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
28 Mar
Sun
29 Mar
Mon
30 Mar
Tue
31 Mar
Wed
1 Apr
Thu
2 Apr
Fri
3 Apr
Real-time AQI (Monitoring Station in Hechi)
市环保站
193
PM2.5
19
PM10
27
O3
0.5
CO
5
SO2
3
NO2
上任中路54号
227
PM2.5
22
PM10
21
O3
0.7
CO
5
SO2
7
NO2
Air quality in the last 12 months (Hechi)
|
2026/02
|
29
|
46
|
59
|
104
|
159
|
99
|
30
|
15
|
20
|
15
|
26
|
29
|
17
|
34
|
52
|
38
|
19
|
26
|
17
|
42
|
84
|
108
|
98
|
45
|
36
|
55
|
35
|
41
|
|||
|
2026/01
|
13
|
16
|
34
|
28
|
18
|
27
|
41
|
47
|
58
|
78
|
64
|
85
|
92
|
101
|
106
|
114
|
103
|
80
|
70
|
29
|
11
|
24
|
39
|
55
|
53
|
29
|
28
|
38
|
70
|
28
|
15
|
|
2025/12
|
75
|
74
|
57
|
67
|
58
|
64
|
73
|
55
|
64
|
84
|
91
|
76
|
20
|
38
|
49
|
60
|
62
|
52
|
60
|
60
|
38
|
54
|
58
|
17
|
32
|
48
|
56
|
58
|
77
|
75
|
75
|
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
2025/08
|
18
|
29
|
29
|
37
|
26
|
20
|
20
|
27
|
25
|
24
|
24
|
30
|
26
|
28
|
11
|
16
|
21
|
18
|
12
|
14
|
22
|
21
|
25
|
26
|
25
|
22
|
23
|
22
|
24
|
23
|
23
|
|
2025/07
|
20
|
20
|
21
|
24
|
25
|
31
|
32
|
35
|
34
|
24
|
22
|
25
|
26
|
18
|
22
|
28
|
27
|
32
|
23
|
26
|
17
|
12
|
12
|
20
|
21
|
18
|
23
|
30
|
29
|
29
|
24
|
|
2025/06
|
29
|
16
|
14
|
27
|
43
|
34
|
30
|
26
|
26
|
27
|
28
|
29
|
24
|
22
|
26
|
19
|
18
|
18
|
15
|
15
|
17
|
18
|
25
|
27
|
24
|
27
|
21
|
19
|
23
|
20
|
|
|
2025/05
|
28
|
47
|
51
|
26
|
27
|
24
|
22
|
45
|
21
|
28
|
20
|
34
|
45
|
41
|
26
|
16
|
22
|
20
|
22
|
24
|
25
|
30
|
20
|
41
|
35
|
25
|
38
|
37
|
9
|
28
|
30
|
|
2025/04
|
37
|
51
|
62
|
55
|
65
|
79
|
101
|
107
|
112
|
106
|
65
|
45
|
171
|
122
|
91
|
86
|
77
|
66
|
49
|
46
|
41
|
41
|
17
|
21
|
22
|
29
|
44
|
34
|
47
|
38
|
|
|
2025/03
|
47
|
48
|
78
|
33
|
19
|
15
|
28
|
40
|
62
|
32
|
40
|
47
|
29
|
23
|
13
|
22
|
41
|
21
|
34
|
47
|
52
|
69
|
78
|
76
|
88
|
82
|
73
|
69
|
16
|
12
|
27
|
|
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