Air Quality
Excellent
No health implications.
17
PM2.5
26
PM10
86
O3
0.5
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
58
Good
Sun
20 Apr
63
Good
Mon
21 Apr
57
Good
Tue
22 Apr
54
Good
Wed
23 Apr
60
Good
Thu
24 Apr
55
Good
Fri
25 Apr
28
Excellent
Air quality in the last 12 months (Gannan Prefecture)
|
2025/02
|
55
|
118
|
56
|
23
|
38
|
43
|
17
|
18
|
24
|
40
|
71
|
59
|
41
|
37
|
28
|
30
|
23
|
22
|
25
|
30
|
35
|
34
|
29
|
41
|
38
|
26
|
42
|
27
|
|||
|
2025/01
|
75
|
36
|
38
|
115
|
91
|
56
|
28
|
33
|
28
|
35
|
62
|
150
|
214
|
82
|
37
|
38
|
91
|
155
|
173
|
115
|
78
|
78
|
209
|
203
|
234
|
179
|
28
|
46
|
66
|
28
|
28
|
|
2024/12
|
35
|
18
|
26
|
22
|
21
|
23
|
25
|
29
|
58
|
40
|
24
|
36
|
48
|
32
|
24
|
26
|
30
|
36
|
38
|
51
|
34
|
28
|
29
|
43
|
36
|
27
|
29
|
33
|
49
|
95
|
73
|
|
2024/11
|
49
|
68
|
41
|
26
|
31
|
63
|
65
|
149
|
175
|
106
|
113
|
44
|
103
|
212
|
117
|
43
|
28
|
24
|
39
|
36
|
24
|
35
|
61
|
172
|
168
|
32
|
24
|
36
|
21
|
27
|
|
|
2024/10
|
24
|
25
|
36
|
33
|
36
|
48
|
62
|
32
|
48
|
23
|
25
|
24
|
45
|
49
|
22
|
38
|
31
|
37
|
24
|
46
|
31
|
38
|
39
|
48
|
46
|
73
|
42
|
40
|
52
|
43
|
46
|
|
2024/09
|
16
|
19
|
25
|
22
|
20
|
28
|
33
|
31
|
36
|
26
|
23
|
30
|
20
|
29
|
26
|
26
|
22
|
25
|
20
|
23
|
26
|
27
|
27
|
29
|
31
|
37
|
32
|
26
|
36
|
20
|
|
|
2024/08
|
19
|
21
|
18
|
14
|
20
|
22
|
27
|
26
|
33
|
28
|
12
|
17
|
21
|
25
|
30
|
31
|
28
|
20
|
15
|
21
|
15
|
23
|
31
|
25
|
32
|
16
|
16
|
19
|
20
|
20
|
15
|
|
2024/07
|
38
|
49
|
57
|
66
|
67
|
57
|
59
|
68
|
73
|
75
|
92
|
97
|
92
|
68
|
56
|
45
|
17
|
41
|
36
|
31
|
16
|
21
|
18
|
18
|
21
|
19
|
11
|
16
|
20
|
24
|
24
|
|
2024/06
|
27
|
26
|
37
|
20
|
35
|
45
|
25
|
15
|
16
|
26
|
20
|
21
|
21
|
11
|
20
|
32
|
19
|
23
|
22
|
15
|
14
|
13
|
16
|
18
|
27
|
40
|
41
|
47
|
26
|
39
|
|
|
2024/05
|
50
|
32
|
48
|
59
|
29
|
33
|
36
|
65
|
36
|
30
|
14
|
39
|
34
|
17
|
17
|
26
|
42
|
22
|
25
|
29
|
37
|
26
|
17
|
22
|
39
|
23
|
28
|
17
|
17
|
17
|
18
|
|
2024/04
|
36
|
96
|
53
|
40
|
61
|
31
|
44
|
31
|
57
|
64
|
78
|
86
|
80
|
131
|
202
|
33
|
47
|
33
|
23
|
57
|
145
|
68
|
25
|
27
|
24
|
20
|
17
|
16
|
27
|
30
|
|
|
2024/03
|
25
|
27
|
31
|
28
|
29
|
27
|
30
|
27
|
38
|
59
|
33
|
47
|
35
|
54
|
33
|
95
|
19
|
24
|
29
|
24
|
33
|
54
|
66
|
28
|
43
|
69
|
83
|
157
|
27
|
27
|
30
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution