ID: 979

AQSQID: 061070009

Site Name: Sequoia And Kings Canyon - Ash Mountain

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

Updated: June 4, 2020, 4:32 a.m.

Location: Three Rivs (Ash Lane), CA

Reporting: True, Located: True

Current AQI: 54.0

Three Rivs (Ash Lane) CA, US: 36.489399, -118.826897

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 82.0 ppb (64) N/A N/A 13.0 μg/m3 (52) 64.0
 
May 28, 2020, midnight N/A N/A N/A N/A N/A N/A 81.0 ppb (63) N/A N/A 15.0 μg/m3 (56) 63.0
 
May 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 19.0 μg/m3 (65) 65.0
 
May 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 21.0 μg/m3 (69) 69.0
 
May 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 22.0 μg/m3 (71) 71.0
 
May 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 17.0 μg/m3 (61) 61.0
 
May 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (54) N/A N/A 15.0 μg/m3 (56) 56.0
 
May 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 10.0 μg/m3 (42) 52.0
 
May 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 8.0 μg/m3 (33) 48.0
 
May 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
May 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
May 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
May 27, 2020, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
May 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
May 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
May 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.0 μg/m3 (33) 39.0
 
May 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 8.0 μg/m3 (33) 43.0
 
May 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 10.0 μg/m3 (42) 45.0
 
May 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 16.0 μg/m3 (59) 59.0
 
May 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 80.0 ppb (62) N/A N/A 17.0 μg/m3 (61) 62.0
 
May 27, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
May 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) N/A N/A 17.0 μg/m3 (61) 61.0
 
May 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) N/A N/A 11.0 μg/m3 (46) 57.0
 
May 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (53) N/A N/A 12.0 μg/m3 (50) 53.0
 
May 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 10.0 μg/m3 (42) 48.0
 
May 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 16.0 μg/m3 (59) 59.0
 
May 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 6.0 μg/m3 (25) 46.0
 
May 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
May 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
May 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 26, 2020, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.0 μg/m3 (33) 34.0
 
May 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
May 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
May 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.0 μg/m3 (29) 38.0
 
May 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 7.0 μg/m3 (29) 40.0
 
May 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 13.0 μg/m3 (52) 52.0
 
May 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 8.0 μg/m3 (33) 40.0
 
May 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 4.0 μg/m3 (17) 44.0
 
May 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 6.0 μg/m3 (25) 52.0
 
May 26, 2020, midnight N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 4.0 μg/m3 (17) 52.0
 
May 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 1.0 μg/m3 (4) 46.0
 
May 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A -2.0 μg/m3 (0) 45.0
 
May 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 1.0 μg/m3 (4) 42.0
 
May 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
May 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 9.0 μg/m3 (38) 41.0
 
May 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 13.0 μg/m3 (52) 52.0
 
May 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 25, 2020, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
May 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
May 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 16.0 μg/m3 (59) 59.0
 
May 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 7.0 μg/m3 (29) 37.0
 
May 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 8.0 μg/m3 (33) 38.0
 
May 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 10.0 μg/m3 (42) 47.0
 
May 25, 2020, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 13.0 μg/m3 (52) 52.0
 
May 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 11.0 μg/m3 (46) 48.0
 
May 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 11.0 μg/m3 (46) 47.0
 
May 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 10.0 μg/m3 (42) 46.0
 
May 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 15.0 μg/m3 (56) 56.0
 
May 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
May 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
May 24, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
May 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
May 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -3.0 μg/m3 (0) 30.0
 
May 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
May 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
May 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
May 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
May 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 24, 2020, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 2.0 μg/m3 (8) 46.0
 
May 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A -1.0 μg/m3 (0) 46.0
 
May 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
May 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 1.0 μg/m3 (4) 43.0
 
May 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A -1.0 μg/m3 (0) 42.0
 
May 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A -2.0 μg/m3 (0) 41.0
 
May 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
May 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
May 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
May 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
May 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
May 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
May 23, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
May 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -2.0 μg/m3 (0) 26.0
 
May 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -4.0 μg/m3 (0) 26.0
 
May 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -2.0 μg/m3 (0) 26.0
 
May 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 9.0 μg/m3 (38) 39.0
 
May 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
May 23, 2020, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 6.0 μg/m3 (25) 46.0
 
May 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
May 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 8.0 μg/m3 (33) 47.0
 
May 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 8.0 μg/m3 (33) 49.0
 
May 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 7.0 μg/m3 (29) 48.0
 
May 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
May 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
May 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.0 μg/m3 (4) 39.0
 
May 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -2.0 μg/m3 (0) 30.0
 
May 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
May 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
May 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2020, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
May 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
May 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -1.0 μg/m3 (0) 28.0
 
May 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
May 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2020, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 10.0 μg/m3 (42) 45.0
 
May 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 14.0 μg/m3 (54) 54.0
 
May 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 7.0 μg/m3 (29) 37.0
 
May 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
May 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
May 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
May 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
May 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
May 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A -2.0 μg/m3 (0) 14.0
 
May 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A -1.0 μg/m3 (0) 15.0
 
May 21, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
May 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
May 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
May 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.0 μg/m3 (4) 14.0
 
May 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A -1.0 μg/m3 (0) 17.0
 
May 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
May 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0