ID: 2002

AQSQID: 060792007

Site Name: Nipomo Mesa Cdf

Added: April 21, 2020, 6:24 p.m.

Updated: Oct. 16, 2021, 12:09 a.m.

Location: Arroyo Grande (Willow Rd), CA

Reporting: True, Located: True

Current AQI: 37.0

Arroyo Grande (Willow Rd) CA, US: 35.04676, -120.58777

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 6.0 μg/m3 (25) 43.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 11.0 μg/m3 (46) 49.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 10.0 μg/m3 (42) 60.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 193.0 μg/m3 (120) 24.0 μg/m3 (77) 120.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 154.0 μg/m3 (100) 19.0 μg/m3 (66) 100.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (59) 11.0 μg/m3 (46) 59.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) 12.0 μg/m3 (50) 63.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 15.0 μg/m3 (58) 58.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 8.0 μg/m3 (34) 41.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 7.0 μg/m3 (30) 42.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 3.0 μg/m3 (13) 37.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 3.0 μg/m3 (13) 38.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 3.0 μg/m3 (13) 37.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 32.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 3.0 μg/m3 (13) 31.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 7.0 μg/m3 (30) 46.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 5.0 μg/m3 (21) 39.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 8.0 μg/m3 (34) 42.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
Oct. 14, 2021, noon 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 (9) 9.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 13.0
 
Oct. 14, 2021, 10 a.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 (9) 9.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Oct. 14, 2021, 4 a.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 (5) 5.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) 15.0 μg/m3 (58) 58.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 157.0 μg/m3 (102) 39.0 μg/m3 (110) 110.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 169.0 μg/m3 (108) 43.0 μg/m3 (120) 120.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 151.0 μg/m3 (99) 39.0 μg/m3 (110) 110.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 18.0 μg/m3 (64) 64.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 9.0 μg/m3 (38) 56.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) 6.0 μg/m3 (25) 54.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (67) 9.0 μg/m3 (38) 67.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 111.0 μg/m3 (79) 16.0 μg/m3 (60) 79.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 8.0 μg/m3 (34) 58.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 8.0 μg/m3 (34) 42.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 9.0 μg/m3 (38) 45.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 14.0 μg/m3 (55) 55.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (74) 22.0 μg/m3 (72) 74.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 122.0 μg/m3 (85) 27.0 μg/m3 (83) 85.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 262.0 μg/m3 (155) 64.0 μg/m3 (156) 156.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 267.0 μg/m3 (157) 62.0 μg/m3 (155) 157.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 149.0 μg/m3 (98) 35.0 μg/m3 (100) 100.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) 20.0 μg/m3 (68) 68.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 10.0 μg/m3 (42) 48.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) 10.0 μg/m3 (42) 54.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) 16.0 μg/m3 (60) 60.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Oct. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
Oct. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Oct. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Oct. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
Oct. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 10.0 μg/m3 (42) 47.0
 
Oct. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
Oct. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 9.0 μg/m3 (38) 49.0
 
Oct. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) 23.0 μg/m3 (74) 74.0
 
Oct. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 109.0 μg/m3 (78) 29.0 μg/m3 (87) 87.0
 
Oct. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 168.0 μg/m3 (108) 33.0 μg/m3 (95) 108.0
 
Oct. 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 158.0 μg/m3 (103) 31.0 μg/m3 (91) 103.0
 
Oct. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 302.0 μg/m3 (175) 66.0 μg/m3 (157) 175.0
 
Oct. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 341.0 μg/m3 (194) 74.0 μg/m3 (161) 194.0
 
Oct. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 311.0 μg/m3 (179) 62.0 μg/m3 (155) 179.0
 
Oct. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 491.0 μg/m3 (384) 105.0 μg/m3 (177) 384.0
 
Oct. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 331.0 μg/m3 (189) 67.0 μg/m3 (157) 189.0
 
Oct. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) 19.0 μg/m3 (66) 66.0
 
Oct. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 15.0 μg/m3 (58) 58.0
 
Oct. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 15.0 μg/m3 (58) 58.0
 
Oct. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
Oct. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 6.0 μg/m3 (25) 47.0
 
Oct. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Oct. 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Oct. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Oct. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 10.0 μg/m3 (42) 42.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 14.0 μg/m3 (55) 55.0
 
Oct. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 14.0 μg/m3 (55) 55.0
 
Oct. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Oct. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Oct. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 8.0 μg/m3 (34) 35.0
 
Oct. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Oct. 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (64) 15.0 μg/m3 (58) 64.0
 
Oct. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 147.0 μg/m3 (97) 33.0 μg/m3 (95) 97.0
 
Oct. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 108.0 μg/m3 (78) 19.0 μg/m3 (66) 78.0
 
Oct. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 131.0 μg/m3 (89) 32.0 μg/m3 (93) 93.0
 
Oct. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (63) 16.0 μg/m3 (60) 63.0
 
Oct. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Oct. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Oct. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Oct. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Oct. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 8.0 μg/m3 (34) 45.0
 
Oct. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
Oct. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Oct. 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Oct. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
Oct. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
Oct. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
Oct. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
Oct. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 22.0
 
Oct. 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Oct. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 153.0 μg/m3 (100) 31.0 μg/m3 (91) 100.0
 
Oct. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 339.0 μg/m3 (193) 74.0 μg/m3 (161) 193.0
 
Oct. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 171.0 μg/m3 (109) 35.0 μg/m3 (100) 109.0
 
Oct. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 121.0 μg/m3 (84) 27.0 μg/m3 (83) 84.0
 
Oct. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Oct. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Oct. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
Oct. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
Oct. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
Oct. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
Oct. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Oct. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Oct. 9, 2021, 8 a.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 (13) 14.0
 
Oct. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
Oct. 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
Oct. 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
Oct. 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
Oct. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Oct. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Oct. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
Oct. 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 129.0 μg/m3 (88) 23.0 μg/m3 (74) 88.0
 
Oct. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 176.0 μg/m3 (112) 38.0 μg/m3 (108) 112.0