Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
Fri
2 May
Sat
3 May
Sun
4 May
Mon
5 May
Tue
6 May
Wed
7 May
Real-time AQI (Monitoring Station in Hechi)
市环保站
1611
PM2.5
14
PM10
48
O3
0.5
CO
9
SO2
11
NO2
市疾控中心
2517
PM2.5
22
PM10
39
O3
0.5
CO
13
SO2
21
NO2
Air quality in the last 12 months (Hechi)
|
2025/02
|
17
|
9
|
20
|
49
|
68
|
23
|
14
|
46
|
59
|
62
|
128
|
102
|
36
|
55
|
18
|
40
|
41
|
24
|
16
|
11
|
12
|
12
|
11
|
24
|
39
|
27
|
30
|
55
|
|||
|
2025/01
|
97
|
85
|
76
|
110
|
77
|
81
|
94
|
72
|
35
|
33
|
48
|
62
|
74
|
87
|
78
|
71
|
72
|
86
|
85
|
84
|
91
|
117
|
152
|
120
|
33
|
13
|
35
|
42
|
120
|
77
|
50
|
|
2024/12
|
70
|
79
|
90
|
90
|
45
|
15
|
8
|
29
|
53
|
46
|
35
|
34
|
43
|
50
|
41
|
56
|
79
|
73
|
68
|
77
|
81
|
91
|
84
|
90
|
88
|
84
|
78
|
56
|
84
|
124
|
113
|
|
2024/11
|
46
|
42
|
54
|
64
|
58
|
55
|
60
|
55
|
53
|
55
|
62
|
66
|
68
|
69
|
62
|
61
|
58
|
24
|
15
|
18
|
18
|
20
|
32
|
49
|
55
|
21
|
30
|
35
|
41
|
55
|
|
|
2024/10
|
12
|
23
|
40
|
46
|
48
|
50
|
52
|
46
|
36
|
43
|
44
|
53
|
74
|
24
|
22
|
31
|
35
|
29
|
26
|
21
|
35
|
28
|
27
|
34
|
33
|
34
|
25
|
34
|
40
|
47
|
51
|
|
2024/09
|
26
|
29
|
29
|
28
|
37
|
37
|
26
|
22
|
23
|
25
|
28
|
34
|
38
|
41
|
36
|
31
|
24
|
28
|
35
|
33
|
27
|
22
|
26
|
42
|
50
|
59
|
44
|
48
|
41
|
35
|
|
|
2024/08
|
17
|
20
|
22
|
26
|
30
|
32
|
33
|
32
|
34
|
29
|
20
|
25
|
20
|
24
|
32
|
34
|
19
|
25
|
35
|
27
|
27
|
22
|
20
|
23
|
30
|
26
|
26
|
35
|
30
|
26
|
36
|
|
2024/07
|
31
|
16
|
16
|
24
|
20
|
17
|
20
|
20
|
25
|
25
|
22
|
22
|
24
|
24
|
28
|
29
|
26
|
24
|
21
|
25
|
37
|
35
|
30
|
24
|
34
|
40
|
29
|
22
|
17
|
16
|
19
|
|
2024/06
|
37
|
41
|
28
|
17
|
26
|
27
|
36
|
35
|
13
|
12
|
20
|
32
|
34
|
14
|
29
|
23
|
24
|
15
|
26
|
29
|
28
|
27
|
27
|
21
|
12
|
12
|
23
|
21
|
21
|
20
|
|
|
2024/05
|
11
|
21
|
18
|
27
|
24
|
31
|
36
|
35
|
29
|
30
|
37
|
20
|
45
|
51
|
54
|
49
|
47
|
31
|
18
|
30
|
22
|
28
|
36
|
43
|
45
|
22
|
29
|
34
|
44
|
25
|
26
|
|
2024/04
|
73
|
71
|
65
|
27
|
17
|
17
|
16
|
20
|
39
|
32
|
33
|
58
|
51
|
56
|
60
|
50
|
44
|
23
|
44
|
27
|
22
|
50
|
29
|
40
|
57
|
32
|
41
|
51
|
71
|
41
|
|
|
2024/03
|
40
|
57
|
81
|
31
|
47
|
28
|
60
|
63
|
49
|
25
|
33
|
50
|
46
|
26
|
18
|
27
|
56
|
41
|
25
|
65
|
87
|
79
|
48
|
52
|
52
|
32
|
56
|
45
|
45
|
56
|
65
|
|
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
*: primary pollution