Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
121
*
PM2.5
158
PM10
37
O3
1.1
CO
16
SO2
34
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
17 May
71
Good
Sun
18 May
75
Good
Mon
19 May
89
Good
Tue
20 May
89
Good
Wed
21 May
99
Good
Thu
22 May
36
Excellent
Fri
23 May
18
Excellent
Air quality in the last 12 months (Beichuan)
|
2025/02
|
59
|
54
|
50
|
55
|
42
|
41
|
44
|
33
|
53
|
64
|
84
|
71
|
63
|
56
|
57
|
74
|
51
|
51
|
48
|
48
|
40
|
28
|
37
|
23
|
33
|
50
|
68
|
71
|
|||
|
2025/01
|
136
|
120
|
142
|
140
|
104
|
94
|
69
|
66
|
76
|
65
|
55
|
76
|
87
|
78
|
72
|
52
|
80
|
61
|
106
|
135
|
144
|
145
|
170
|
102
|
46
|
81
|
75
|
118
|
180
|
97
|
82
|
|
2024/12
|
106
|
113
|
95
|
66
|
61
|
47
|
43
|
23
|
32
|
46
|
63
|
57
|
53
|
66
|
85
|
107
|
129
|
125
|
87
|
67
|
66
|
56
|
90
|
69
|
79
|
100
|
110
|
95
|
85
|
93
|
112
|
|
2024/11
|
40
|
33
|
35
|
28
|
38
|
42
|
55
|
82
|
42
|
28
|
38
|
24
|
30
|
43
|
37
|
26
|
24
|
12
|
16
|
46
|
45
|
65
|
53
|
31
|
25
|
35
|
51
|
61
|
70
|
96
|
|
|
2024/10
|
27
|
32
|
30
|
24
|
44
|
55
|
66
|
51
|
38
|
37
|
35
|
32
|
36
|
51
|
47
|
52
|
31
|
46
|
22
|
10
|
17
|
33
|
45
|
50
|
43
|
24
|
32
|
51
|
49
|
40
|
36
|
|
2024/09
|
42
|
55
|
44
|
48
|
25
|
34
|
36
|
38
|
35
|
16
|
20
|
25
|
31
|
29
|
20
|
30
|
38
|
48
|
45
|
36
|
21
|
31
|
37
|
51
|
56
|
65
|
85
|
69
|
29
|
19
|
|
|
2024/08
|
51
|
49
|
29
|
16
|
27
|
35
|
24
|
29
|
30
|
48
|
49
|
48
|
53
|
61
|
35
|
31
|
35
|
30
|
46
|
55
|
48
|
55
|
51
|
41
|
47
|
35
|
37
|
39
|
29
|
30
|
41
|
|
2024/07
|
17
|
31
|
18
|
22
|
26
|
44
|
15
|
10
|
13
|
23
|
31
|
38
|
25
|
13
|
14
|
20
|
15
|
18
|
21
|
17
|
17
|
20
|
28
|
26
|
53
|
59
|
38
|
33
|
25
|
38
|
42
|
|
2024/06
|
44
|
24
|
31
|
23
|
32
|
27
|
42
|
30
|
27
|
38
|
41
|
39
|
50
|
42
|
48
|
25
|
17
|
27
|
34
|
26
|
33
|
27
|
42
|
57
|
28
|
33
|
24
|
30
|
53
|
46
|
|
|
2024/05
|
25
|
21
|
16
|
36
|
71
|
87
|
90
|
73
|
81
|
64
|
61
|
73
|
79
|
70
|
70
|
72
|
75
|
89
|
49
|
37
|
41
|
54
|
69
|
79
|
51
|
36
|
33
|
25
|
18
|
32
|
55
|
|
2024/04
|
54
|
58
|
82
|
67
|
35
|
38
|
35
|
63
|
45
|
25
|
38
|
57
|
56
|
61
|
70
|
62
|
52
|
34
|
26
|
68
|
84
|
55
|
41
|
44
|
42
|
65
|
71
|
76
|
40
|
25
|
|
|
2024/03
|
59
|
50
|
72
|
73
|
71
|
69
|
71
|
78
|
65
|
52
|
68
|
59
|
26
|
57
|
56
|
81
|
78
|
52
|
71
|
70
|
75
|
81
|
72
|
37
|
35
|
35
|
34
|
47
|
53
|
49
|
50
|
|
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