Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
53
O3
0.5
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Feb
46
Excellent
Sat
28 Feb
58
Good
Sun
1 Mar
48
Excellent
Mon
2 Mar
53
Good
Tue
3 Mar
86
Good
Wed
4 Mar
19
Excellent
Thu
5 Mar
44
Excellent
Air quality in the last 12 months (Tianchang)
|
2026/01
|
39
|
47
|
51
|
89
|
149
|
134
|
51
|
74
|
75
|
95
|
60
|
68
|
94
|
104
|
116
|
181
|
96
|
51
|
23
|
40
|
48
|
51
|
71
|
108
|
85
|
22
|
60
|
60
|
50
|
33
|
29
|
|
2025/12
|
93
|
51
|
44
|
55
|
68
|
80
|
92
|
74
|
65
|
64
|
104
|
24
|
44
|
69
|
69
|
74
|
107
|
74
|
98
|
127
|
38
|
38
|
42
|
90
|
58
|
35
|
57
|
77
|
104
|
100
|
26
|
|
2025/11
|
117
|
71
|
35
|
51
|
46
|
47
|
49
|
18
|
49
|
53
|
32
|
52
|
82
|
108
|
96
|
82
|
31
|
42
|
54
|
52
|
103
|
120
|
111
|
99
|
84
|
70
|
234
|
139
|
94
|
88
|
|
|
2025/10
|
35
|
37
|
16
|
28
|
48
|
57
|
33
|
30
|
32
|
45
|
62
|
45
|
19
|
28
|
42
|
19
|
29
|
20
|
27
|
27
|
23
|
28
|
31
|
47
|
46
|
49
|
51
|
48
|
42
|
33
|
38
|
|
2025/09
|
19
|
21
|
32
|
32
|
46
|
49
|
37
|
36
|
16
|
27
|
32
|
30
|
16
|
35
|
25
|
43
|
25
|
19
|
26
|
23
|
30
|
28
|
34
|
16
|
10
|
18
|
26
|
25
|
38
|
31
|
|
|
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
|
|||
|
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