Air Quality
Excellent
No health implications.
23
PM2.5
34
PM10
109
O3
0.6
CO
9
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Sep
67
Good
Fri
5 Sep
65
Good
Sat
6 Sep
58
Good
Sun
7 Sep
59
Good
Mon
8 Sep
65
Good
Tue
9 Sep
63
Good
Wed
10 Sep
48
Excellent
Gangca Air quality rank
Air quality in the last 12 months (Gangca)
|
2025/08
|
42
|
35
|
35
|
27
|
20
|
20
|
24
|
21
|
25
|
29
|
35
|
35
|
30
|
27
|
26
|
26
|
36
|
25
|
76
|
80
|
19
|
22
|
29
|
31
|
38
|
39
|
22
|
14
|
23
|
28
|
26
|
|
2025/07
|
27
|
23
|
28
|
18
|
18
|
25
|
43
|
38
|
31
|
38
|
39
|
39
|
61
|
46
|
45
|
28
|
26
|
36
|
19
|
19
|
22
|
30
|
35
|
24
|
23
|
26
|
26
|
25
|
36
|
75
|
57
|
|
2025/06
|
29
|
32
|
36
|
30
|
35
|
42
|
32
|
26
|
20
|
21
|
25
|
27
|
42
|
33
|
22
|
26
|
39
|
35
|
22
|
34
|
22
|
17
|
24
|
18
|
33
|
28
|
20
|
48
|
30
|
33
|
|
|
2025/05
|
45
|
49
|
96
|
199
|
92
|
86
|
85
|
85
|
32
|
20
|
20
|
40
|
50
|
41
|
27
|
50
|
62
|
44
|
34
|
55
|
62
|
63
|
49
|
52
|
27
|
33
|
32
|
102
|
64
|
42
|
45
|
|
2025/04
|
129
|
111
|
92
|
68
|
86
|
85
|
104
|
73
|
60
|
45
|
79
|
50
|
19
|
33
|
62
|
71
|
87
|
88
|
62
|
85
|
78
|
61
|
48
|
35
|
43
|
32
|
103
|
43
|
62
|
44
|
|
|
2025/03
|
57
|
54
|
54
|
38
|
60
|
144
|
102
|
75
|
110
|
85
|
95
|
95
|
59
|
50
|
48
|
42
|
49
|
60
|
62
|
62
|
61
|
65
|
63
|
83
|
102
|
63
|
156
|
61
|
68
|
92
|
133
|
|
2025/02
|
34
|
52
|
33
|
27
|
39
|
39
|
47
|
43
|
39
|
31
|
59
|
54
|
43
|
40
|
53
|
39
|
36
|
56
|
59
|
58
|
51
|
58
|
58
|
60
|
52
|
33
|
40
|
50
|
|||
|
2025/01
|
47
|
39
|
43
|
49
|
25
|
38
|
52
|
52
|
51
|
63
|
56
|
33
|
36
|
36
|
33
|
22
|
36
|
36
|
31
|
27
|
48
|
47
|
50
|
53
|
104
|
56
|
43
|
40
|
36
|
30
|
29
|
|
2024/12
|
22
|
34
|
33
|
49
|
43
|
36
|
50
|
56
|
52
|
47
|
36
|
52
|
49
|
42
|
25
|
31
|
34
|
47
|
44
|
40
|
47
|
50
|
50
|
44
|
47
|
32
|
31
|
31
|
61
|
47
|
41
|
|
2024/11
|
43
|
31
|
36
|
43
|
32
|
30
|
33
|
48
|
55
|
72
|
59
|
51
|
37
|
61
|
86
|
48
|
48
|
42
|
40
|
40
|
46
|
37
|
45
|
55
|
44
|
29
|
21
|
23
|
26
|
22
|
|
|
2024/10
|
22
|
31
|
30
|
37
|
31
|
37
|
39
|
38
|
34
|
30
|
35
|
30
|
30
|
35
|
43
|
30
|
28
|
51
|
79
|
58
|
56
|
28
|
25
|
35
|
36
|
40
|
25
|
29
|
38
|
44
|
41
|
|
2024/09
|
27
|
26
|
40
|
20
|
15
|
18
|
26
|
35
|
35
|
24
|
21
|
36
|
21
|
20
|
33
|
23
|
21
|
29
|
37
|
20
|
26
|
29
|
22
|
43
|
43
|
28
|
37
|
35
|
28
|
25
|
|
|
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