Air Quality
Excellent
No health implications.
14
PM2.5
26
PM10
52
O3
0.6
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jun
81
Good
Sat
28 Jun
58
Good
Sun
29 Jun
80
Good
Mon
30 Jun
102
Light
Tue
1 Jul
111
Light
Wed
2 Jul
34
Excellent
Thu
3 Jul
35
Excellent
Air quality in the last 12 months (Tianchang)
|
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
|
|
|
2024/08
|
23
|
22
|
32
|
39
|
35
|
39
|
40
|
36
|
42
|
44
|
66
|
64
|
40
|
28
|
22
|
26
|
30
|
33
|
26
|
11
|
30
|
41
|
41
|
48
|
36
|
39
|
21
|
22
|
23
|
31
|
39
|
|
2024/07
|
21
|
23
|
34
|
20
|
27
|
28
|
27
|
32
|
31
|
44
|
49
|
40
|
19
|
21
|
37
|
46
|
33
|
23
|
25
|
23
|
23
|
30
|
39
|
40
|
25
|
24
|
20
|
23
|
35
|
36
|
27
|
|
2024/06
|
41
|
40
|
56
|
47
|
46
|
34
|
40
|
48
|
54
|
45
|
32
|
49
|
57
|
59
|
48
|
50
|
36
|
40
|
36
|
29
|
34
|
21
|
37
|
49
|
66
|
49
|
27
|
25
|
10
|
22
|
|
|
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