Air Quality
Excellent
No health implications.
14
PM2.5
29
PM10
105
O3
0.4
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Nov
75
Good
Thu
7 Nov
64
Good
Fri
8 Nov
59
Good
Sat
9 Nov
53
Good
Sun
10 Nov
70
Good
Mon
11 Nov
88
Good
Tue
12 Nov
90
Good
Air quality in the last 12 months (Tianchang)
|
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
|
|
2024/04
|
82
|
52
|
28
|
61
|
53
|
61
|
56
|
40
|
56
|
64
|
61
|
52
|
39
|
42
|
38
|
70
|
92
|
71
|
69
|
36
|
34
|
39
|
59
|
71
|
63
|
50
|
40
|
28
|
32
|
50
|
|
|
2024/03
|
57
|
61
|
67
|
61
|
33
|
70
|
72
|
85
|
77
|
85
|
68
|
84
|
55
|
91
|
99
|
75
|
115
|
59
|
78
|
81
|
74
|
66
|
79
|
44
|
23
|
41
|
67
|
51
|
57
|
72
|
89
|
|
2024/02
|
32
|
34
|
42
|
51
|
70
|
76
|
108
|
156
|
151
|
165
|
143
|
84
|
61
|
82
|
61
|
37
|
41
|
41
|
51
|
25
|
28
|
39
|
46
|
70
|
79
|
74
|
56
|
48
|
37
|
||
|
2024/01
|
101
|
79
|
81
|
81
|
113
|
158
|
59
|
49
|
100
|
82
|
94
|
118
|
187
|
157
|
47
|
37
|
40
|
39
|
52
|
79
|
71
|
46
|
36
|
47
|
62
|
81
|
92
|
101
|
129
|
111
|
46
|
|
2023/12
|
53
|
59
|
79
|
111
|
103
|
111
|
97
|
59
|
74
|
59
|
28
|
47
|
54
|
36
|
32
|
50
|
27
|
34
|
63
|
55
|
48
|
37
|
42
|
69
|
86
|
111
|
144
|
148
|
114
|
171
|
199
|
|
2023/11
|
61
|
53
|
72
|
59
|
45
|
45
|
53
|
62
|
70
|
32
|
28
|
53
|
47
|
58
|
80
|
105
|
79
|
49
|
61
|
87
|
95
|
85
|
115
|
45
|
44
|
57
|
73
|
99
|
75
|
41
|
|
|
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