Air Quality
Excellent
No health implications.
33
PM2.5
50
PM10
53
O3
0.4
CO
9
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Nov
37
Excellent
Thu
20 Nov
35
Excellent
Fri
21 Nov
38
Excellent
Sat
22 Nov
38
Excellent
Sun
23 Nov
36
Excellent
Mon
24 Nov
38
Excellent
Tue
25 Nov
27
Excellent
Beichuan Air quality rank
Air quality in the last 12 months (Beichuan)
|
2025/10
|
13
|
17
|
16
|
15
|
23
|
13
|
17
|
25
|
22
|
24
|
9
|
13
|
24
|
38
|
45
|
38
|
22
|
36
|
27
|
10
|
11
|
10
|
10
|
9
|
20
|
41
|
48
|
50
|
32
|
44
|
56
|
|
2025/09
|
35
|
29
|
43
|
40
|
28
|
43
|
45
|
50
|
38
|
31
|
11
|
12
|
25
|
34
|
40
|
17
|
16
|
8
|
15
|
21
|
9
|
12
|
14
|
33
|
44
|
51
|
23
|
11
|
22
|
33
|
|
|
2025/08
|
41
|
41
|
45
|
39
|
41
|
37
|
20
|
24
|
24
|
15
|
28
|
35
|
28
|
39
|
36
|
22
|
24
|
23
|
33
|
28
|
20
|
17
|
16
|
24
|
20
|
30
|
34
|
21
|
11
|
25
|
30
|
|
2025/07
|
16
|
23
|
18
|
21
|
14
|
24
|
22
|
19
|
22
|
27
|
16
|
33
|
34
|
37
|
44
|
47
|
46
|
29
|
21
|
18
|
18
|
26
|
13
|
14
|
18
|
18
|
29
|
33
|
36
|
28
|
42
|
|
2025/06
|
37
|
33
|
44
|
38
|
43
|
61
|
56
|
43
|
40
|
36
|
29
|
52
|
50
|
50
|
51
|
41
|
51
|
17
|
28
|
33
|
32
|
20
|
26
|
14
|
25
|
34
|
43
|
43
|
27
|
12
|
|
|
2025/05
|
52
|
57
|
59
|
58
|
37
|
47
|
42
|
32
|
212
|
120
|
77
|
62
|
47
|
53
|
53
|
99
|
126
|
138
|
99
|
68
|
70
|
56
|
58
|
58
|
59
|
56
|
24
|
22
|
42
|
24
|
22
|
|
2025/04
|
51
|
71
|
69
|
69
|
57
|
48
|
61
|
64
|
71
|
65
|
48
|
153
|
164
|
93
|
93
|
88
|
72
|
70
|
64
|
62
|
57
|
72
|
71
|
38
|
44
|
30
|
29
|
46
|
30
|
42
|
|
|
2025/03
|
63
|
81
|
59
|
29
|
28
|
39
|
41
|
58
|
36
|
60
|
64
|
96
|
70
|
32
|
39
|
38
|
51
|
61
|
64
|
74
|
67
|
67
|
69
|
62
|
62
|
61
|
169
|
85
|
73
|
46
|
44
|
|
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
|
|
|
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