Air Quality
Excellent
No health implications.
16
PM2.5
25
PM10
21
O3
0.8
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
53
Good
Thu
25 Sep
57
Good
Fri
26 Sep
62
Good
Sat
27 Sep
63
Good
Sun
28 Sep
71
Good
Mon
29 Sep
39
Excellent
Tue
30 Sep
39
Excellent
Tianchang Air quality rank
Air quality in the last 12 months (Tianchang)
|
2025/08
|
14
|
9
|
19
|
25
|
33
|
34
|
20
|
22
|
29
|
9
|
10
|
15
|
36
|
22
|
25
|
31
|
37
|
37
|
38
|
39
|
45
|
33
|
28
|
28
|
20
|
15
|
37
|
33
|
37
|
30
|
14
|
|
2025/07
|
34
|
35
|
36
|
41
|
43
|
46
|
40
|
16
|
17
|
46
|
37
|
27
|
30
|
27
|
41
|
39
|
27
|
28
|
26
|
22
|
22
|
20
|
23
|
26
|
26
|
20
|
19
|
14
|
22
|
15
|
11
|
|
2025/06
|
21
|
11
|
43
|
56
|
53
|
49
|
31
|
30
|
27
|
47
|
31
|
37
|
35
|
34
|
27
|
44
|
42
|
46
|
20
|
18
|
13
|
27
|
27
|
24
|
40
|
45
|
21
|
17
|
15
|
23
|
|
|
2025/05
|
56
|
61
|
46
|
44
|
38
|
69
|
74
|
47
|
17
|
32
|
40
|
48
|
50
|
64
|
80
|
25
|
59
|
69
|
71
|
52
|
35
|
51
|
51
|
52
|
52
|
53
|
48
|
54
|
55
|
54
|
66
|
|
2025/04
|
52
|
55
|
43
|
68
|
69
|
65
|
69
|
75
|
86
|
78
|
91
|
178
|
92
|
64
|
54
|
56
|
70
|
69
|
80
|
42
|
55
|
50
|
55
|
67
|
60
|
53
|
49
|
55
|
56
|
61
|
|
|
2025/03
|
66
|
57
|
30
|
33
|
61
|
47
|
65
|
85
|
80
|
65
|
96
|
109
|
77
|
42
|
37
|
39
|
40
|
43
|
49
|
54
|
46
|
55
|
62
|
91
|
82
|
73
|
116
|
75
|
104
|
57
|
44
|
|
2025/02
|
41
|
78
|
89
|
71
|
54
|
40
|
55
|
32
|
44
|
66
|
66
|
103
|
56
|
70
|
96
|
85
|
54
|
49
|
58
|
40
|
43
|
64
|
54
|
58
|
85
|
102
|
114
|
103
|
|||
|
2025/01
|
82
|
98
|
78
|
76
|
110
|
84
|
48
|
67
|
37
|
49
|
65
|
75
|
90
|
115
|
59
|
63
|
79
|
100
|
116
|
159
|
170
|
108
|
44
|
36
|
32
|
71
|
48
|
81
|
152
|
80
|
81
|
|
2024/12
|
67
|
88
|
53
|
51
|
88
|
132
|
121
|
35
|
53
|
55
|
61
|
52
|
86
|
55
|
63
|
65
|
100
|
58
|
47
|
67
|
85
|
60
|
62
|
78
|
107
|
104
|
63
|
68
|
72
|
83
|
93
|
|
2024/11
|
32
|
65
|
72
|
58
|
43
|
47
|
40
|
40
|
46
|
45
|
56
|
63
|
71
|
68
|
68
|
38
|
29
|
30
|
27
|
41
|
60
|
75
|
34
|
42
|
30
|
37
|
71
|
61
|
51
|
62
|
|
|
2024/10
|
26
|
33
|
31
|
32
|
29
|
14
|
12
|
29
|
37
|
54
|
64
|
78
|
39
|
40
|
65
|
56
|
34
|
20
|
32
|
38
|
36
|
38
|
42
|
41
|
41
|
33
|
38
|
53
|
43
|
41
|
39
|
|
2024/09
|
46
|
40
|
24
|
37
|
43
|
38
|
37
|
34
|
26
|
33
|
14
|
22
|
35
|
32
|
25
|
21
|
13
|
28
|
21
|
12
|
29
|
30
|
33
|
34
|
39
|
32
|
38
|
32
|
39
|
44
|
|
|
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