Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
94
*
PM2.5
145
PM10
81
O3
1.0
CO
18
SO2
28
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
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