Air Quality
Excellent
No health implications.
29
PM2.5
49
PM10
125
O3
0.8
CO
15
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jun
115
Light
Sat
7 Jun
89
Good
Sun
8 Jun
70
Good
Mon
9 Jun
74
Good
Tue
10 Jun
79
Good
Wed
11 Jun
102
Light
Thu
12 Jun
20
Excellent
Air quality in the last 12 months (Tianchang)
|
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
|
|
|
2024/05
|
46
|
41
|
46
|
49
|
37
|
46
|
59
|
41
|
44
|
48
|
56
|
111
|
78
|
65
|
62
|
42
|
52
|
58
|
45
|
44
|
36
|
35
|
54
|
58
|
47
|
55
|
26
|
32
|
45
|
35
|
48
|
|
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