Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
60
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Apr
58
Good
Thu
9 Apr
56
Good
Fri
10 Apr
57
Good
Sat
11 Apr
63
Good
Sun
12 Apr
64
Good
Mon
13 Apr
42
Excellent
Tue
14 Apr
36
Excellent
Air quality in the last 12 months (Beichuan)
|
2026/02
|
87
|
85
|
82
|
76
|
101
|
100
|
69
|
57
|
45
|
57
|
66
|
65
|
90
|
97
|
81
|
43
|
78
|
76
|
72
|
65
|
69
|
68
|
73
|
65
|
54
|
52
|
49
|
23
|
|||
|
2026/01
|
62
|
54
|
20
|
54
|
58
|
67
|
86
|
91
|
108
|
119
|
142
|
140
|
162
|
118
|
90
|
95
|
112
|
124
|
42
|
39
|
45
|
58
|
62
|
84
|
81
|
134
|
129
|
117
|
86
|
46
|
79
|
|
2025/12
|
106
|
101
|
55
|
48
|
71
|
77
|
96
|
85
|
103
|
97
|
129
|
67
|
61
|
78
|
82
|
120
|
144
|
164
|
156
|
82
|
55
|
51
|
66
|
66
|
69
|
70
|
97
|
127
|
98
|
121
|
77
|
|
2025/11
|
48
|
45
|
38
|
29
|
25
|
23
|
19
|
50
|
47
|
25
|
38
|
59
|
67
|
51
|
50
|
35
|
38
|
40
|
57
|
80
|
89
|
81
|
78
|
67
|
84
|
89
|
94
|
106
|
107
|
100
|
|
|
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
|
|
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