AQSQID: 060431001

Site Name: Yosemite Village - Visitor Center

Location: Yosemite National Park (Yosemite Theater), CA

Reporting: True, Located: True

Current AQI: 4.0

Yosemite National Park (Yosemite Theater) CA, US: 37.748707, -119.587094

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 1.0 μg/m3 (4) 4.0
 
Jan. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
Jan. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 23.0 μg/m3 (73) 73.0
 
Jan. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 11.0 μg/m3 (46) 46.0
 
Jan. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 14.0 μg/m3 (54) 54.0
 
Jan. 27, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
Jan. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) N/A 6.0
 
Jan. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 16.0 μg/m3 (59) 59.0
 
Jan. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 27.0 μg/m3 (82) 82.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 43.0 μg/m3 (119) 119.0
 
Jan. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 51.0 μg/m3 (139) 139.0
 
Jan. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 54.0 μg/m3 (146) 146.0
 
Jan. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 68.0 μg/m3 (157) 157.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 93.0 μg/m3 (69) 64.0 μg/m3 (154) 154.0
 
Jan. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 48.0 μg/m3 (131) 131.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (59) 23.0 μg/m3 (73) 73.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 35.0 μg/m3 (99) 99.0
 
Jan. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (78) 34.0 μg/m3 (97) 97.0
 
Jan. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 150.0 μg/m3 (98) 46.0 μg/m3 (126) 126.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (83) 29.0 μg/m3 (86) 86.0
 
Jan. 26, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 27.0 μg/m3 (82) 82.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 3.0 μg/m3 (12) 35.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 1.0 μg/m3 (4) 29.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 3.0 μg/m3 (12) 44.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 4.0 μg/m3 (17) 32.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (68) 8.0 μg/m3 (33) 68.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (49) 30.0 μg/m3 (88) 88.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 14.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 1.0 μg/m3 (4) 18.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 2.0 μg/m3 (8) 54.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 3.0 μg/m3 (12) 27.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.0 μg/m3 (4) 27.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) N/A
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (56) 24.0 μg/m3 (76) 76.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.0 μg/m3 (60) 14.0 μg/m3 (54) 60.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 98.0 μg/m3 (72) 17.0 μg/m3 (61) 72.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 8.0 μg/m3 (33) 56.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 142.0 μg/m3 (94) 11.0 μg/m3 (46) 94.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 98.0 μg/m3 (72) 10.0 μg/m3 (42) 72.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (64) 4.0 μg/m3 (17) 64.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 1.0 μg/m3 (4) 27.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 0.0 μg/m3 (0) 22.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 14.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 7.0 μg/m3 (29) 43.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 4.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 39.0 μg/m3 (109) 109.0