Air Quality
Excellent
No health implications.
3
PM2.5
20
PM10
32
O3
0.5
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Jul
36
Excellent
Fri
4 Jul
31
Excellent
Sat
5 Jul
62
Good
Sun
6 Jul
56
Good
Mon
7 Jul
40
Excellent
Tue
8 Jul
61
Good
Wed
9 Jul
25
Excellent
Beichuan Air quality rank
Air quality in the last 12 months (Beichuan)
|
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
|
|
|
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
|
|
|
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