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
14 Aug
Sat
15 Aug
Sun
16 Aug
Mon
17 Aug
Tue
18 Aug
Wed
19 Aug
Thu
20 Aug
Real-time AQI (Monitoring Station in Zhangye)
监测站
456
PM2.5
15
PM10
143
O3
0.2
CO
8
SO2
5
NO2
科委
499
PM2.5
16
PM10
155
O3
0.4
CO
8
SO2
2
NO2
Air quality in the last 12 months (Zhangye)
|
2026/07
|
52
|
45
|
53
|
54
|
63
|
45
|
43
|
46
|
49
|
33
|
39
|
40
|
40
|
37
|
40
|
42
|
93
|
38
|
50
|
62
|
41
|
46
|
48
|
58
|
63
|
66
|
63
|
67
|
39
|
30
|
75
|
|
2026/06
|
41
|
52
|
166
|
55
|
102
|
230
|
63
|
51
|
57
|
45
|
46
|
49
|
48
|
49
|
54
|
261
|
95
|
37
|
36
|
36
|
45
|
48
|
46
|
152
|
38
|
40
|
46
|
42
|
47
|
45
|
|
|
2026/05
|
44
|
50
|
44
|
41
|
46
|
77
|
57
|
55
|
100
|
96
|
68
|
66
|
229
|
74
|
58
|
88
|
87
|
62
|
59
|
97
|
95
|
85
|
80
|
62
|
62
|
40
|
43
|
55
|
52
|
51
|
50
|
|
2026/04
|
71
|
196
|
122
|
74
|
52
|
56
|
77
|
86
|
76
|
68
|
75
|
69
|
40
|
44
|
62
|
43
|
40
|
127
|
55
|
70
|
114
|
101
|
117
|
66
|
56
|
60
|
57
|
47
|
54
|
58
|
|
|
2026/03
|
120
|
108
|
112
|
160
|
86
|
74
|
91
|
64
|
62
|
64
|
205
|
433
|
197
|
108
|
98
|
116
|
58
|
253
|
197
|
206
|
123
|
169
|
111
|
87
|
99
|
96
|
41
|
41
|
56
|
88
|
69
|
|
2026/02
|
100
|
84
|
89
|
68
|
134
|
270
|
122
|
91
|
164
|
117
|
103
|
85
|
86
|
70
|
90
|
88
|
121
|
61
|
43
|
89
|
419
|
168
|
91
|
100
|
116
|
88
|
154
|
104
|
|||
|
2026/01
|
64
|
74
|
63
|
50
|
67
|
54
|
66
|
48
|
72
|
60
|
46
|
46
|
171
|
299
|
90
|
90
|
67
|
43
|
50
|
62
|
67
|
69
|
62
|
335
|
422
|
162
|
119
|
116
|
187
|
247
|
134
|
|
2025/12
|
58
|
60
|
52
|
58
|
60
|
62
|
62
|
64
|
91
|
196
|
101
|
75
|
47
|
49
|
73
|
57
|
62
|
65
|
63
|
37
|
41
|
78
|
71
|
51
|
61
|
53
|
41
|
66
|
60
|
69
|
68
|
|
2025/11
|
78
|
71
|
71
|
68
|
81
|
221
|
111
|
224
|
88
|
84
|
86
|
81
|
83
|
86
|
86
|
42
|
41
|
65
|
85
|
83
|
81
|
78
|
178
|
58
|
56
|
218
|
61
|
77
|
81
|
114
|
|
|
2025/10
|
62
|
52
|
86
|
55
|
41
|
50
|
37
|
38
|
32
|
34
|
31
|
29
|
40
|
59
|
61
|
52
|
52
|
81
|
103
|
70
|
78
|
95
|
84
|
81
|
74
|
67
|
73
|
66
|
89
|
75
|
72
|
|
2025/09
|
85
|
135
|
115
|
93
|
60
|
65
|
65
|
59
|
62
|
70
|
69
|
60
|
171
|
78
|
316
|
56
|
63
|
45
|
56
|
56
|
79
|
401
|
60
|
54
|
59
|
60
|
66
|
64
|
50
|
61
|
|
|
2025/08
|
34
|
33
|
46
|
36
|
26
|
30
|
24
|
24
|
30
|
51
|
55
|
59
|
46
|
34
|
38
|
39
|
44
|
31
|
90
|
102
|
24
|
32
|
39
|
28
|
55
|
38
|
26
|
26
|
30
|
38
|
47
|
|
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