Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Apr
Sat
20 Apr
Sun
21 Apr
Mon
22 Apr
Tue
23 Apr
Wed
24 Apr
Thu
25 Apr
Real-time AQI (Monitoring Station in Zhangye)
监测站
5524
PM2.5
59 *
PM10
44
O3
0.4
CO
6
SO2
18
NO2
科委
5731
PM2.5
64 *
PM10
56
O3
0.7
CO
14
SO2
16
NO2
Air quality in the last 12 months (Zhangye)
|
2024/02
|
129
|
112
|
73
|
71
|
105
|
65
|
84
|
66
|
95
|
115
|
68
|
54
|
58
|
44
|
48
|
62
|
241
|
166
|
147
|
350
|
190
|
89
|
108
|
173
|
151
|
119
|
124
|
74
|
48
|
||
|
2024/01
|
74
|
61
|
55
|
77
|
58
|
68
|
74
|
95
|
63
|
62
|
62
|
67
|
121
|
115
|
126
|
98
|
86
|
116
|
110
|
67
|
37
|
66
|
55
|
79
|
78
|
54
|
55
|
60
|
69
|
80
|
78
|
|
2023/12
|
79
|
79
|
60
|
59
|
145
|
62
|
75
|
79
|
61
|
52
|
61
|
102
|
78
|
50
|
44
|
45
|
70
|
74
|
82
|
86
|
61
|
70
|
61
|
47
|
66
|
63
|
81
|
94
|
80
|
76
|
77
|
|
2023/11
|
86
|
77
|
58
|
70
|
44
|
39
|
80
|
79
|
67
|
90
|
71
|
96
|
108
|
121
|
83
|
46
|
49
|
50
|
56
|
76
|
85
|
70
|
81
|
101
|
91
|
64
|
68
|
54
|
65
|
65
|
|
|
2023/10
|
57
|
56
|
57
|
43
|
61
|
59
|
45
|
45
|
55
|
61
|
48
|
37
|
38
|
40
|
43
|
51
|
47
|
26
|
31
|
38
|
47
|
58
|
54
|
55
|
71
|
64
|
60
|
66
|
70
|
56
|
67
|
|
2023/09
|
94
|
80
|
57
|
57
|
90
|
196
|
37
|
50
|
49
|
51
|
55
|
49
|
51
|
80
|
57
|
48
|
42
|
44
|
54
|
44
|
52
|
87
|
40
|
36
|
61
|
74
|
58
|
46
|
47
|
48
|
|
|
2023/08
|
67
|
49
|
31
|
36
|
49
|
39
|
41
|
52
|
151
|
55
|
35
|
39
|
42
|
38
|
50
|
188
|
33
|
38
|
45
|
43
|
47
|
52
|
53
|
48
|
40
|
34
|
37
|
53
|
51
|
60
|
142
|
|
2023/07
|
39
|
43
|
48
|
81
|
56
|
50
|
46
|
46
|
58
|
60
|
45
|
30
|
51
|
48
|
41
|
42
|
44
|
43
|
112
|
40
|
39
|
40
|
42
|
47
|
49
|
54
|
55
|
50
|
62
|
85
|
127
|
|
2023/06
|
65
|
58
|
64
|
36
|
46
|
48
|
56
|
38
|
45
|
43
|
60
|
53
|
49
|
55
|
56
|
62
|
238
|
64
|
57
|
85
|
54
|
55
|
48
|
48
|
54
|
48
|
51
|
56
|
62
|
64
|
|
|
2023/05
|
152
|
128
|
86
|
60
|
106
|
181
|
90
|
46
|
49
|
60
|
69
|
50
|
68
|
88
|
74
|
183
|
49
|
55
|
307
|
98
|
87
|
69
|
122
|
51
|
162
|
63
|
55
|
51
|
138
|
105
|
58
|
|
2023/04
|
117
|
81
|
177
|
258
|
97
|
101
|
97
|
88
|
165
|
118
|
107
|
100
|
106
|
100
|
244
|
138
|
68
|
71
|
466
|
116
|
194
|
63
|
33
|
88
|
86
|
94
|
182
|
147
|
56
|
55
|
|
|
2023/03
|
72
|
75
|
63
|
69
|
94
|
72
|
67
|
83
|
136
|
151
|
52
|
52
|
67
|
192
|
147
|
148
|
117
|
127
|
88
|
302
|
305
|
120
|
109
|
328
|
107
|
76
|
74
|
73
|
78
|
92
|
89
|
|
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