detections: 635
Estimated emissions: 6.0 kt of carbon; Carbon burnt in the 0.1 degree cells (about 10 km) around the fire, from 5 October 2026 to 21 October 2026. An order-of-magnitude estimate from GFAS (ECMWF, Copernicus CAMS): it also counts neighbouring fires in the same cell. Contains modified Copernicus Atmosphere Monitoring Service information (2026). Published data stop on 21 October 2026.

These four figures cover the polar orbits alone, the ones that measure an area. The pass table below also counts geostationary detections, more frequent but too coarse for geometry, and its power column sums a whole pass where the peak above is that of a single pixel.

“Detected extent” is not “burned area”: it is the union of the ground footprints of the satellite pixels, and a pixel counts in full (375 m for VIIRS, 1 km for MODIS) even when only a forest edge is burning. Compared with press figures it is in practice one and a half to three times the area reported. Detections taken at the edge of the scan swath, too coarse to measure anything at all, are excluded. These figures come from thermal detection and are not an official assessment: only the emergency services and the competent authorities are authoritative.

Replay how the fire spread

The map is framed on this fire's footprint and loads only its detections. The timeline below covers the period in which satellites saw it, from the first to the last detection, with twelve hours before and twenty-four after; the ticks on the bar mark the emergency services' announcements that fall within it. The cursor opens on the most powerful pass, and playback replays the whole fire in about thirty seconds. “1 h” shows what is burning within an hour of the chosen moment : the map then follows the power curve below and empties when it falls. “24 h” stacks twenty-four hours : a fire stays visible between two satellite passes, which come two to four times a day. Both are true, but they say different things.

How the radiative power evolved

One point per satellite pass: the sum of the fire radiative power measured over the fire. This is the curve that says whether the fire eased off or picked up again, which no cumulative figure shows. The window covers 25 days; beyond that, clustering would merge two successive fires in the same place.

Fire dynamics

Loading history…

Satellite passes in detail

Pass	Power summed over the pass	Detections	Sensor
22 October at 09:58	18 MW	3	Aqua
22 October at 09:31	21 MW	1	Him9
22 October at 07:21	2 MW	1	N
22 October at 06:44	8 MW	2	N21
21 October at 08:44	11 MW	1	N21
21 October at 07:57	55 MW	6	N20
21 October at 07:40	21 MW	6	N
21 October at 07:01	24 MW	3	N21
20 October at 08:18	18 MW	2	N20
20 October at 07:23	10 MW	1	N21
19 October at 08:35	4 MW	1	N20
16 October at 08:35	21 MW	2	N21
16 October at 07:53	10 MW	1	N20
15 October at 08:12	140 MW	12	N20
15 October at 07:53	104 MW	15	N
15 October at 07:14	173 MW	18	N21
15 October at 06:32	9 MW	2	N20
15 October at 03:54	11 MW	2	Terra
14 October at 20:47	2 MW	1	N20
14 October at 20:28	1 MW	1	N
14 October at 09:48	787 MW	23	Aqua
14 October at 08:29	217 MW	28	N20
14 October at 08:10	319 MW	32	N
14 October at 07:33	113 MW	16	N21
14 October at 06:51	45 MW	12	N20
13 October at 09:12	306 MW	5	Aqua
13 October at 08:50	55 MW	7	N20
13 October at 04:13	12 MW	1	Terra
12 October at 10:11	145 MW	10	Aqua
12 October at 08:48	145 MW	18	N
12 October at 08:12	180 MW	18	N21
12 October at 07:27	129 MW	29	N20
12 October at 07:08	57 MW	10	N
11 October at 09:33	24 MW	3	Aqua
11 October at 08:29	28 MW	3	N21
11 October at 07:46	268 MW	40	N20
11 October at 07:25	208 MW	31	N
11 October at 06:49	152 MW	16	N21
10 October at 08:03	138 MW	20	N20
10 October at 07:46	44 MW	9	N
10 October at 07:08	94 MW	10	N21
10 October at 03:54	5 MW	1	Terra
8 October at 09:18	128 MW	5	Aqua
8 October at 08:44	17 MW	2	N20
8 October at 08:24	56 MW	8	N
8 October at 07:46	139 MW	15	N21
8 October at 07:01	149 MW	19	N20
8 October at 06:44	11 MW	3	N
7 October at 20:24	1 MW	1	N21
7 October at 08:42	128 MW	17	N
7 October at 08:05	368 MW	32	N21
7 October at 07:22	196 MW	27	N20
7 October at 07:01	78 MW	9	N
7 October at 06:25	110 MW	8	N21
6 October at 09:39	93 MW	11	Aqua
6 October at 08:22	108 MW	11	N21
6 October at 07:40	85 MW	9	N20
6 October at 07:21	67 MW	9	N
6 October at 06:44	95 MW	12	N21
5 October at 07:57	154 MW	11	N20
5 October at 07:40	89 MW	10	N
5 October at 07:01	52 MW	6	N21
4 October at 10:03	11 MW	2	Aqua
4 October at 08:18	34 MW	3	N20
4 October at 07:57	23 MW	4	N
4 October at 07:23	23 MW	4	N21
4 October at 06:38	7 MW	1	N20
2 October at 08:35	16 MW	3	N
2 October at 07:57	10 MW	2	N21
2 October at 06:55	2 MW	1	N
1 October at 09:46	25 MW	3	Aqua
1 October at 08:18	5 MW	1	N21
1 October at 07:33	5 MW	1	N20
1 October at 07:14	3 MW	1	N
1 October at 06:38	2 MW	1	N21
30 September at 07:53	2 MW	1	N20

8 other fires near Mongolie-Intérieure (CN)

Separate fires, apart in time or in space, not pieces of this one. A single municipality can have several over one summer, and a forest massif often covers more than a hundred square kilometres.

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